Hitachi HUS154530VLF400 manuale d’uso

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification Hard Disk Drive Specification Ultrastar 15K450 3.5 inch 4Gb FC-AL Hard Disk Drive Models: HUS154545VLF400 HUS154530VLF400 V ersion 1.2 29 October 2008 W arning: Printed copies of th is document are considered current only on th e date of print. Re placement and disposal of down-level v[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive S pecification 3rd Edition (Rev . 1.2) (2 9 October 20 08) The following paragraph does not apply to the United Kingdom or any country wher e s uch provisions ar e inconsistent with local law: HIT ACHI GLOB AL STORAGE TECH NOLOGIES PROVIDES THIS PUBLICA TION "AS IS" WITHOUT W ARRANTY OF ANY[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification T able of Contents 1.0 General .................................................................................................................... ........1 1.1 Introduction ...............................................................................................................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 8.2.1 Packaging ..........................................................................................................26 8.2.2 Storage time ......................................................................................................26 8.3 Corrosion test ..................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 17.1 Fundamentals ...........................................................................................................53 17.1.1 Node and Port names ......................................................................................54 17.1.2 NL_Port address ...................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 18.4.5 Target Reset ....................................................................................................112 18.4.6 Clear Task Set .................................................................................................112 18.4.7 Reset LUN ......................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 19.10.12 Mode Page 19h (Fibre Cha nnel Port Control Page) ................................... 190 19.10.13 Mode Page 1A (Power Control) .................................................................192 19.10.14 Mode Page 1C (Informational Exceptions Control) ........................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 19.28 RELEASE (17) ......................................................................................................246 19.29 RELEASE (57) ......................................................................................................247 19.30 REPORT DEVICE IDEN TIFIER (A3/[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 19.62 WRITE SAME (16) - (93) .....................................................................................303 19.63 WRITE SAME (32) - (7F/0D) ............................................................................... 304 20.0 SCSI Status Byte ..............................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 21.18.1 Power on Diagnostics ................................................................................... 333 21.18.2 Self-test via SEND DIAGNOSTIC Command .............................................334 21.19 Idle Time F unction ................................................[...]

Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive S pecification List of T ables Table 1.Product ID table ............................................................................................1 Table 2.Formatted Capacity ....................................................................................... 7 Table 3.Data Sheet ...............[...]

Hitachi Ultrastar 15K300 (FC-AL) Ha rd Disk Drive Specification Table 45.ADISC payload ........................................................................................... 77 Table 46.ADISC ACC payload ................................................................................. 78 Table 47.PRLI payload ..................................[...]

Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive S pecification Table 91.FCP_RSP_INFO field ................................................................................109 Table 92.RSP_CODE definitions .............................................................................. 109 Table 93.Task Management function RSP_CODE definitions ......[...]

Hitachi Ultrastar 15K300 (FC-AL) Ha rd Disk Drive Specification Table 137.Mode paramete r header (6) .......................................................................168 Table 138.Mode paramete r header (10) .....................................................................169 Table 139.Mode Parameter Block Descriptor .....................[...]

Hitachi Ultrastar 15K300 (FC-AL) Hard Disk Drive S pecification Table 183.READ DEFECT DATA (37) ....................................................................226 Table 184.Defect List Format .................................................................................... 227 Table 185.Defect List Header ...................................[...]

Hitachi Ultrastar 15K300 (FC-AL) Ha rd Disk Drive Specification Table 229.VERIFY (2F) ............................................................................................273 Table 230.Verify (12) - (AF) .....................................................................................276 Table 231.Verify (16) - (8F) .....................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 1 1.0 General 1.1 Intr oduction This document describes the specifications of the following Hit achi 3.5 inch FC-AL drives. T able 1 : Product ID tabl e Note: The specifications in this document are subject to change without notice. For technical and ordering informat ion , pl ease vis[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 2[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 3 2.0 Outline of the Drive • Storage capacities of 450 GB, 300 GB • Dual 4.250/2.1250/1.062 5 Gb/s Fibre Channel Arbitrated Loop-2 host interfaces • Supports dual-ported operat ions • Supports full duplex op erations • Login BB_Credit=0 • Enclosure Service Interface (ESI, S[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 4[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 5 3.0 Fixed-disk Subsystem Description 3.1 Contr ol Electr onics The drive is electronically controlled by a microprocessor , lo gic modules, digital/analog mo dules and various drivers and receivers. The control electronics pe rform the followin g major functions: • Perform self-che[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 6[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 7 4.0 Drive Characteristics 4.1 Formatted Capacity T able 2 : Formatt ed Capacity 4.2 Data Sheet T able 3: Data Sheet Description HUS154545VLF400 HUS154530V LF400 Label capacity 450 GB 300 GB Number of heads 8 8 Number of disks 4 4 T otal data bytes (512 bytes/sector) 450,098,159,6 16 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 8 4.3 Inquiry Information 4.3.1 Product ID Product ID in Section 19.5.1. 1, “Inquiry Data Format - EVPD = 0, Page Code = 0” on page 126, is as follows: T able 4: Product ID in Inq ui ry Command 4.3.2 W orld Wide ID - Block Assignment Block Assignment of W orld W ide ID is as follow[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 9 4.4 Cylinder allocation T able 6: Cylinder allocation Z o n e S ect o rs /T ra ck s C y li n d er/Z o n e St a r t Cyl i n d e r En d C y lin d er 0 1416 3600 0 3599 1 1404 3700 3600 7299 2 1395 700 7300 7999 3 1350 26500 8000 34499 4 1296 3900 34500 38399 5 1282 3300 38400 41699 6 1[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 10 Note: V alues shown are nominal. Actual values will vary based on manufactu ring optimization. Mode Page 03 (Format Device Parameters), page 180 and Mode Page 0C (Notch Pa rameters), page 188 provid e methods to determine actual medium format and zone parameters for specific drives.[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 11 4.5.1 Mechanical positioning 4.5.1.1 A verage seek time (including settling) T able 7: Mechanical positioning performance “T ypical” and “Max” are used throughout th is document and are defi ned as follows: Ty p i c a l A verage of the drive population tested at nominal envi[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 12 4.5.1.2 Full stroke seek time Full stroke seek is measured as the averag e of 1,000 full stroke seeks with a random head switch from both directions (inward and outward). 4.5.1.3 A verage latency T able 8: Latency time Model Command T ypical (ms) Max 450 GB Read 6.2 1 1.1 W rite 7.1[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 13 4.5.2 Drive ready time T able 9: Drive ready time 4.5.3 Spindle stop time T able 10: Spindle stop tim e The period from power off to the complete stop of the rotating spindle is categorized as 'opera ting'. The Operating shock crite - ria apply during this period. Refer to[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 14[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 15 5.0 Data Integrity The drive retains recorded informat ion under all non-writ e operat ions. No more than one sector can be lost by power down during a write operation while write cache is disabled. If power down occurs before completion of a data transfer from write cac he to disk [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 16[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 17 6.0 Physical Format Media defects are remapped to the next av ailable sector during the Format Process in manufacturing. The m apping from Log- ical Block Address (LBA) to the physical Block locat ion s is calculated using internally maintained tables. 6.1 Shipped Format (P-List) ?[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 18[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 19 7.0 Electrical Interface 7.1 FC-AL Connector The drive conforms to SFF specifications 8045, 80 67 and 8451. The SFF 8 045/8067 documents defines the electrical specifi- cation and SFF-8451 defines the mechanical specification. The only difference between SFF-8045 and SFF-8067 is the[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 20 Note: The guide pins are connected to 5V ground. * Definition changes for SFF-806 7 7.1.2 V oltage and Gr ound Signals The 12 V and 5 V contacts provide all of the voltages required b y the drive. The two voltages share a common groun d plane to which all of the ground contacts are [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 21 7.1.5 S tart Mated Controls The Start_X Mated signals are TTL inputs to the drive and have 10K ohm pull-up resist ors. As per the SFF-8045 specification, the 'Start_x Mated' function is implemented as in the followi ng table. Please refer to SFF- 8045 for a more complete d[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 22 Note: All values are in hex format. An AL_P A value of 0x 00 is not valid for an NL_Port. A SEL_ID of 0x7F forces the drive to obtain a soft address. 7.1.6.3 P_ESI_n Function The SEL_N (TTL compatible) I/O's (defined when -Parallel ESI is asserted) provide an inte rface between[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 23 T able 15: SEL_N/P_ES I_ N Signal Definitio n Note: * level of backplane support as established in 'discovery' ** the direction is determined by the state of DSK_RD and DSK_WR all signals are assumed valid 1 usec after -Parallel ESI changes state 7.1.6.4 SFF-8045 Enclosure[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 24 decode of the value o n the DEV_CTRL_CODE signals. The Hard Reset function uses a sequence of values on the DEV_CT RL_CODE sign als. The sequence is 5, 1, 3, 2, 3, 1, 5. A drive detecting a valid Hard Reset sequence shal l perform the equivalent of a power-on-reset. 10 Kohm pull up [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 25 8.0 Envir onment 8.1 T emperature and humidity T able 17: Operating and non-operating conditions Operating conditions Ambient T emperat ure 5°C to 5 5ºC Relative humidity 5 to 90%, no n-condensing Maximum wet bulb temperat ure 29.4ºC, non-condensin g Maximum surface temperat ure [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 26 8.2 S torage r equir ements 8.2.1 Packaging The drive or option kit must be heat-sealed in a moisture barrier bag with desiccant inside the bag supplie d by Hitachi Global Storage T echnologies. 8.2.2 S torage time Cumulative storage time in the package must not exceed one year . If[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 27 8.4 Cooling r e quir ements Drive component surface temperatures must re main within the limits specified in the following table. The drive may require forced air cooling to meet sp ecified operating te mperatures. T able 18: Maximum allowa ble surface temperatur es Module name Loca[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 28[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 29 9.0 DC Power Requir ements The following voltage specificati on applies at the dri ve power connector . Connections to the drive should be made in a safety extra low voltage (SEL V) circu it. There is no power on or power off sequencing requirement. Adequate secondary over-current p[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 30 9.1 Power Supply Curr ent, A verage and Peak The following current and po wer requirements are typical when operating under the following conditions: Nominal 5 and 12V , Background Media Scan (BMS) disabled for Idle, W rite Cach ing di sab led and the drive reporting a temperature o[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 31 M o de l F C 4 G b/ s 3 0 0 G B C ur r e nt C ur r e nt P o w e r No te I O / S e c +5 V +1 2 V W a tts S t ar t P e a k P o we r DC --- 1 .9 2 --- S ta r t P e a k P o w e r A C 1. 12 2. 44 Idl e 0. 83 0. 71 12. 7 A v e r a g e I dl e R ipple 0 .2 5 0. 19 --- P e a k t o P ea k R a[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 32 9.2 Ripple V oltage T able 20: Power Supply Generated Ripple at Drive Power Connector During drive start up an d seek, 12 volt ripple is generated by t h e drive (referred to as dynamic loading). If the power of sev eral drives is daisy chained, the power suppl y ripple plus other d[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 33 10.0 Reliability 10.1 S tart/S top Cycles The drive is designed to withstand a min imum of 50,000 start/stop cycles at ambient environment. The drive is designed to withstand a minimum of 10,00 0 start/ stop cycles at the operating envi ronment condit ion s specified in “Environme[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 34 The drive temperature is reported in Log Sense page 2F . Refer to Section 19.7.12, “Log Sense Page 2F” on page 159.[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 35 1 1.0 Mechanical Specifications 1 1.1 Outline 1 1.2 Mechanical Dimensions The drive complies with SFF-8301. T able 2 2: Physical Dimensions Height [mm] 25.8 ± 0.3 W idth [mm] 101.6 ± 0.25 Length [mm] 146.2 ± 0.8 W eight [gram s - maximum] 450 GB Model 750 grams 300 GB Model 750 g[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 36 146. 2 ±0 . 8 101. 6 ±0. 25 FR O N T LE F T 25. 8 ±0. 3[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 37 1 1.3 Interface Connector Pi n 2 1 Pi n 1 4. 6 ±0. 5[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 38 1 1.4 Mounting Positions and T appings 41. 28 ±0. 2 (2 x ) 44. 45 ±0. 2 (2 x ) 95. 25 ±0. 2 (2 x ) 3. 18 ±0. 25 (2 X ) 1 R EAR 1 M AX A L L O W A B L E P E NE T RA T I O N O F NO T E D S CRE W TO B E 4 . 0 m m ( 4 X ) 6 - 3 2 UNC RE CO M M E NDE D T O RQ UE 0 . 6 - 1 . 0 Nm[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 39 28. 6 ±0. 2 (2 x ) 4 1 .6 ± 0 .2 (2 x ) 60 ± 0. 2 (2 x ) 6. 35 (6 x )[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 40 1 1.5 Drive Mounting The drive will operate in all ax es (6 directions). Performance and error rate will stay within specification limi ts if th e driv e is operated in the other orientations from which it was formatted . The recommended mounting screw torque is 0.6 - 1.0 Nm (6 - 10[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 41 12.0 V ibration and Shock All vibration and shock meas urements in this section are made with a bare dr ive. The input for the measurements are applied to the normal drive mounting po int s un less no ted otherwise. 12.1 Operating V ibration 12.1.1 Random V ibration The drive is des[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 42 October 29, 2008 2:44 pm 12.4 Non-operating shock The drive will no t sust ai n perman ent damage or loss of recorded data after be ing subjected to the environ men ts as described below . 12.4.1 Half sinewave shock pulse 80 G , 1 1 ms duration, half sinewave pulse 250 G , 2 ms durat[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 43 13.0 Acoustics 13.1 Sound power levels The upper limit criteri a of A-weighted sound power levels are gi ven in Bel, relative to one pico watt, and are shown in the following table. The measurement met hod is in accordance with ISO-7779. T able 23: A-weighted sound power levels Back[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 44[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 45 14.0 Identification 14.1 Labels The following labels are affixed to ever y hard disk drive shipped from the driv e manufacturing location in accordance with appropriate hard disk drive assembly drawing: • A label containing Hitachi Global St orage T echnologies logo , Hitachi part[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 46[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 47 15.0 Electr omagnetic Compatibility The drive, when installed in a suitable en closure and exercised with a random accessing r outine at a maximum data rate will comply with the wo rldwide EMC requiremen ts listed below . The drive is designed for system integratio n and installatio[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 48 15.1 Class A Regulatory Notices European Union This product is in conformity with the prot ection requireme nts of EU Council Directi ve 89/336/EEC, as amended by Council Directive 93/68/EEC on the approximation of the laws of the Member States relating to electromagnetic co mpatibi[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 49 Korea (MIC) Ta i w a n ( B S M I )[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 50[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 51 16.0 S tandards The following shows the safety standards for different countries. 16.1 UL and C-UL S tandard Conformity The drive is qualified per U LIEC 60950-1: 2001, First Edition for use in Inform ation T echnolog y Equipment, including Elec- tric Business Equipment. The UL reco[...]

