NStor Technologies CR8e manual

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nStor Corporation, Inc . © 1996-1998 nStor Corporation, Inc ., All Rights R eserved. 3rd Edition nStor Corporation, Inc . shall not be liable for any damages or for the loss of any information resulting fr om the performance or use of the information contained herein. Y our rights to the softwar e are gov erned by the license agreement included wi[...]

Regulator y Information FCC Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device , pursuant to P art 15 of the FCC rules. These limits are designed to pr ovide reasonable pr otection against harmful interference in a r esidential installation. This equipment generates[...]

Power Cord Selection ■ This subsystem is intended for indoor use only . ■ This subsystem is intended to be plugged into a 6A branch cir cuit in Europe . ■ T o select the proper power cor d: F or 1 1 0 V olt Operation – Use a UL Listed/CSA Labeled cor d set consisting of a minimum 18 A W G, type SVT or SJT three conductor cor d, terminating [...]

i Contents Preface v Welcome v Features vi Where to Find Answers vii Registering Your Product vii 1 Getting Started 1 CR8e Subsystem at a Glance 2 Components 4 Hot Swap Disk Drives 4 Hot Swap Cooling Fans 4 Hot Swap Power Supplies 5 Power Switch 5 Door Lock 5 I/O Interface Card 6 Power Cord Connector and Fuse 6 Configuration Modules 7 Controlling a[...]

Contents ii 2 Installation 13 Setup 13 System Requirements 14 Guidelines 14 Rack-Mount Subsystem Assembly 15 Component Installation 17 Cabling Configuration 20 General 20 Ultra Wide SCSI Mode 22 Fast Wide SCSI Mode 26 Other Configurations 36 3 Using the CR8e 37 Notifications and Error Conditions 37 Power-On Self Test 37 Firmware Error Conditions 38[...]

Contents iii Replacing a Fuse 62 Replacing the CR8e Cabinet 63 A Glossary 65 B Technical Information 69 Specifications 69 Connectors and Jumpers 70 Connectors 70 Jumpers 72 Index 77[...]

Contents iv[...]

v Preface W elcome Congratulations on the pur chase of your ne w CR8e from nStor Corpor ation. The nStor CR8e pro vides a superior fault-tolerant netw ork storage solution in a subsystem-based SAF-TE compliant RAID enclosur e . The CR8e is an eight drive enclosur e designed to support Ultra Wide SCSI (F ast-20) and F ast Wide SCSI protocols. The Ul[...]

Preface Features vi Features The following ar e major features of the nStor CR8e disk arr ay subsystem: RAID Le v el Support RAID lev els 0, 1, 3, 5, 1 0 (1 + 0) , 30, and 50. Configuration Deskside tow er-based subsystem or rack-mount subsystem. Driv e Support Up to eight 3.5-inch, half-height form factor , hot swappable high performance 7,200 an[...]

Preface Where to Find Answers vii Where to Find Answers When you ha ve questions about y our nStor products ther e are se ver al places you can look to find answers. R efer to the follo wing: In this guide This user’s guide provides detailed information for installing and using the CR8e disk arra y subsystem. The manual assumes that the reader i[...]

Preface Registering Your Product viii[...]

1 1 Getting Started In this chapter we will pr ovide a description of the components, and the contr ol and onboard monitoring systems found in the CR8e enclosur e . On the next tw o pages are illustr ations that depicts the location of featured components of the CR8e . F amiliarize yourself with the subsystem’s components and their descriptions p[...]

Getting Started CR8e Subsystem at a Glance 2 CR8e Subsystem at a Glance Channel Mode LED Power Supply LED Fan Status LED Status Indicator LEDs Note: LEDs normally visible only when illuminated, shown here for identification. Activity LEDs Operator Control Panel (OCP) Speaker Door Lock Power-On LED Status Indicator LEDs Status LEDs Rear Door Fastene[...]

Getting Started CR8e Subsystem at a Glance 3 Power Supply #1 * “DC Good” LED Power Supply #2 * I/O Interface Card I/O Interface Card Cooling Fan #1 * Cooling Fan #2 * Power Supply #3 * with PSU Cover Plate Hard Disk Drive Note: Cover shown cut-away to illustrate recessed power switch. Drive Rails Fault LEDs Power On/Off Switch SAF-TE Card Bay f[...]

