Quantum LTO-2 manual

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Quantum LTO-2 Half-Height Tape Drive, P/N 50002763 , B01 , July 2005 Made in U SA. Quantum Corporation provides this publication “as is ” without warranty of any kind, either express or implied, including but not limited to the implied wa rran ties of merchantability or fitness for a particular purpose. Quantum Corporation may revise this pu bl[...]

LTO-2 Half-Height Tape Drive User’s Guide iii Content s Preface xi Chapter 1 Introduction 1 Features ............ .................... ...................... .................... ....................... .............. 2 Chapter 2 Installation and Quick Start 3 Quick Start Guide ...... ....................... .................... .................[...]

Contents iv LTO-2 Half-Height Tape Drive User’s Guide Connecting a Serial Cable for Tape Libraries........................... ............. 14 Connecting a Power Cable ............. ....................... ...................... ............. 15 Installing the LTO Driver .................. ....................... ...................... ..........[...]

Contents LTO-2 Half-Height Tape Drive User’s Guide v Chapter 5 Specifications 35 Physical Specifications ......... ....................... .................... ...................... .......... 36 Power Specifications ................... .................... ...................... ....................... .... 38 Drive Performance Specifications..[...]

Contents vi LTO-2 Half-Height Tape Drive User’s Guide Finding Existing SCSI Controllers and De vices ................. .................. 58 Using the LTO-2 Half-Height Tape Drive ........................ ..................... 59 Configuring for SGI Irix ........................ ....................... ...................... ............. 6 0 Fin[...]

LTO-2 Half-Height Tape Drive User’s Guide vii Figures Figure 1 Drive Covered in this User’s Guide (Typical) .............. ............ 1 Figure 2 Internal LTO-2 Half-Height Tape Drive Jumper Settings ...... 9 Figure 3 Acceptable Mounting Orientation ........... ...................... .......... 11 Figure 4 Internal LTO-2 H alf-Height Tape Driv[...]

Figures viii LTO-2 Half-Height Tape Drive User’s Guide[...]

LTO-2 Half-Height Tape Drive User’s Guide ix T ables Table 1 SCSI IDs and Jumper Settings for LTO-2 Half-Height in Drive ...................... .................... ...................... .................... .... 10 Table 2 Serial Interface Connector Pi n Assignments .. .................... .... 15 Table 3 LTO-2 Tape Drive Blink Codes ....... ..[...]

T ables x LTO-2 Half-Height Tape Drive User’s Guide[...]

LTO-2 Half-Height Tape Drive User’s Guide xi Preface Audience This document was written for oper ators of the Quantum LTO-2 Half- Height Tape Drive. Purpose This document provides information about the Quantum LTO-2 H alf- Height Tape Driv e including: • Installing th e drive • Basic drive operations • Maintenance • Specifications • Tro[...]

Preface xii LTO-2 Half-Height Tape Drive User’s Guide • Chapter 2, Installat ion and Quick Start describes handling precautions, unpacking tips, and in stallation instructions for the internal and desktop driv es, as we ll as a summary of cabling and connector specifications. It also pr ovides quic k-start instructions for getting the drives up[...]

Preface LTO-2 Half-Height Tape Drive User’s Guide xiii Related Document s Documents related to the LTO-2 Ha lf-Height Tape Drive are shown below: SCSI-2 Spec ification 0 The SCSI-2 communications specific ation is the proposed American National Standard for information syst ems, dated March 9, 1990. Copies may be obtained from: Global Engineering[...]

Preface xiv LTO-2 Half-Height Tape Drive User’s Guide Customer Support 0 The Quantum Customer Support Department provides a 24-hour help desk that can be reached at: North/South America: (949) 725-2100 or (800) 284 -5101 Asia/Pacific Rim: (International Code) + 61 7 3839 0988 Europe/Middle East/Africa: (Interna tional Code) + 44 (0) 1256 848748 S[...]

LTO-2 Half-Height Tape Drive User’s Guide 1 Chapter 1 1 Introduction The LTO-2 Half-Height Tape Drive is a high-performance 8-channel tape drive that complies with the LTO interchange s pecifications. It is suited for mid-range to high-end servers, mainframe systems, and tape library automation systems. The LTO-2 Half- Height Tape Drive us es Ult[...]

