3000 Family FRU Installation Guide

Sun Microsystems Incwwwsuncom

Submit comments about this document at httpwwwsuncomhwdocsfeedback

Sun StorEdgetrade 3000 FamilyFRU Installation Guide

Sun StorEdge 3310 SCSI Array

Sun StorEdge 3510 FC Array

Part No 816-7326-15October 2003 Revision A

PleaseRecycle

Sun Microsystems Inc and Dot Hill Systems Corporation may have intellectual property rights relating to technology embodied in this productor document In particular and without limitation these intellectual property rights may include one or more of the US patents listed athttpwwwsuncompatents and one or more additional patents or pending patent applications in the US and other countries

This product or document is distributed under licenses restricting its use copying distribution and decompilation No part of this product ordocument may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any

Third-party software is copyrighted and licensed from Sun suppliers

Parts of the product may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark inthe US and in other countries exclusively licensed through XOpen Company Ltd

Sun Sun Microsystems the Sun logo Sun StorEdge AnswerBook2 docssuncom and Solaris are trademarks or registered trademarks of SunMicrosystems Inc in the US and in other countries

US Government RightsmdashCommercial use Government users are subject to the Sun Microsystems Inc standard license agreement andapplicable provisions of the FAR and its supplements

DOCUMENTATION IS PROVIDED ldquoAS ISrdquo AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIESINCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENTARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID

Copyright copy 2002ndash2003 Dot Hill Systems Corporation 6305 El Camino Real Carlsbad Californie 92009 Etats-Unis Tous droits reacuteserveacutes

Sun Microsystems Inc et Dot Hill Systems Corporation peuvent avoir les droits de proprieacuteteacute intellectuels relatants agrave la technologie incorporeacuteedans le produit qui est deacutecrit dans ce document En particulier et sans la limitation ces droits de proprieacuteteacute intellectuels peuvent inclure un ouplus des brevets ameacutericains eacutenumeacutereacutes agrave httpwwwsuncompatents et un ou les brevets plus suppleacutementaires ou les applications de breveten attente dans les Etats-Unis et dans les autres pays

Ce produit ou document est proteacutegeacute par un copyright et distribueacute avec des licences qui en restreignent lrsquoutilisation la copie la distribution et ladeacutecompilation Aucune partie de ce produit ou document ne peut ecirctre reproduite sous aucune forme par quelque moyen que ce soit sanslautorisation preacutealable et eacutecrite de Sun et de ses bailleurs de licence srsquoil y ena

Le logiciel deacutetenu par des tiers et qui comprend la technologie relative aux polices de caractegraveres est proteacutegeacute par un copyright et licencieacute par desfournisseurs de Sun

Des parties de ce produit pourront ecirctre deacuteriveacutees des systegravemes Berkeley BSD licencieacutes par lrsquoUniversiteacute de Californie UNIX est une marquedeacuteposeacutee aux Etats-Unis et dans drsquoautres pays et licencieacutee exclusivement par XOpen Company Ltd

Sun Sun Microsystems le logo Sun Sun StorEdge AnswerBook2 docssuncom et Solaris sont des marques de fabrique ou des marquesdeacuteposeacutees de Sun Microsystems Inc aux Etats-Unis et dans drsquoautres pays

LA DOCUMENTATION EST FOURNIE ldquoEN LrsquoEacuteTATrdquo ET TOUTES AUTRES CONDITIONS CONDITIONS DECLARATIONS ETGARANTIES EXPRESSES OU TACITES SONT FORMELLEMENT EXCLUES DANS LA MESURE AUTORISEE PAR LA LOI APPLICABLEY COMPRIS NOTAMMENT TOUTE GARANTIE IMPLICITE RELATIVE A LA QUALITE MARCHANDE A LAPTITUDE A UNEUTILISATION PARTICULIERE OU A LrsquoABSENCE DE CONTREFACcedilON

Contents

1 Sun StorEdge 3000 Family FRUs 1ndash1

11 Available FRUs 1ndash1

12 Static Electricity and Other Precautions 1ndash4

2 Disk Drive Air Management Sled and Tabletop Cover FRUs 2ndash1

21 Replacing a Disk Drive 2ndash2

211 Identifying the Defective Disk Drive 2ndash2

212 Removing a Defective Disk Drive 2ndash4

213 Installing a New Disk Drive 2ndash5

214 Scanning the New Drive and Related Procedures 2ndash6

22 Installing an Air Management Sled 2ndash9

23 Converting a Rack-Ready Array to a Tabletop Array 2ndash9

232 Converting a Tabletop Array to a Rack-Ready Array 2ndash12

3 Power and Fan Module FRUs 3ndash1

31 Replacing an AC Power SupplyFan Module 3ndash1

311 Removing an AC Power SupplyFan Module 3ndash2

312 Installing an AC Power SupplyFan Module 3ndash2

32 Replacing a DC Power SupplyFan Module 3ndash3

321 Removing a DC Power SupplyFan Module 3ndash3

322 Installing an DC Power SupplyFan Module 3ndash4

4 Battery FRUs 4ndash1

41 Battery Dating Information 4ndash1

42 Replacing a Battery 4ndash3

421 Replacing an FC Battery 4ndash3

422 Replacing a SCSI Battery 4ndash5

5 FC Module FRUs 5ndash1

51 Replacing an IO Controller Module 5ndash1

511 Saving the Configuration Settings to NVRAM 5ndash2

512 Removing an IO Controller Module 5ndash2

513 Installing an IO Controller Module 5ndash4

514 Converting a Dual-Controller Array to a Single Controller Array5ndash4

515 IO Controller Replacement for a Single-Controller or Powered-OffArray 5ndash5

52 Replacing IO Expansion Modules 5ndash5

521 Removing the IO Expansion Module 5ndash6

522 Installing the IO Expansion Module 5ndash6

53 SES Firmware Update Sometimes Required with IO Controller ModuleReplacements 5ndash7

54 Installing Small Form-Factor Pluggable Transceivers 5ndash8

55 Installing a RAIDExpansion Chassis FRU 5ndash9

56 Converting an FC JBOD to an FC RAID Array 5ndash12

6 SCSI Module FRUs 6ndash1

61 Replacing a SCSI Controller Module 6ndash2

612 Removing a SCSI Controller Module 6ndash2

iv Sun StorEdge 3000 Family FRU Installation Guide bull October 2003

613 Installing a SCSI Controller Module 6ndash2

614 Replacing a Single-Controller Array or Powered Off Array 6ndash3

62 Replacing SCSI IO Modules 6ndash4

621 Installing Gaskets If Needed 6ndash4

622 Removing the SCSI IO Module 6ndash4

623 Installing a SCSI IO Module 6ndash5

63 Replacing the SCSI Terminator Module 6ndash6

631 Removing the SCSI Terminator Module 6ndash6

632 Installing a Terminator Module 6ndash7

64 Replacing the EMU Module 6ndash8

641 Removing an EMU Module 6ndash8

642 Installing an EMU Module 6ndash9

66 Special JBOD Usage With External Terminators 6ndash12

661 External Terminators for Special Dual-Bus JBOD Maintenance 6ndash13

662 Older JBOD Dual-Bus Configurations 6ndash14

67 Installing a Filler Panel on a SCSI Array 6ndash17

Index Indexndash1

Contents v

vi Sun StorEdge 3000 Family FRU Installation Guide bull October 2003

CHAPTER 1

Sun StorEdge 3000 Family FRUs

This document provides instructions for removing and installing field-replaceableunits (FRUs) in Sun StorEdgetrade 3510 FC arrays and Sun StorEdge 3310 SCSI arraysInstructions are also included for FRUs that are common to the Sun StorEdge 3510FC and 3310 SCSI arrays These FRU components can be replaced by customers orby Sun service representatives

This chapter covers the following topics

ldquoAvailable FRUsrdquo on page 1-1 ldquoStatic Electricity and Other Precautionsrdquo on page 1-4

Removal and installation instructions are provided for the following FRUs

Disk drives Power and fan modules Card modules Special-use FRUs such as batteries

11 Available FRUsMost FRUs are hot-swappable except for a few modules that are hot-serviceableHot-serviceable means that the module can be replaced while the array and hosts arepowered up but the connected hosts must be inactive

Caution ndash Please follow the FRU procedures carefully to ensure successful FRUreplacement

The following table lists the FRUs that are currently available For additional FRUsconsult your sales representative or the Sun web sites

Refer to the Sun StorEdge 3000 Family Rack Installation Guide for rack kit installationinstructions

1 FRUs used by the Sun StorEdge 3310 SCSI and 3510 FC arrays

TABLE 1-1 List of Available FRUs for the Sun StorEdge 3510 FC Array

FRU Model Number Description

F370-5535-01 Box 2U FC Chassis + Backplane (RAIDJBOD)