Getting Started Components 4 Components This section pro vides a descriptive o vervie w of each of the major components that comprise the CR8e subsystem. Hot Swap Disk Drives The CR8e uses either 4.2 gigabyte , 9.1 gigabyte , or 18.2 gigab yte high performance , 3.5-inch form factor hot swap disk driv es. The drives are designed to oper ate on the [...]

Getting Started Hot Swap Power Supplies 5 If an error occurs, access the Oper ator Control P anel to determine the cause and locate the failed component. F or mor e information, see Operator Contr ol P anel on page 40. The fans are identifi ed on the r ear door panel using a placard for “F AN 1” and “F AN 2.” F or more information on chang[...]

Getting Started I/O Interface Card 6 I/O Interface Card The I/O Interface card pr ovides the connection fr om the subsystem’s bus to the host adapter . Located on the I/O Interface card ar e two 68-pin very high density (VHD) SCSI connectors. The connectors are labeled Channel 0 and Channel 1. The I/O Interface card incorpor ates built-in automat[...]

Getting Started Configuration Modules 7 Configuration Modules CAUTION: Configuration modules must be installed or r eplaced by qualified service personnel only . The CR8e’s SCSI bus design pro vides either of two bus configur ations which is determined by the configur ation module installed. The Dual-Bus module pro vides a split bus configu[...]

Getting Started Controlling and Monitoring 8 Controlling and Monitoring An integral part of the CR8e is its contr ol and monitor capabilities. The subsystem enclosure contains a series of r edundant alert notifications in the form of LEDs, alarms, and an LCD Operator Contr ol P anel. Each of these components ar e discuss in the following topics. O[...]

Getting Started LEDs 9 An animated icon will appear on the display after 30 seconds of no OCP input activity and pro vides an “ at-a-glance” look at system status. When a “happy” animated face appears, all systems are indicating a nominal state . When the animated face changes to a “sad” face , the system indicates that a problem has be[...]

Getting Started LEDs 10 P o wer Supply Status The P ow er Supply Status LED indicates the condition of the po w er supplies. The LED will illuminate steady green when all the po wer supplies ar e functioning normally and will change to amber if one of the pow er supplies should fail. The LED will also switch to amber if the pow er system is in a no[...]

Getting Started Alarm Speaker 11 Alarm Speaker An audible alarm will sound when any component’s condition changes to an abnormal state . The Status Indicator LEDs conditions (color and/or state) will pro vide a general ar ea of failure , and the failed component can then be identified using the Operator Contr ol P anel. T o silence the alarm, ac[...]

Getting Started SAF-TE Card 12 Disk drives, po wer supplies, cooling fans and temper ature ar e continually monitored and these conditions ar e then reported o ver the SCSI bus to the host system. When used in conjunction with the A dminiStor Storage Management softw ar e , the CR8e can alert the user or LAN administr ator of conditions requiring t[...]

2 13 Installation Setup The installation of your nStor CR8e disk arr ay subsystem is essentially a three-step pr ocess: the subsystem is setup and its components installed, the cabling is completed based on the supported configurations, and the arr ay is then configured. This chapter is divided into two sections: Setup and Cabling Configur ation[...]

Installation System Requirements 14 System Requirements The nStor CR8e disk subsystem is based on an open architectur e design and can be connected to any host-based SCSI system. R efer to y our adapter/controller and host system user’s manuals for information about the system requir ements for the host system where the contr oller will be instal[...]

Installation Rack-Mount Subsystem Assembly 15 Rack-Mount Subsystem Assembly Y ou can install the CR8e into any standar d IAE 19" rack cabinet. CAUTION: Ensure that the location of the CR8e does not cr eate an unstable condition when installed in the rack cabinet enclosur e . NOTE: Mount the subsystem into the rack enclosur e before installing [...]

Installation Rack-Mount Subsystem Assembly 16 2 T o aide in support brack et installation, remov e the rack cabinet side panels. 3 Locate the two support br ackets. Mount the tw o brack ets to the rack cabinet verticals using the four scr ews, four w ashers, and four caged nuts pro vided for each brack et. R efer to detail “ A ” in the illustra[...]

Installation Component Installation 17 Component Installation CAUTION: Disk drives and printed cir cuit board components ar e sensitive to electrostatic dischar ge . T o prev ent operating failur e or damage , observe the follo wing: Establish a ground for y ourself by using the wrist grounding str ap, or by touching the metal chassis prior to hand[...]