Chapter 1 In troduction Features 2 LTO-2 Half-Height Tape Drive User’s Guide Features 1 The following list summarizes the key features of the LTO-2 Half-Height Tape Drives. • Performance - Up to 26 Mbytes-per-second native transfer. • 13-Speed Transfer matches tape dr ive speed to that of the host and optimizes data transfers, res ulting in s[...]

LTO-2 Half-Height Tape Drive User’s Guide 3 Chapter 2 2 Inst allation and Quick S tart This chapter explains how to install the internal and desktop LTO-2 Half-Height Tape Drives. Topics covered in this chapter are: • Quick Start Guide • Unpacking and Inspection • Internal Tape Drive Guidelines and Cautions • Installing an Internal LT O-2[...]

Chapter 2 In st allation a nd Quick S tart Quick S tart Guide 4 LTO-2 Half-Height Tape Drive User’s Guide Quick S t art Guide 2 Use the following quick-start instructions t o get your tape drive up and running as quickly as possible. Internal L T O-2 Half-Height T ape Drive Quick St art 2 Use the following procedure to install internal LTO-2 Half[...]

Chapter 2 Installation and Quick S tart Quick S tart Guide LTO-2 Half-Height Tape Drive User’s Guide 5 Desktop L TO-2 Half-Height T ape Drive Quick St art 2 Use the following procedure to install desktop LTO-2 Half-Height Tape Drive. Print this page and check each s tep as you c ompl ete i t. If y ou ne ed more information about a step, turn to t[...]

Chapter 2 In st allation a nd Quick S tart Unpacking and Inspection 6 LTO-2 Half-Height Tape Drive User’s Guide Unp acking and Inspection 2 Although drives are inspected and ca refully packaged at the factory, damage may occur during shipping. Follow these steps to unpack the drive. 1 Visually inspect the shipping containers and notify your carri[...]

Chapter 2 Installation and Quick S tart Drive Installation Instructions LTO-2 Half-Height Tape Drive User’s Guide 7 • Due to the speed of the LTO-2 Half-Height Tape Drive, it is recommended that a maximum of one LTO-2 drive be connected to one channel on a host SCSI adapter. Drive Inst allation Instructions 2 After unpacking and inspecting your[...]

Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 8 LTO-2 Half-Height Tape Drive User’s Guide • SCSI ID: 6 • Terminator power: disabled If you need to change these settin gs, refer to the following sections. Otherwise, skip to Mounti ng the Internal Tape Drive on page 11. SCSI ID 2 • Jumper Pin[...]

Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 9 Figure 2 Internal L TO-2 Half-H eight T ape Drive Jumper Settings SCSI ID=0 SCSI ID=1 SCSI ID=2 SCSI ID=3 SCSI ID=4 SCSI ID=5 SCSI ID=6 SCSI ID=7 SCSI ID=8 SCSI ID=9 SCSI ID=10 SCSI ID=1 1 SCSI ID=12 SCSI ID=13[...]

Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 10 LTO-2 Half-Height Tape Drive User’s Guide T able 1 SCSI IDs and Jumper Settings for L TO-2 Half-Heigh t in Drive T erminator Power 2 By default, terminator power is disabl ed on the internal LTO-2 Half-Height Tape Drive. To enable terminator power,[...]

Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 11 Mounting the Internal T ape Drive 2 You can mount the internal LTO-2 Half-Height Tape Drive either horizontally or vertically (see figure 3 ). • If you mount the drive ve rtically, the side of the drive shou[...]

Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 12 LTO-2 Half-Height Tape Drive User’s Guide Figure 4 Internal L TO- 2 Half-Height T ape Drive Mounting Dimensions INCLUDING CONNECTORS THIS HOLE M3.0 x 2.5 10.0 4X M3.0 X 5.0 0.5 47.4 52.9 79.2 2X M3.0 NEARSIDE 2X M3.0 F ARSIDE 3X 5.0 5.0 BEZEL THICK[...]

Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 13 Connecting a SCSI Cable 2 The internal LTO-2 Half-Height Tape Dr ive has an Ultra3 SCSI int erface, terminated by an LVD SCSI connector. Use the following procedure to connect a SCSI cable to this connector. 1[...]

Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 14 LTO-2 Half-Height Tape Drive User’s Guide Checking the SCSI T ermination 2 By default, the internal LTO-2 Half-Height Tape Drive does not provide SCSI terminati on. If you use this de fault setting, you must place a SCSI bus terminator or a SCSI de[...]

Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 15 T able 2 Serial Interface Conne ctor Pin Assignments Connecting a Power Cable 2 Attach a four-pin power cable to the power connector on the back of the drive. Figure 5 shows the location of the power connector[...]

Chapter 2 In st allation a nd Quick S tart Installing a Desktop L TO-2 Half-Height T ape Drive 16 LTO-2 Half-Height Tape Drive User’s Guide Inst alling a Desktop L T O-2 Half-Height T ape Drive 2 The desktop LTO-2 Half-Height Tape Drive is a compact subsystem that connects to the host computer through a SCSI port. Installing a desktop drive invol[...]

Chapter 2 Installation and Quick S tart Installing a Desktop L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 17 Checking the SCSI T ermination 2 If the desktop LTO-2 Half -Height Tape Dr ive is the las t or only device in a SCSI chain, install a 68-pin LVD te rminating plug on the unused SCSI connector. See figure 7 for t[...]

Chapter 2 In st allation a nd Quick S tart Installing a Desktop L TO-2 Half-Height T ape Drive 18 LTO-2 Half-Height Tape Drive User’s Guide Registering Y our Ta p e D r i v e 2 After you install the desktop tape drive, be s ure to register it. Registering your drive ensures that you will rece ive the latest information about your drive, as well a[...]

LTO-2 Half-Height Tape Drive User’s Guide 19 Chapter 3 3 Operation This chapter describes how to operat e the LTO-2 Half-Height Tape Drive. Topics covered in this chapter are: • Understanding the Fron t Panel Display • Blink Codes • Using LTO Cartridges • Drive Maintenance[...]

Chapter 3 Oper a ti o n Understanding the Front Panel Display 20 LTO-2 Half-Height Tape Drive User’s Guide Underst anding the Front Panel Display 3 Figure 8 shows a generalized view of th e LTO-2 Half-Height Tape Drive front-panel display. Figure 8 Generic Front Panel Display All drives have four LEDs on the front panel. The LED colors and functi[...]

Chapter 3 Operation Blink Codes LTO-2 Half-Height Tape Drive User’s Guide 21 Blink Codes 3 Table 3 below summarizes the bli nk codes for the LTO-2 Half-Height Tape Drives. T able 3 L TO-2 T ape Drive Blink Codes Drive Conditio n Activity L ED (Green) Error LED (Orange) St atus LED (Amber) Cleaning Request ON Hardware error Fast Positioning – lo[...]

Chapter 3 Oper a ti o n Using L TO Cartridges 22 LTO-2 Half-Height Tape Drive User’s Guide Using L TO Cartridges 3 Loading a Cartridge 3 To load an Ultrium cartridge into the LTO-2 Half-H eight Tape Drive, place the cartridge in the slot an d then do one of the following: • Continue to push the cartridge the rest of the way into the drive. •P[...]

Chapter 3 Operation Using L T O Cartridges LTO-2 Half-Height Tape Drive User’s Guide 23 • If you slide the switch all the way toward the cor ner (see figure 9 ), data can be read from and written to the cartridge. Figure 9 Ultrium Cartridge Showing Wr ite-Protect Switch Cartridge Care and Maintenance 3 To protect the data on your Ultrium data c[...]

Chapter 3 Oper a ti o n Drive Maintenance 24 LTO-2 Half-Height Tape Drive User’s Guide Retensioning the T ape 3 If, during storage and/or transpor tati on, a data ca rtridge has been exposed to conditions outside the ab ove range, it must be conditioned before use in the operating envir onment. The conditioning process requires exposure to the op[...]

Chapter 3 Operation Drive Maintenance LTO-2 Half-Height Tape Drive User’s Guide 25 The LTO cleaning cartridge has the same dimensions as the data cartridge and contains an LTO-CM (C artridge Memory), but is loaded with cleaning media instead of re cording media. Always keep the cleaning cartridge in its prot ective case when not in use. To clean [...]