F370-5545-01 Battery FC 2U

F370-5540-02 Cable FC 15 Ft (5 meter) expansion

F370-5537-01 IO wSES and RAID Controller FC 1GB memory battery 2U

F370-5538-01 IO wSES JBOD FC 2U

F370-5398-011 AC power supplyfan module 2U

XTA-3310-DC-Kit1 DC power supplyfan module 2U

XTA-3510-36GB-15K Drive module 36 GB FC 15K RPM

XTA-3000-AMBS1 Air Management Sled

XSFP-SW-2GB SFP 2G SW 850 NM FC TRANS

XSFP-LW-2GB SFP 2G LW 1310 NM FC TRANS

XTA-3310-RK-19S 1 Kit rackmount 2U 19-in wide 22- to 28-in deep

XTA-3310-RK-19L 1 Kit rackmount 2U 19-in wide 28- to 36-in deep

XTA-3310-RK-19C 1 Kit Telco rackmount center mount 2U 19-in wide

XTA-3310-RK-19F 1 Kit Telco rackmount flush mount 2U 19-in wide

1-2 Sun StorEdge 3000 Family FRU Installation Guide bull October 2003

TABLE 1-2 List of Available FRUs for the Sun StorEdge 3310 SCSI Array

F370-5394-01 Event monitoring unit

F370-5396-01 IO module LVD expansion unit or JBOD

F370-5397-01 IO module LVD RAID

F370-5403-01 Controller module 512 memory battery 2U LVD

F370-5399-01 Terminator module

F370-5398-01AC AC power and fan module 2U

F370-5527-01DC DC power and fan module 2U

F370-5533-01 Battery LVD

F370-5405-01 Cable LVD 1-foot jumper

F370-5528-01 Cable LVD 15-foot expansion

F370-5393-01 Box 2U JBOD LVD

F370-5524-01 Box 2U RAID LVD

XTA-3310-36GB-10K Drive module 36 GB LVD 10K RPM

XTA-3310-DC-KIT Power and fan module 2U DC

XTA-3310-RK-19M Kit rackmount 2U 19-in wide 18- to 28-in deep

XTA-3310-RK-19L Kit Rackmount 2U 19-in wide 28- to 36-in deep

XTA-3310-RK-19C Kit Telco rackmount center mount 2U 19-in wide

XTA-3310-RK-19F Kit Telco rackmount flush mount 2U 19-in wide

Chapter 1 Sun StorEdge 3000 Family FRUs 1-3

12 Static Electricity and Other PrecautionsFollow these steps to prevent damaging the FRUs

Remove plastic vinyl and foam from the work area

Before handling a FRU discharge any static electricity by touching a groundsurface

Wear an antistatic wrist strip

Do not remove a FRU from its antistatic protective bag until you are ready toinstall it

When removing a FRU from the array immediately place it in an antistatic bagand in antistatic packaging

Handle a FRU only by its edges and avoid touching the circuitry

Do not slide a FRU over any surface

Limit body movement (which builds up static electricity) during FRU installation

Caution ndash To prevent any possibility of data loss it is strongly recommended thatyou back up the data prior to removing disk drives

Caution ndash Do not remove a defective module unless you have a replacement FRUmodule to immediately replace the defective module If you remove a module anddo not replace it you alter the air flow inside the chassis and could overheat thechassis as a result

CHAPTER 2

Disk Drive Air Management Sledand Tabletop Cover FRUs

This chapter provides instructions for removing and installing disk drive airmanagement sled and tabletop cover FRUs and covers the following topics

ldquoReplacing a Disk Driverdquo on page 2-2

ldquoIdentifying the Defective Disk Driverdquo on page 2-2

ldquoRemoving a Defective Disk Driverdquo on page 2-4

ldquoInstalling a New Disk Driverdquo on page 2-5

ldquoScanning the New Drive and Related Proceduresrdquo on page 2-6 ldquoScanning the New Driverdquo on page 2-6 ldquoChecking and Performing the Correct Powerup Sequencerdquo on page 2-7 ldquoAssigning a Disk Drive as a Sparerdquo on page 2-8 ldquoIf the Logical Drive Status is REBUILDINGrdquo on page 2-8

ldquoInstalling an Air Management Sledrdquo on page 2-9

ldquoConverting a Rack-Ready Array to a Tabletop Arrayrdquo on page 2-9 ldquoConverting a Rack-Ready Array to a Tabletop Arrayrdquo on page 2-10 ldquoConverting a Tabletop Array to a Rack-Ready Arrayrdquo on page 2-12

21 Replacing a Disk DriveTo replace a disk drive you first remove the defective disk drive and then install areplacement drive The drive module is hot-swappable it is replaced while the arrayis powered on

FIGURE 2-1 The Front View of a Drive Module Pulled Out of the Chassis

211 Identifying the Defective Disk DriveBefore replacing a disk drive perform the following steps to ensure that you haveidentified the correct defective disk for removal

1 Examine the back of the RAID Array and any attached expansion units andrecord the cable connections

2 Prepare the array for the disk replacement

Handle pin

Chassis notch

Thumbscrew

Drive handle

a From the Main Menu select ldquoview and edit Configuration parametersrdquo thenselect ldquoDrive-side SCSI Parametersrdquo

b Set the option Periodic Drive Check Time to 5 seconds then confirm Yes whenprompted

3 Find the Channel number and SCSI target ID combination (ie Chl 0 ID 4) of thedefective disk drive to be replaced

a From the Main Menu select ldquoview and edit scsi Drivesrdquo

b Locate the disk drive that has a status of BAD or FAILED in the Status column

Write down the Channel number and SCSI target ID of the defective disk drivefrom the Chl and ID columns

Write down the number of the associated logical drive as shown in the LG_DRVcolumn that the defective disk drive is a member of

4 Physically locate the defective disk drive with its Chl and ID numbers

Refer to your Sun StorEdge Array Installation Operation and Service Manual fordescriptions of ID locations

Caution ndash Failure to identify the correct disk drive may result in replacing thewrong disk drive and could cause a loss of data Be sure that you have identified thecorrect disk drive It is strongly recommended that you back up the data prior toremoving disks

5 If you are uncertain about the drive location of the defective drive check yourinstallation manual for drive ID locations the following steps

Note ndash The following steps only work if there is no IO activity

a On the Main Menu select ldquoview and edit scsi Drivesrdquo and press Return

b Select the drive you want to identify and press Return

c Select the ldquoIdentifying scsi driverdquo function

d Select ldquoflash all But selected driverdquo to flash the activity LEDs of all of thedrives in the drive channel except the problem drive and press Return

Chapter 2 Disk Drive Air Management Sled and Tabletop Cover FRUs 2-3

FIGURE 2-2 Identify Drive Option with Flashing LEDs on Drives

The readwrite LED of a failed hard drive does not light

e Confirm your choice by pressing Return and selecting ldquoYesrdquo

212 Removing a Defective Disk Drive

Caution ndash Failure to identify the correct disk drive may result in replacing thewrong disk drive and could cause a loss of data Be sure that you have identified thecorrect disk drive

Note ndash A newly installed disk drive automatically rebuilds with the correct paritydata and association with logical drive if a functioning global or spare drive hasremained in the chassis Therefore do not remove and replace all drives at one timeIf more than one drive fails in a logical drive (except RAID 1+0) then the logicaldrive fails data is lost and the logical drive must be rebuilt

Remove the defective disk drive with the following steps

1 Unlock the locks with the provided key and gently pull the plastic front bezelaway from the front of the unit so that it drops down and is supported by the twohinged brackets on the sides

2 Turn the thumbscrew counterclockwise several full turns until the thumbscrewand drive module are loosened

3 Gently pull the release handle upward

4 Pull the drive module out until the drive connector has fully disconnected fromthe midplane

5 Wait 20 seconds for the drive to stop spinning and then remove it from the chassis

213 Installing a New Disk DriveTo install the replacement disk drive perform the following steps

1 Gently slide the drive module into the drive slot until the handle pins slip intothe chassis notch

2 Lower the disk drive handle until it is vertical

3 Press and hold the drive handle in while you press the thumbscrew in until itengages the threads

4 Turn the thumbscrew clockwise until it is finger-tight

5 Push the plastic front bezel onto the front of the unit until it is seated firmly anduse the key to lock the locks

6 If the replaced drive is in a JBOD directly attached to a server perform anyoperations your host software requires to recognize the new drive and bring itunder software control

7 Go to ldquoScanning the New Drive and Related Proceduresrdquo on page 2-6

214 Scanning the New Drive and Related Procedures

2141 Scanning the New Drive

After you have replaced a disk drive perform the following steps

1 Check to see if drive was automatically scanned onto the bus

b Check that the drive status of the disk drive

The status field will specify NEW_DRV or USED_DRV until it is assigned as aGLOBAL or LOCAL spare with STAND-BY status

2 If the disk drive was not automatically scanned scan the replaced disk drive intothe configuration with the following steps

a From the Main Menu select ldquoview and edit scsi Drivesrdquo Select any disk drivein the list press Return

b Select ldquoScan scsi driverdquo and press Return Select the Channel number then theID number of the replaced disk drive and confirm Yes when prompted

c Verify that the message ldquoScanned SCSI drive successfullyrdquo is displayed

3 From the Main Menu select ldquoview and edit Logical drivesrdquo and use the followingtable to continue

TABLE 2-1 Decision Table for Selecting Disk Drive Procedure

If this drive status occurs Perform this task

If the target logical drive status is GOOD the sparedisk has successfully protected it and is nowintegrated into the logical drive and thereplacement disk drive is available to be assigned

Go to ldquoAssigning a Disk Drive as a Sparerdquo on page 2-8

If the target logical drive status is FATAL FAIL andtwo or more disk drives have failed

All data in the logical drive is lost Rebuild the logicaldrive and restore backup data

The logical drive status of DRV ABSENT orINCOMPLETE only occur at chassis powerupDRV ABSENT indicates that one drive is badINCOMPLETE indicates that two or more drivesare bad