Installation Component Installation 18 6 Fully seat the drive b y applying pressur e with your thumb to the fr ont of the drive . 7 Press the Driv e Latching Clips until they “snap” into place . The drive is no w locked into position. 8 Install the remaining driv es repeating steps 3 thr ough 7, until all the drives hav e been installed, as des[...]

Installation Component Installation 19 Installing the Third Power Supply If you will be installing fiv e (5) or more disk driv es you will be r equired to install the third po wer supply . CAUTION: P ow er supply installation is to be performed by qualified service personnel only . Ther e is no need to power off the CR8e or the computer system. T[...]

Installation Cabling Configuration 20 Cabling Configuration The Ultra Wide SCSI mode pr ovides enhanced performances with data tr ansfers up to 40 MBs per second (20 MHz), while the F ast Wide SCSI mode will pro vide transfers up to 20 MBs per second (1 0 MHz). The cabling configuration section is divided into tw o subsections, Ultra Wide SCSI an[...]

Installation General 21 Because of the enhancements in the CR8e , its possible to e xtend be yond the limits set forth in the specification. H owever, a symptom from ex ceeding this cable limit is a SCSI bus lockup or “freeze .” If y ou experience a similar problem and ar e aw are of a cabling limit issue , reducing the length of cabling and r[...]

Installation Ultra Wide SCSI Mode 22 Ultra Wide SCSI Mode Sev eral possible configur ations exist for the CR8e in Ultr a Wide SCSI mode . Howeve r this manual will discuss the two possible configurations using the I/O Interface card in Ultr a Wide SCSI mode: dual-bus module in a single enclosure and single-bus module in a single enclosure . R efe[...]

Installation Ultra Wide SCSI Mode 23 2 Connect the other end of the data cable to the Channel #0 SCSI connector on the right side or upper I/O Interface card. 3 If requir ed, connect one end of the second one meter data cable to the Channel #2 connector on the AM RAID Controller . 4 Connect the other end of the second data cable to the Channel #1 S[...]

Installation Ultra Wide SCSI Mode 24 Single-Bus Enclosure With the Single-Bus module is installed, all of the disk drives in the CR8e enclosure ar e on the same SCSI bus. With this configuration y ou will hav e a total storage capacity of up to 145 GB (using 18 GB disk driv es) per subsystem enclosure and ha ve access to the driv es independently [...]

Installation Ultra Wide SCSI Mode 25 3 Turn on the pow er to the CR8e . After the power-on self-test has completed, Status and Channel Mode LEDs will be solid green. 4 A ccess the Options menu on the Operator Contr ol P anel and choose the SAFTE CHAIN ID selection. Choose the “None” selection, r efer to “SAFTE CHAIN ID” on page 50. 5 After [...]

Installation Fast Wide SCSI Mode 26 Fast Wide SCSI Mode Sev eral possible configur ations exist for the CR8e in the F ast Wide SCSI mode: dual-bus with one or two enclosur es, single-bus with one or two enclosur es, and one dual-bus enclosure with tw o single-bus enclosures connected. When configuring a dual-bus enclosure subsystem with an AM RAI[...]

Installation Fast Wide SCSI Mode 27 2 Connect the other end of the first data cable to the Channel #0 SCSI connector on the right side or upper I/O Interface card. 3 If requir ed, connect one end of the second one meter data cable to the Channel #2 connector on the AM RAID Controller . 4 Connect the other end of the second data cable to the Channe[...]

Installation Fast Wide SCSI Mode 28 T wo Dual-Bus Enclosures With this configuration y ou will hav e a total storage capacity of up to 290 GB (using 18 GB disk drives) which pr ovides 145 GB per channel per subsystem enclosure . This configuration is similar to the “Single Dual-Bus Enclosur e” ex cept that the capacity is expanded with a seco[...]

Installation Fast Wide SCSI Mode 29 6 Connect the other end of the jumper cable to the Channel #0 SCSI connector on the left side or low er I/O Interface card in the second cabinet. 7 Connect one end of a second jumper cable to the Channel #1 SCSI connector on the left side or low er I/O Interface card in the first cabinet. 8 Connect the other end[...]

Installation Fast Wide SCSI Mode 30 Single-Bus Enclosure With the Single-Bus module is installed, all of the disk driv es in the CR8e enclosure ar e on the same SCSI bus. With this configur ation you will ha ve a total storage capacity of up to 145 GB (using 18 GB disk driv es) per subsystem enclosure and ha ve access to the driv es independently [...]

