IBM TotalStorage DS4200 Operating instructions

IBM System Storage DS4200 Express Storage Subsystem
Installation, User’s and Maintenance Guide
GC27-2048-00


IBM System Storage DS4200 Express Storage Subsystem
Installation, User’s and Maintenance Guide
GC27-2048-00


Note:
Before using this information and the product it supports, be sure to read the general information in “Notices” on page 171.
First Edition (August 2006)
©Copyright International Business Machines Corporation 2006. All rights reserved.
US Government Users Restricted Rights –Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.

Contents
Figures ........................... vii
Tables ............................ix
Safety ............................xi
About this document ..................... xvii
Who should read this document .................. xvii
How this document is organized .................. xvii
DS4000 Storage Subsystem installation tasks -General overview...... xviii
Getting information, help, and service ................ xxi
Before you call ........................ xxi
Using the documentation .................... xxii
Web sites ......................... xxii
Software service and support .................. xxii
Hardware service and support.................. xxiii
Fire suppression systems ................... xxiii
How to send your comments .................. xxiii
Chapter 1. Introduction......................1
Overview ...........................1
Models ...........................1
Operating system support ....................2
Fibre channel defined ......................2
SATA defined .........................2
Inventory checklist ........................3
Product updates .........................4
Best practices guidelines......................5
Storage subsystem components ...................6
Enhanced Value Disk Drive Modules (EV-DDMs) ............6
Controllers ..........................8
Connectors, switch, and enclosure ID ...............8
Power supply and fan units....................9
Battery units .........................11
SFP modules ........................13
Software and hardware compatibility and upgrades ...........13
Software and firmware support code upgrades ............13
DS4200 Express hardware and software compatibility .........14
Determining firmware levels ...................14
Specifications .........................16
Area requirements ......................16
Dimensions ........................16
Weight ..........................16
Shipping dimensions.....................17
Environmental requirements and specifications ............17
Temperature and humidity...................17
Altitude..........................17
Airflow and heat dissipation ..................18
Acoustic noise .......................18
Electrical requirements .....................19
Site wiring and power ....................19
AC power recovery .....................20
Power cords and receptacles..................20
©Copyright IBM Corp. 2006 iii