Go to ldquoChecking and Performing the Correct PowerupSequencerdquo on page 2-7

If the target logical drive status is DRV FAILED If this occurs after a new drive has replaced the defectivedrive indicates a bad midplane Replace the chassis

If the target logical drive status is REBUILDING Go to ldquoIf the Logical Drive Status is REBUILDINGrdquo onpage 2-8

2142 Checking and Performing the Correct Powerup Sequence

Review the power-up sequence which you most recently used with the array If youare uncertain about the powerup sequence used repeat the power-up sequence inthe following order and see if it changes the logical drive status to GOOD

1 Power up the arrays and associated server as follows

Expansion unit(s) first RAID array next Host server(s) last (if they had been powered down for maintenance purposes)

2 Check the logical drive status in the ldquoview and edit Logical driverdquo window If thestatus is GOOD no further steps are needed

3 If the logical drive status is INCOMPLETE two or more disk drives have faileddata is lost and you have to rebuild a new logical drive

4 If the logical drive status is DRV ABSENT replace the defective disk drive andassign it as a global spare See ldquoAssigning a Disk Drive as a Sparerdquo on page 2-8

5 If the logical drive status is DRV ABSENT and the drive replacement is delayedtry to recover the defective drive so that it is operational during the wait periodand you can make a full backup of the data

a On the firmware main menu select ldquoview and edit Configuration parametersrdquoand press Return

b Select ldquoDrive-side SCSI Parametersrdquo and press Return

c Select ldquoDisk Access Delay Timerdquo and press Return

d Change the value to 60 seconds and press Return

e Select Yes to confirm the setting

f Reboot the array

g Check the logical drive status in the ldquoview and edit Logical driverdquo window

If the status is GOOD the drive has recovered and the logical drive is no longer ina critical state The original defective disk drive should work correctly for a timebut should still be replaced

If the status is DRV ABSENT or DRV FAILED replace the drive as quickly aspossible

h Back up the logical drive data onto another storage medium

2143 Assigning a Disk Drive as a Spare

1 From the Main Menu select ldquoview and edit scsi Drivesrdquo

2 Select the replaced disk drive and press Return (its LG_DRV membership shouldbe NONE or an empty field)

3 Select ldquoAdd global spare driverdquo Select the target logical drive then confirm Yeswhen prompted

4 Disable Periodic Drive Check Time

From the Main Menu select ldquoview and edit Configuration parametersrdquo then selectldquoDrive-side SCSI Parametersrdquo

Set the option Periodic Drive Check Time to Disabled then confirm Yes Thisprocedure is now complete

2144 If the Logical Drive Status is REBUILDING

The rebuilding process refers to the rebuilding of the logical drive in which the datafrom the defective disk drive is moved onto the global spare

When you see the REBUILDING status perform one of the two followingprocedures

Wait until the rebuild process is completed then replace the defective disk driveThe benefit is that the logical drive is fully restored before you replace thedefective drive This eliminates the possibility of lost data if the wrong drive isremoved

Replace the defective drive and make it a global spare while the rebuildingprocess continues

This procedure installs the new drive and assigns it as a global spare so thatautomatic rebuild of a logical drive will occur if a drive fails on any other logicaldrive on the array

Note ndash If a disk drive fails on another logical drive prior to the assignment of a newglobal spare you will have to manually rebuild the logical drive

22 Installing an Air Management SledAn air management sled looks identical to the disk drive module however it is anempty box and is used to maintain optimum airflow in a chassis

If you have removed a disk drive and do not replace it you can insert an airmanagement sled to maintain the optimum airflow inside the chassis You can installthe air management sled by using the same procedure as ldquoInstalling a New DiskDriverdquo on page 2-5

23 Converting a Rack-Ready Array to aTabletop ArrayYou can make a rack-ready array into a tabletop array or make a tabletop array intoa rack-ready array These procedures require attaching or removing a tabletop coveralso known as a tabletop skin See FIGURE 2-3

FIGURE 2-3 Tabletop Cover

Screw holes in the rear center back

Holes to attach to chassis ears

(Front view of tabletop cover)

231 Converting a Rack-Ready Array to a TabletopArrayPerform the following steps to convert a rackmounted or rack-ready array to atabletop array

1 If attached remove the bezel front cover by pulling it forward and downwardThen press the right bezel arm (hinge) towards the left side to release it from thechassis hole and the left hinge will release also Note the location of the chassisbezel holes on each ear

2 Remove the caps from the front left and right ears of the array by squeezing theleft and right sides of each cap and pressing the cap so that you turn the capinward towards the center of the array until it is free

3 Remove the array from the rack if it is rackmounted with the following steps If itis not rackmounted proceed with step 4

a Remove the screws which attach the front ears to the rack and which attach thearray to the rear brackets of the rack

b Slide the array out of the rack

c Remove the screws which attach the side rails to the array and store the railsand related screws elsewhere

4 On the top of the array remove the top two rear center screws with a Phillips No1 screwdriver and discard these screws

5 Slide the rear of the array into the front of the tabletop cover until the front of thearray is flush with the front of the tabletop cover See FIGURE 2-4

Note ndash As you slide the array into the cover keep the rear of the array tilted slightlyupward to avoid bumping the edge of the array on the metal feet of the cover

6 Loosely attach the front of the tabletop cover to the front ears of the array withtwo 10-32 x 14-inch Phillips panhead screws on each side See FIGURE 2-5

7 Attach the top center rear of the tabletop cover to the array with two new blackflathead 4-40 x 14-inch screws and a Phillips No 1 screwdriver

8 Tighten the front screws (in step 6) with a Phillips No 2 screwdriver

FIGURE 2-4 Sliding the Chassis Into the Tabletop Cover

FIGURE 2-5 Attaching the Chassis Ears to the Tabletop Cover

Rear of array

Front of tabletop cover

Front of array

Screws to attach the cover to the chassis ears

Chassis ear LEDs

9 Put the caps back onto the ears

a Align the top and bottom edges of each cap with the top and bottom edges ofeach chassis ear

b While holding the side of the chassis with one hand push the cap onto the earwith the other hand Be sure to place the cap with LED labels on the right ear

Caution ndash Do not use force when placing a cap on an ear

10 Insert the bezel arms into the chassis holes and then lift and push the bezel ontothe front of the chassis until it clicks and is secure

232 Converting a Tabletop Array to a Rack-ReadyArrayPerform the following steps to convert a tabletop array to a rack-ready array

2 Remove the caps from the front left and right ears of the array by squeezing andpressing each cap towards the center of the chassis until it is free

3 Remove the 10-32 x 14-inch Phillips panhead screws which attach the tabletopcover to the array with a Phillips No 2 screwdriver and discard these screws

4 On the top of the array remove the top two rear center black flathead 4-40 x 14-inch screws with a Phillips No 1 screwdriver and keep these screws

5 Pull the front of the chassis until the chassis is completely removed from thetabletop cover

6 Re-insert and secure the two black screws from step 4 into the top center rear ofthe rack-ready array with a Phillips No 1 screwdriver

7 Follow the rack kit installation instructions of the rackmount kit to install thearray into a rack After the array is mounted in the rack you can re-install the capsonto the ears and the bezel onto the front of the array these steps are alsoincluded in the rack kit instructions

CHAPTER 3

Power and Fan Module FRUs

Topics covered in this chapter are

ldquoReplacing an AC Power SupplyFan Modulerdquo on page 3-1 ldquoRemoving an AC Power SupplyFan Modulerdquo on page 3-2 ldquoInstalling an AC Power SupplyFan Modulerdquo on page 3-2

ldquoReplacing a DC Power SupplyFan Modulerdquo on page 3-3 ldquoRemoving a DC Power SupplyFan Modulerdquo on page 3-3 ldquoInstalling an DC Power SupplyFan Modulerdquo on page 3-4

The following power specifications apply to the power supply and fan modules

31 Replacing an AC Power SupplyFanModule

Caution ndash To avoid damage to equipment do not remove a power supplyfanmodule without a working replacement

TABLE 3-1 Power Specifications

AC power Voltage and frequency 90 to 264 VAC 47 to 63 Hz

Input current 5A max

Power-supply output voltages +5 VDC and +12 VDC

DC power ndash48V DC (ndash36 VDC to ndash72 VDC)

311 Removing an AC Power SupplyFan Module1 Be sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4

2 Turn off the power and then remove the AC cord locks (if applicable) and thepower cable

3 Turn the thumbscrew at the top of the power supply latch counterclockwise untilthe thumbscrew is disengaged from the power supply

FIGURE 3-1 The Power Supply Partially Pulled out of the Chassis

4 Pull the latch forward about 45 degrees to disconnect the power supplyfanmodule from the midplane

5 Use the power supply handle to pull the power supplyfan module out of thechassis

312 Installing an AC Power SupplyFan Module1 Slide the new module into the fan and power supply slot

2 Push the latch back so that the power supply is fully inserted into the chassis

3 Turn the thumbscrew at the top of the power supply latch clockwise until it isfinger-tight to secure the module

Thumbscrew

Handle

Note ndash To ensure that a thumbscrew is finger-tight tighten it with a screwdriverand then loosen the thumbscrew counterclockwise a quarter-turn

4 Attach the power cable and reinstall the AC cord locks if applicable

5 Turn the power back on

32 Replacing a DC Power SupplyFanModule

321 Removing a DC Power SupplyFan Module1 Be sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4 Turn off

the power disconnect the power cable from the DC source and remove the powercable from the array