Installation Fast Wide SCSI Mode 31 3 Turn on the pow er to the CR8e . After the power-on self-test has completed, Status and Channel Mode LEDs will be solid green. 4 A ccess the Options menu on the Operator Contr ol P anel and choose the SAFTE CHAIN ID selection. Choose the “None” selection, r efer to “SAFTE CHAIN ID” on page 50. 5 After s[...]

Installation Fast Wide SCSI Mode 32 T wo Single-Bus Enclosures This configuration is similar to the “Single-Bus Enclosur e” ex cept that the capacity is expanded with a second cabinet pr oviding a total of fourteen driv es per SCSI channel. In this configuration a total of 16 SCSI IDs ar e av ailable , one ID is consumed by the AM RAID Contro[...]

Installation Fast Wide SCSI Mode 33 4 Connect the other end of the jumper cable to the Channel #0 SCSI connector on the left side or low er I/O Interface card in the second cabinet. NOTE: SCSI termination is automatic and requir es no user configuration. R efer to “T ermination” on page 2 1 for information on systems using DEC F ault bus proto[...]

Installation Fast Wide SCSI Mode 34 A Dual-Bus Enclosure with T wo Single-Bus Enclosures With this configuration y ou will be able to expand the capacity of each SCSI channel of a Dual-Bus enclosure b y adding a Single-Bus enclosure to each channel. This pro vides up to twelv e driv es per SCSI channel for a total capacity of 2 18 GB (using 18 GB [...]

Installation Fast Wide SCSI Mode 35 6 Connect the other end of the first jumper cable to the Channel #0 SCSI connector on the left side or low er I/O Interface card installed in the Single-Bus enclosure (Sla ve #1). 7 Connect one end of a second jumper cable to the Channel #1 SCSI connector on the left side or low er I/O Interface card installed i[...]

Installation Other Configurations 36 Other Configurations There ar e many possible combinations of contr ollers and cabling schemes when configuring the CR8e subsystem enclosures. The sample configur ations in the pre vious sections pro vide the basic configurations. H owever , the CR8e is based on an open-architectur e expandable subsystem and[...]

3 37 Using the CR8e In this chapter y ou will find information on the subsystem’s enclosur e notifications systems, and the pr oper use and operation of the Oper ator Control P anel. Notifications and Error Conditions When the CR8e subsystem has pow ered applied, it will perform a pow er on self- test (POST) procedur e . During the POST operat[...]

Using the CR8e Firmware Error Conditions 38 Firmware Error Conditions NO TE: None of the following err or conditions will compromise the data integrity on the CR8e drives. Any of these failur es listed below will gener ate the follo wing: Channel Mode LED blinks amber eight times and the alarm will sound eight tones. After the tones hav e sounded t[...]

Using the CR8e LED Descriptions 39 All drive LEDs will illuminate solid gr een regar dless of the error conditions. The CR8e needs to be serviced if this error occurs consistently and is not clear ed by cy cling the pow er on the CR8e . Contact nStor T echnical Support. NO TE: The CR8e subsystem will not respond to the firm ware if this err or occ[...]

Using the CR8e Operator Control Panel 40 Operator Control Panel In this section you will find an e xplanation of the Operator Contr ol P anel screen displays, as w ell as a description and subsequent procedur es for using each of the OCP menu functions. Startup Screens The following ar e sample screens that could occur during the startup POST oper[...]

Using the CR8e Power Supply Error Conditions 41 Power Supply Error Conditions During normal operation, an ytime one of the requir ed number of pow er supplies becomes inoperativ e , you will hear a continuous alarm and a warning message will appear on the display . This message is simply a notification that the state of the pow er system is no lon[...]

Using the CR8e Main Menu 42 Main Menu From the Main Menu selection the follo wing options are a vailable: ■ Turn off the audible alarm ■ Select the hardw are menu ■ Select the options menu T o access the Main menu, press the Menu button. Use the up and do wn arrow buttons to make y our selection and press the Enter button. Hardware Menu From [...]

Using the CR8e Main Menu 43 Component Status The Component Status menu pro vides a view of the po wer supplies and fans installed in the CR8e and their current status. Component status can be either OK, Missing, or F ailed. 1 If you r eceive a Har dwar e Error , access the Main menu and choose the Hardw are Menu . 2 Use the up/down arr ow buttons t[...]