Heat output, airflow, and cooling .................20
Chapter 2. Installing the storage subsystem .............23
Installation overview .......................23
Handling static-sensitive devices ..................25
Preparing for installation .....................25
Tools and hardware required ...................27
Preparing the site .......................27
Preparing the rack cabinet....................27
Installing the support rails .....................28
Installing the DS4200 Express ...................32
Removing the CRUs ......................32
Removing acontroller ....................33
Removing apower supply and fan unit ..............34
Removing an EV-DDM ....................35
Installing the DS4200 Express into arack on the support rails ......36
Replacing the components ...................38
Replacing acontroller ....................38
Replacing apower supply and fan unit ..............39
Replacing an EV-DDM ....................40
Chapter 3. Cabling the storage subsystem..............43
Enclosure ID settings ......................43
Fibre-channel loop and ID settings..................44
Working with SFPs and fiber-optic cables ...............44
Handling fiber-optic cables ...................44
Installing SFP modules .....................45
Removing SFP modules ....................47
Using LC-LC fibre-channel cables .................48
Connecting an LC-LC cable to an SFP module ...........48
Removing an LC-LC fibre-channel cable .............50
Using LC-SC fibre-channel cable adapters..............51
Connecting an LC-SC cable adapter to adevice ..........51
Removing an LC-LC cable from an LC-SC cable adapter .......53
Connecting storage expansion enclosures to the DS4200 Express ......54
Redundant drive channel pair ..................55
Overview of steps to connect storage expansion enclosures to astorage
subsystem.........................56
DS4200 Express Storage Subsystem drive cabling topologies ......57
One DS4200 Express and one storage expansion enclosure ......58
One DS4200 Express and two storage expansion enclosures......59
One DS4200 Express and three storage expansion enclosures .....61
One DS4200 Express and four storage expansion enclosures .....61
One DS4200 Express and up to six storage expansion enclosures....61
DS4200 Express Storage Subsystem and supported storage expansion
enclosure drive cabling schemes ................63
One DS4200 Express and one EXP420 storage expansion enclosure...64
One DS4200 Express and two EXP420 storage expansion enclosures 64
One DS4200 Express and three or more EXP420 storage expansion
enclosures........................65
Storage expansion enclosure settings ...............69
Fibre channel loop and ID settings................69
DS4000 storage expansion enclosure ID settings ..........69
Connecting secondary interface cables ................69
Configuring the storage subsystem .................70
Storage subsystem management methods..............70
iv IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Host-agent (in-band) management method.............71
Direct (out-of-band) management method .............71
Connecting hosts to the DS4200 Express ..............72
Fibre channel connections....................74
Fibre channel host loop configurations ...............74
Redundant host and drive loops ................75
Installing the storage subsystem configuration .............77
Cabling the power supply .....................78
Chapter 4. Operating the storage subsystem.............79
Performing the DS4000 Health Check process .............79
Web pages .........................80
Hardware responsibilities ....................80
Powering on the storage subsystem .................81
Turning on the storage subsystem.................81
Installing the DS4000 Storage Manager client .............84
Monitoring status through software .................84
Finding controller, storage expansion enclosure, and drive information ...86
Firmware updates.......................86
Troubleshooting the storage subsystem ..............87
Checking the LEDs .......................88
Power supply and fan unit LEDs .................88
Front LEDs .........................89
Battery unit LEDs .......................90
Controller LEDs .......................91
Seven-segment numeric display LEDs ...............93
Powering off the storage subsystem .................94
Turning off the storage subsystem.................94
Performing an emergency shutdown ................97
Restoring power after an unexpected shutdown ............97
Recovering from an overheated power supply and fan unit.........98
Cache memory and cache battery ................. 101
Cache memory ....................... 101
Subsystem cache battery ................... 102
Chapter 5. Replacing components ................ 105
Handling static-sensitive devices .................. 105
Service Action Allowed Status LED ................. 105
Replacing acontroller ...................... 106
Working with hot-swap EV-DDMs..................110
Installing hot-swap EV-DDMs ..................112
Replacing hot-swap EV-DDMs ..................114
Replacing multiple EV-DDMs ..................115
Replacing all EV-DDMs at the same time.............116
Replacing the EV-DDMs one at atime ..............118
Verifying the Link Rate setting .................. 120
Replacing apower supply and fan unit................ 123
Replacing abattery unit ..................... 128
Replacing an SFP module .................... 130
Replacing amidplane ...................... 131
Chapter 6. Hardware maintenance ................ 135
General checkout ....................... 135
Solving problems ....................... 135
Parts listing.......................... 140
Contents v