2 Turn off the power on the power supply to be removed

3 Use a flatblade screwdriver to loosen the two screws that secure the power cableto the power supply and then disconnect the cable from the supply

Chapter 3 Power and Fan Module FRUs 3-3

322 Installing an DC Power SupplyFan Module1 Slide the new module into the fan and power supply slot

4 Connect the DC power cable to the DC source

Note ndash Use only DC power cables provided with the array

Check the DC cable part number and wire labels carefully before connecting thecable to the source (see the table below) GND = Chassis Ground

5 To extend the length of the DC power cable as needed Strip the last 14-inch ofthe cable insert it into a provided Panduit tube and crimp the tube

6 Attach the power cable to the array

7 Turn the power on

TABLE 3-2 DC Cable Wiring

Cable 35-00000148 Cable 35-00000156

Pin Voltage Color Pin Voltage Color

A3 Return Red A3 L+ White

A2 GND Greenyellow A2 GND Greenyellow

A1 -48V Black A1 L- White

CHAPTER 4

Battery FRUs

This chapter provides instructions for removing and installing batteries and batterymodules The FC arrays have an independent battery module located above eachIO module The SCSI arrays contain a battery on each controller module

The battery dating information is the same for all batteries

ldquoBattery Dating Informationrdquo on page 4-1 ldquoReplacing a Batteryrdquo on page 4-3

ldquoReplacing an FC Batteryrdquo on page 4-3 ldquoReplacing a SCSI Batteryrdquo on page 4-5

41 Battery Dating InformationThe battery modules display a serial numberpart number label whose placementon the battery is shown in FIGURE 4-1

Below the top bar code is a seven-digit code that indicates the place of manufacturefollowed by a dash (ndash) followed by a four-digit code that indicates the date ofmanufacture followed by a six-digit supplier-assigned serial number

In FIGURE 4-1 the example date of battery manufacture is indicated by ldquo0240rdquo whereldquo02rdquo is the year of manufacture and ldquo40rdquo is the week of manufacture If a batterydoes not have a serial numberpart number label the manufacture date for thebattery is August 2002

FIGURE 4-1 Battery Label Example for the Sun StorEdge 3310 SCSI Array

FIGURE 4-2 Battery Label Example for the Sun StorEdge 3510 FC Array

In FIGURE 4-1 the number below the bottom bar code is the part number (forexample 3705555ndash04)

Note ndash A battery should be changed every two years if the unit is operatedcontinuously at an ambient temperature of 25 degrees Celsius (77 degreesFahrenheit) and yearly if the unit is operated continuously at an ambienttemperature of 35 degrees Celsius (95 degrees Fahrenheit) or higher The shelf life fora replacement battery is three years

0000044ndash02403000001

3705555-04

Date code of manufacture

Battery

Serial number

FRU ID

Battery

Part number

Serial number 0000043-0303000274

66-0000005750

42 Replacing a BatteryThis section explains how to remove an existing battery and install a new batteryThe following procedures are guidelines for replacing batteries in SCSI and FCarrays

421 Replacing an FC BatteryTo replace a FC array battery perform the following steps

1 Turn the thumbscrews on the left and right sides of a battery module for the FCarray counterclockwise until the thumbscrews are disengaged from the chassis

2 Hold the thumbscrews and pull out the battery module to check the battery date

3 To replace the battery pull out the battery module completely and disconnect thebattery connector from the battery module

FIGURE 4-3 Battery Module Removed From the Chassis

Chapter 4 Battery FRUs 4-3

FIGURE 4-4 Battery Connector Disconnected From the Battery Module

4 Remove the battery screws on the underside of the module to release the batteryfrom the battery module similar to the screw removal shown in FIGURE 4-7

5 Lift out the battery

6 Insert the new battery and attach the battery connector to the battery module withthe screws that you previously removed

7 Reinsert the battery module into the array and tighten the module thumbscrewsfirmly to secure the module

422 Replacing a SCSI BatteryTo replace a SCSI array battery perform the following steps (refer to FIGURE 4-5through FIGURE 4-9)

1 Turn the thumbscrews on the left and right sides of the controller module thatcontains the battery counterclockwise until the thumbscrews are disengaged fromthe chassis

3 To replace the battery pull out the controller module completely and disconnectthe battery connector from the controller module

4 With a screwdriver remove the battery screws to release the battery from thebattery module

6 Insert the new battery and attach the battery connector to the controller module

7 With a screwdriver attach the battery to the controller with the screws that youpreviously removed

8 reinsert the controller module into the array and tighten the thumbscrews firmlyto secure the module

Caution ndash If you plan to replace the batteries in both controllers you must completeall the preceding steps for the first controller and battery before performing the stepsfor the second controller otherwise the array disconnects and goes offline

FIGURE 4-5 The Battery and Connector in a SCSI Array

Battery Connector

FIGURE 4-6 The Battery Connector Unplugged in a SCSI Array

FIGURE 4-7 The Underside of the Battery Module With Screws Being Removed

FIGURE 4-8 The Top Side of the Controller Module With the Battery Being Lifted Out andthe Connector Unplugged

FIGURE 4-9 The Top and Side View of the Controller Module With the Battery BeingInserted

CHAPTER 5

FC Module FRUs

This document provides instructions for removing and installing field-replaceableunits (FRUs) in Sun StorEdge 3510 FC arrays

ldquoReplacing an IO Controller Modulerdquo on page 5-1 ldquoSaving the Configuration Settings to NVRAMrdquo on page 5-2 ldquoRemoving an IO Controller Modulerdquo on page 5-2 ldquoInstalling an IO Controller Modulerdquo on page 5-4 ldquoIO Controller Replacement for a Single-Controller or Powered-Off Arrayrdquo on

ldquoReplacing IO Expansion Modulesrdquo on page 5-5 ldquoRemoving the IO Expansion Modulerdquo on page 5-6 ldquoInstalling the IO Expansion Modulerdquo on page 5-6

ldquoSES Firmware Update Sometimes Required with IO Controller ModuleReplacementsrdquo on page 5-7

ldquoInstalling Small Form-Factor Pluggable Transceiversrdquo on page 5-8

ldquoInstalling a RAIDExpansion Chassis FRUrdquo on page 5-9

ldquoConverting an FC JBOD to an FC RAID Arrayrdquo on page 5-12

51 Replacing an IO Controller ModuleBe sure to follow the ldquoStatic Electricity and Other Precautionsrdquo on page 1-4 The IOcontroller modules are hot-serviceable Hot-serviceable means that the module canbe replaced while the array and hosts are powered on but the connected hosts mustbe inactive

Caution ndash Connected hosts must be inactive during this replacement procedure

511 Saving the Configuration Settings to NVRAMBefore replacing a controller module save the configuration settings to NVRAM Ifpower is removed before you replace an IO controller module the settings can berestored from NVRAM

Caution ndash If you power off the array and replace a controller module thereplacement controller could become the primary controller and overwrite anyconfiguration settings previously set

1 From the firmware application Main Menu choose ldquosystem Functionsrdquo

2 Use the arrow keys to scroll down and select ldquocontroller maintenancerdquo

3 Select ldquosave NVRAM to disksrdquo and press Return

4 Choose Yes to confirm A message informs you that NVRAM information hasbeen successfully saved

512 Removing an IO Controller Module1 Keep the array powered on and make sure that the connected hosts are inactive

Note ndash Most users who have multiple host connections between the two controllersuse multi-pathing software to manage them If multi-pathing software andconnectivity is not possible one alternative is to power off the array and discontinueall host IO until the replacement is completed and the array is powered on

2 Write down the cabling configuration for the controller-to-host connection andexpansion unit connections so that you can reconnect the cables correctly with thenew IO controller module See FIGURE 5-1

3 Remove all cables from the IO controller module

4 Turn the thumbscrews on the left and right sides of the IO controller modulecounterclockwise until the thumbscrews are disengaged from the chassis

5 Hold the thumbscrews and pull out the IO controller module

FIGURE 5-1 Hardware Connections on the Back of a Dual-Controller FC Array

Management is in-band through fibre host connections and out-of-band through theserial port and Ethernet port on the back of each controller

ApplicationData Servers and ConsolesFC Device Connections

FC Expansion UnitsFC Arrays

ManagementConsole

Servers and ConsolesFC Devices

Chapter 5 FC Module FRUs 5-3

513 Installing an IO Controller Module1 Keep the array powered on Gently slide the IO controller module into the unit

until it clicks and is seated in the backplane

Caution ndash Be sure that the module is properly inserted into the guide rails of thearray and that you keep the power on If you power off and then replace themodule you will have to continue with additional steps Refer to ldquoIO ControllerReplacement for a Single-Controller or Powered-Off Arrayrdquo on page 5-5

2 Turn the thumbscrews on the left and right sides of the IO controller moduleclockwise until they are finger-tight to secure the module and to make themodulersquos front panel flush with the chassis

The new controller automatically becomes the secondary controller

If you power on your array hear an audible alarm and see a blinking amber Eventlight on the front of your array the new controller has a different version of SESfirmware or its associated PLD code than the other IO controller in your array Tosolve this mismatch refer to ldquoSES Firmware Update Sometimes Required with IOController Module Replacementsrdquo on page 5-7

3 Reconnect the original cables to the new IO controller module

Caution ndash You must connect the hosts to the correct host channels on the IOcontroller module or your configuration will not work correctly