Using the CR8e Main Menu 44 1 T o view the curr ent enclosure configuration, access the Main menu and choose Hardw are Menu . 2 Use the up/down arr ow buttons to select Configur ation Inf o and press the Enter button. 3 Use the up/down arr ow buttons scr olling to view the curr ent configuration. 4 Press the Escape button to r eturn to the pr ev[...]

Using the CR8e Main Menu 45 1 T o view the POST r esults, access the Main menu and choose Hardw ar e Menu . 2 Use the up/down arr ow buttons to select P ost R esults and press the Enter button. 3 Use the up/down arr ow buttons scr olling to view the complete POST r esults lists. 4 Press the Escape button to r eturn to the pr evious menu or the Menu[...]

Using the CR8e Options Menu 46 Options Menu From the Options Menu the follo wing are a vailable: ■ SCSI ID Menu ■ Heat Threshold ■ SAFTE Chain ID ■ Change P asscode ■ Unlock Options SCSI ID Menu From the SCSI ID Menu y ou can set SCSI IDs for drives attached to each of the SCSI channels (low er slot and upper slot), and set the CR8e S AF-[...]

Using the CR8e Options Menu 47 4 Use the up/down arr ow buttons to mak e your SCSI ID gr oup selection and press the Enter button. Note the flashing set of IDs, if present. These will be the gr oup currently configured. 5 Press the Escape button twice or the Menu button to r eturn to the Main “Status OK” screen, then po wer cy cle the host co[...]

Using the CR8e Options Menu 48 NO TE: When the SAF-TE car d is set to off bus, LEDs and other error r eporting are not driv en by the subsystem’s off bus S AF-TE card, but ar e reported and controlled fr om the “Master” subsystem’s SAF-TE car d. Reset Default IDs Selection Choosing the “R eset Default IDs” option will r eset all subsyst[...]

Using the CR8e Heat Threshold 49 Heat Threshold NO TE: The Heat Threshold v alue is pre-set at the factory and should not be changed unless directed b y nStor T echnical Support. The default setting is 1 16 ° F/47.°C. Choose the Heat Threshold Menu to change the temper ature v alue for the thermal monitoring system. If the temperatur e ex ceeds t[...]

Using the CR8e SAFTE CHAIN ID 50 SAFTE CHAIN ID This option allows the administr ator to establish the intercabinet S AF-TE communication to support a master and slav e cabinets. The master cabinet can report component failur e for both the master cabinet and up to two sla ve cabinets to the A dminiStor Storage Management softw ar e . Each cabinet?[...]

Using the CR8e Change Passcode 51 Change Passcode This option allows the administr ator to create or change a passcode that will protect access to all the items under the selections SCSI ID Menu, Heat Threshold, and Change P asscode . 1 Use the up/down arr o w buttons to select Change P asscode and press the Enter button. 2 Use the up/down arr ow b[...]

Using the CR8e Unlock Options 52 Unlock Options This option allows the administr ator to unlock the items found under the SCSI ID Menu, Heat Threshold, and Change P asscode selections. This enables the user to change these values and pr otects these values fr om being changed by those not authorized to do so. 1 T o change the Unlock Options, access[...]

4 53 T roubleshooting This chapter pro vides solutions for some of the problems y ou may encounter while using the CR8e subsystem. Common Enclosure Problems Symptom R eason Solution F ails to power on. P ower cor d not connected properly . P ower not a vailable at the outlet. P ower switch not in the proper position. F aulty fuse . F aulty power co[...]

Troubleshooting Common SCSI Bus Problems 54 Common SCSI Bus Problems SCSI Bus problems can usually be attributed to cabling issues or faulty I/O Interface cards. R efer to the chart on the follo wing page to revie w troublshooting and fault isolation procedur es to assist you in identifying the suspect component. Operator Contr ol P anel display in[...]

Troubleshooting Common SCSI Bus Problems 55 SCSI Bus Symptom Probable Cause Solution SCSI Bus hangs, SCSI Bus ex cessive r etries, and/or drives dr op offline . F aulty connectivity . F aulty I/O Interface card. R e-check the cables to the I/O Interface card and host adapter . Depending on how man y subsystem are connected on the SCSI bus, you wil[...]

Troubleshooting Common Problems and Interpreting the LED Indications 56 Common Problems and Interpreting the LED Indications LED Status R eason Solution Status Indicator LEDs not functioning properly . SCSI data cable not properly connected. V erify that the SCSI data cable is properly connected to the CR8e SCSI-2 connector and to the controller ca[...]