Chapter 3 Oper a ti o n Drive Maintenance 26 LTO-2 Half-Height Tape Drive User’s Guide[...]

LTO-2 Half-Height Tape Drive User’s Guide 27 Chapter 4 4 Theory This chapter describes operational theories use d in the LT O-2 Half-Height Tape Drive. The topics covered in this chapter are: • Track Layout • Recording Method • Data Buffer • Data Integrit y • Data Compression T rack Layout 4 With the LTO-2 Half-Hei ght T ape Driv e, the[...]

Chapter 4 Theo r y T rack Layout 28 LTO-2 Half-Height Tape Drive User’s Guide • There are 4 data bands, each of which includes 128 data tracks. • The data bands are numbered 2,0,1,3. Data band 2 is closest to the bottom edge of the tape. A track group should it be: is a se t of 16 data tracks that record concurrently. The sets of 16 data trac[...]

Chapter 4 Theory Recording Method LTO-2 Half-Height Tape Drive User’s Guide 29 Recording Method 4 The LTO-2 Half-H eight Tape Drive records d ata using write-equalized (1,7) Run Length Limited (RLL) code. RLL (1,7) Data bits are defined as follows: •A ONE is represented by a flux transition at the center of a bit-cell. •A ZERO is represented [...]

Chapter 4 Theo r y Data Integrity 30 LTO-2 Half-Height Tape Drive User’s Guide There are two levels of Error Correction Coding (ECC). These two levels are orthogonal — that is, an ECC code word at one level intersects ECC codewords at the other level just once , which means there will be only one common symbol between them. The two levels are c[...]

Chapter 4 Theory Data Compression LTO-2 Half-Height Tape Drive User’s Guide 31 • For two or more known C1 codeword pairs in error, the matrix is computed by firmware and the corre ction is performed by hardware. • For one or more unknown C1 codeword pairs, syndromes are generated by hardware, error locati on is computed by firmware, the matri[...]

Chapter 4 Theo r y Data Compression 32 LTO-2 Half-Height Tape Drive User’s Guide • The same amount of information ca n be stored on a smaller length of tape. • More data can be stored on a given length of tape. • Performance can more closely parall el to that of high-transfer-rate computers. • More information can be transferred in the sa[...]

Chapter 4 Theory Data Compression LTO-2 Half-Height Tape Drive User’s Guide 33 Data compression algorithms can b e tailored to provide maximum compression for specific types of data . Because varying types of data are encountered in normal day-to-day operating circumstances, however, an effective data compression method fo r a tape dr ive must se[...]

Chapter 4 Theo r y Data Compression 34 LTO-2 Half-Height Tape Drive User’s Guide[...]

LTO-2 Half-Height Tape Drive User’s Guide 35 Chapter 5 5 S pecifications This chapter provides technical specificati ons for the LTO-2 Half-Height Tape Drive. The topics covered in this chapter are: • Physical Specifications • Power Specifications • Drive Performance Specifications • Environmental Requirements • Reliability • Mean Tim[...]

Chapter 5 Specifications Physical S pecifications 36 LTO-2 Half-Height Tape Drive User’s Guide Physical S pecifications 5 Table 4 below lists the physical specificati ons of the LTO-2 Half-Height Tape Drive. T able 4 Physical S pecifications Figure 11 shows the dimensions of the in ternal LTO--2 half-hei ght drive. Specification Internal SCSI Dri[...]

Chapter 5 S pecifications Physical S pec if ic ations LTO-2 Half-Height Tape Drive User’s Guide 37 Figure 1 1 Internal L TO-2 Half-H eight T ape Drive Dimensions 226.5 OVERALL LENGTH INCLUDING CONNECTORS THIS HOLE M3.0 x 2.5 10.0 0.5 47.4 52.9 79.2 2X M3.0 NEARSIDE 2X M3.0 F ARSIDE 3X 5.0 5.0 BEZEL THICKNESS 146.0 140.0 144.8 41.0 MAX (40.75 NOMI[...]