514 Converting a Dual-Controller Array to a SingleController ArrayIf you convert a dual-controller unit into a single-controller unit the SSCS softwaredoes not automatically recognize the change and reports that the SES and batteryboard from the removed controller are failed or not present

If you are running SSCS software and want to avoid this message follow the steps inthe chapter titled ldquoMaintaining the Arrayrdquo in the Sun StorEdge 3000 FamilyConfiguration Service Userrsquos Guide The section containing the instructions is entitledldquoConverting a Dual Controller Array to a Single Controller Arrayrdquo

515 IO Controller Replacement for a Single-Controller or Powered-Off ArrayIf the array was powered off during the controller replacement or if you replaced acontroller in a single-controller configuration perform the following importantsteps

1 Restore configuration settings from NVRAM if the new controller replaced an oldcontroller

a From the Main Menu select ldquosystem Functionsrdquo select ldquoControllermaintenancerdquo and press Return

b Select ldquoRestore NVRAM from disksrdquo and press Return Press Yes to confirm

2 Set the parameter called the ldquoController Unique Identifierrdquo to the correct value

a From the firmware Main Menu select ldquoview and edit Configurationparametersrdquo then select ldquoController Parametersrdquo and press Return

b From the Controller Parameters menu select ldquoController Unique Identifierlthexgtrdquo and press Return Type the value 0 (to automatically read the chassisserial number from the midplane) or type the hex value for the original serialnumber of the chassis (used when the midplane has been replaced)

The Controller Unique Identifier is used to create Ethernet addresses andworldwide names The value 0 is immediately replaced with the hex value of thechassis serial number A nonzero value should be specified only if the chassis hasbeen replaced but the original chassis serial number must be retained thisfeature is especially important in a Sun Cluster environment to maintain thesame disk device names in a cluster

3 To implement the revised configuration settings from step 1 or step 2 selectldquosystem Functionsrdquo from the Main Menu select ldquoReset controllerrdquo and pressReturn

52 Replacing IO Expansion ModulesBe sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4

All IO expansion modules are hot-serviceable Hot-serviceable means that themodule can be replaced while the array and hosts are powered on but the connectedhosts must be inactive

Caution ndash When you replace an IO expansion module the connected hosts mustbe inactive during the replacement procedure

521 Removing the IO Expansion Module1 Keep the array powered on and be sure that the connected hosts are inactive

during this procedure

2 Turn the thumbscrews on the left and right sides of an IO expansion modulecounterclockwise until the thumbscrews are disengaged from the chassis

3 Hold the thumbscrews and pull out the IO expansion module

522 Installing the IO Expansion Module1 Keep the array powered on and be sure that the connected hosts are inactive

2 Slide the IO expansion module into the chassis until the module is firmly seatedin the backplane and the modulersquos front panel is flush with the chassis

Caution ndash Be sure that the IO expansion module is properly inserted into theguide rails of the array

3 Turn the thumbscrews on the left and right sides of the IO expansion moduleclockwise until the thumbscrews are finger-tight to secure the module

If you power on the expansion unit hear an audible alarm and see a blinking amberEvent light on the front of your array the new controller has a different version ofSES or PLD firmware than the other IO controller in your array To solve thismismatch refer to ldquoSES Firmware Update Sometimes Required with IO ControllerModule Replacementsrdquo on page 5-7

Note ndash The beep code that identifies an SES or PLD firmware match is the repeatingMorse code letter ldquoRrdquo dot dash dot

53 SES Firmware Update SometimesRequired with IO Controller ModuleReplacementsPeriodically firmware upgrades are made available as patches that you candownload from SunSolvetrade Online located at

httpsunsolvesuncom

The Sun StorEdge 3510 FC array patch contains the most current version of thecontroller SES and PLD firmware

SunSolve has extensive search capabilities that can help you find this patch as wellas regular patch reports and alerts to let you know when firmware upgrades andrelated patches become available In addition SunSolve provides reports about bugsthat have been fixed in patch updates

Each patch includes an associated Readme text file that provides detailedinstructions about how to download and install that patch But generally speakingall firmware downloads follow the same steps

Locating the patch on SunSolve that contains the firmware upgrade you want

Downloading the patch to a location on your network

Using your array software (SSCS or sscli(1M) or array firmware in some casesto ldquoflashrdquo the firmware to the device it updates

Refer to the Release Notes for your array for latest patch available for your array atthe time of release

If you power on the expansion unit or array hear an audible alarm and see ablinking amber Event light on the front of the arrayunit the new IO expansionmodule or controller module has a different version of SES firmware or PLDfirmware from that of the other IO module in the unitarray To resolve this issueyou need to download new SES firmware This can be done using Sun StorEdgeConfiguration Service software or the command line interface (CLI) for your array

If you have not installed this software you need to install it from the CD that waspackaged with your array

Use the CLI commands show ses and show events to see what error condition iscausing the alarms If the error message indicates a PLD firmware mismatch it maybe because your SES firmware has not yet been upgraded Upgrading your SESfirmware usually resolves any apparent PLD mismatch

Refer to the Sun StorEdge 3000 Family Configuration Service Users Guide for yourarray to see instructions for ldquoflashingrdquo the upgraded firmware to the appropriatedevice or refer to the sccli(1M) man page for instructions on performing the sameoperation using the CLI

Caution ndash Follow the upgrade instructions in the patch README file with greatcare to download and install firmware correctly If the wrong firmware is installedor the firmware is installed on the wrong device your controller may be renderedinoperable Always be sure to upgrade your SES firmware first before trying todetermine if you need a PLD upgrade

54 Installing Small Form-Factor PluggableTransceiversFibre Channel arrays use small form-factor (SFP) transceivers to attach the array tohosts and expansion units

Each Fibre Channel IO controller module has six SFP ports as shown in the lowerrow of ports in FIGURE 5-2 These ports are labeled FC0 through FC5

FIGURE 5-2 Six SFP Ports on an IO Controller Module

Each Fibre Channel IO expansion module has two SFP ports These ports arelabeled Loop A or Loop B

1 Slide the SFP into the SFP port so that the gold pins connect firmly with thechassis

SFP ports

FIGURE 5-3 Typical SFP Used to Connect Cables to SFP Ports

2 Plug one end of a Fibre Channel cable into the duplex jack at the end of the SFPas shown in FIGURE 5-4

3 Plug the other end into a server or into an FC expansion unit

FIGURE 5-4 Duplex Jack at the End of an SFP

Note ndash To remove an SFP make sure that no cable is connected to it and then slideit out from the port

55 Installing a RAIDExpansion ChassisFRUThe chassis (box) FRU for the Sun StorEdge 3510 FC array includes a chassis itsdrive midplane and its backplane This product is ordered to replace a box that hasbeen damaged or whose midplane or backplane has been damaged

To make a fully functional array you need to add the following parts from thereplaced array

Drive modules

Two power supplyfan modules

One or two JBOD IO modules (for an expansion unit or JBOD)

One or two IO controller module (for a RAID array)

To install the individual modules use the replacement instructions provided in thisguide

To configure the array refer to the installation manual for your array located onyour Sun StorEdge 3000 Family Documentation CD or on the product websites

To replace the chassis frame of an existing RAID array or expansion unit performthe following steps

1 Connect to the firmware application via the serial interface (tip for SolarisLinux)or via telnet

2 If the defective array is a RAID array

From the Main Menu select ldquoview and edit Configuration parametersrdquo then selectldquoController Parametersrdquo

Write down the Controller Unique Identifier (hex) - value

3 Power off both power supply modules on the defective array

4 Ensure all FC cables attached to the IO module are labeled clearly

5 Write down the defective arrays cabling configuration

6 Remove all FC cables attached to the IO module

7 If the defective array is a RAID array remove all serial and Ethernet cablesconnected to the IO modules

8 Label each disk drive with its disk slot position in the array

9 Remove the IO module(s) power supply modules and disk drives from thedefective array

10 Remove the defective chassis

11 Obtain the replacement chassis

12 Re-install all previously removed FRUs in their original positions into thereplacement chassis

13 Re-install all FC serial Ethernet and power cables in their original positions

14 Power on both power supply modules on the replacement chassis

15 If the replacement chassis is an expansion unit or JBOD refer to your installationmanual to configure it

16 If the replacement chassis is a RAID array proceed with the following steps

a Connect to the array console menu interface via the serial interface (tip forSolarisLinux) or via telnet

b From the Main Menu select ldquoview and edit Configuration parametersrdquo thenldquoController Parametersrdquo

c Select Controller Unique Identifier (hex)

17 If this array is being used by clustered hosts or for any other reason its attachedhosts require that their Device IDs remaining consistent perform these steps

a Set Controller Unique Identifier (hex) to the value you wrote down in step 2

b Reset the RAID Controllers From the Main Menu select ldquosystem Functionsrdquothen ldquoReset controllerrdquo Confirm Yes when prompted

c This procedure is now complete Proceed with step 19

18 If this array is NOT being used by clustered hosts perform these steps

a On the firmware main menu select ldquoview and edit Configuration parametersrdquothen select ldquoController Parametersrdquo and press Return

b From the Controller Parameters menu select ldquoController Unique Identifierlthexgtrdquo and press Return

c Type in the value 0 (to automatically read the chassis serial number from themidplane)

The value 0 is immediately replaced with the hex value of the chassis serialnumber

d To implement the revised parameter value select ldquosystem Functionsrdquo on theMain Menu select ldquoReset Controllerrdquo and press Return