5 57 Maintenance In this chapter you will find the maintenance pr ocedures to r eplace individual components, as well as the entir e subsystem enclosure . Replacing a Disk Drive CAUTION: Drives and printed cir cuit board components ar e sensitive to electrostatic dischar ge . T o prev ent operating failur e or damage , observe the follo wing: Esta[...]

Maintenance Replacing a Power Supply 58 5 Insert the drive into the driv e ba y by aligning its rails into the driv e ba y slots, component side tow ard the right (r ack) or down (to wer). Seat the driv e by applying pressur e with your thumb to the fr ont of the drive . 6 Press the Driv e Latching Clips until they “snap” into place . 7 Using t[...]

Maintenance Replacing a Power Supply 59 NOTE: When locating the failed pow er supply , the “DC Good” LED will be OFF . 2 Using a flat-blade scre wdriv er , loosen the rear door access scre w . Open the door to gain access to pow er supplies #1 and #2. If you ar e replacing the #3 po wer supply , loosen the two PSU Cov er Plate scre ws. R emove[...]

Maintenance Replacing the Cooling Fans 60 Replacing the Cooling Fans CAUTION: Cooling fans must be replaced b y qualified service personnel only . NOTE: There is no need to po wer off the CR8e or the computer system. The cooling fans are hot sw appable . 1 Use the Operator Contr ol P anel to identify the failed fan, refer to the illustration belo [...]

Maintenance Replacing an I/O Interface Card 61 5 R emov e the new cooling fan from the shipping carton and inspect the shipment. Sav e the packaging material. 6 With the fan guard facing to war d the inside of the cabinet, slide the new fan into its housing. 7 R econnect the fan’s pow er cable connector . The connector is key ed and will install [...]

Maintenance Replacing a Fuse 62 3 Loosen the two thumb scr ews that secur es the card. 4 Insert the new I/O Interface car d and tighten the thumb scre ws. Do not ov ertighten the fasteners. 5 Using the packaging materials fr om the replacement car d, repack age the failed card and r eturn it to nStor Corporation. R efer to the nStor R esource Guide[...]

Maintenance Replacing the CR8e Cabinet 63 3 Using the tip of your finger nail, ease the holder away fro m the unit. 4 Once remo ved, separ ate the fuse from the holder . 5 R eplace the fuse with one of identical type and rating (250V 1 0A). 6 Insert the fuse into the holder . 7 Insert the fuse holder into the unit and secure it. Push in while turn[...]

Maintenance Replacing the CR8e Cabinet 64 8 If you ha ve a thir d pow er supply installed in the old subsystem, remo ve it and install the PSU into the new enclosur e . 9 R econnect and secure the po wer cord and data cables. 10 Install the drives into the ne w cabinet enclosure in e xactly the same or der as they w ere in the old subsystem. 11 P o[...]

A 65 Glossar y The following terms ar e used throughout this manual and ma y be helpful background information on the technology . Asynchronous Operations Oper ations that bear no r elationship to each other in time and can ov erlap. The concept of asynchronous I/O operations is centr al to independent access arra ys in throughput-intensiv e applic[...]

Glossary 66 Disk Mirroring Data written to one disk drive is simultaneously written to another disk drive . If one disk fails, the other disk can be used to run the system and reconstruct the failed disk. Disk Spanning Sev eral disks appear as one large disk using this technology . This virtual disk can then store data acr oss disks with ease witho[...]

Glossary 67 P artition An arra y virtual disk made up of logical disks rather than physical ones. Also called logical v olume . Physical Drive A physical arr a y (or driv e) is a collection of physical disks gov erned by the RAID management softw are . A physical drive appears to the host computer as one or mor e logical drives. RAID (R edundant Ar[...]

Glossary 68 SAF-TE Is the acron ym for SCSI A ccessed F ault-T olerant Enclosures. It is a monitoring and communication specification dev eloped by Conner ( n Stor) and Intel for sending and receiving serv er and storage system status information via the SCSI bus. Session R efers to the period of time between an y two consecutive system shutdowns.[...]

B 69 T echnical Information SPECIFICATIONS CR8e Operating Envir onment 40 ° F to 94 ° F (+5 ° C to +34 ° C) R elative Humidity Operating/Non-Oper ating 5% - 95% (non-condensing) P ow er R equirements 1 00 - 240 V A C (auto-sensing) 50-60 Hz 6.0 Amperes 3 x 150 watts R ack Mount System Dimensions (HxWxD) w/o Handles T ow er-Based System Dimensio[...]