Chapter 5 Specifications Power S pecifications 38 LTO-2 Half-Height Tape Drive User’s Guide Power S pecifications 5 The desktop LTO-2 Half-Height Tape Drive comes with a built-in 90- 260VAC (47-63 Hz) automatic switching power supply. Maximum voltage and power specific ations for the internal LTO-2 Half-Height Tape Drive are listed in table 5 and[...]

Chapter 5 S pecifications Drive Performance S pecifications LTO-2 Half-Height Tape Drive User’s Guide 39 Drive Performance S pecifications 5 Table 7 lists the perf ormance specifications for the LTO-2 Half- Height Tape Drive. Max Continuous Operating Power (4) 25 watts RMS* Max Peak Operating Power (5) 40 watts RMS (1 sec max) Note: (1) No cartri[...]

Chapter 5 Specifications Drive Performance S pecifications 40 LTO-2 Half-Height Tape Drive User’s Guide T able 7 Drive Performance S pecification Specification V alue Capacity LTO-2 (609 m) Ultrium ty pe A (609 m) Ultrium type B (319 m) Ultrium ty pe C (203 m) Ultrium type D (87 m) 200 Gbytes (native) 100 Gbytes (native) 50 Gbytes (native) 30 Gby[...]

Chapter 5 S pecifications Environmental Requirements LTO-2 Half-Height Tape Drive User’s Guide 41 Environmental Requirement s 5 Table 8 lists the environmental specific ations for the LTO-2 Half-Height Tape Drive. T able 8 Environmen tal Requirements Average rewind time (609-m tape) > 4.5 seconds Maximum rewind time (609-m tape) < 136 secon[...]

Chapter 5 Specifications Reliability 42 LTO-2 Half-Height Tape Drive User’s Guide Injected Noise 5 The internal drive operates without degradation of error rates with 100 mV of noise injected between the ch assis and 0 V at the power connector at any frequency between 45 Hz and 20 MHz. Reliability 5 The LTO-2 Half-Height Tape Drive is designed f [...]

Chapter 5 S pecifications Mean T ime Between Fail ures LTO-2 Half-Height Tape Drive User’s Guide 43 T able 9 Reliability Mean T ime Between Failures 5 The mean time between failures (MTBF) for the int ernal drive is specified at 250,000 hours minimum. This spec ification includes all power- on an d operational time but excl udes maintenance perio[...]

Chapter 5 Specifications L TO Cartridge S pecifications 44 LTO-2 Half-Height Tape Drive User’s Guide Mean Ti me t o Replace 5 The mean time to replace (MTTR) is the average time required by a qualified service technician to diagnos e a defective drive and to install a replacement drive. The MTTR for LTO products is less than 0.5 hour (30 minutes)[...]

Chapter 5 S pecifications Regulatory Compliance LTO-2 Half-Height Tape Drive User’s Guide 45 Cartridge Memory 5 Each Ultrium cartridge ha s 4 Kbytes of nonvolatil e memory: 3 Kbytes are used to store tape-directory and hardware specific in formation. 1 Kbyte is available for application and OEM use. The cartridge memory is powered, read, and writ[...]

Chapter 5 Specifications Regulatory Compliance 46 LTO-2 Half-Height Tape Drive User’s Guide * Member nations of the IECEE incl ude Austria, Austra lia, Belgium, Canada, China (PR), Czech Republ ic, Denmark, Finland, France, Germany, Hungary, India, Ireland, Is rael, Italy, Japan, (South) Korea, Netherlands, Norway, Poland, Russia n Federation, Si[...]

Chapter 5 S pecifications Regulatory Compliance LTO-2 Half-Height Tape Drive User’s Guide 47 EMC Compliance 5 Country Regulatory Organizat ion Compliant to: United States Federal Communications Commission (FCC) Title 47: Code of Federal Regulations, Part 15, Subpart B, Class B: Digital Device (47CFR15B) Canada Industry Canada Digital Apparaus - I[...]

Chapter 5 Specifications Disposal of Electrical and Electronic Equipment 48 LTO-2 Half-Height Tape Drive User’s Guide You should also consider th e following safety points : • Install the drive in an enclosure that limits the user’s access to live parts, gives adequate system stab ility and provides the necessary grounding for the drive. • [...]