19 Connect the array to hosts according to the configuration identified in steps 4and 5 The chassis replacement is now complete

56 Converting an FC JBOD to an FC RAIDArrayYou can convert an FC JBOD (or expansion unit) to a single- or dual-controller FCRAID array by performing the following procedure

Components required for this conversion are

An FC JBOD An FC IO controller module (two modules for a dual-controller array) Additional SFPs as needed A serial null modem cable for initial configuration of the RAID array Ethernet cable(s) for network access (one for each IO controller module) Sun StorEdge Operation Installation and Service Manual for the array Sun StorEdge Configuration Service Userrsquos Guide (if Configuration Service is used to

manage and monitor Sun StorEdge 3000 Family products)

Note ndash If you do not have the required cables consult your sales representative toobtain them

1 If you have data on the JBOD drives be sure to back up the data onto the networkor onto another array prior to the conversion of the JBOD to a RAID array

Caution ndash The data on the drives of a JBOD will not be accessible after the JBOD isconverted to a RAID array Therefore it is essential that you back up the JBOD dataonto another storage device prior to converting the JBOD to a RAID array

Note ndash You must use a tool within Solaris or an external software package toperform the data backup function The firmware software and CLI provided withthe Sun StorEdge 3510 FC array do not have backup functions for data

2 If you use Sun StorEdge Configuration Service (SSCS) to monitor your arrays andJBODs stop the sscs daemon and close the console

Note ndash When you disconnect the JBOD from the host the JBOD drives will appearas failed drives in SSCS To remove the failed drive entries you need to stop thedaemon remove the JBOD and restart the daemon

3 To convert the JBOD to a RAID array power off the JBOD

4 Remove all cables connected to the JBOD IO expansion module(s) which will bereplaced by IO controller module(s)

5 Remove the top IO expansion module with the following steps

a Turn the thumbscrews on the left and right sides of an IO expansion modulecounterclockwise until the thumbscrews are disengaged from the chassis

b Hold the thumbscrews and pull out the IO expansion module

c To remove an SFP make sure no cable is connected to it and then slide it outfrom the port

Each IO expansion module has one SFP which can be re-used and inserted intothe new IO controller module

6 Insert the SFP from step 5c into the new IO controller module

Slide the single-end of the SFP into an empty port so that it connects firmly with thechassis

See FIGURE 5-5 and FIGURE 5-6 for recommended SFP locations in IO controllermodules

Note ndash IO controller module FRUs do not have any SFPs the SFPs must beordered separately The IO controller module X-Option includes two SFPs anEthernet cable and a serial cable

In a dual-controller array the recommended configuration is SFPs plugged into thefollowing ports namely into one port out of two ports in each pair of host and driveports

The upper IO controller module with SFPs in the FC0 FC2 and FC4 ports

The lower IO controller module with SFPs in the FC1 FC3 and FC5 ports

This configuration provides connections to all four host channels as well as to bothdrive channels

FIGURE 5-5 Recommended Dual-Controller SFP Placement

In a single-controller array SFPs are usually plugged into FC0 FC1 FC4 and FC5No SFPs are plugged into the drive channels This configuration is appropriate forconnecting to up to four hosts or fibre switches with no connection to expansionunits

Host port FC0 Drive port FC2 Host port FC4

FIGURE 5-6 Single-Controller SFP Placement

7 Insert additional SFPs into the new IO controller module as needed

8 Install an IO controller module into the top slot with the following steps

a Gently slide the IO controller module into the unit until it clicks and is seatedin the backplane

Caution ndash Be sure that the module is properly inserted into the guide rails of thearray

b Turn the thumbscrews on the left and right sides of the IO controller moduleclockwise until they are finger-tight to secure the module and to make themodulersquos front panel flush with the chassis

9 Repeat steps 4 and 5 to remove the IO module in the lower slot and repeat step 6to install a second IO controller module if you want to create a dual-controllerRAID array

10 Power on the array

11 Print or locate chapters 4 and 5 of the Sun StorEdge Installation Operation and ServiceManual for the array to use for the remainder of this procedure

12 Connect the new RAID array to a terminal emulation program or workstationthrough its serial port

For information on how to connect to the serial port refer to section 47 Configuringa COM Port to Connect to a RAID Array in the installation manual

On a Solaris system use the tip command to access the array locally

Host port FC0 Host port FC1 Host port FC4 Host port FC5

where n is the COM port identifier For instance if you have connected the array tothe COM port identified as ttyb use this command

Refresh your screen by holding down the Control key on your keyboard (this isabbreviated Ctrl on some keyboards) and pressing the letter L key on yourkeyboard

13 Set up an IP address for the chassis

Refer to section 48 Setting an IP Address in the installation manual

Note ndash You can access the firmware application program directly through the serialport or over Ethernet after you have set up the IP address

14 To telnet to the chassis and access the firmware application refer to section 49Setting Up Out-of-Band Management Over Ethernet in the installation manual

15 The Controller Unique Identifier for each IO controller module must be set to 0so that it adopts the chassis serial number with the Reset controller command

The Controller Unique Identifier is used to create Ethernet addresses and worldwidenames

Perform the following steps to ensure that the Controller Unique Identifier is set tozero

tip -38400 devttyn

tip -38400 devttyb

16 On the firmware main menu select ldquoview system Informationrdquo and record theserial number of the array You will use this number later

17 If you plan to use SSCS to manage and monitor the RAID array perform thefollowing additional steps

a Restart the SSCS agent and the console

Serial Number

b From the SSCS main window in the console click View rarr Agent OptionsManagement and uncheck the box labeled Enable JBOD support

You need to disable the JBOD support temporarily in order to remove the oldJBOD drive assignments

c Click View rarr View Server

d Double-click on the server which had the JBOD connected to it Click the Probebutton

The JBOD connections are removed now

e Click Array Administration rarr Controller Assignment

The Assign Server to Manage a RAID Controller window is displayed

f Check that the RAID array serial number recorded in step 16 is displayed

If the serial number is not displayed check the operating system information inthe Sun StorEdge Operation Installation and Service Manual and your operatingsystem documentation to complete the configuration You will need to stop andrestart the SSCS agent and console to see the revised configuration

g Select a server from the ldquoServer to manage this controllerrdquo list and click Apply

This enables the selected server to manage an array controller It also disables allother servers listed from managing the same array

h To provide monitoring of other JBODs click View rarr Agent OptionsManagement and check the box labeled Enable JBOD support

Your initial configuration of the RAID array is now complete Refer to the SunStorEdge Configuration Service Userrsquos Guide for additional information

18 If you are creating a dual-controller RAID array perform the following steps withthe firmware application to ensure compatibility

a To check the controller firmware version of each module perform these steps

Remove one IO controller module so that only one IO controller moduleremains in the array

Maintain a serial port connection to a terminal or workstation as described in step10

In the firmware application select ldquoview system Informationrdquo and record theFirmware Version

Insert the second IO controller module remove the first module and selectldquoview system Informationrdquo to record the Firmware Version of the second module

To check that you have the latest firmware go to

httpsunsolvesuncom

and select Patch Portal and then browse in the Sun Alert Patch Report or checkthe Sun StorEdge 3510 FC Release Notes for firmware patch information

b Check the number on each IO controller module faceplate where there is afour-digit number such as 0350 or 0450

Both IO controller modules must have the same first two digits which representa SESPLD firmware level in the module If the two modules have two differentnumbers for example 03 and 04 you must upgrade one IO controller module tothe higher level or both modules to the latest SESPLD level For moreinformation refer to ldquoSES Firmware Update Sometimes Required with IOController Module Replacementsrdquo on page 5-7

c If the firmware versions of the two IO controller modules do not matchdownload the latest firmware to each IO controller module to ensure that theyhave the latest firmware and the same firmware

To download new versions of controller firmware disk drive firmware orSESPLD firmware use one of the following tools and check the Sun StorEdge3510 Release Notes or Sun Solve for the latest firmware patch

Firmware Version

Sun StorEdge 3000 Family CLI (with an in-band connection for Linux andWindows hosts and for servers running the Solaris operating environment)

Sun StorEdge 3000 Family Configuration Service program (with an in-bandconnection for Solaris and Windows hosts)

Firmware application (only for downloading controller firmware from aWindows host with an out-of-band serial port connection)

19 The new RAID array requires new cabling and first-time configuration

For cabling and configuration instructions refer to Chapters 4 and 5 in theinstallation manual

Note ndash Each operating system has additional procedures or requirements for seeinga new device For instructions related to each operating system refer to theappropriate appendix from the set of appendices E through J in the Sun StorEdgeInstallation Operation and Service Manual for your array

Note ndash In some operating systems you will also have obsolete files or pathsassociated with the removed JBOD unit for example in Solaris operating systemsses files are created for each JBOD drive under deves Consult your operatingsystem documentation for information on how to remove or modify appropriatefiles and paths

20 After you create RAID logical drives on the new RAID array restore the data ontothe drives

Note ndash You must use a tool within Solaris or an external software package toperform the data restore function The firmware software and CLI provided withthe Sun StorEdge 3510 FC array do not have restore functions for data