Technical Information Connectors and Jumpers 70 CONNECTORS AND JUMPERS This section pro vides information about the connector pinouts on the termination interface card and jumper settings on the backplane printed cir cuit board for y our nStor CR8e subsystem. Connectors Located on each termination interface card ar e two VDH SCSI connectors. The y [...]

Technical Information Connectors 71 +DB(15) 4 7 – DB(15) 38 8 +DB(P1) 5 9 – DB(P1) 39 1 0 +DB(0) 6 1 1 – DB(0) 40 12 +DB(1) 7 13 – DB(1) 41 14 +DB(2) 8 15 – DB(2) 42 16 +DB(3) 9 17 – DB(3) 43 18 +DB(4) 1 0 19 – DB(4) 44 20 +DB(5) 1 1 21 – DB(5) 45 22 +DB(6) 12 23 – DB(6) 46 24 +DB(7) 13 25 – DB(7) 47 26 +DB(P) 14 27 – DB(P) 48[...]

Technical Information Jumpers 72 Jumpers CAUTION: Jumper configuration to be performed b y qualified service personnel only . Disconnect the A C pow er cord prior to accessing any component inside the r ear cabinet. Located on the backplane printed circuit boar d are six jumper blocks. Fr om these jumpers system integrators can manually configur[...]

Technical Information JP2 (SCSI-to-SCSI Configuration) 73 JP2 (SCSI-to-SCSI Configuration) CAUTION: Jumper configuration to be performed by qualified service personnel only . This jumper (JP2) is used to place the SCSI-to-SCSI RAID controller in a configuration that is kno wn to the CR8e subsystem. This pr ocess is accomplished by adding jumper[...]

Technical Information JP4 (SCSI ID Settings) 74 JP4 (SCSI ID Settings) CAUTION: Jumper configuration must be performed by qualified service personnel only . These jumpers (JP4) are used to manually set the SCSI IDs for all of the disk driv e slots. JP4 is an eight position dual-ro w header . The tables for Drives 1, 2, 3, 4, and Driv es 5, 6, 7, [...]

Technical Information JP5 (SCA Remote/Delay start) 75 JP5 (SCA Remote/Delay start) CAUTION: Jumper configuration to be performed by qualified service personnel only . The spin-up of the drive slots is determined b y adding jumpers to JP5. JP5 is a two position dual-ro w header . P osition 1 & 2 control the “Delay ed_Start” signal and posi[...]

Technical Information J15 (FAN) and J17 (OEM FAN) 76 J15 (F AN) and J17 (OEM F AN) CAUTION: Jumper configuration to be performed by qualified service personnel only . There ar e two separ ate fan connectors that are located at J15 and J17. F an connector J15 is used when a SAF-TE car d is pr esent in the CR8e . When the fans are plugged into J15,[...]

77 A Activity LEDs 10 Animated icon 41 Audible Alarm 3 B Backplane 72 C Cables 20 Cabling Configuration 20 Change Passcode 51 Channel Mode LED 9 Component Installation 17 Component Status 43 Components Activity LEDs 10 Audible Alarm 3 Channel Mode LED 9 Configuration Modules 7 Cooling Fans 4 Door Lock 5 Fan Status LED 10 Fault LEDs 11 Hot Swappable[...]

Index 78 Fan Status LED 10 Fast SCSI 20 Dual-Bus Module (Single Cabinet) 26 Dual-Bus Module (Two Cabinets) 28 Dual-Bus Module Cabinet w/Two Single-Bus Module Cabinets 34 Single-Bus Module (Single Cabinet) 30 Fast Wide SCSI 20 Fast Wide SCSI Mode 26 Fast Wide SCSI mode 20 Fast-20 20 Firmware Error Conditions 38 Firmware information 43 Fuse 6 Replace[...]

Index 79 Registration vii Replacing a Drive 57 Replacing a Fuse 62 Replacing a Power Supply 58 Replacing the Cooling Fans 60 Replacing the CR8e Cabinet 63 Reset Default IDs Selection 48 Resource Guide vii ROM Checksum 38 S SAF-TE 68 SAFTE CHAIN ID 50 SCSI Access 37 SCSI Accessed Fault-Tolerant Enclosure 11 SCSI Bus Access Failure 38 SCSI Bus Hangs [...]

Index 80[...]