Appendix A. Records ..................... 143
Identification numbers ...................... 143
Storage subsystem and controller information record .......... 143
Sample information record ................... 145
Installed device records ..................... 146
Appendix B. Rack mounting template ............... 147
Appendix C. Power cords .................... 149
Appendix D. Additional DS4000 documentation ........... 153
DS4000 Storage Manager Version 9library .............. 153
DS4800 Storage Subsystem library ................. 154
DS4700 Storage Subsystem library ................. 155
DS4500 Fibre Channel Storage Server library ............. 156
DS4400 Fibre Channel Storage Server library ............. 157
DS4300 Fibre Channel Storage Server library ............. 158
DS4200 Express Storage Subsystem library ............. 159
DS4100 SATA Storage Server library ................ 160
DS4000 Storage Expansion Enclosure documents ........... 161
Other DS4000 and DS4000-related documents ............ 162
Appendix E. Accessibility .................... 163
Appendix F. European Directive About Product Recycling and Disposal 165
Appendix G. Battery Return Program ............... 167
Appendix H. Cable Warning ................... 169
Notices ........................... 171
Trademarks.......................... 171
Important notes ........................ 172
Product recycling and disposal .................. 172
Battery return program ..................... 173
Contact Information....................... 174
Electronic emission notices .................... 174
Federal Communications Commission (FCC) statement ........ 174
Chinese class Acompliance statement............... 174
Industry Canada Class Aemission compliance statement........ 175
Australia and New Zealand Class Astatement ............ 175
United Kingdom telecommunications safety requirement ........ 175
European Union EMC Directive conformance statement ........ 175
Taiwan Class Awarning statement ................ 175
Japanese Voluntary Control Council for Interference (VCCI) statement 176
Glossary .......................... 177
Index ............................ 187
vi IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Figures
1. DS4200 Express hot-swap drive bays .......................7
2. Back view; connectors, switch, ports, enclosure ID for the DS4200 Express .........9
3. Power supply and fan unit components for the DS4200 Express .............10
4. Power supply and fan unit and airflow .......................11
5. Battery unit .................................12
6. SFP module and fiber optic cable.........................13
7. DS4200 Express dimensions ..........................16
8. DS4200 Express airflow ............................18
9. Example of cold aisle/hot aisle rack configuration ...................21
10. Example of DS4200 Express serial number, machine type, and model number location .....24
11. Front rack mounting template ..........................29
12. Rear rack mounting template ..........................30
13. Installing the support rails ...........................32
14. Removing and replacing acontroller........................34
15. Removing apower supply and fan unit.......................35
16. Removing aEV-DDM CRU ...........................36
17. Installing the DS4200 Express ..........................37
18. Securing the DS4200 Express to the rack cabinet...................38
19. Removing and replacing acontroller........................39
20. Replacing apower supply and fan unit.......................40
21. Replacing an EV-DDM.............................41
22. Storage subsystem seven-segment enclosure ID on the DS4200 Express ..........43
23. SFP module and protective cap .........................46
24. Installing an SFP module into the host port .....................47
25. Unlocking the SFP module latch -plastic variety ...................47
26. Unlocking the SFP module latch -wire variety ....................48
27. LC-LC fibre-channel cable ...........................48
28. Removing fiber-optic cable protective caps .....................49
29. Inserting an LC-LC fibre-channel cable into an SFP module ...............50
30. LC-LC fibre-channel cable lever and latches.....................50
31. Removing the LC-LC fibre-channel cable ......................51
32. LC-SC fibre-channel cable adapter ........................51
33. Removing the LC-SC cable adapter protective caps ..................52
34. Connecting an LC-LC cable into the LC-SC cable adapter ...............53
35. LC-LC fibre-channel cable lever and latches.....................53
36. Removing the LC-LC fibre-channel cable from an LC-SC fibre-channel cable adapter .....54
37. Example of aredundant drive channel pair .....................56
38. DS4200 Express Storage Subsystem ports and controllers ...............58
39. One DS4200 Express and one storage expansion enclosure —Recommended cabling.....59
40. One DS4200 Express and two storage expansion enclosure —Not recommended cabling 60
41. One DS4200 Express and two storage expansion enclosure —Recommended cabling .....60
42. One DS4200 Express and three storage expansion enclosure —Recommended cabling ....61
43. One DS4200 Express and four storage expansion enclosure —Recommended cabling.....61
44. One DS4200 Express and up to six storage expansion enclosure —Recommended cabling 62
45. One DS4200 Express and up to six storage expansion enclosure —Not recommended ....63
46. One DS4200 Express and one EXP420 storage expansion enclosure —Recommended cabling 64
47. One DS4200 Express and two EXP420 storage expansion enclosures behind apair of DS4200
Express drive ports ..............................65
48. One DS4200 Express and three EXP420 storage expansion enclosures behind apair of DS4200
Express drive ports ..............................66
49. One DS4200 Express and four EXP420 storage expansion enclosures behind apair of DS4200
Express drive ports ..............................67
©Copyright IBM Corp. 2006 vii