LTO-2 Half-Height Tape Drive User’s Guide 49 Chapter 6 6 UNIX Settings This chapter describes how to confi gure various UNIX systems to recognize and obtain optimal perfor mance from the LTO-2 Half-Height Tape Drive. The topics covered in this chapter are: • A Word About SCSI Controllers • Configuring for the DEC/Compaq UNIX Environment • C[...]

Chapter 6 UNIX Setting s A Word About SCSI Controllers 50 LTO-2 Half-Height Tape Drive User’s Guide A W ord About SCSI Controllers 6 The LTO-2 Half-Height Tape Drive transfers data at 40Mbytes per second, with 2:1 compression of the data. The drive supports the SCSI Ultra3 specification and can transfer data at burst rates of up to 160 Mbytes per[...]

Chapter 6 UNIX Settings Configuring for the DEC /Compaq UNIX Environment LTO-2 Half-Height Tape Drive User’s Guide 51 Configuring Digit al UNIX V ersion 4.0 and later/Co mpaq T ru64 UNIX 5.x 6 Use File Manager to open the file /e tc/ddr.dbase and create an entry as follows: SCSIDEVICE # T ype=tape Name="CERT ANCE""UL TRIUM 2" [...]

Chapter 6 UNIX Setting s Configuring for the Sun Environment (Sol aris 2.4, 2.5, 2.6, 7, 8, and 9) 52 LTO-2 Half-Height Tape Drive User’s Guide To enable th e tape driver to turn on data compress ion when writing d ata to tape use the . c . option. For commands that use density and tape size settings, the tape density is 124,000 bpi and the tape [...]

Chapter 6 UNIX Settings Configuring for the Sun Environment (Sol aris 2.4, 2.5, 2. 6, 7, 8, a nd 9) LTO-2 Half-Height Tape Drive User’s Guide 53 We recommend that the LTO-2 Half-Height Tape Drive not be attached to esp controllers. This controller is not fast enough to work with the LTO-2 Half-Height Tape Drive. The mini mum recommended controlle[...]

Chapter 6 UNIX Setting s Configurin g for the IBM AIX Enviro nment (AIX V ersion 4.1.x and later) 54 LTO-2 Half-Height Tape Drive User’s Guide • Uses Mode Sel ect Page 10h to enable/disable compression Once st.conf has been modified, the kerne l must be reconfigured by booting the system using the boot-r command. If you are replacing a tape dev[...]

Chapter 6 UNIX Settings Configuring for the IBM AIX Environment (AIX V e rsion 4.1.x and later) LTO-2 Half-Height Tape Drive User’s Guide 55 1 Enter SMIT at the Tape Drive menu by typing smit t ape 2 Select Add a tape Drive . 3 Select the type of tape drive you will be adding. Use the Other SCSI T ape Drive option. 4 Select the Parent SC SI Adapt[...]

Chapter 6 UNIX Setting s Configuring for SCO Open Server 5.0.x 56 LTO-2 Half-Height Tape Drive User’s Guide 8 Exit SMIT . Configuring for SCO Open Server 5.0.x 6 Finding Existing SCSI Controllers and Devices 6 The files /usr/adm/h wcon fig and /var/ad m/message s list the devices found during boot up of Open Server. The current SCSI controllers c[...]

Chapter 6 UNIX Settings Configuring for SCO Ope n Server 5.0.x LTO-2 Half-Height Tape Drive User’s Guide 57 This command produces output similar to: %tape type=S ha=0 id=6 lun=0 bus=0 ht=alad The information above shows that an Ad aptec SCSI controller is installed ( alad ) and a SCSI tape drive ( type=S ) is installed as target id 6. SC SI ID #7[...]

Chapter 6 UNIX Setting s Configuring for Linux 58 LTO-2 Half-Height Tape Drive User’s Guide 13 When the process takes you back to the two Main Menu screens, press q . 14 When asked to create a new kernel, enter yes . 15 When asked if you want the new kernel to boot by default pr ess y . 16 When asked if you want the kernel environment to be rebui[...]