CHAPTER 6

SCSI Module FRUs

This chapter provides instructions for removing and installing field-replaceable units(FRUs) in Sun StorEdge 3310 SCSI arrays

ldquoReplacing a SCSI Controller Modulerdquo on page 6-2 ldquoSaving the Configuration Settings to NVRAMrdquo on page 6-2 ldquoRemoving a SCSI Controller Modulerdquo on page 6-2 ldquoInstalling a SCSI Controller Modulerdquo on page 6-2 ldquoReplacing a Single-Controller Array or Powered Off Arrayrdquo on page 6-3

ldquoReplacing SCSI IO Modulesrdquo on page 6-4 ldquoRemoving the SCSI IO Modulerdquo on page 6-4 ldquoInstalling a SCSI IO Modulerdquo on page 6-5

ldquoReplacing the SCSI Terminator Modulerdquo on page 6-6 ldquoRemoving the SCSI Terminator Modulerdquo on page 6-6 ldquoInstalling a Terminator Modulerdquo on page 6-7

ldquoReplacing the EMU Modulerdquo on page 6-8 ldquoRemoving an EMU Modulerdquo on page 6-8 ldquoInstalling an EMU Modulerdquo on page 6-9

ldquoInstalling a RAIDExpansion Chassis FRUrdquo on page 6-9 ldquoSpecial JBOD Usage With External Terminatorsrdquo on page 6-12 ldquoInstalling a Filler Panel on a SCSI Arrayrdquo on page 6-17

Note ndash Be sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4 forall procedures

61 Replacing a SCSI Controller ModuleBe sure to follow the ldquoStatic Electricity and Other Precautionsrdquo on page 1-4

The controller modules are hot-swappable

611 Saving the Configuration Settings to NVRAM

Caution ndash If you power off the array and replace a controller module thereplacement controller could become the primary controller and overwrite anyconfiguration settings previously set Before replacing a controller module save theconfiguration settings to NVRAM If power is removed before you replace a IOcontroller module the settings can be restored from NVRAM

2 Use the arrow keys to scroll down select ldquocontroller maintenancerdquo and thenselect ldquosave NVRAM to disksrdquo and press Return

612 Removing a SCSI Controller Module1 Keep the array powered on

2 Turn the thumbscrews on the left and right sides of the controller modulecounterclockwise until the thumbscrews are disengaged from the chassis

3 Hold the thumbscrews and pull out the controller module

613 Installing a SCSI Controller Module1 Keep the array powered on Gently slide the controller module into the unit until

it clicks and is seated in the backplane

2 Turn the thumbscrews on the left and right sides of the controller moduleclockwise until they are finger-tight to secure the module and to make themodulersquos front panel flush with the chassis

614 Replacing a Single-Controller Array or PoweredOff ArrayIf the array was powered off during the controller replacement or if you replaced acontroller in a single-controller configuration perform the following importantsteps

a From the firmware Main Menu select ldquosystem Functionsrdquo select ldquoControllermaintenancerdquo and press Return

a From the firmware Main Menu select ldquoview and edit Configurationparametersrdquo select ldquoController Parametersrdquo and press Return

The Controller Unique Identifier is used to create Ethernet addresses andworldwide names The value 0 is immediately replaced with the hex value of thechassis serial number A nonzero value should be specified only if the chassis hasbeen replaced but the original chassis serial number must be retained this featureis especially important in a Sun Cluster environment to maintain the same diskdevice names in a cluster

Chapter 6 SCSI Module FRUs 6-3

62 Replacing SCSI IO ModulesBe sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4

Caution ndash The SCSI IO modules are hot-serviceable only if you disable thePeriodic Drive Check Time parameter through the firmware application this is notthe preferred procedure Hot-serviceable means that the module can be replaced whilethe array and hosts are powered on but the connected hosts must be inactive

621 Installing Gaskets If NeededPrior to installing the IO module check to see if there is a 14-inch thin gasket onthe top inside edge of the IO module slot on the chassis

If the gasket in on that edge do not use the gasket provided with the IO moduleFRU

If there is no gasket on the top inside edge of the IO module slot install theenclosed gasket as follows

1 Remove the plastic white backing on the back of the gasket

2 Attach the adhesive side of the gasket to the top inside edge of the IO modulefaceplate This will look identical to gasket already on the bottom inside edge ofthe IO module faceplate

622 Removing the SCSI IO Module

1 Power off both power supply modules on the array

2 Write down the bus configuration (dual-bus or single-bus configuration)

3 Ensure that all SCSI cables attached to the IO module are labeled clearly Thenremove all SCSI cables attached to the IO module

Caution ndash The IO module offers resistance when you remove it from the chassisbackplane When unseating the module from the chassis check that you do not bendbackwards the ERROR LED mounted on the module

4 Turn the thumbscrews on the left and right sides of an IO modulecounterclockwise until the thumbscrews are disengaged from the chassis

5 Hold the thumbscrews and using a slight downward pressure pull evenly on thescrews to disengage the IO module

623 Installing a SCSI IO Module1 With the power still off slide the IO module into the chassis far enough to

engage the thumbscrews

Caution ndash Be sure that the IO module is properly inserted into the guide rails

2 Turn the thumbscrews on the left and right sides of the IO module clockwise astight as possible without using a screwdriver Then push firmly with a singlefirm two-handed push which should move the module about 1 cm

3 Tighten the thumbscrews again Then push firmly with a single firm two-handedpush Tighten the thumbscrews again until finger-tight

Note ndash An improperly seated IO module commonly causes SCSI channel errors

4 Reinstall all SCSI cables in their original positions

5 Power on both power supply modules

63 Replacing the SCSI Terminator ModuleBe sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4

631 Removing the SCSI Terminator Module1 Power off both power supply modules on the array

Although the terminator module is technically hot-swappable most users power offthe array because the procedure requires that you will be removing and reinsertingthree modules during the procedure

2 Remove all serial and Ethernet cables connected to the controller modules

3 Remove both controller modules

a Turn the thumbscrews on the left and right sides of each controller modulecounterclockwise until the thumbscrews are disengaged from the chassis

b Hold the thumbscrews and pull out the controller module

4 Hold the terminator module by the front edges and pull it out of the chassis

FIGURE 6-1 The Terminator Module Partially Pulled Out of the Chassis

632 Installing a Terminator Module1 Keep the array powered off

2 Slide the terminator module into the chassis until it is seated in the backplane

Caution ndash Be sure that the terminator module is properly inserted into the guiderails of the array

3 Reinstall both controller modules

a Gently slide each controller module into the unit until the module is seated inthe backplane

b Turn the thumbscrews on the left and right side of the controller moduleclockwise until they are finger-tight to secure the module

4 Power on both power supply modules of the array

64 Replacing the EMU ModuleBe sure to follow ldquoStatic Electricity and Other Precautionsrdquo on page 1-4 The EMUmodule is hot-swappable and can be replaced with the array powered on

FIGURE 6-2 The EMU Module Partially Pulled out of the Chassis

641 Removing an EMU Module1 Keep the power on and turn the thumbscrews on the top and bottom of an EMU

module counterclockwise until the thumbscrews are disengaged from the chassis

2 Hold the thumbscrews and pull out the EMU module

642 Installing an EMU Module1 With the power on slide the new EMU module into the chassis until it is firmly

seated in the backplane and the modulersquos front panel is flush with the chassis

Caution ndash Be sure that the EMU module is properly inserted into the guide rails ofthe array

2 Turn the thumbscrews on the top and bottom of the EMU module clockwise untilthey are finger-tight to secure the module

65 Installing a RAIDExpansion ChassisFRUThe Sun StorEdge 3310 SCSI array box FRU includes a chassis its drive midplaneand its backplane This product is ordered to replace a box that has been damaged orwhose midplane or backplane has been damaged

Drive modules

Two EMU modules

One or two RAID IO modules (for a RAID array)

One or two RAID controllers (for a RAID array)

One terminator module

To configure the array refer to the installation manual for your array located onyour Sun StorEdge 3000 Family Documentation CD

4 Ensure all SCSI cables attached to the IO module are labeled clearly

6 Remove all SCSI cables attached to the IO module

7 If the defective array is a RAID array remove all serial and Ethernet cablesconnected to the RAID controllers

9 Remove the RAID controllers (if applicable) terminator board (if applicable) IOmodule(s) EMUs power supply modules and disk drives from the defectivearray

12 Re-install all previously removed modules in their original positions into thereplacement array

13 Re-install all SCSI serial Ethernet and power cables in their original positions

14 Power on both power supply modules on the replacement array

15 If the replacement array is an expansion unit or JBOD refer to your installationmanual to configure it

c Proceed with step 19

66 Special JBOD Usage With ExternalTerminatorsThe external terminator is necessary only during certain maintenance tasksperformed with a Sun StorEdge 3310 SCSI JBOD dual bus configuration which isconnected directly to multiple servers in a clustering environment (most often theSun Cluster environment) With many maintenance tasks you remove a failed oroutdated part and replace it immediately this is standard procedure

However if you have an unusual situation and need to remove a host connectionfrom the JBOD for a prolonged period you might need to preserve the other hostconnections and activity on the JBOD

The Sun SCSI LVDMSE external terminator is part number XTA-3310-SC-TERM(595-6750-01)

661 External Terminators for Special Dual-Bus JBODMaintenanceIf you have JBOD IO modules part number 370-5396-0250 or higher use thisinformation

Note ndash This new IO module supports both single-initiator and multi-initiator dual-bus configurations The older IO module supports only single-initiator dual-busconfigurations

If you have earlier IO modules and do not have JBOD IO modules part number370-5396-0250 or higher see ldquoOlder JBOD Dual-Bus Configurationsrdquo on page 6-14