Hitachi Ultr astar 15K450 (FC-AL) Ha rd Disk Drive Specif ication 52[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 53 17.0 FC-AL attachment This section defines som e basic terminology and describ es the be havior of the drive when att ached to a Fibre Channel Arbi- trated Loop. 17.1 Fundamentals This section introduces some of the terminology that is used in describing Fibre Channel and FC-AL. Fib[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 54 In addition, the Drive implemen ts FC-FLA as a super -set of the FC-PLDA. T hus, the Drive conforms to FC-PLDA except for those behaviors explicitly defined by the FC-FLA pro file. The PLDA makes the following additi onal requirements. 1. The FC-4 is SCSI-FCP . 2. The Drive provides [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 55 17.1.3 Primitive signals and sequences The fundamental unit of transfer on a Fi br e Channel link is the 8b/10b encode d T ransmission Character . Only 256 characters are required to rep resent a byte of data so the set of valid transmission characters is sub-divi ded into Data Char[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 56 •L P E f x Loop Port Enable all • LIP(F7,F7) Loop Initialization, no valid AL_P A • LIP(F8,F7) Loop Initialization, loop failure, no val id AL_P A • LIP(F7,AL_PS) Loop Initialization, valid AL_P A • LIP(F8,AL_PS) Loop Initialization, loop failure, valid AL_P A • LIP(AL_PD[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 57 17.1.6 Exchanges An Exchange is a set of one or more related non-concurrent se quences that may flow in the same or opposite directions. The exchange is identified by an Originat or Exchange Identifier (OX_ID) and a Resp onder Exchange Identif ier (RX_ID) in the frame header . 17.2 [...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 58 17.2.2 Basic accept (BA_ACC) BA_ACC indicates that a Basic Link Servi ce Request has been completed. The drive only sends a BA_ACC in response to an ABTS Basic Link Service. T able 29: BA_ACC Payload • SEQ_ID V alidity specifies whether the SEQ_ID fiel d in the BA_AC C payload is v[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 59 17.2.3 Basic r eject (BA_RJT) BA_RJT indicates that a Basic Link Service Request has been rej ected. The payload contains a four byte reason code to indi - cate why the request was rejected. T able 30: BA_RJT Payload T able 31: BA_RJT Reason Codes T able 32: BA_ RJT Reason Code Expl[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 60 17.3 Extended Link Services For Extended Link Service frames, the Header TYPE field is set to 01h (Extended Link Service). R_CTL is either 22h (Extended Link Data, Unsolicited Control) for a Request, or 23 h (Exten ded Link Data, Solicited Contro l) for a Reply . The first byte of th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 61 SCSI requirements. T able 3 5: Extended L ink Serv ice request 1 1h qualifiers If a Loop Initialization frame is received when the Port is not performing a Loop Ini tialization Procedure, it w ill be responde d to by an LS_RJT containing a reason co de of “Command not supported”[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 62 17.3.2 Link Serv ice Reject (LS_RJT) LS_RJT indicates that the Extended Link Service request has been rejected. The pa yload (shown in T able 36) contains a Rea- son Code and a Reason Explanation. T able 36: LS_RJT payload T able 37: LS_RJT reason codes Byte Item Size (Bytes) 0 3 010[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 63 T able 38: LS_RJT reas on code explanations 17.3.3 Port Login (PLOGI) PLOGI is used by the Init iator to register Servi ce Parameters with the T arget if Implicit Login is not being used (see 19.10.12 , “Mode Page 19h (Fibre Channel Port Contro l Pag e)” on page 190). The T arge[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 64 T able 39: PLOGI_REQ/ PLOGI_ACC payload Byte Item Size (Bytes) 0-3 Request = 0300 0000h; A ccept = 0200 0000h 4 4 - 19 Common Service Parameters 16 20 - 27 Port Name 8 28 - 35 No de Name 8 36 - 51 Class 1 Service Parameters 16 52 - 67 Class 2 Service Parameters 16 68 - 83 Class 3 Ser[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 65 17.3.3.1 Common Service Parameters The Common Service Parameters apply to all classes of service and are exchanged during Login. Th e table belo w defines the applicability , by class as well as by PLOGI, FLOGI, PLOGI LS_ACC and FLOGI LS_ACC, of the Common Service Param e- ters to N[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 66 T able 41: Common Service Paramet er applicability (part 2 of 2) "y" indicates yes, appli cable (i.e. has meaning) "n" indicates no, not applicable (i.e. has no meaning) * The Class 1 Service Parameters shall be used for Cl ass 6. Each has the same applicability a[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 67 not one, the driv e will respond with an LS_RJT contai ni ng a reason cod e of 03h “Logical erro r”, an d a reason code explanation of 0Fh “Invalid Common Service Parame ters”. The dri ve retu rns a 1b in th is field. • RRO - Random Relative Offset When set to one, this fl[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 68 The E_D_T OV field specifies the E_D_TOV (Error Detect T imeout V alue) in units of 1ns or 1ms. If the E_ D_TOV Resolu- tion bit is set to one, this field specifies E_D_TOV as a count of 1ns increments, ot herwise it specifies E_D_T OV as a count of 1ms increments. It is only applica[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 69 • IM - Intermix Mode The flag only applies to class 1 serv ice and is reserved for classes 2 and 3. The drive returns 0b in this field. • TM - T ranspar ent Mode The flag do es not apply to PLOG I. The drive returns 0b in this field. • LDM - Lock Down Mode This flag does not a[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 70 • DCC - Data comp ression capable When set to one, this flag indicat es th e Port supports da ta compression as a Sequence Initiat or . The drive does no t support data comp ression, therefore th e drive returns 0b in this fi eld. • DCH BS - Data comp ressi on History buffer size[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 71 The Open Sequences per Exchange field indicates the maximum number of Sequences per Exchange that can be open at the recipient at one time. The value sent must be > 0, or the drive will respond with an LS_RJT containing reason code of 03h “Logical error” and a reason code exp[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 72 17.3.5 Fabric Login (FLOGI) FLOGI is used by the drive to register its Service Parameters with the Fabric assumi ng the drive exists on a Public Loop (i.e. the loop contains an FL_ Port). Once the drive has completed FLOGI, it is then pe rmitted to use the local FL_Port as a gateway [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 73 17.3.5.1 Common Service Parameters The Common Service Parameters ap ply to all classes of service and are exchanged during Login. T able 47: Common Service Parameters (FLOGI_REQ/FLOGI_ACC) The upper byte of the FC -PH V ersion field ind icates the highest version of FC-PH that is su[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 74 • ABCM - Alternate BB-Credit model When set to one, this flag indicates that the Port supp orts the Altern ate BB-Credit model. As per the FC-AL Specifi- cation, an L_Port and must support the Altern ate BB -Cre dit model. The drive checks the value returned by the FL_Port and will[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 75 17.3.5.2 Class Service Parameters Since the drive only supports class 3 se rvice, it only checks and responds to the class 3 Service Parameters. T able 48: Class Service Parameters The Service Options field contains the following flags: • CV - Class V alidity When set to one, this[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 76 • SD - Sequential Delivery The drive sets this field to 1b to request that the fabric deliver all frames in the same ord er they were transmitted. The fabric sets this flag to 1b if i t can honor this request. Since the drive does not support out of order frame delivery , the drive[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 77 The Command Code must be equal to 60000000h or the drive will ignore the request. The Loop Fabric Address is the 3 byte Port_ID of the local FL_Port. The Fabric Port Name is the world-wide-unique 8-byte Port_Name of the local FL_Port. The Fabric Name is the world-wide-unique 8-byte [...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 78 T able 51: ADISC ACC payload Hard Address: This 3 byte identifier consists of: • The MSB is an 8-bit domain address. If the drive is actin g as a Public Loop Device, it returns the domain address given to it by the Fabric port during lo gin. Otherwise the d rive returns 0s in this [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 79 T able 53: PRLI ACC payl oad 17.3.9.1 Process Login Se rvice Parameter page T able 54: Login Service Parameter page The TYPE code field for SCSI-F CP is 08h, and the TYPE Code Extension field is 00 h. The Flags field is as follows: • Bit 15 - Originator Process Associator V alid W[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 80 • Bit 4 - T arget Function When set to one, this fl ag in dicates that the process defined by this page is operating as a SCSI T arget. • Bit 3 - Command/Data Mixed A llowed When set to one, this flag indicat es th at FC P_CMND and FCP_DA T A may be combined in one IU. • Bit 2 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 81 17.3.9.2 Process Login Respon se Service Parameter page T able 55: Login Response Service Parameter page The TYPE Code field for SCSI-FCP is 08h, and the TYPE Code Extension field is 00h. The Flags field is as follows: • Bit 15 - Originator Process Associator V alid Since the driv[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 82 • Bit 1 - Read XFER_RDY Disabled The drive returns 1b in this fiel d. • Bit 0 - Write XFER_RDY Disabled The drive returns 0b in this fiel d. T able 56: PRLI/PRLO ACC response codes 17.3.10 Pr oces s Logout (PRLO) The PRLO request indicates to the responde r that those process ima[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 83 T able 58: P RLO ACC paylo ad 17.3.10.1 Process Logout Service Parameter page T able 59: Logout Serv ice Parameter page The TYPE Code field for SCSI-FCP is 08h, and the TYPE Code Extension field is 00h. The Flags field is as follows: • Bit 15 - Originator Process Associator V alid[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 84 17.3.10.2 Process Logout Respon se Service Parameter page T able 60: Logout Respo nse Service Parameter page The TYPE Code field for SCSI-FCP is 08h, and the TYPE Code Extension field is 00h. The Flags field is as follows: • Bit 15 - Originator Process Associator V alid The drive r[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 85 T able 6 1: RLS pa yload T able 62: RLS ACC payload T able 63: Link Error S tatus block The Drive's Link Error Status block is defined as follows: Link Failure Count: This is a count of the number of times that the port 's recei ver lo ses synchronization for a continuous [...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 86 a node supports. RNC can also be used to specify which document(s) define the operating param eters between two nodes, as well as specify any additional param eters no t specified during N_Port Logi n. T able 6 4: RNC/AC C payload Payload Length is a two b yte unsigned integer that s[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 87 17.3.12.1 Capability Entry(s) Capability Entry(s) are used to specify st andards and pro files, with which a node is compliant or supports. Nodes may also use capability entries to exchange vendor uniq ue parameters or i nformation. T able 65: RNC Capability En try The Flags field i[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 88 • 1 0 • 1 1 W orst The Preference field is ignored. The Document Identifier field specifies which Profile or S tandard is associ ated with each Capability Entry . V alid Document Identifiers are listed in T able 66. If the V endor Unique Flag is set to a value other than 00h, t h[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 89 The Extensi o n field is used to specify any additional bit flag, parameters, or other information defined by the document asso- ciated with the Capability Entry . The driv e does not currently make use of Extension field, therefore all Capability Entries returned by the drive are 4[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 90 17.3.14 Third Party Pr ocess Logout (TPRLO) The TPRLO request is used to invalidate the operating environments between the specified image(s) at the recipient N_Port (i.e., the drive). These image pa irs being invalidated are assumed to have been previously established with a Process[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 91 The Flags field is as follows: • Bit 1 5 - Third Party Originator Process Associator V alid When set to one, the Third Party Orig inat or Process Asso ciator field of this Service Parameter page is valid. • Bit 14 - Responder Process Associator V alid When set to one, the Respon[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 92 • Bit 12 - Gl obal Process Logout The drive will echo this bi t from t he TPRLO payl oad. • Bits 1 1-8 - Accept Response Code See T able 56. • Bits 7-0 - Reserved The Originator Process Associator and Responder Process Associator fields are not used. The drive will echo the Thi[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 93 The Node Identification Data Format specifies the format of Node Identification Data returned from the drive. The drive sets this field to the same value that was in the RNID Request. The Common Node- Identification-Dat a Leng th specifies the length of the Commo n Node-Identificati[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 94 T able 77: T opology Discovery Unit T ype The drive returns a value of 9h in this field. The Physical Port Number specifies the port that received the RNID REQ. V alid values are 00h if the RNID was received on port A and 01h if the RNID was received on port B. The Number of Attached[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 95 T able 78: T opology Disco very Flags The T opology Discovery Support flag signals that the node supports further T opology Discovery inquiries. This flag i s set to 0 by the drive. The Loop Position V alid flag indicates that multiple Node Identification Data records are re ported [...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 96 Note: Common FC Services are used to communicate with the Fabric N ame Server and are only issued by the drive when it is operating as a Public Loop Device. T able 81: Payload of a CT Header The FC_CT field contains the FC_CT revision. The drive always sets this value to 0x01. IN_ID [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 97 transfer only the numb er of bytes reque sted and set the Maximum/Residual field in the FS_ACC to the number of residual bytes that were not transferred.[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 98 17.4.1 Register FC-4 T ypes (RFT_ID) The drive uses RFT_ID to register its FC-4 type, (SCSI-FCP), with the Fabric Name Server . An RFT_ID req uest is sent to the well-know address FFFFFCh (Fabri c Name Server) and must be at tempted after a successful FLOGI. T able 83: RFT_ID payload[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 99 T able 85: FS_RJT Reason Codes T able 86: FS_RJT Reason Explanation s Encoded val ue Description 0000 0001 Invalid command code 0000 0010 Invalid version level 0000 001 1 Logical error 0000 0100 Invalid IU size 0000 0101 Logical busy 0000 01 1 1 Protocol error 0000 1001 Unable to pe[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 100 17.5 FC-AL timers T able 87: FCAL timer values The drive uses FCAL timers as specified in PLDA 2.1 as required in th e standard. •A L _ T I M E AL_TIM E rep resents two times the worst case round trip latency for a very large loop. •L I S _ H O L D _ T I M E LIS_HOLD _TIME is th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 101 •L P _ T O V LP_TOV is used to keep a Loop from deteriorating due to protocol errors o r lost Ordered Sets. LP_TOV is also used duri ng initialization and to reset the fairness windo w . 17.5.1 Link Failur e Link Failure is defined when a receiver has continuously detected loss o[...]

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification 102[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 103 18.0 SCSI-FCP This section describes the drive’ s implementation of SCSI-F CP . SCSI-FCP is the FC-4 mapping recommended by the Disk Profile. It maps the ANSI SCSI pr otocol onto the FC-PH functions. Note: PLDA 2.1 specifies: “Reserved FC -PH fields are not required to be check[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 104 18.2 Information Units SCSI-FCP defines a number of IUs that are used to descri be the mapping of SAM Device and T ask Management functions. The Disk Profile defines an 'FCP Feature Set', which is a subset of those IUs. This section defines the IUs implemented by the driv[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 105 18.2.1 FCP_CMND The FCP_CMND IU carries either a SCSI command to be executed or a T ask Managem ent function to be performed. T able 89: FCP_CMND paylo ad 18.2.1.1 FCP_LUN The FCP_LUN field identifies the logical unit number within the T arget. The drive is a single LUN with addres[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 106 The T ask Management Function flags are used to request T ask Management functi ons, as shown in T able 92. The T ask Man- agement functions are described in 18.4, “T ask Management funct ions”, on pa ge 110 . T able 92: TMF flag values The Execution management codes field cont[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 107 18.2.2 FCP_XFER_RDY The FCP_XFER_RDY IU indicates that the T a r get is prepared to perfor m all or part of the data transfer for a command. During WRITE operations, the FCP_XFER_RDY IU indicates the amoun t of data that the T arget expects from the Initiator . Since the T arget ha[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 108 18.2.4.1 FCP_ST A TUS The FCP_ST A TUS field is normally zero upon su ccessful completion of an IOP . T able 95: FCP_ST A TUS field The Flags field contains the following: Bits 7-4 - Reserved Bit 3 - FCP_RESID_UNDER When set to one, this flag indicat es th at the FCP_RESID field is[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 109 18.2.4.5 FCP_RSP_INFO This field contains i nformation describing o nly the protocol failu res detected during the execution of an IOP . T able 96: FCP_RSP_INFO field The content of the RSP_CODE field is defined below . T able 97: RSP_CODE definitions 18.2.4.6 FCP_SNS_INFO This fie[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 11 0 Ordered Queue This attribute specifies that the task shall be accepted into the task set and executed in the order received. All tasks received earlier shall complete before th is task. All tasks received later shall co mplete after this ta sk, except for tasks received with Head [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 111 18.4.1 Abort T a sk (I mplemented as ABTS BLS) The Abort T ask function is perfo rmed using the FC-PH link ma nagem ent functions. Specifically , the Abort Sequence (ABTS) Basic Link Service (BLS). Refer to 17.2.1, “Abort sequence (ABT S)”, on pag e 57 for a detailed descriptio[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 11 2 18.4.3 T erminate T ask The drive does not support T erminate T a sk. An FCP_RSP with a RSP_CODE of Function Rejected will be returned. 18.4.4 Clear ACA The drive does not support Clear ACA. An FCP_RSP with a RSP_CODE of Function Reject ed wil l be returned. 18.4.5 T arget Reset T[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 11 3 ACA is a condition that is creat ed within the T arget task set whenever CHEC K CONDITION is returned. While it exists, all tasks in the task set are blocked (i.e., the queue is frozen). Ne w tasks from Initiators other than the faulted Initiator are n ot entered into the task set[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 11 4[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 1 15 19.0 SCSI Command Set Summaries of th e SCSI commands su pported by the drive are listed below . O = optional, M = mandatory T able 99: SCSI Commands Supported T ype Code Description M 04h FORMA T UNIT (04), page 1 18 M 12h INQUIRY (12), page 125 O 4Ch LOG SELECT (4C), page 137 O [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 1 16 O 35h SYNCHRONIZE CACHE (10) - (35), page 270 O 91h SYNCHRONIZE CACHE (16) - (91), page 271 M 00h TEST UNIT READY (00), page 272 O 2Fh VERIFY (2F), page 273 O AFh VERIFY (12) - (AF), page 276 O AFh VERIFY (16) - (8F), page 277 O 7Fh/0Ah VERIFY (32) - (7F/0A), page 278 M 0Ah WRITE [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 1 17 19.1 SCSI Contr ol Byte The Control Byte is t he last byte of every CDB . The format of this byte is shown below . T able 100: SCSI Control Byte VU VU stands for V endor Unique. FLAG** If Link is zero, Flag must also be zer o. If Link is one, Flag may also be one. T ypically this [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 1 18 19.4 FORMA T UNIT (04) T able 101: FORMA T UNIT (04) • FMTPINFO (Format Protection Information) set to zero specifies th at the drive shall disable the use of protection information and format to the block size specified. FMTPINFO set to one sp ecifies that the drive s hall enab[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 1 19 Format Description 000b Block format 100b Bytes From Index format 101b Physical Sector format If the FmtData bit is set to zero, this field must also be zero. Otherwise the command will complete with a CHECK CONDITION with a sense key of Il legal Request and an additional sense co[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 120 19.4.1 Parame ter List Header Following is the format of the Paramt er List Header sent during the data out phase when FmtD ata is set to one. T able 102: Format of th e Parameter List Header • FOV (Format Options V alid) bit set to zero indicates that the T arget should use its [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 121 T able 103: Initialization Pattern Descriptor: • IP Modifier must be set to 0, indicating that the drive will no t modify the initialization pattern. • SI (Security Initialize) bit set to one specifies that all custom er data sectors, includi ng tho s e that have been previo us[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 122 Format of the Dlist sent durin g the data ou t phase when Dlist Format is Block format (00 0b) and FmtData is set to one. T able 104: Defect Descriptor - Bl ock Format (for n + 1 defects) The Block format of the Dlist is the LBA of each defective sector . Note: If a Defective LBA e[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 123 19.4.2.2 Bytes From In dex Format - 100b Format of the Dlist sent during the data out phase w hen Dlist Fo rm at is Bytes From Index format (100 b) and FmtData is set to one. T able 105: Defect Descriptor - Bytes Fr om Index Format (for n = 1 defects) Each defect descriptor for the[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 124 19.4.2.3 Physical Sect or Format - 101b Format of the Dlist sent durin g the data ou t phase when Dlist Fo rmat is Physical Sector format (101b) and FmtData is set to one. T able 106: Defect Descriptor - Physical Sector Format (for n + 1 defects) Each defect descriptor for the Ph y[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 125 19.5 INQUIR Y (12) T able 107: INQUIR Y (12) The INQUIR Y com mand requests the parameters of theT arget to be sent to the Initiator . An EVPD An EVPD bit of one specifies that the target return the vital product data page identified by the Page Code field in the CDB The available [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 126 19.5.1 Inquiry Data Fields with a value shown inside quotes (e.g. V alue =’xyz’) are character fields. A va lue not in quotes is a numeric value. Character fields are alphanumeric and repre sented in either ASCII. 19.5.1.1 Inquiry Data Format - EVPD = 0, Page Code = 0 T able 1 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 127 • Response Data Format is set to two to indicate that the INQUIR Y Data Format as specified in the ANSI SCSI version 2 is supported by the T ar get. • Addition al Length indicates the number of bytes of INQUIR Y information that follows. • SCCS bit of zero indicates that the [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 128 19.5.1.2 Inquiry Data Format - EVPD = 1 - Page Code = 00h T able 1 10: Inquiry Data - EVPD = 1 (Page Code = 00h) • Qualifier is set to zero to indicate that the LUN specified in the Comman d Block is currently supported. • Peripheral Device T ype is set to zero to indicate that[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 129 19.5.1.3 Inquiry Data Format - EVPD = 1, Page Code - 03h T able 1 1 1: Inquiry Data - EVPD = 1 (Page Code = 03h) • Qualifier is set to zero to indicate that the LUN specified in the Co mmand Block is currently supported. • Peripheral Devi ce T ype is set to zero to indicat e th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 130 • Page Code is set to the value of the page code field in the CDB. • Page Length field specifies the length (in bytes) of the vendor unique VPD information (bytes 4 - 163). If the allocation length of the CDB is too small to transfer al l the data, the Page Le ng th fie ld is n[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 131 19.5.1.4 Inquiry Data Format - EVPD = 1, Page Code - 80h T able 1 12: Inquiry Data - EVPD = 1 (Page Code = 80h) • Qualifier is set to zero to indicate that the LUN specifi ed in the Command Block is currently supp ort e d. • Peripheral Device T ype is set to zero to indicate th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 132 19.5.1.5 Inquiry Data - EVPD = 1 (Page Code = 83h) • Qualifier is set to zero to indicate that the LUN specifi ed in the Command Block is currently supp ort e d. • Peripheral Device T ype is set to zero to indicate that the device is Direct Access. • Page Code is set to the v[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 133 Logical Block Reference T ag field. • GRD_CHK (Guard Check) is set to one to indicate that the drive check s the Logical Block Guard T ag field in the pro- tection information, if any . • APP_CHK (Application T ag Check) bit is set to one to indicate that the drive checks the L[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 134 • Protocol Identifier is valid only when PIV=1. Protocol Identifier = 0 indicates Fibre Channel devices. Protocol Identi- fier = 6 indicates SAS devices • Code Set specifies the data type for the identifier field. Code Set = 1 indicates binary data • PIV (Pr otocol Identifier[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 135 19.5.1.9 Inquiry Data Format - EVPD = 1, Page Code - D1h T able 1 14: Inquiry Data - EVPD = 1 (Page Code = D1h) • Qualifier is set to zero to indicate that the LUN specifi ed in the Command Block is currently supp ort e d. • Peripheral Device T ype is set to zero to indicate th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 136 19.5.1.10 Inquiry Data Format - EVPD = 1, Page Code - D2h T able 1 15: Inquiry Data - EVPD = 1 (Page Code = D2h) • Qualifier is set to zero to indicate that the LUN specifi ed in the Command Block is currently supp ort e d. • Peripheral Device T ype is set to zero to indicate t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 137 19.6 LOG SELECT (4C) T able 1 16: Log Select (4C) The LOG SELECT command provides a means for the Initiator to clear statisti cal information maintain ed by the drive and reported via the LOG SENSE command. • PCR The Parameter Code Reset determines whether th e Log Se nse paramet[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 138 and they should be sent in ascending order by param eter code va lue. The drive shall return Check Condition status if the appli- cation client sends pages ou t of order, pa rameter codes out of order or missing para m eter code. The sense key shall be set to Illegal Request and ad[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 139 • Page 30h parameters: - Zero Seeks counter - Seeks > = to 2/3 counter - Seeks > = 1/3 and < 2/3 counter - Seeks > = 1/6 and < 1/3 counter - Seeks > = 1/12 and < 1/6 counter - Seeks > 0 and < 1/12 counter - Overrun Counter - Under run Counter - Device C[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 140 19.7 LOG SENSE (4D) T able 1 17: Log Sense (4D) The LOG SENSE command allows the Initiator to retrieve the statistical data rega rdi ng th e drive. • PPC (Parameter Pointer Control) bit must be set to zero. This specifies that the driv e start transferring data starting from the [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 141 19.7.1 Log Page parameters Each log page begins with a 4-byte page header foll owed by zero or more variabl e-length lo g parameters. Page header Page Code field identifies which log page is being transferred . The Page Length field specifies the length in bytes of the fol lowi ng [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 142 19.7.2 Log Sense Page 0 Page 0 indicates the supp orted log sense page s. This page is used to determine which additional p ages an Initiator can request. T able 1 18: Log Sense Page 0 Byte Bit 76543210 0 R eserved Page code = 0 1 Reserved 2-3 Page Length = 000Dh(Nu mber of Pages S[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 143 19.7.3 Log Sense Page 2 This page contains counters for write errors. T able 1 19: Log Sense Page 2 (part 1 of 2) T able 120: Log Sense Pag e 2 (part 2 of 2) Byte Bit 76543210 0 Reserved Page code = 02h 1 Reserved 2-3 PageLength = 54h 4-5 Parameter Code = 0000h 6 DU = 0 DS = 0 TSD [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 144 All parameter counts indicate the number of sectors with the sp ecified types of errors, except T imes Recovery Invoked, which is a cumulative count of all recovery steps attempted on all sectors written. 66 DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 F&L = 00b 67 Parameter Length = [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 145 19.7.4 Log Sense Page 3 This page contains counters for read errors. T able 1 21: Log Sense Page 3 (part 1 of 2) T able 1 22: Log Sense Page 3 (part 2 of 2) Byte Bit 76543210 0 Reserved Page code = 03h 1 Reserved 2-3 PageLength = 54h 4-5 Parameter Code = 0000h 6 DU = 0 DS = 0 TSD=0[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 146 All parameter counts indicate the number of sectors with the sp ecified types of errors, except T imes Recovery Invoked, which is a cumulative count of all recovery steps attempted on all se ctors read. EC C-on -the-fly correction is not included in any counters. 66 DU = 0 DS = 0 T[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 147 19.7.5 Log Sense Page 5 This page contains counters for verify errors. T able 1 23: L og Sense Page 5 (part 1 of 2) Byte Bit 76543210 0 Reserved Page code = 05h 1 Reserved 2-3 PageLength = 54h 4-5 Parameter Code = 0000h 6 DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 F&L = 00b 7 Parame[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 148 T able 124: Log Sense Pag e 5 (part 2 of 2) All parameter counts indicate the number of sectors with the sp ecified types of errors, except T imes Recovery Invoked, which is a cumulative count of all recovery steps attempted on all sect ors verified. ECC-on-the-fly co rrection is n[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 149 19.7.6 Log Sense Page 6 This page contains counters for non-medium errors. This in cludes seek errors and other hardware type fai lures. T able 125: Log Sense Page 6 Byte Bit 76543210 0 Reserved Page code = 06h 1 Reserved 2-3 PageLength = 0Ch 4-5 Parameter Code = 00h 6 DU = 0 DS = [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 150 19.7.7 Log Sense Page D This page contains temperature information. T able 126: Log Sense Page D Byte Bit 76543210 0 Reserved Page code = 0Dh 1 Reserved 2-3 PageLength = 0Ch 4-5 Parameter Code = 0000h 6 DU = 0 DS = 1 TSD = 0 ETC = 0 TMC = 0 F&L = 00b 7 Parameter Length = 02h 8 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 151 19.7.8 Log Sense Page E This page contains the star t-stop cycle information. T able 127: Log Sense Page E The week and year that the device was manufactured shall be set in the parameter fi eld defined by parameter code 0001h. The date of manufacture cannot be saved using the LOG [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 152 19.7.9 Log Sense Page F This page contains the Application Client Log. T able 128: Log Sense Page F The follow ing table desc ribes the appli cation client log parameter structure. T able 1 29: Log Sen se Page F , Application Client Log Parameter code 0000h through 003 Fh are suppo[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 153 19.7.10 Log Sense Page 10 This page contains self-test results. The results of th e 20 most recent self-tests ar e stored in this Log page. T able 1 30: Log Sense Page 10 The following table describes the self-test results log param e ter structure T able 131: Log Sense Page 10, se[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 154 T able 132: Log Sense Page 10, self-test results • Extended Segment Number This field identifies the numb er of the segment that failed during self-test . If no segm ent failed, this field will be 00h. V alue Description 0h The self-test r outine completed w ithout error . 1h The[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 155 T able 133: Log Sense Page 10 , Extended Segmen t Number • Tim es t am p This field contains the total accumu lated power-on hours of the T arget at the time the self-test completed. • LBA of first failure This field contains the LBA of th e first logical bl ock a ddress where [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 156 19.7.1 1 Log Sense Page 15 This page contains information about Background Mediu m Scan operations. T able 134: Log Sense Page 15 The following table describes the BMS Status Parameter structure. • Power On Minutes indicates the total power on minutes at the time the log page is [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 157 • Number of Scan s Perform ed ind icates the number of background scans that have been performed over the life of the- drive. • Medium Scan Progress is a percent complete indication of the medium scan. The returned value is a numerator that has 65,536 (1 00 00h) as its den om i[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 158 Additional Sense Cod e and Additional Sense Code Qualifier provide details about the error detected. 1h Reassignment pending receipt of Reassign command or write command (if auto write r eallocation is allowed) from the initiator 02h-5h Not supported 6h - Fh Reserved Reassign S tat[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 159 19.7.12 Log Sense Page 2F This page contains SMAR T S tat us and T emperature Reading. T able 1 35: Log Sense Page 2F Byte Bit 76543210 0 Reserved Page code = 2Fh 1 Reserved 2-3 PageLength = 8 4-5 Parameter Code = 0000h 6 DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 F&L = 1 1b 7 Param[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 160 19.7.13 Log Sense Page 30 This page contains Performance Counters. T able 136: Log Sense Page 30 Page 30h returns perform a nce count er inform ation. This incl udes seek counters and buffer overrun/under run counters. The appropriate seek counter is incremen ted once during execut[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 161 required to access the first Logical Block. After the initial seek , no further counter incrementi ng is performed for that com- mand. Note: The length of a seek as reported in page 30 may differ from expected results. The reason fo r this is that the drive exe- cutes Idle T ime Fu[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 162 The number of times that the drive was r eady to transfer data to its disk (on a write), but its buffer was empty (i.e., had not been filled by the Initiator), thus the disk was forced to take extra revolutions. • DEVICE CACHE FULL READ HITS The number of t imes that all of th e [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 163 19.7.14 Log Sense Page 37 This page contains a series of miscella neous data counters in cluding information ab out predictive failure analysis occurrences. T able 137: Log Sense Page 37 The Power on Hours field specifies the total time the dr ive has been powered on in ho urs onl [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 164[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 165 19.8 MODE SELECT (15) T able 138: Mode Select (15) The MODE SELECT (15) command provides a means for the Initiato r to specify LUN or device parameters to the T arget. It also allows an Init iator to specify options the T ar get uses in error recovery , cach ing, and formatting. Th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 166 19.9 MODE SELECT (55) T able 139: Mode Select (55) The MODE SELECT (55) command provides a means for the Initiator to specify LUN or device parameters to the T arget. See the MODE SELECT (15) command for a description of the fields in this command . Byte Bit 76543210 0 Command Code[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 167 19.10 MODE SENSE (1A) T able 140: Mode Sense (1A) The MODE SENSE (1A) command provides a means fo r the drive to report various device parameters t o the Initiator . It is the complement t o the MODE SELECT command. If the DBD (D isable Blo ck Descriptor) bit is zero, the T arget w[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 168 1 0 Report default value. The drive returns the default values for the page code specified. The parameters not supported by the drive are set to zero. 1 1 Report saved val ue. The drive returns the s aved value for the page code specified. Saved values are one of the following: - t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 169 T able 143: Mode parameter header (10) • Mode Data Length . When using the MODE SE NSE command, the mode data length field specifies the length in bytes of the following data that is available to be transferred. The mode data leng th does not includ e the lengt h byt e itself. Wh[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 170 19.10.1.2 Block Descriptor T able 144: Mode Parameter Block Descriptor The Block descriptor provides formatting information about the Number of Blocks (user addressable) to format at the speci- fied Block Length. • Number o f Blocks When used with the MODE SELECT command, the Num[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 171 19.10.1.3 Page Descriptor T able 145: Mode Parameter Page Format Each mode page contai ns a page code, a pa ge length, and a set of mode parameters. When using the MODE SENSE comm and, a Parameter Savable (PS) bit of one indi cates that the mode page can be saved by the drive in th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 172 19.10.2 Mode Page 00 (V endor Unique Parameters) T able 147: V endor Unique Parameters - Page 00 Fields marked in the table as 'Ignored' are not used or checked by the drive. They w ill be initialized to zero but can be set a s desired for compatibilit y with older drives[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 173 • IGRA (Ignore Reassigned LBA) bit works in conjunction with th e RC bit (Mode Page 01h, byte 2, bit 4). The main pur- pose of this bit is to avoid undesirab le read processing time delays due to re assigned LBA processing for continuou s data availability requirements such as Au[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 174 19.10.3 Mode Page 01 (Read/Wr ite Err or Recovery Parameters) T able 148: Mode Page 01 (V endor Unique Parameters) The Read-W rite recovery parameters that will be used durin g any command that perform s a read or write operation to th e medium are as follows: • AW R E Automatic [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 175 • PER a Post Error bit, is set to one to indi cate that the drive repor ts recovered errors. • DTE (Data T erminate on Error) bit set to one specifies that data transfer w ill be halted when the first recovered error is encountered. PER must be set to o ne when DTE is set to on[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 176 The following summarizes valid modes of operation. If an il legal mode is set, the MODE SELECT command will complete successfully but the action of the drive when an error occu rs is undefined. PER DTE DCR TB DESCRIP TION 0 0 0 0 Retries and Error Correction are attempted. Recovere[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 177 1 0 0 1 The highest level error is reported at the end of tran sfer . Retries and error correction are attempted. Recov- ered or corrected data (if any) or both are transferred with Check Condition status and Recover ed Err or sense key set at the end of the transfer . no err The t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 178 1 1 1 0 The highest level error is repo rted at the end of transfer . Retries are attempted but ECC is not ap plied. Recovered data are transferred with Check Condition status and R e c o ve re d E r ro r sense key set at the end of the transfer . no err The transfer length is exha[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 179 19.10.4 Mode Page 02 (Dis connect/Reconnect Parameters) T able 149: Mode Page 02 (Dis connect/Reconnect Parameters) The disconnect/reconnect p age provides the Initi ator with the means to tu ne the performance of the Fibre Channel Loop. The drive uses the disconnect/reconnect para[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 180 19.10.5 Mode Page 03 (F ormat Device Parameters) T able 150: Mode Page 03 (Format Device Parameters) Byte Bit 76543210 D e f a u l t 0 PS 0 Page Code = 03h 03h 1 Page Length = 16h 16h 2-3 (MSB) T racks per Zone (LSB) xxh xxh 4-5 (MSB) Alternate Sectors per Zone = 0 (LSB) 00h 00h 6-[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 181 The format device page contains parameters that s pecify the medium format. This page contains no changeable param eters. • T racks per Zone specifies the number of tracks wi thin the zone. This field is a function of the active notch. • Sectors per T rack specifies the number [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 182 19.10.6 Mode Page 04 (Rigid Disk Drive Geometry Parameters) T able 151: Mode Page 04 (Rigid Disk Drive Geometry Parameters) The rigid disk drive geometric page specifies various parameters for the drive. • RPL = 0, Indicates that t he drive does not supp ort spindle synchronizat [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 183 19.10.7 Mode Page 07 (V erif y Err or Recovery Parameters) T able 152: Mode Page 07 (V erify E rr or Recovery Parameters) The V erify recovery par ameters are used by the T ar get when recovering from an d reporting errors associ ated with the verifica- tion of the Initiator's[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 184 19.10.8 Mode Page 08 (Caching Parameters) T able 153: Page 08 (Caching Parameters) The caching parameters page defines parame ters that affect the use of the cache. • IC (Initiator Control) bit of one specifies that the drive will hon or the following parameters to control cache [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 185 Note: When WCE = 1, a SYNCHRONIZE CACHE command must be done to ensure dat a are written to the me dia before powering down the T ar get. • MF (Multiplication Factor) bit determines how the Maximum and Minimum Pre-fetch parameters are interpreted. If this bit is set to zero, the [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 186 19.10.9 Mode Page 0A (Con trol Mode Page Parameters) T able 154: Page 0A (Control Mode Page Parameters) Following are param eter options for Page 0A. • Queue algorithm modifier specifies restrictions on the al gorithm used f or reordering comm ands that are tagged with the SIMPLE[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 187 • DQue (Disable Queuing) bit set at zero specifies that tagged queuing shall be enabled if the T arget supports tagged queu- ing. A DQue bit set at one s pecifies th at tagged queuing sh all be di sab led. Co mmand queuing is always enabled on the drive, therefore this bit is ign[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 188 19.10.1 1 Mode Page 0C (Notch Parameters) T able 1 56: Page 0C (Notch Parameters) The notch page contains parameters for direct-access devices that implement a variable number of blocks per cylinder . Each section of the logical unit with a different number of blocks per cylinder i[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 189 - Alternate T rack per Logical Unit - Sector per T rack - T rack Skew Factor - Cylinder Skew Factor • S tarting Boundary contains the first physical location of the active notch. The firs t thre e bytes are the cylinder number and the last byte is the head. The va lue sen t in th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 190 19.10.12 Mode Page 19h (Fib r e Channel Port Contr ol Page) T able 157: Mode Page 19 h • DTFD (Disable T arget Fabric Discovery) bi t of one indicates that a T arget att ached by an FC-AL loop shall not rec- ognize the presence of a fabric loop port, FL_Port, on the loop. The T a[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 191 • DTOLI (Disable T arget Originated Loop Initialization) bi t of on e specifies the T ar get does not generate the initializ- ing LIP following insertion into the loop. The T arget will respond to an ini tializing LIP , if recei ved. The T arget will generate the loop failure LIP[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 192 19.10.13 Mode Page 1A (Power Contr ol) T able 159: Page 1A (Power Control ) • Idle bit of one indicates that the T arget shall use the Idle Condition Timer to determine the length of inactivity time to wait before entering the Idle power state. An Idle bit of zero indicates that [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 193 19.10.14 Mode Page 1C (Inf ormational Exceptions Contr ol) T able 160: Page 1C (Informational Exceptions Control) • PERF (Performance) bit is not supported and is ignored. Info rmational Exception operations will not cause performance delays. • EBF (Enable Background Function) [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 194 • Method of Reporting Informational Exceptions indicates the methods used by the T arget to report informational excep- tion conditions. Code Description 0h No reporting of informat ional exception condition: This method instructs the T ar get to not report infor- mational except[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 195 19.10.14.1 Background Contr ol (Subpage 01h) T able 161: Backgro un d Contr ol (Subpage 01h) • Suspend On Log Full (S_L_FULL) bit set to zero allows backg round scans to conti nue if the result s log (Log Sense Page 15h) is full. S_L_FULL bit set to one will cause background scan[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 196 19.1 1 MODE SENSE (5A) T able 162: Mode Sense (5A) The MODE SENSE (5A) command provides a means for the dri ve to report various devi ce parame ters to the Initiator . See the MODE SENSE (1A) command for a descript io n of the fi elds in this command. Byte Bit 76543210 0 Com mand C[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 197 19.12 PERSISTENT RESER VE IN (5E) T able 163: Persistent Reserve In (5E) The PERSISTENT RESER VE IN com m and is used to obt ain inform ation about persi s tent reservati ons and reserv ation keys that are active within the co ntroller . This command is used in conjunction with the[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 198 19.12.1 Service Action The following service action codes are impl emented. If a reserved service action co de is specified, the drive returns a Check Condition status. The sense key is set to Illegal Request and the additi onal sense data is set to Invalid Field in CDB . T able 16[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 199 19.12.2 Parameter data for Read Keys T able 165: PERSISTENT RESER VE IN, parameter data for Read Keys Generation is a counter that increments wh en PERSISTENT RESER VE OUT command with “Regis ter” or “Preempt and Clear” completes successfully . Generation is set to 0 as par[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 200 19.12.3 Parameter Data for Read Reservations T able 166: PERSISTENT RESER VE IN, para meter data for Read Reservations The Generation field shall be as defined for the Pe rsistent Reserve In Read Keys parameter data. The Additional Length field contains a count of the number of byt[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 201 19.13 PERSISTENT RESER VE OUT (5F) T able 168: PERSISTENT RESER VE OUT (5F) The PERSISTENT RESER VE OUT command is used to request se rvice actions that reserve th e drive for the exclusive or shared use of the initiator . The command uses other service act ions to manage and remov[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 202 19.13.1 Service Action The following service action codes are supported. T able 169: PERSISTENT RESER VE OUT , Service Action Code Code Name Description 00h Registe r Register a reservation key 01h Reserve Create a persistent reservation using a reservation key 02h Release Release [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 203 19.13.2 T ype The Ty p e field specifies the characteristics of the persistent reservatio n being establis hed for all customer data sectors. Thetable below describes the supported types and how read and write comman ds are handled for each reservation type. T able 170: PERSISTENT [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 204 19.13.3 Parameter list The Parameter List required to perform the PERSISTENT RERSER VE OUT command is defined in the table below . All fields must be sent on all PERSISTENT RE SER VE OUT commands, even if the field is not required fo r th e specified service action. T able 171: Par[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 205 19.13.4 Summary T able 172: PERSISTENT RESER VE OUT , Service Action, Parameters Service Action Parameters Generation counter Scope Ty p e Rsv Key SvcAct RsvKey S-spec addr Extent length AP TPL (0) Register ignore verify sa ve ignore ignore apply + 1 (1) Reserve apply verify ignore[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 206 19.13.4.1 Scope, T ype The Scope and the T ype are applied in the process for the Reserve, Release, and Preempted and Clear service action but they are ignored in the process for the Register service action because they are not used. 19.13.4.2 Reservation Key The Reservation Key is[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 207 19.14 PRE-FETCH (34) T able 174: PRE-FETCH (34 ) The PRE-FETCH command requests the drive to transfer data to the cache. No da ta is transferred to the Initiator . • T ransfer length field specifies the number of contig uous blocks of data that are to be transferred into the cach[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 208 19.15 READ (6) - (08) T able 175: READ (6) - (0 8) The READ command requests the drive to transfer from the medium to the initiator the specified num ber of blocks (T ransfer Length) starting at the specified Logical Block Address (LBA). • Logical block addr ess field specifies t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 209 19.16 READ (10) - (28) T able 176: READ (10) - (28) The READ (10) command requests the drive to transfer data to the Initiator . The larger LBA and T r ansfer Length fields permit greater quantities of data to be reques ted per command than with the READ command and are requi red t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 210 - Protection i nformation is transm itted to the i nitiator with the us er data - Logical Block Guard is checked - Logcial Block Application T ag is check ed (applies to READ(32) command only) - Logical Block Reference T ag is checked RDPROTECT=010b - Protection i nformation is tra[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 21 1 19.17 READ (12) - (A8) T able 177: Read (12) - (A8) The READ(12) command causes the drive to tran sfer data to the initiator . See the READ(10) description for the definitions o f the fields in this command. Byte Bit 76543 2 1 0 0 Command Code = A8h 1 RDPROTECT DPO FUA Rsvd = 0 FU[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 212 19.18 READ (16) - (88) T able 178: READ (16) - (88) The READ(16) command causes the drive to tran sfer data to the initiator . See the READ(10) description for the definitions o f the fields in this command. Byte Bit 765432 1 0 0 Command Code = 88h 1 RDPROT ECT DPO FUA Rsvd=0 FUA_N[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 213 19.19 READ (32) - (7F/09) T able 179: Read (32) - (7F/09) The READ command requests that th e drive transfer data from disk to the initi ator . Each logi cal block transferred includes user data and may include protection information , based on the RDPROTECT field and the drive for[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 214 See READ (10) - (28) for descriptions of the RDPROTECT , DP O, FUA, Logical Block Address, and Transfer Length fields. When checking of the Logical Block Reference T ag field is enab led, the Expected In it i al Logical Block Re fer ence T ag field contains the value of the Logical[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 215 19.20 READ BUFFER (3C) T able 180: READ BUFFER (3C) The READ BUFFER comman d is used in conjunction with the WRITE BUFFER command as a diagnostic function for test- ing the memory of the drive and the SCSI bus integrity . This command does not alter the medium. The function of this[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 216 19.20.1 Combined Header And Data (Mode 00000b) In this mode a 4-byte header followed by data by tes is returned to the Initiato r during the DA T A IN phase. The Buffer ID and the buffer of fset field are reserved. The drive terminates the DA T A IN phase when allocation length byt[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 217 19.20.2 Read Data (Mode 00010b) In this mode, the DA T A IN phase contains buffer data. • Buffer ID field must b e set to zero, indicating the data transfer buf fer . If a nother value is specified, the command is terminated with Check Condition status. The drive sh all set sense[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 218 19.20.3 Descriptor (Mode 0001 1b) In this mode, a maximum of four bytes of READ BUFFER descriptor information are returned. T he dri ve returns the descrip- tor information for the buffer specified by the Buffer ID. • Buffer ID field should normall y be set to zero, indicating th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 219 19.20.4 Read Data fr om Echo Buffer (Mode 01010b) In this mode the drive transfers data from the ech o buffer . The echo buf fer will transfer the same data as when the WRITE BUFFER command was issued with th e mode field set to echo buffer . WRITE BUFFER command with the mode fiel[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 220 19.20.5 Echo Buffer Descriptor (Mode 0101 1b) In this mode, a maximum of four bytes of Read Buffer Descriptor information is returned. The drive returns the descriptor information for the echo buffer . The Buffer Of fset field is reserved in this m ode and must be zero. The dr ive [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 221 19.20.6 Enable Expander Communications Protocol an d Echo Buffer (Mode1 1010b) Receipt of a READ BUFFER command w ith this mode (1 1010b) cau ses a communicative expander to enter the expanded communication protocol mode. SCSI tar get devices that receive a READ BUFFER co mmand wit[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 222 19.21 READ CAP ACITY (10) - (25) T able 184: READ CAP AC ITY (10) - (25) The READ CAP ACITY command returns information regardi ng the capacity of the drive. • Logical Block Address is used in conjunction with the PMI bit. • PMI (Partial Medium Indicator) indicates: PMI Descrip[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 223 19.21.0.1 Returned Data Format The data returned to the Initiator in response to the READ CAP A CITY command is described here. The data is returned in the DA T A IN phase. T able 185: Format of READ CAP ACITY command reply • Block Length specifies the length in bytes of each blo[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 224 19.22 READ CAP ACITY (16) (9E/10) T able 186: Read Capci ty (16) (9E/10) The READ CAP ACITY (16) (9E/10) command returns infor mation re garding the capacity of the dr ive. This command is pro- cessed like the standard RE AD CAP ACITY (25) command. Byte Bit 67543210 0 Command Code [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 225 19.22.1 Returned Data Format The following data is returned to th e initiator in the DA T A OUT ph ase. T able 187: Returned Data Format • R TO_EN (Reference T ag Own Enable) bit set to one indicates that application client ownership of the Logical Block Reference T ag field in p[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 226 19.23 READ DEFECT DA T A (37) T able 188: READ DEFECT DA T A (37) The READ DEFECT DA T A command requests that the T arget transfer the medium defect data to the Initiator . If the T arget is unable to access any medium defect data it will return a Check Condition status with the a[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 227 T able 189: Defect List Format Note: The drive will te rminate the Da ta In phase when the Allocation Length has b een transferred or when all available Defect Data has been transferred to the Initiator , whichever is less. The Read Defect Data contains a 4-byte header followed by [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 228 19.23.1 Defect List Header T able 190: Defect List Header Byte Bit 76543210 Defect List Header 0 Reserved = 0 1 Reserved = 0 Plist Glist Defect List Format 2-3 (MSB) Defect List length (LSB)[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 229 19.23.2 Defect List Descriptor T able 191: Defect List Descriptor Byte Bit 76543210 Defect List Descriptor 0-7 Defect Descriptor 0 . 8n - (8n+7) Defect Descriptor n[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 230 19.23.3 Bytes fr om Index Format (100b) T able 192: Defect Descriptors of Bytes from Index Format Defect Bytes from Index is gotten using the follow ing equ ation: Bytes from Index = (Physical Sector Number) * N Where: N = Bytes per sector Byte Defect Descriptors 0-2 (MSB) Cylinder[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 231 19.23.4 Physical Sector Format (101b) T able 193: Defect Descriptors of Physical Sector Format The Defect List Format field speci fies the format of the defect li st data returned by the T arget. The Defect List Length field specifies the length in bytes of the defect descriptors t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 232 19.24 READ DEFECT DA T A (B7) T able 194: READ DEFECT DA T A (B7) (See Section 19.23 “READ D EFECT DA T A (3 7)” on page 226.) Byte Bit 76543210 0 Command Code = B7h 1 Reserved = 0 Plist Glist Defect List Format 2-5 Reserved = 0 6-9 (MSB) Allocation Length (LSB) 10 Reserved = 0[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 233 19.24.1 Defect List Header T able 195: Defect List Header (See Defect List Header for Read Defect Data (37) in Section T able 19.23.1, “Defec t List Header,” on page 228 .) Byte Bit 76543210 Defect List Header 0 Reserved = 0 1 Reserved = 0 Plist Glist Defect List Format 2-3 Res[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 234 19.24.2 Defect List Descriptor T able 196: Defect List Descriptor (See Defect List Descriptor for Read Defect Data (37) in Section 19.23.2 “Defect List Descriptor” on page 22 9.) Byte Bit 76543210 Defect List Descriptor 0-7 Defect Descriptor 0 . 8n - (8n+7) Defect Descriptor n[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 235 19.24.3 Bytes fr om Index Format (100b) T able 197: Defect Descriptors of Bytes from Index Format Defect Bytes from Index is derived using the fo llow ing equation: Bytes from Index = (Physical Sector Number) + N where N = Bytes per sector . Byte Defect Descriptors 0-2 (MSB) Cylind[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 236 19.24.4 Physical Sector Format (101b) T able 198: Defect Descriptors of Physical Sector Format Byte Defect Descriptors 0-2 (MSB) Cylinder Number of Defect (LSB) 3 Head Number of Defect 4-7 (MSB) Defective Sector Number (LSB)[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 237 19.25 READ LONG (3E) T able 199: READ LONG (3E) The READ LONG command requests th e drive to trans fer one block of data to the Initiator . The transfer data includes data and ECC field data. • Correct bit of zero causes the logical block to be read without any correction attemp [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 238 19.26 REASSIGN BLOCKS (07) T able 200: REASSIGN BLOC KS (07 ) The REASSIGN BLOCKS command requests the drive to reassign a logical block to an available spare. The REASSIGN BLOCKS command attemp ts to allocate sp are blocks on a spare track. The LBA is transferred to the drive duri[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 239 Following is the format of the data sent by the Initiator during the DA T A OUT ph ase. T able 201: Format of Reassign Blocks data • Defect List Length must be 4, 8, 12, or 16. O therwise, the drive returns Check Condition with a sense key of Illegal Request . • Defective Logic[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 240 19.27 RECEIVE DIAGNOSTICS RESUL TS (1C) T able 202: RECEIVE DIAGNOSTIC RESUL TS (1C) The RECEIVE DIAGNOSTIC RESUL TS command requests that analy sis data requested by a SEND DIAGNOSTIC com- mand be sent to the Initiator . • PCV (Page Code V alid) bit of zero indicat es that the m[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 241 19.27.1 Receive Diagnostic Results Page 0 This page contains a list of supported pages. T able 203: Receive Diagnostic Results page 0 The supported diagnostic page return s a lis t of supported pag es in ascending order . Byte Bit 76543210 0 Page Code = 0 1 Reserved = 0 2-3 Page Le[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 242 19.27.2 Enclosur e Service In formation (ESI) Page Format The drive supports the fo llowing enclosure pages as specified by the “SCSI-3 Enclosure Service (SES) Rev 8a” standard. Please refer to that standard for more definition on these pages. Note that the drive does not attem[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 243 19.27.3 Receive Diagnostic Results Page 40 Using the SEND DIAGNOSTIC command, an address in either physical or logical format is supplied to the drive. This page is then used to retrieve the address translated into the other format. T able 206: Receive Diagnostic Results Page 40 ?[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 244 6-8 Cylinder Number 9 Head Number 10-13 Sector Number or Bytes from Index[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 245 19.27.4 Receive Diagnostic Page A0h The Receive Diagnostic Device LED Control Page A0h is returned as a result of the Send Diagnostic Device LED Control Page A0h. For a description of the parameters in t his pa ge, see 19.34.3, "Send Diagnostic Page A0h" on page 231. T ab[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 246 19.28 RELEASE (17) T able 209: RELEASE (17) The RELEASE command is used to release a LUN previously reserved. It is not an error for an In itiato r to release a LUN that is not currently active. The drive returns Good status without altering the reservati on. • 3rdPty must be 0. [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 247 19.29 RELEASE (57) T able 210: RELEASE (57) The RELEASE command is used to release a LUN previously reserved. It is not an error for an In itiato r to release a LUN that is not currently active. The drive returns Good status without altering the reservati on. • 3rdPty must be 0. [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 248 19.30 REPOR T DEVICE IDENTIFIER (A3/05) T able 21 1: REPORT DEVICE IDENTIFIER (A3/05) The REPORT DEVICE IDENTIFIER command requests that the device server se nd device identification information to the application client. The LUN contains the logical unit number parameter . This pa[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 249 T able 2 12: Report Device Identifier parameter list The IDENTIFIER LENG TH field specifies the length in bytes of the IDENTIFIER field. If the ALLOCA TION LENG TH field in the CDB is too small to transfer all of the identifier, the length is not adjust ed to reflect the truncation[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 250 19.31 REPOR T LUNS (A0) T able 213: REPORT LUNS (A0) The REPOR T LUNS command reque sts t hat the T arget return the known LUN to the Init iator . Th e REPOR T LUNS comm and should always be available and is unaffected by any reservations. The Allocation Length must be at least 16 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 251 19.32 REPOR T SUPPOR TED OPERA TION CODES (A3/0C) The REPOR T SUPPOR TED OPERA TION CODES command requests information on commands that the driv e supports. The initiator may request a list of all operation codes and service actions supported, o r the command support data for a spe[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 252 Allocation Length specifies the number of bytes that have been allocated for the returned pa rameter data. If the length i s not sufficient to contain all the parameter data, the first po rti on of the data shall be returned. The actual length of the parame ter data may be d etermi[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 253 19.32.1 All_commands parameter data format The Report Supported Operation Codes all_com mand parameter data format begins with a four-byt e header that contains the length in bytes of the parameter data, followed by a list of supported comm ands. Each command descriptor contains in[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 254 19.32.2 One_command parameter data format The Report Supported Operation Codes one_comman d parameter da ta format contains informa tion about the CDB and a usage map for bits in the CDB for the command specified by the Re porting Options, Requested Operation Code, and Requested Se[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 255 19.33 REPOR T SUPPOR TED T ASK MANAGEMENT FUNCTIONS (A3/0D) T able 215: Report Supported T asks Managemen t Functions (A3/0D) The REPOR T SUPPOR TED T A SK MAN AGEMENT FUNCTIONS command request s inform ation on task management functions supported by the drive. Allocation Length sp[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 256 WA K E S ( W a k e u p ) bit set to one in dicates that W AKEUP i s supported. A W AKES bit of zero indicates that W AKEUP is not supported.[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 257 19.34 REQUEST SENSE (03) T able 216: REQUEST SENSE (03) The REQUEST SENSE command requests th e drive to transfer sense data. If REQUEST SENSE command with an inva lid LUN is received, the drive returns Good status and reports a sense key of Ille- gal Request and an additional sens[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 258 19.35 RESER VE (16) T able 2 17: RESE R VE (16) The RESER VE comm and is used to reserve a LUN for an In itiat or . This reservation can be either fo r the Initi ator sending the command or for a third party as specified by the Initiator . Extents are not support ed by the drive. T[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 259 19.36 RESER VE (56) T able 2 18: RESE R VE (56) The RESER VE comm and is used to reserve a LUN for an In itiat or . This reservation can be either fo r the Initi ator sending the command or for a third party as specified by the Initiator . Extents are not support ed by the drive. T[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 260 19.37 REZERO UNIT (01) T able 219: REZERO UNIT (01) The REZERO UNIT command requests that the T arget seek LBA 0. Byte Bit 76543210 0 Command Code = 01h 1 Reserved = 0 Reserved = 0 2-4 Reserved = 0 5 VU = 0 Reserved = 0 FLAG LINK[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 261 19.38 SEEK (6) - (0B) T able 220: SEEK (6) - (0B) The SEEK (6) command requests the drive to seek the specified LBA. If the LBA is greater than the value returned by the READ CAP ACITY command, the Drive returns a Check Condition status with a sense key of Illegal Request and an ad[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 262 19.40 SEND DIAGNOSTIC (1D) T able 222: SEND DIAGNOSTIC (1 D) The SEND DIAGNOSTIC command requests the drive to perform its se lf-diagnostic test or to pe rform a function based on a page of information sent in a Data Out ph ase du ring the command. • PF (Page Form a t) bit set to[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 263 T able 223: SEND DIAGNOSTIC Function Code (1 D) • DevOfl is ignored by the T arget for compatibility . • UntOfl is ignored by the T ar get for compatibility . • Parameter List Length must be 0 when the SlfT st bit is one. Otherwise, Check Condition status will be generated wi[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 264 19.40.1 Send Diagnostic Page 0 This page requests that the drive return a list of supported pages on the next RECEIVE DIAG NOSTICS command. T able 224: Diagnostic Page 0 Byte Bit 76543210 0 Page Code = 0 1 Reserved = 0 2 - 3 Page Length = 0[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 265 19.40.2 Send Diagnostic Page 40 This allows the Initiator to tran slate a LB A or physical sector address to the other fo rmat. The address to be translated is pa ssed to the T arget with the SEND DIAGNOSTIC command and the resu lts are returned to the Initiator by the RECEIVE DIAG[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 266 • Address to T ransl ate contains the address to translate. If the logical block format is specified, the first four bytes of the field (bytes 6 to 9) contain the LBA and the remainder mu st be zero. For the physical format the address must be specified as follows. T able 2 26: A[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 267 19.40.3 Send Diagnostic Page A0h The Device LED Control Page A0h allows the initiator to turn on or off the device fault LED light. T able 227: Device LED Control Page - Send Diagnostic The page begins wit h a four-byte page h eader which specifies the page code and leng th. A SBDL[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 268 19.41 SET DEVICE ID ENTIFIER (A4/06) T able 228: SET DEVICE IDE NTIFIER (A4/06) The SET DEVICE IDENTIFIER command requests that the device identifi er information be set to the value received in the SET DEVICE IDENTIFI ER parameter list. On successful completion of a S ET DEVICE ID[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 269 19.42 ST AR T STOP UNIT (1B) T able 230: ST AR T ST OP UNIT (1B) The ST AR T STOP UNIT command is used to spin up or stop the spindle motor . • Immed bit is to specify 0 status is to be returned at the end of the operation. 1 Good status shall a lways be return ed immediately aft[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 270 19.43 SYNCHRONIZE CACHE (10) - (35) T able 2 31: SYNCHRON IZE CACHE (10) - (35) The SYNCHRONIZE CACHE command ensures that logical blocks in the cache ha ve their most recent da ta value recorded on the media. • Logical Block Address is to specify where the operation is to begin.[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 271 19.44 SYNCHRONIZE CACHE (16) - (91) T able 232: Synchr onize Cache (16) - (91) The SYNCHRONIZE CACHE command ensures that logical blocks in the cache ha ve their most recent da ta value recorded on the media. See the SYNCHRONIZE CACHE (10) descripti on fo r definitions of the field[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 272 19.45 TEST UNIT READY (00) T able 233: TEST UNIT READY (00) The TEST UNIT READY command al lows the Initiator to check if the drive is READY . The SCSI specification defines READY as the condition where the device will accept a media-access comma nd without returning Check Conditio[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 273 19.46 VERIFY (2F) T able 234: VERIFY (2F) The VERIFY command requests that the drive verify the data written on the med ia. A verification length of zero indicates th at no data will be transferred. This conditio n is not considered an error . • ByteChk bit set to zero indicates [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 274 If the drive is not formatted with protection in form ation , VRPROTECT must be set to 000b, else Check Condition status will be returned with sense key of Illegal Request a nd additi onal sense code of Invalid Field in CDB. VRPROTECT=000b If the drive is not formatted with protect[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 275 If ByteChk=1, and V RPROTECT is not set to 000b, checkin g of protection info rm ation is performed on the fields described above as a byte-by-byte comparison against the data transferred to the drive by the initiat or during the Data Out phase.. Refer to the ANSI T10 standards for[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 276 19.47 VERIFY (12) - (AF) T able 235: V erify (12) - (AF) The VERIFY(12) command causes the drive to verify data written on the media. S ee t he VERIFY(10) description for the def- initions of the fields in this command. Byte BIT 76543210 0 Command Code = AFh 1 VRPROTECT DPO FUA Res[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 277 19.48 VERIFY (16) - (8F) T able 236: V erify (16) - (8F) The VERIFY command requests that the drive verify the data written on the media. See the VERIFY (10) description for the definiti ons of the fi elds in this command. Byte Bit 76543210 0 Command Code = 08Fh 1 VRPROTECT DPO Res[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 278 19.49 VERIFY (32) - (7F/0A) T able 237: V erify (32) - 7F/0A) The VERIFY command requests that the verify the data written on the media. Each lo gical block includes user data and may include protection information, based on th e VPRO TECT fiel d and the drive format. If the R TO_E[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 279 See VERIFY (2F) for des criptions of th e VPROTECT , DPO, ByteChk, Logical Block Address, and V erification Length fields. When checking of the Logical Block Reference T ag field is enab led, the Expected In it i al Logical Block Re fer ence T ag field contains the value of the Log[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 280 19.50 WRITE (6) - (0A) T able 238: WRITE (6) - (0 A) The WRITE command requests the dr ive to write the specified nu mb er of blocks of data ( T ransfer Length ) from the In itiator to the medium starti ng at the specified Logica l Block Address ( LBA ). See Section 19.15 “READ ([...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 281 19.51 WRITE (10) - (2A) T able 239: WRITE (10) - (2A) The WRITE (10) command requests that the dr ive write the data transferred from the Initiator . This command is processed li ke the standard WRITE (6) - (0A) command ex cept for the longer transfer length. • T ransfer Length i[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 282 If the drive is not form atted with protection in fo rmation, WRPROTECT must be set to 000b, else Check Condition status will be returned with sense key of Illegal Request a nd additi onal sense code of Invalid Field in CDB. WRPROTECT=000b Protection inform ation is not transmi tte[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 283[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 284 19.52 WRITE (12) - (AA) T able 240: Write (12) - (AA) Byte Bit 76543210 0 Command Code = AAh 1 WRPROTECT DPO FUA Rsvd=0 FUA_NV Rsvd=0 2-5 (MSB) Logical Block Address (LSB) 6-9 (MSB) T ransfer Length (LSB) 10 Reserved=0 1 1 VU = 0 Reserved = 0 FLAG LINK[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 285 19.53 WRITE (16) - (8A) The WRITE(16) command causes the drive to write data from the initiator to the media. See the WRITE(10) description for the definitions of the fields in this command. Byte Bit 76543210 0 Command Code = 8Ah 1 WRPROTECT D PO FUA Rsvd=0 FUA_NV Rsvd=0 2-9 (MSB) [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 286 19.54 WRITE (32) - (7F/0B) T able 241: Write (32) - (7F/0B) The WRITE command requests that th e drive write d ata transferred from th e initia tor to disk. Each logical block transferred Byte Bit 76543210 0 Command Code = 7Fh 1 VU = 0 Reserved = 0 FLAG LINK 2-5 Reserved = 0 6 Rese[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 287 includes user data and may in clude protection information, ba sed on the WRPROTECT field and th e drive format. Each logi- cal block written includes user data and, if the drive is form atted with protectio n informati on enabled, protection information . If the R TO_EN bit is set[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 288 19.55 WRITE AND VERIFY (10) - (2E) T able 242: WRITE AND VERIFY (10 ) - (2 E) WRITE AND VERIFY command requests that the drive writes the data transfer red from the Initiator to the medium and then verify that the data is correctly written. If caching is enabled, an implied FUA (Fo[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 289 19.56 WRITE AND VERIFY (12) - (AE) T able 243: Write andV erify (12) - (AE) The WRITE AND VERIFY command requests that the drive write th e data transferred from the Initiator to the medium and then verify that the data is correctly wr itten. See the WRITE AND VERIFY (10) descripti[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 290 19.57 WRITE AND VERIFY (16) - (8E) T able 244: Write and V erify (16) - (8E) The WRITE AND VERIFY command requests that the drive write th e data transferred from the Initiator to the medium and then verify that t he data is correctly written. Byte Bit 76543210 0 Command Code = 8Eh[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 291 19.58 WRITE AND VERIFY (32) - (7F/0C) T able 245: Write and V erify (32) - (7F/0C) The WRITE AND VERIFY command requests that the drive write the data transferred from the initiator to disk and then ver- ify that the data is correctly written. If the R TO_EN bit is set to zero in t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 292 See WRITE AND VERIFY (10 ) - (2E) for description s of th e WRPROTECT , DPO, Byt eChk, Logical Block Add ress, and T ransfer Length fields. When checking of the Logical Block Reference T ag field is enab led, the Expected In it i al Logical Block Re fer ence T ag field contains the[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 293 19.59 WRITE BUFFER (3B) T able 246: WRITE BUFFER (3B) The WRITE BUFFER command is used in conjunction with the READ BUFFER command as a diagnos tic function for test- ing the memory of the drive and the SCSI bus integrity . This command does not alter the medium of the drive. Addit[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 294 19.59.1 Combined Header And Data (Mode 00000b) In this mode, the data to be transfer red is preceded by a four -byte he ader . Buffer ID must be zero. If another value is specified, no download functio n is performed and the command is terminated with Check Condition status. And th[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 295 19.59.2 Wri te Data (Mode 00010b) In this mode, the DA T A OUT phase contains buffer data. Buffer ID must be zero. If another value is specified, no download functio n is performed and the command is terminated with Check Condition status. And the drive shall set the sense key to I[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 296 19.59.3 Download Mi crocode (Mode 00100b) NOTE: It is not expected th at a customer will ever issue this f ormat of the command. In this mode, the microcode is transferre d to the control memory space of the drive. When downloaded, th e drive will operate with the newly downloaded [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 297 19.59.4 Download Micr ocode and Sa ve (Mode 00101b) -S ingle Binary File In this mode the data is transferred to the drive to save into the System reserved area on the disk. This is for functional upg rade and configuration change reflecti ng the user's requirements and the ma[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 298 19.59.5 Download Micr ocode and Save (Mode 001 1 1b) - Mult iple Binary Files In this mode the tar get receives a segmen t of the binary microcode file. The Parame ter List Length (segment length) of each segment shall be a multiple of 4K bytes. Th e total length of all segments re[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 299 19.59.6 Write Data to Ec ho Buffer (Mode 01010b) In this mode the T arget transfers data into the echo buffer . Th e echo buffer is assigned in the same manner by the T arget as it would for a WRITE operation. Data will be sent alig ned on 4-byt e boundaries. Upon successful comple[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 300 19.59.7 Enable Expander Commun ications Pr otocol (Mode 1 1010b) In this mode the drive behavior is the same as W rite Data to Echo Buffer (Mode 0101b).