50. One DS4200 Express and amaximum of six EXP420 storage expansion enclosures behind apair
of DS4200 Express drive ports..........................68
51. Ethernet and serial port locations on the DS4200 Express ...............70
52. Host-agent (in-band) managed storage subsystems ..................71
53. Direct (out-of-band) managed storage subsystems ..................72
54. Location of host cables on RAID controllers on the DS4200 Express............73
55. Cabling diagram for two redundant host connections..................74
56. Examples of redundant host direct attached fibre channel configurations ..........75
57. Example of asingle SAN fabric configuration ....................76
58. Example of adual SAN fabric configuration .....................76
59. Example of two storage subsystems in adual SAN environment .............77
60. Example of atwo-cluster configuration .......................77
61. Power supply switches and connectors for the DS4200 Express .............82
62. Power supply and fan unit LEDs .........................88
63. Front LEDs and controls ............................89
64. Battery unit LEDs ..............................90
65. Rear controller LEDs, controls, and connectors....................91
66. Numeric display LEDs .............................93
67. Cache Active LEDs ............................. 101
68. Battery unit LEDs .............................. 103
69. Unlocking the SFP module latch -plastic variety................... 107
70. Unlocking the SFP module latch -wire variety ................... 107
71. Removing acontroller from the DS4200 Express .................. 108
72. Installing acontroller ............................. 109
73. Hot-swap hard disk drive LEDs .........................113
74. EV-DDM CRU handle.............................113
75. Link rate LEDs ............................... 122
76. Link rate switch ............................... 122
77. Replacing apower supply and fan unit ...................... 127
78. Removing and replacing abattery unit from the controller chassis ............ 129
79. Replacing an SFP module ........................... 131
80. Replacing amidplane ............................ 133
81. DS4200 Express storage subsystem parts list.................... 141
82. Front rack mounting template.......................... 147
83. Rear rack mounting template .......................... 148
viii IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Tables
1. Where to find DS4000 installation and configuration procedures ............. xviii
2. Description of Figure 2on page 9.........................9
3. Description of Figure 3on page 10 ........................10
4. Description of Figure 5on page 12 ........................12
5. Software and firmware levels for the DS4200 Express Storage Subsystem .........14
6. DS4200 Express hardware and software compatibility .................14
7. DS4200 Express weights............................16
8. DS4200 Express component weights .......................17
9. DS4200 Express shipping carton dimensions ....................17
10. Temperature and humidity requirements ......................17
11. DS4200 Express altitude ranges .........................18
12. DS4200 Express power and heat dissipation ....................18
13. DS4200 Express sound levels ..........................18
14. DS4200 Express AC power requirements ......................19
15. Description of Figure 22 on page 43........................43
16. DS4200 Express Storage Subsystem host ports and drive channels ............58
17. DS4200 Express Storage Subsystem location of host ports on controllers ..........70
18. DS4200 Express Storage Subsystem location of host ports on controllers ..........73
19. Description of Figure 61 on page 82........................83
20. Board ID, Submodel ID, Product ID, and Product Revision for the DS4200 Express Storage
Subsystem .................................86
21. Product ID for supported storage expansion enclosures compatible with the DS4200 Express
Storage Subsystem ..............................86
22. Product ID for EV-DDMs for the DS4200 Express Storage Subsystem ...........86
23. Power supply and fan unit LEDs .........................89
24. Front LEDs and controls ............................89
25. Battery unit LEDs ..............................90
26. Rear controller LEDs, controls, and connectors....................91
27. Host and drive channel LED definitions ......................92
28. Numeric display diagnostic codes.........................94
29. Description of Figure 67 on page 101....................... 102
30. Battery unit LEDs .............................. 103
31. Drive LED activity ..............................112
32. Data transfer rates for drive modules ....................... 121
33. Symptom-to-FRU index ............................ 136
34. Parts listing (DS4200 Express Storage Subsystem).................. 141
35. Storage subsystem and controller information record ................. 143
36. Sample information record ........................... 145
37. Hard disk drive record ............................ 146
38. IBM power cords .............................. 149
39. DS4000 Storage Manager Version 9.1 titles by user tasks ............... 153
40. DS4800 Storage Subsystem document titles by user tasks ............... 154
41. DS4700 Storage Subsystem document titles by user tasks ............... 155
42. DS4500 Fibre Channel Storage Server document titles by user tasks ........... 156
43. DS4400 Fibre Channel Storage Server document titles by user tasks ........... 157
44. DS4300 Fibre Channel Storage Server document titles by user tasks ........... 158
45. DS4200 Express Storage Subsystem document titles by user tasks ........... 159
46. DS4100 SATA Storage Server document titles by user tasks .............. 160
47. DS4000 Storage Expansion Enclosure document titles by user tasks ........... 161
48. DS4000 and DS4000–related document titles by user tasks .............. 162
49. DS4000 Storage Manager alternate keyboard operations ............... 163
©Copyright IBM Corp. 2006 ix

xIBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Safety
The caution and danger statements that this document contains can be referenced
in the multilingual IBM
® Safety Information document that is provided with your IBM
System Storage
™ DS4200 Express Storage Subsystem. Each caution and danger
statement is numbered for easy reference to the corresponding statements in the
translated document.
vDanger: These statements indicate situations that can be potentially lethal or
extremely hazardous to you. Adanger statement is placed just before the
description of apotentially lethal or extremely hazardous procedure, step, or
situation.
vCaution: These statements indicate situations that can be potentially hazardous
to you. Acaution statement is placed just before the description of apotentially
hazardous procedure step or situation.
vAttention: These notices indicate possible damage to programs, devices, or
data. An attention notice is placed just before the instruction or situation in which
damage could occur.
Before installing this product, read the following danger and caution notices.
©Copyright IBM Corp. 2006 xi

Statement 1:
DANGER
Electrical current from power, telephone, and communication cables is
hazardous.
To avoid ashock hazard:
vDo not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical
storm.
vConnect all power cords to aproperly wired and grounded electrical
outlet.
vConnect to properly wired outlets any equipment that will be attached to
this product.
vWhen possible, use one hand only to connect or disconnect signal
cables.
vNever turn on any equipment when there is evidence of fire, water, or
structural damage.
vDisconnect the attached power cords, telecommunications systems,
networks, and modems before you open the device covers, unless
instructed otherwise in the installation and configuration procedures.
vConnect and disconnect cables as described in the following table when
installing, moving, or opening covers on this product or attached
devices.
To Connect: To Disconnect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
xii IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Statement 3:
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
vDo not remove the covers. Removing the covers of the laser product could
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
vUse of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser
diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly
with optical instruments, and avoid direct exposure to the beam.
Class 1Laser statement
Class 1 Laser Product
Laser Klasse 1
Laser Klass 1
Luokan 1 Laserlaite
Apparell Laser de Calsse 1À
IEC 825-11993 CENELEC EN 60 825
Statement 4:
≥18 kg (39.7 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb)
CAUTION:
Use safe practices when lifting.
Safety xiii

Statement 5:
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current
from the device, ensure that all power cords are disconnected from the power
source.
1
2
xiv IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Statement 8:
CAUTION:
Never remove the cover on apower supply or any part that has the following
label attached.
Hazardous voltage, current, and energy levels are present inside any
component that has this label attached. There are no serviceable parts inside
these components. If you suspect aproblem with one of these parts, contact
aservice technician.
Cable Warning:
WARNING: Handling the cord on this product or cords associated with accessories
sold with this product, will expose you to lead, achemical known to the State of
California to cause cancer, and birth defects or other reproductive harm. Wash
hands after handling.
Safety xv