To preserve all original SCSI IDs and correct termination on a dual-bus JBOD in acluster environment insert an external terminator in all cases where a SCSI portbecomes empty that was not empty in the original configuration This maintains theSCSI drive IDs for the active host connections For an example of two removedcables and two inserted terminators see FIGURE 6-3

In a dual-bus configuration the SCSI IDs change according to the termination on theSCSI ports If your original configuration has both SCSI ports connected on a busconnected to host(s) the SCSI IDs are 0 to 5 If only the bottom port is connected toa host the SCSI drive IDs are 8 to 13

FIGURE 6-3 Two Terminators for Two Cables Which Have Been Removed in a Dual-BusConfiguration

Caution ndash SCSI IDs are based on the cabling of the array when the array is poweredup If you are removing host connections from a dual-host dual-bus multi-initiatorconfiguration use terminators to preserve the existing SCSI ID assignments (as wellas the termination on the bottom SCSI ports)

To keep other host connections operational while one host connection is temporarilyremoved perform the following steps

1 Stop all host IO activity on the host bus where the removal of a cable will occur

2 Disconnect the array from the host SCSI cable of the server that requires themaintenance work from the array

3 Insert the external terminator into the empty SCSI port on the array

The external terminator preserves the original SCSI IDs

4 Resume host IO activity on the remaining host(s)

662 Older JBOD Dual-Bus ConfigurationsIf you have earlier IO modules and do not have JBOD IO modules part number370-5396-0250 or higher use the information in this section

Note ndash The older IO modules only supported single-initiator dual-busconfigurations

In a dual-bus configuration the SCSI IDs change according to the termination on theSCSI ports If your original configuration has both SCSI ports connected on a busconnected to host(s) the SCSI IDs are 0 to 5 If only the bottom port is connected toa host the SCSI IDs are 8 to 15 To preserve all original SCSI IDs and correcttermination on a dual bus JBOD in a cluster environment insert an externalterminator in all cases where a top SCSI port is empty but was not empty in theoriginal configuration

Note ndash As a general rule external terminators are necessary in JBOD configurations(for JBOD configuration information refer to the Sun StorEdge 3310 SCSI InstallationOperation and Service Manual) The two bottom SCSI ports on the JBOD are typicallyterminated with an HBA host connection or a SCSI jumper cable The upper IOSCSI connectors are autoterminated Single-bus JBOD cabling does not require anexternal terminator at any time only the dual-bus JBOD cabling in the clusterenvironment has the one condition where external terminators are required

Caution ndash In a cluster configuration adding a separate host connection that was notoriginally planned for the array will cause a change in SCSI IDs and therefore losesaccess to data stored under the original SCSI IDs

3 In a dual bus configuration if two hosts are connected to one bus and the hostcable to the bottom port of the array is disconnected move the cable of the topport to the bottom port

The moved cable provides termination to the bottom port

4 Insert the external terminator into the empty top SCSI port on the array

The external terminator preserves the original SCSI IDs which are 0 to 5 on each busthat has two host connections established

You can have situations in which one or two SCSI cables are temporarily removed froma standard SCSI array configuration

FIGURE 6-4 Example of a SCSI Array Configuration

In each of the four scenarios in FIGURE 6-5 and FIGURE 6-6 a single cable was removedfrom the original configuration shown in FIGURE 6-4 In each of these scenarios oneexternal terminator was required

Note ndash The bottom input ports support only host SCSI connections and do notsupport external terminators

FIGURE 6-5 Removing a Single Cable From an IN Port in a Two-Host Configuration

FIGURE 6-6 Removing a Single Cable From an OUT Port in a Two-Host Configuration

Scenario 1Disconnect 1 cable from A-IN port1 Disconnect Host 1 cable from port A-IN2 Unplug cable from port A-OUT and move it to port A-IN3 Install a terminator in port A-OUT

Scenario 2Disconnect 1 cable from B-IN port1 Disconnect Host 1 cable from port B-IN2 Unplug cable from port B-OUT and move it to port B-IN3 Install a terminator in port B-OUT

Scenario 3Disconnect 1 cable from A-OUT port1 Disconnect Host 1 cable from port A-OUT2 Install a terminator in port A-OUT

Scenario 4Disconnect 1 cable from B-OUT port1 Disconnect Host 1 cable from port B-OUT2 Install a terminator in port B-OUT

67 Installing a Filler Panel on a SCSI ArrayThe filler panel FRU is a single metal panel used to cover an empty controllermodule slot on the rear of a Sun StorEdge 3310 SCSI array Most often this occurswhen you wish to remove a controller module and change a dual-controller array toa single-controller array The filler panel protects the interior of the array

To install a filler panel perform the following steps

1 Remove the controller module according to ldquoRemoving a SCSI ControllerModulerdquo on page 6-2

2 Position the filler panel so that it covers the empty slot and the thumbscrewsoverlay the thumbscrew holes

3 Turn the thumbscrews on the left and right sides of the filler panel clockwiseuntil the thumbscrews are finger-tight to secure the panel on the array

AAC power supplyfan module

installing 3-2removing 3-2

air management sled installing 2-9

Bbattery

manufacture date information 4-1note on life and temp limitations 4-2replacing a SCSI battery 4-5replacing an FC battery 4-3

Ccautions general 1-4chassis FRU (SCSI) installing 6-9chassis FRU replacement

for Sun StorEdge 3510 FC arrays 5-9configuration settings saving to NVRAM 5-2 6-2controller module (SCSI)

installing 6-2removing 6-2replacing 6-2replacing a single-controller module 6-3replacing with power off 6-3

DDC power supplyfan module

disk drivesassign as a spare 2-8correct powerup sequence 2-7identifying defective drives 2-2installing new drives 2-5removing 2-4replacing 2-2scanning a new drive 2-6

DRV ABSENT logical drive status 2-7DRV FAILED logical drive status 2-7

EEMU module (SCSI)

installing 6-9removing 6-8replacing 6-8

FFC JBOD

convert to RAID manage by SSCS 5-17converting to an FC RAID array 5-12

filler panel (SCSI) installing 6-17Flash All Drives command 2-3FRUs listing of

for Sun StorEdge 3310 SCSI arrays 1-3

Index-1

for Sun StorEdge 3510 FC arrays 1-2

IIO controller module (FC)

convert a dual-controller to single controllerarray 5-4

if powered off during replacement 5-5installing 5-4removing 5-2replacing 5-1SES firmware update 5-7single-controller array replacement 5-5

IO expansion modules (FC)installing 5-6removing 5-6replacing 5-5

IO modules (SCSI)installing 6-5installing gaskets 6-4removing 6-4replacing 6-4

Identifying SCSI drive command 2-3INCOMPLETE logical drive status 2-7

JJBOD (FC)

convert to a RAID array 5-12JBOD (SCSI)

dual-bus config maintenance 6-13older dual-bus maintenance 6-14using external terminators 6-12

NNVRAM saving 5-2 6-2

Ppowerup sequence required 2-7

RREBUILDING logical drive status 2-8

SSFPs installing 5-8static electricity precautions 1-4

Ttabletop array

converting from a rack-ready array 2-10converting to a rack-ready array 2-12

terminator module (SCSI)installing 6-7removing 6-6replacing 6-6

Index-2

Sun StorEdgetrade 3000 Family FRU Installation Guide

Contents


11 Available FRUs

12 Static Electricity and Other Precautions

Disk Drive Air Management Sled and Tabletop Cover FRUs

21 Replacing a Disk Drive

211 Identifying the Defective Disk Drive


213 Installing a New Disk Drive






22 Installing an Air Management Sled

23 Converting a Rack-Ready Array to a Tabletop Array


232 Converting a Tabletop Array to a Rack-Ready Array


31 Replacing an AC Power SupplyFan Module

311 Removing an AC Power SupplyFan Module

312 Installing an AC Power SupplyFan Module

32 Replacing a DC Power SupplyFan Module

321 Removing a DC Power SupplyFan Module

322 Installing an DC Power SupplyFan Module

Battery FRUs

41 Battery Dating Information

42 Replacing a Battery

421 Replacing an FC Battery

422 Replacing a SCSI Battery

FC Module FRUs

51 Replacing an IO Controller Module


512 Removing an IO Controller Module

513 Installing an IO Controller Module

514 Converting a Dual-Controller Array to a Single Controller Array

515 IO Controller Replacement for a Single- Controller or Powered-Off Array

52 Replacing IO Expansion Modules

521 Removing the IO Expansion Module

522 Installing the IO Expansion Module

53 SES Firmware Update Sometimes Required with IO Controller Module Replacements

54 Installing Small Form-Factor Pluggable Transceivers

55 Installing a RAIDExpansion Chassis FRU

56 Converting an FC JBOD to an FC RAID Array

SCSI Module FRUs

61 Replacing a SCSI Controller Module


612 Removing a SCSI Controller Module

613 Installing a SCSI Controller Module

614 Replacing a Single-Controller Array or Powered Off Array

62 Replacing SCSI IO Modules

621 Installing Gaskets If Needed


623 Installing a SCSI IO Module

63 Replacing the SCSI Terminator Module

631 Removing the SCSI Terminator Module

632 Installing a Terminator Module

64 Replacing the EMU Module

641 Removing an EMU Module

642 Installing an EMU Module


66 Special JBOD Usage With External Terminators

661 External Terminators for Special Dual-Bus JBOD Maintenance

662 Older JBOD Dual-Bus Configurations

67 Installing a Filler Panel on a SCSI Array

Index