Chapter 6 UNIX Settings Configuring fo r Li nux LTO-2 Half-Height Tape Drive User’s Guide 59 You may see output similar to: (scsi0)<Adaptec AHA-294XX Ultra2 SCSI host adapter> found at PCI 0/16/0 To find existing SCSI devices exe cute the command: cat /proc/scsi/scsi You may see output similar to: Host: scsi0 Channel: 0 Id:6 Lun:00 V endor:[...]

Chapter 6 UNIX Setting s Configuring for SGI Irix 60 LTO-2 Half-Height Tape Drive User’s Guide Configuring for SGI Irix 6 Finding Current SCSI Controllers and T arget s 6 To properly attach SCSI devices to hosts it is necessary to ensure that each target device has a unique SCSI address. The command hinv can be used to find all attached SCSI cont[...]

Chapter 6 UNIX Settings Configuring for HP-UX 1 1.0 LTO-2 Half-Height Tape Drive User’s Guide 61 M TCAN_COMPRESS, 40, 5*60, 10*60, 10*60, 3*3600, 512, 256*512, tpsc_default_dens_count, tpsc_defalt_hwg_dens_names, tpsc_default_alias_dens_names, {0}, 0, 0, 0, 0, (u_char*) 0}, After modifying the conf ig uration file, recompile the kernel with the a[...]

Chapter 6 UNIX Setting s Configuring for HP-UX 1 1.0 62 LTO-2 Half-Height Tape Drive User’s Guide Where: • x is the data under H/WPath fro m the ioscan . • y is the data under I from the ioscan. • z is the tape device identifier number. You can execute an ls command for the /dev/rmt directory to choose an identifier number that has not alre[...]

LTO-2 Half-Height Tape Drive User’s Guide 63 Chapter 7 7 T roubleshooting Guide This chapter contains best practice s for getting the most out of your LTO-2 Half-Height Tape Drive. This chapter also contains troubleshooting information you can us e to identify and resolve tape drive problems in the unlikely even you encounter a problem with your [...]

Chapter 7 T roublesh oo t in g Gui d e Installation Best Practices 64 LTO-2 Half-Height Tape Drive User’s Guide In addition, do not • Attach the tape drives to a non-LVD SCSI controller, as this will degrade the performance of the tape d rive and the performance of your backups. • Attach non-LVD SCSI devices on the same bus cable, as this wil[...]

Chapter 7 T roubleshootin g Guide T roubleshoo ting Suggestions LTO-2 Half-Height Tape Drive User’s Guide 65 En sur e th at the SCS I ca bl e is of h igh quality and conforms to Ultra 2 SCSI specifications. A l esser quality cable or a cable that does not conform to the Ultra 2 SCSI specification may cause intermittent write/read errors, SCSI tim[...]

Chapter 7 T roublesh oo t in g Gui d e T roublesho oti ng Suggestions 66 LTO-2 Half-Height Tape Drive User’s Guide •I f t h e Power LED is not illuminated, check the power connections to the tape drive Internal tape drive: 1 Power down the system and rese at the power connector on tape drive. 2 Power on the system and check the Power LED. 3 If [...]

Chapter 7 T roubleshootin g Guide T roubleshoo ting Suggestions LTO-2 Half-Height Tape Drive User’s Guide 67 6 If these suggestions do not help, the tape drive may be bad and Technical Support should be contacted. Desktop tape drive: 1 Power down system. 2 Power cycle desktop tape drive. 3 Be sure there are no SCSI ID conflict between the tape dr[...]

Chapter 7 T roublesh oo t in g Gui d e T roublesho oti ng Suggestions 68 LTO-2 Half-Height Tape Drive User’s Guide You may see output similar to: (scsi0)<Adaptec AHA-294XX Ultra2 SCSI host adapter> found at PCI 0/16/0 You may also be able to use the command: cat /proc/scsi/sc si You may see output similar to: Host: scsi0 Channel: 0 Id:6 Lun[...]

Chapter 7 T roubleshootin g Guide T roubleshoo ting Suggestions LTO-2 Half-Height Tape Drive User’s Guide 69 7 If all the LEDs are off, except po wer, a nd a tape cannot be inserted into the tape drive, examine the tape and the inside of the tape drive. • Be sure th ere are no tape labels interfering with tape insertion. • Be sure tape labels[...]

Chapter 7 T roublesh oo t in g Gui d e T roublesho oti ng Suggestions 70 LTO-2 Half-Height Tape Drive User’s Guide Y ou cannot eject the cartrid ge because the tape drive is in use. Wait until the operation is complete before ejecting the cartridge.” The backup software may still have the tape drive in prevent mode so that the cartridge cannot [...]

Chapter 7 T roubleshootin g Guide Emergency Reset and Emergency Cartridge Eje ct LTO-2 Half-Height Tape Drive User’s Guide 71 Emergency Reset and Emer gency Cartridge Eject 7 In the unlikely event the LTO- 2 Half-Height Tap e Drive stops communicating with the host computer, use the following procedure to reset the drive and eject a cartridge (if[...]

Chapter 7 T roublesh oo t in g Gui d e Problems During Backup/ Restore Operations 72 LTO-2 Half-Height Tape Drive User’s Guide 1 The Ta p e A l e r t message or backup log shows, “The operation has stopped because an error has occurred while reading or writing data which the drive cannot correct.” A media error occurred during write or read o[...]

Chapter 7 T roubleshootin g Guide Problems During Backup/Resto re Operations LTO-2 Half-Height Tape Drive User’s Guide 73 7 If the backup fails, use the diag nostic software to perform a write/ read test of 4GB of data. The current data on the tape WILL B E OVERWRITTEN. ALL PREVIOUSL Y WR ITTEN DA T A ON THE T APE WILL BE DESTROYED . If the tape [...]

Chapter 7 T roublesh oo t in g Gui d e Problems During Backup/ Restore Operations 74 LTO-2 Half-Height Tape Drive User’s Guide c Restart the operation. Or “The tape drive has a hardware fault”: a T urn the tape drive off and then on again. b Restart the operation. c If the problem persists, call the tape drive supplier helpline. Check the tap[...]

Chapter 7 T roubleshootin g Guide Problems During Backup/Resto re Operations LTO-2 Half-Height Tape Drive User’s Guide 75 This message means the tape drive does not recognize the cleaning tape as being of a valid type. Yo u may have purchased a cleaning tape that is not supported by the tape drive. Purchase a supported cleaning tape. If the tape [...]

Chapter 7 T roublesh oo t in g Gui d e Problems During Backup/ Restore Operations 76 LTO-2 Half-Height Tape Drive User’s Guide The method of performing the backup s can also be a factor in “slow” backups. Data sent to the tape drive over a ne twork connection and delays in data transfer over a ne twork connection can cause backups to slow dow[...]

LTO-2 Half-Height Tape Drive User’s Guide 77 Index A AIX 4.1 settings 54 B Backup/restore problems 71 Best practices 63 blink codes 21 C Cartridges care and maintenance 23 ejecting 71 loading 22 specifications 44 troubleshooting 68 unloading 22 write-protecting 22 , 73 Cautions, internal drives 6 Checking SCSI termination desktop drives 17 intern[...]

Index 78 LTO-2 Half-Height Tape Drive User’s Guide considerations 32 intelligen t 33 data compression 31 Data integrity 29 error-correction code 29 servo-tracking faults 31 DEC/Comp aq Unix setting s 50 Desktop drives checking SCSI termination 17 connecting a power cable 17 connecting a SCSI cabl e 16 installation instructions 16 installing the L[...]

Index LTO-2 Half-Height Tape Drive User’s Guide 79 L Layout of track 27 Linux setti ngs 58 Loading a cartridge 22 M Mean time between failure s 43 Method of recording 29 Mounting internal drive 11 O Overview 1 P Physical specificat ions 36 Power cable connection desktop drives 17 internal drives 15 Power specificatio ns 38 Q Quick start desktop d[...]

Index 80 LTO-2 Half-Height Tape Drive User’s Guide T Tape drive cleaning 24 registering 15 , 18 Tape drive not recognized by operating system or application 67 Tape drive troubleshooting 68 Tape will not eject from drive 69 TapeAlert messages 73 Terminator power internal drives 10 Track layout 27 Troubleshooting 65 backup/restore problems 71 Comp[...]