[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 301 19.60 WRITE LONG (3F) T able 248: WRITE LONG (3F) The WRITE LONG command requests the drive to write one block of data transferred from the Initiator . The transfer data must include •U s e r D a t a • 56 bytes of ECC data Parameters are • Logical Block Address field specifie[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 302 19.61 WRITE SAME (41) T able 249: WRITE SAME (41) The WRITE SAME command instructs the T arget to write a single block of data transfer red to the T arget from the Initiato r to a number of sequent ial logical blocks. This comman d is useful for writing large data areas without sen[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 303 19.62 WRITE SAME (16) - (93) The W rite Same command instructs the T arget to write a single block of data transferred to the T arget from the Initiator to a number of sequential logical blocks. This command is useful for writing large data areas without sending all of the data ove[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 304 19.63 WRITE SAME (32) - (7F/0D) T able 251: Write Same (32) - (7F/0D) The WRITE SAME command requests that the drive write a single block of data transf erred from the initiat or to disk for a number of sequential logical blocks. This command is usefu l fo r writ ing large data are[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 305 If the R TO_EN bit is set to zero in the READ CAP ACITY (16) parameter data, Check Con dit ion status will be returned with sense key of Illegal Request and additional sen se code of Inv a lid Command Operation Code. If R T O_EN is one, this com- mand will be p rocessed normally . [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 306[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 307 20.0 SCSI S tatus Byte Upon the completion of a command a status byte is sent to the initi ator . Additional sense information may also be available depending on the contents of the status byte. The followi ng sect ion describes the possible values for the status byte and sense dat[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 308[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 309 21.0 Additional information This chapter provides additional information or description s of various functions, features, or operati ng models supported by the T arget that are not fully de scribed in previous chapters. 21.1 Obtaining an AL_P A The SCA-2 FC-AL connector used by the[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 310 T able 253: LIxx Frame Payloads The Loop Initialization Procedure is as follo ws... 1. Select Initial AL_P A The initial AL_P A is EFh. 2. Select a Loop Master LISM frames are continuously transmitted. Th e D_ID and S_ID fields are set to 0000EFh. If a LISM frame is received which [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 31 1 The Port retransmits received ARB(F0 ) and prepares to receive the fo llowing frames , followed by CLS. a. When a LIF A frame is received, th e Port will set the bit corresponding to th e Port’ s “Fabric Assigned” AL_P A if the Port was logged-in to the local FL_Port prior t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 312 The response to certain frames at various stages of login is defined in T able 254. T able 254: Response to Frames before PLOGI or PRLI Login parameters remain in effect until reset or updated by ... • Power cycle •L I P R e s e t • Explicit Logo ut (LOG O) • Explicit Login[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 313 21.5.1 NL_Port Initialization During LIP , if the port had an AL_P A prior to the LIP , and the port had com pleted FLOGI, then the port attempts to acqui re its Fabric-assigned AL_P A during LIF A sequence. Fabric F F F NFS Client SCSI Initiator IP Host FL FL Public Loop Device Pu[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 314 a) FLOGI Required Upon completion of LIP , the port will im plici tly log out w ith the Fabric and perform FLOG I if one or more of the fol- lowing is true: • the L_bit was set to one in at l east the LISA sequence during the LIP . • the port did not acquire the AL_P A it had p[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 315 21.6 SCSI Pr otocol There are various operating conditions that prevent the T arget from executing a SCSI command. This secti on describes each of these operating conditions and their relative priority . 21.6.1 Priority of SCSI S tatus Byte Reporting After establishing the I_T_L ne[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 316 21.6.4 Command Pr ocessing During Execution of Active I/O Pr ocess When the target is not executing any I/O pr ocesses, a new I/O process is permitted to execute (unless execution is prevented by another internal target condition listed in 21.6.1, “Pri ority of SCSI Status Byte R[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 317 21.6.5 Unit Attention Condition The target generates a uni t attention condit ion when one of t he following occurs: • The targe t has been reset This includes a power-on reset or a reset caused by a T arget Reset T ask Managemen t fun ction or Reset LIP . In all of these cases, [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 318 The unit attention condition persists for each initiator until that initi ator clears the condition fro m the logical unit as des cribed below . Sev eral commands are handled as special cases durin g a unit attention con dition These cases are also discussed below . If the target r[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 319 21.6.6 Command Pr ocessing Duri ng S tartup and Format Operations If the T arget receives a command from an In itiator while the T arget is executing a star tup or format operat ion, the response of the T arget varies with the command as follows: INQUIR Y The drive sends inquiry da[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 320 21.6.9 Degraded Mode There are certain errors or conditions which may impair the ability of the drive to function normall y . Rather than fail hard th e drive is designed to be as responsive as possible. Also, in most cases, some action on the part of the initiator may be used to r[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 321 21.6.9.1 Response to SCSI Command in Degraded Mode - Disable Auto S tart The tables on the following pages show the degraded mode status with acceptabl e commands and additional sense codes T able 255: Spindle Motor Degraded Mode - Disable Auto S tart Command (w/Option) Response Re[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 322 21.6.9.2 Response to SCSI Comm and in Degraded Mode - Auto S tart Delay/ Spinning Up T able 256: Spindle Motor Degraded Mo de - Auto S tart Delay/Spinning Up Command (w/Option) Response Request Sense Executed. The T arget may return Sense Key 02h (Not Ready) ASC/ASCQ 0401h (In Proc[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 323 21.6.9.3 Response to SCSI Command in Degraded Mode - Spindle S tart Failure T able 257: Spindle Motor Degraded Mode - Spindle S tart Failure Command (w/Option) Response Request Sense Executed. The T arget may return Sense Key 02h (Not Ready) ASC/ASCQ 0400h (Start Spindle Motor Fail[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 324 21.6.9.4 Response to SCSI Comma nd in Degraded Mode - Spindle S topped by Unit S t op Command T able 258: Spindle Motor Degraded Mode - Spindle S topped by Unit S top Command Command (w/Option) Response Request Sense Executed. The T arget may return Sense Key 02h (Not Ready) ASC/AS[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 325 21.6.9.5 Self Configuratio n Failure Degraded Mode T able 2 59: Self Configura tion Failure Degraded Mode Command (w/Option) Response Request Sense Executed. The T arget may return Sense Key 02h (Not Ready) ASC/ASCQ 4080h (D iag Fai l- Bring up Fail) Sense Key 02h (Not Ready) ASC/A[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 326 21.6.9.6 Format Command Failure Degraded Mode T able 260: Format Command Failure Degraded Mode Note: Mode Page 0 byte 5 bit 4 (FDD) = 0 Command (w/Option) Response Request Sense Executed. The T arget may return Sense Key 02h (Not Ready) AS C/ASCQ 3100h (Format Corrupt ed ) Sense Ke[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 327 21.6.10 Command Proc essing while Reserved A logical unit is reserved after successful execution of the Reserve co mmand. Each time a Reserv e command is executed suc- cessfully , the T arget records the SCSI ID of the Initiator that made the reserv at ion and the SCSI ID of the In[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 328 21.8 Command Queuing When the initiator specifi es that the drive shall disable co mmand queuing, t he initiator must sen d only untagged commands. When the initiator specifies that the target shall enable co mmand queuing, the initiator may send either tagged or untagged command, [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 329 21.1 1 Write Cache If the WCE (W rite cache enable) bit is 1, the drive returns Good St atus and T ask complete message and goes to Bus Free immediately after receiving the data of the last s ector before actually writing the data onto the media. If the drive detects an error after[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 330 Following is a description o f the target behavior for each se tting of A WRE. A WRE setting effects only No Sector Found Errors on writes. AW R E = 1 : An error site determined to need reassignment during a write is automa tically reallocated at the conclu sion of the write and pr[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 331 21.13 Segmented Caching 21.13.1 Overview Segmented Caching divides the data buffer into seve ral smaller buffers . Each buf fer is used as Read/ W rite/Read-Ahead buffer . 21.13.2 Read Ahead The Read Ahead function consists of reading data that the Initiato r has not yet requested [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 332 through a 'discovery phase' with the enclosure as defined in th e SFF-8067 standard. The results of this disc overy phase det er- mine whether the enclosure: 1) does not support Enclosure Serv i ces, 2) supports only the 'sho rt' Enclosure Services m ode as defi[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 333 21.17.1 Reset Sour ces There are four sources of resets detected by the tar get: 21.17.2 Reset Actions The action taken by the drive following a reset is dependent on the source of the reset. 21.17.2.1 Power -On r eset and Self-Initiated r eset These two reset conditions cause the [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 334 6. Calibration of Actuator 7. Read/W rite test for all Heads 8. V alidation of RAM code and data table (RDM, Log, Mode Page) from the Reserved Area If Auto spin up is disabled, steps 5 - 8 will be executed by the first ST AR T ST OP UNIT comm and which has th e Start bit set. Fault[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 335 When the drive receives a SEND DIAGNOSTI C command specifying a self-test to be performed in the background mode, the drive will return status for that command as soon as the command descriptor block has been validated. After returning statu s for the SEND DIAGNOSTIC comman d sp ec[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 336 ground mode as prev iously described. T able 262: Short and Extended Self-T est Description 21.18.2.4 Background Medium Scan For a related function, see Mode Page 1C (Inform ati onal Exceptions Control), page 193 Segment Number Short Self- Te s t Extended Self-T est T est Descripti[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 337 21.19 Idle T ime Function The drive period i cally saves data in logs and PF A counters in the reserved area of the disks. The information is used by the drive to support various SCSI commands and for the purpose of failure analysis. 21.20 Command T ime out Limits The 'Command[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 338 21.20.4 Medium Access Command Time The time-out limit for medium access commands that transfer user data or non-user da ta or both should be a minimum of 30 seconds. These commands are Pre-Fetch Read Read Defect Data Seek Send Diagnostic (Function Code = 0) Read Long Reassign Block[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 339 21.21 Recommended Initiator ERP The Drive's design points for error reportin g to the system assumes cer tain system action for the error return codes. These assumptions are: 1. SCSI protocol will be the first priority in reporting errors. 2. The system will maintain a log of [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 340 21.21.2 Recommendation s for System Error Log The system error log should contain information abou t the Drive er ror that will allow recovery actions. The sy stem error logs should contain all the error info rmation returned in the sense data. At a mini mum, the following informat[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 341 21.21.3.1 Reassign a Physical Sector The Drive determines the need to reassign physical sectors based on error activity . Once a physical sector requires reassign- ment, the Drive will either reassign the physical sector, or reco mmend to the initiator t hat the LBA associated with[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 342 21.21.3.3 Reassign Blocks Recovery The Drive provides the capability to rem ove media defects without reducing c apac ity . If the mode param eter bit ARRE is active, the Drive will automatically reallocate LBA 's determined to be defective. For those LB A's where the er [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 343 21.21.4.3 Recovered Drive Err or The Initiator should log the error as soft with the recovery lev el. 21.21.4.4 Drive Not Ready The initiator should do the follo win g: 1. Issue a S tart S top Unit (1B) command. 2. V erify that the drive comes ready within the time sp ecified in Se[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 344 - Internal target failures The drive periodically adjust s the track following for each head to compen sate for expansion and contraction of the disks due to temperature changes. If on e of these adjustments fails, the drive w ill enter a degraded mode to prevent writing data off t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 345 - Good Statu s, log the error as recovered. - Abort Command Sense, verify there is no out si de cau se (e.g. power supply) for the failure. 3. Retry the failing command. 4. If the retry of the failing command completes with - Good Statu s, log the error as recovered. - Abort comman[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 346 21.21.4.1 1 Components Mismatch The compatibility test is performed at a po wer cycle. The compatibility test verifies the microcode version of the electronics. When the Drive detects the microcode versio n mismatch, the mo st likely cause is the result of incorrect parts used duri[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 347 21.21.4.14 Miscompare Recovery A miscompare can occur on a Ve r i f y ( 2 F ) comm and or a W rite and V erify (2E) with the byte check (Byt Chk) bit active. Recov- ery for a miscompare erro r is different for the two commands. V erify Command The initiator should do the follo win [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 348 21.21.4.16 Predictive Failur e Analysis The Drive performs error log analysis and will alert the initiator of a potential failure. Th e initiator should de termine if th is device is the only devi ce with error activity . If this drive is the on ly drive attached to th e initiator [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 349 22.0 SCSI Sense Data 22.1 SCSI Sense Data Format Format of the sense data returned by the dr ive in response to the REQUEST SENSE command. T able 2 65: Format of Sense Data . Byte Bit 76543210 0 V alid Error Code (70h or 71h) 1R S V D = 0 20 I L I 0 S e n s e K e y 3-6 (MSB) Inform[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 350 22.2 Sense Data Description 22.2.1 V alid (B it 7 of byte 0) 0 The Information Bytes (byte 3 throu gh 6) are not defined. 1 The Information Bytes (byte 3 throu gh 6) contain a valid logical block address. 22.2.2 Err or Code (B it 6 - 0 of byte 0) 70h Current Error . This indicates [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 351 22.2.4 Sense Key (B it 3 - 0 of byte 2) The sense key provides generi c categories in which error and excep tion conditions can be report ed . Initiators would typically use sense keys for high level error recovery procedures. 0h No Sense There is no sense key information to be rep[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 352 22.2.5 Information By tes (Byte 3 through 6) This field is only valid when V alid Bit is one. • ILI = 0: This field contains the unsigned LBA associated wi th th e sense key . The LBA reported will be within the LBA range of the command as defined in the CDB. Note: An LBA other t[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 353 22.2.8 Additional Sense Co de/Qualifier (Byte 12 and 13) The following table shows the description of the combinati on of Sense Key / Sense Code / Qualifier . V alid Sense Key , Code, Qualifier Combinations Used by the Drive. Key Code Qual Description Sense Key = No Sense 0 00 00 N[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 354 17FE Servo Recovered read/w rite abort no STM error 1 09 00 T rack Following Error 1421 Servo: Recovered track following error 1423 Servo: Recovered track follow timeout 1 0B 01 T emperature W arning Error xA02 T emperature W arning 1 0B 03 Background Selftest F ailure W arning xA0[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 355 D72B Recovered thermal asperity - reassigned 1 17 07 Recovered Data W ithout ECC - Recommend Reassignment E706 Media error with OTF correction - recommend reassign E72A Recovered thermal asperity - recommend reas sign 1 17 08 Recovered Data W ithout ECC - Recommend Rewrite E707 Med[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 356 F12A DRAM test error F132 GEM FH track read error 1201 Error in UEC class 1202 Error in UEC cause 1301 Motor: Recovered internal error 1303 Motor: Recovered Open Loop Commutation failure 1305 Motor: Recovered No feedback detected 1307 Motor: Recovered Settle timeout 1309 Motor: Rec[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 357 142D Servo: Recovered ADC Calibration error 142F Servo: Recovered ADC Offset error 1431 Servo: Recovered ADC Limit error 1433 Servo: Recovered Balancer Resistance error 1435 Servo: Recovered Balancer Resistance Limit error 1437 Servo: Recovered First Cylinder error 1439 Servo: Reco[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 358 1638 Recovered A E Non-se lected write head error 163C Recovered AE IH open short error 163E Recovered AE IH delay error 1640 Recovered Channel coarse tune timeout error 1642 Recovered AE Readback error 1712 Recovered ECC error 1716 Recovered overrun 171A Recovered ECC overrun 171C[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 359 xA32 SMAR T : Read erro r rate warning xA4A SMAR T : W rite error rate warning 1 5D 63 Predictive Failure Analysis Thr eshold Reached xA43 SMAR T : Seek error rate warning 1 5D 64 Predictive Failure Analysis Thr eshold Reached xA14 SMAR T : Spare sector availability warning 1 5D 66[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 360 3 03 00 Medium Error - W rite Fault F734 Unrecovered read/write abort F738 Unreco vered post write abort F73A Unrecovered Post PES check write abort F7E1 Servo Unrecovered read /write abort esti mator error F7E3 Servo Unrecovered read /write abort predictor error F7E5 Servo Unrecov[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 361 3 16 00 Data Synchronization Mark Err or F73C Unrecovered data address mark error 3 19 02 Defect List Error in Primary List F74B Primary de fect list error 3 19 03 Defect List Error in Gr own List F74C Grown defect list error 3 31 00 Medium Format Corrupt ed Reassign Failed F701 Fo[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 362 155E ESI: transfer failed - EDV 4 35 04 Enclosure Services Failur e - Enclosure Ser vices Refused 153D ESI: transfer refused 155A ESI: transfer refused - write ack 155B ESI: transfer refused - read ack 155C ESI: transfer refused - write ready 155D ESI: transfer refused - read ready[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 363 F125 BA TS error: Invalid RID/FID F12B BA TS error: Reserved area - invalid model F12C BA TS error: Invalid code size F12D Format Reserved: F A T size exceeded F12E Format Reserved: Insufficient DIRS good F12F Format Reserved: Insufficient F A TS good F131 Flash timeout 4 40 90 Dia[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 364 F328 Motor: Unrecovered unkown error F402 Servo: Unrecovered Requested re zero head does not exist F404 Servo: Unrecovered Back EMF movement in progress F406 Servo: Unrecovered Back EMF timeout erro r F408 Servo: Unrecovered ADC conversion timeout F40A Servo: Unrecovered Load/unloa[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 365 F60D Unrecovered data pre-PPM or FH detection F60F Unrecovered data write or pre-T A det ection F61 1 Unrecov e r ed data with pre-S MM or VM or ST M or DDF F613 Unrecovered data with NRZ parity error F615 Unrecovered parity PP correction or STW F617 Unrecovered channel error F619 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 366 F7B5 Unrecovered Shock sensor error F7B9 Unrecovered Reference tag error F7BB Unrecovered Application tag error F7BD Unrecovered Channel write synthesis unl ock error F7C1 Unrecovered En d sector check error F7C3 Unrecovered Read CRC error F7C5 Unrecovered DRAM ECC error F7C7 Unrec[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 367 5 26 00 Invalid Field in Parameter List 150E Illegal request - invalid field in parameter list 150F Saved parameter not supported 1510 Unsupported log page 5 26 02 Parameter V alue Invalid F120 BA TS error: Code compatibility failure F126 BA TS error: Code checks um error F127 BA T[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 368 151B T ranceiver changed to L VD (SCSI only ) 6 29 07 I_T Nexus Loss Occurr ed 1554 I_T Nexus Loss Occurred (SAS only) 6 2A 01 Mode Parameters Changed 151C Mode parameters changed 6 2A 02 Log Parameters Changed 151D Log parameters changed 6 2A 03 Reservations Preempted 151E Reserva[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 369 B 43 00 Message Error 152A Message reject error (SCSI only) 152C Message parity error rcvd when no messag e sent by target (SCSI only) B 44 00 Internal T arget Failure 152D Buffer CRC error on read 152E Internal tar get failure - Host Interface 154A Xfer Ready cred it exceeded (FC-[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 370 152B Attention dropped too late (SCSI only) 1533 Inappropriate or i llegal message (SCSI o nly) B 4B 00 Data Phase Error 153E Data phase error B 4B 01 Invaled T arget Port T ransfer T ag Received 1561 Information unit too short (SAS onl y) B 4B 02 T oo Much Write Data 1560 T oo muc[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 371[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 372 22.2.9 RU: Field Replaceable Unit (Byte 14) The FRU (Field Replaceable Unit) field value will always be zero. 22.2.10 Sense Key Speci fic (Byte 15 through 17) The definition of this field is determin ed by the val ue of the sense key fi el d. 22.2.10.1 Sense Key Specific - Ille gal[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 373 22.2.10.2 Sense Key Specific - Recove re d (Sense Key = 1h) or Medium (Sense Key = 3h) or Hard- ware (Sense Key = 4h) Hardware (Sense Key = 4h) or Medium Error (Sense Key = 3h) Actual Retry Count is reported. T able 2 67: Actual Retry Count SKSV Sense-key specific valid 0 Actual Re[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 374 Progress indication is returned. T able 2 68: Progress Indication SKSV Sense-key specific valid 0 Progress Indication is not valid. 1 Progress Indication i s valid. Progr ess Indication Indicates a percent comp lete in wh ich the returned value is the numerator that has 10000h as i[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 375 22.2.1 1 Reserved (Byte 18 through 19) Reserved fields ar e filled w ith zero. 22.2.12 V endor unique err or information (B yte 20 thr ough 23) This field gives detailed information abou t the error . It cont ains a unique code which describe s where the error was detected and whic[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 376[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 375 23.0 Appendix. UEC list Following is the l ist of Unit Error Codes and associated descriptions. The Unit Erro r Codes are returned by the target in sens e data bytes 20-21. The list of Unit Error Codes an d descriptions does not have a di rect correlation to the error descriptions [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 376 F1 1C BA TS#2 error: XOR test error F1 1D Incorrect Disk Code F1 1F RPO SID invalid F120 BA TS error: Code Compatibility Failure F121 BA TS error: Code downlo ad in progress F122 BA TS error: Performance data read error F123 Invalid request to enter sleep mode F124 Bring-up error F[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 377 F30A Motor: Unrecovered Gross speed error 130B Motor: Recovered 12V OK error F30C Motor: Unrecovered 12V OK error 130D Motor: Recovered Speed error F30E Motor: Unrecovered Speed error 130F Motor: Recovered Spindle Current error F310 Motor: Unrecovered Spindle Current error 131 1 Mo[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 378 F408 Servo: Unrecovered ADC conver sion timeout 1409 Serv o: Recovered Load/unload calibration error F40A Servo: Unrecovered Load/un load calibration error 140B Servo: Recovered Invalid 5 volts F40C Servo: Unrecovered Invalid 5 v olts 140D Servo: Recovered Invalid 12 volts F40E Ser[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 379 1431 S ervo: Recovered ADC Limit error F432 Servo: Unrecovered ADC Limit error 1433 Servo: Recov ered Balancer Resistance error F434 Servo: Unre covere d Balancer Resistance error 1435 Servo: Recov ered Balancer Resistance Limit error F436 Servo: Unrecovere d Balancer Resistance Li[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 380 1510 Unsupported log page 151 1 Unsupported enclosure services function (FC-AL only) 1512 Invalid message (SCSI only) 1513 S ystem buffer fu ll 1514 Not ready to ready transition 1515 Login reset (FC-AL only) 1516 Power on reset 1517 S CSI bus reset (SCSI), LIP reset (FC-AL), SAS H[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 381 153B ESI: enclosure unavailable (FC-AL only) 153C ESI: transfer failure (FC-AL only) 153D ESI: tranfer refused (FC-AL only) 153E Data phase error 153F Abort by LIP (FC-AL), Abort by OOB (SAS) 1540 Invalid release of persistent reservation 1541 Low power condition on 1542 S PC buffe[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 382 1572 LUN not ready; manu al intervention required 1573 Comman ds cleared due to power failure event (SAS) 1601 Channel/AE inte rnal logic error F602 Channel/AE hard logic error F603 Channel/AE target failure F604 Channel/AE ca libration error 1606 Recovered data with P PM or precom[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 383 F629 Unreco vered AE open write head error 162A Recovered AE write transition error F62B Unrecovered AE write transition error 162C Recovered AE no write head current error F62D Unre covered AE no wr ite head current error 162E Recovered Channel Pre-T A error F62F Unrecovered Chan [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 384 E70C Media error with offline correction - recommend rewrite E70D Media error with of fline correction - rewritten E70E Recovered Data Address Mark error - rewritten E70F Recovered Data Address Mark error - recommend rewrite D710 Recovered Data Addre ss Mark error - reassigned E71 [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 385 1737 Recovered post writ e abort F738 Unrecovered post write abort 1739 Recovered Post PES check write abort F73A Unrecovered Post PES check write abort 173B Recovered data address mark error F73C Unrecovered data address mark error 173D Recovered sector miss F73E Unrecovered secto[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 386 F77A Unrecovere d channe l SBW timeout F77D Recovery timeout 1792 Recovered Cu rrent pointer error 1794 Recovered Driv e DMA timeout error F795 Unrecovered Drive DMA timeout error 1798 Recovered ID not found error F799 Unrecovered ID not found error F7B1 Overall Comman d T imeout 1[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 387 17EA Servo Recovered read/wri te abort SID unlock error F7EB Servo Unrecovered read/wr ite abort SID unlock error 17EC Servo Recovered read/wri te abort WCS other error F7ED Servo Unrecovered read/write abort WCS other error 17EE Servo Recovered read/w rite abort hard reset F7EF Se[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 388 1A43 SMAR T : Seek error rate warning (no sense) 2A43 SMAR T : Seek error rate warning (recovered sense) 3A43 SMAR T : Seek error rate warning (unit attn sense) 1A4A SMAR T : W rite error rate warning (no sense) 2A4A SMAR T : W rite error rate warning (recovered sense) 3A4A SMAR T [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 389 Index A Abbreviations .................................................................................................................. .117 abort sequence ................................................................................................................. .5 7 abort [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 390 C capability entry(s) ............................................................................................................ 87 Caution ........................................................................................................................ .....1 class servic[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 391 Download Microcode and Save (Mode 0101b) ............................................................... 297 Drive Characteristics ........................................................................................................7 Drive Mounting ..............................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 392 FORMAT UNIT .............................................................................................................. 118 format uni t .................................................................................................................... ....118 Formatted Capacit[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 393 LOG SENSE (4D) ...........................................................................................................140 Logical Block Cache Segment Size .................................................................................185 Logout (LOGO) ........................[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 394 Operating Vibration .........................................................................................................41 ordered se t .................................................................................................................... ....55 originator proces[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 395 Q Queue Depth .................................................................................................................... 328 Queue Full Status .............................................................................................................3 28 R Random Vibra [...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 396 S S.M.A.R.T ...................................................................................................................... .. 33 Safety ......................................................................................................................... ......51 SCSI Co[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 397 Temperature Threshold ....................................................................................................173 terminate task ................................................................................................................. ..112 Terminology .........[...]

Hitachi Ultrastar 15K450 (FC-AL) Ha rd Disk Drive Specification 398 WRITE SAME (41) .........................................................................................................302 Z zero seeks ..................................................................................................................... ....161[...]

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