xvi IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide

About this document
This document provides instructions for installing and customizing the configuration
of your IBM System Storage DS4200 Express Storage Subsystem. It also provides
maintenance procedures and troubleshooting information.
Who should read this document
This document is intended for system operators and service technicians who have
extensive knowledge of fibre channel and network technology.
How this document is organized
Chapter 1, “Introduction,” on page 1describes the IBM System Storage DS4200
Express Storage Subsystem. This chapter includes an inventory checklist and an
overview of the storage subsystem features, operating specifications, and
components.
Chapter 2, “Installing the storage subsystem,” on page 23 contains information on
how to install the DS4200 Express Storage Subsystem in astandard rack cabinet
and setting the interface options.
Chapter 3, “Cabling the storage subsystem,” on page 43 contains fibre channel and
power cabling information for the DS4200 Express Storage Subsystem.
Chapter 4, “Operating the storage subsystem,” on page 79 contains information on
how to power on and off the DS4200 Express Storage Subsystem, recover from an
overheated power supply and fan unit, troubleshoot, and interpret LEDs.
Chapter 5, “Replacing components,” on page 105 contains step-by-step instructions
about how to install or remove customer replaceable units (CRUs), such as
Enhanced Value Disk Drive Modules (EV-DDMs), power supply and fan units, RAID
controllers, battery units, midplane, and SFP modules.
Chapter 6, “Hardware maintenance,” on page 135 describes problems and
symptoms that are specific to the DS4200 Express Storage Subsystem. It also
provides aparts list for the DS4200 Express Storage Subsystem.
Appendix A, “Records,” on page 143 provides atable that you can use to record
and update important information about your DS4200 Express Storage Subsystem,
including serial number and device records.
Appendix B, “Rack mounting template,” on page 147 provides the rack mounting
templates for installation of the DS4200 Express Storage Subsystem. If you want to
tear out the templates from the document for use during installation, use these
copies of the templates.
Appendix C, “Power cords,” on page 149 lists power cord information for the
DS4200 Express Storage Subsystem.
Appendix D, “Additional DS4000 documentation,” on page 153 lists additional
DS4000 documents.
Appendix E, “Accessibility,” on page 163 details accessibility information.
©Copyright IBM Corp. 2006 xvii

Appendix F, “European Directive About Product Recycling and Disposal,” on page
165 details the European directive about product recycling.
DS4000 Storage Subsystem installation tasks -General overview
Table 1provides asequential list of many installation and configuration tasks that
are common to most DS4000 configurations. When you install and configure your
DS4000 storage subsystem, refer to this table to find the documentation that
explains how to complete each task.
See also: The DS4000 Storage Server and Storage Expansion Enclosure Quick
Start Guide provides an excellent overview of the installation process.
Table 1. Where to find DS4000 installation and configuration procedures
Installation task Where to find information or procedures
1Plan the installation vDS4000 Storage Manager Concepts Guide
vDS4000 Storage Manager Installation and Support Guide for
AIX, HP-UX, Solaris and Linux on POWER
vDS4000 Storage Manager Installation and Support Guide for
Windows 2000/Server 2003, NetWare, ESX Server, and
Linux
vDS4100 Storage Server Installation, User’s, and Maintenance
Guide
vDS4200 Express Storage Subsystem Installation, User’s, and
Maintenance Guide
vDS4300 Fibre Channel Storage Server Installation and User’s
Guide
vDS4400 Fibre Channel Storage Server Installation and
Support Guide
vDS4500 Fibre Channel Storage Server Installation and
Support Guide
vDS4700 Storage Subsystem Installation, User’s, and
Maintenance Guide
vDS4800 Storage Subsystem Installation, User’s, and
Maintenance Guide
2Mount the DS4000
storage subsystem in
the rack
vDS4800 Installation, User’s, and Maintenance Guide
vDS4700 Installation, User’s, and Maintenance Guide
vDS4400 and DS4500 Rack Mounting Instructions
vDS4300 Rack Mounting Instructions
vDS4200 Express Installation, User’s, and Maintenance Guide
vDS4100 Installation, User’s and Maintenance Guide
3Mount the DS4000
EXP storage
expansion unit in the
rack
vDS4000 EXP100 Storage Expansion Unit Installation, User’s
and Maintenance Guide
vDS4000 EXP420 Storage Expansion Enclosures Installation,
User’s, and Maintenance Guide
vDS4000 EXP700 and EXP710 Storage Expansion Enclosures
Installation, User’s, and Maintenance Guide
vDS4000 EXP810 Storage Expansion Enclosures Installation,
User’s, and Maintenance Guide
vFAStT EXP500 Installation and User’s Guide
xviii IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide