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IBM DS5020 Figure 63 shows iSCSI and Fibre Channel hosts in a multiple-port configuration.

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Figure 63 shows iSCSI and Fibre Channel hosts in a multiple-port configuration.

Gigabit

Ethernet

switch

Host system

with two iSCSI

connectors

DS5020

Host system

with two iSCSI

connectors

Ethernet

switch

Figure62. Example of a multiple-host, multiple-port configuration

Gigabit

Ethernet

switch

Host 1 with a

dual-port Fibre

Channel HBA

DS5020

Fibre

Channel

switch

Controller A Controller B

Fibre

Channel

ports

iSCSI

ports

Fibre

Channel

ports

Host 2 with two

single-port

iSCSI HBAs

iSCSI

ports

Figure63. Example of iSCSI and Fibre Channel hosts, multiple-port configuration

Chapter3. Cabling the storage subsystem 89

Contents

Main Page Page Page Contents iv Page vi Page Page Figures x Tables Page Safety xiv Page xvi Page Page About this document Who should read this document How this document is organized DS5020 and DS4000-family storage subsystem installation tasks - General overview xx Page xxii Page Getting information, help, and service Before you call xxiv Using the documentation Finding DS5020 and DS4000-family readme files Web sites Software service and support Hardware service and support xxvi Fire suppression systems Page Chapter 1. Introduction Overview Base DS5020 features 2 Operating system support Fibre Channel defined SATAdefined iSCSI defined Inventory checklist 4 Product updates and support notifications Best practices guidelines Storage subsystem components 6 Enhanced Disk Drive Modules (E-DDMs) Controllers 8 Connectors, switch, and enclosure ID Figure2. Back view; controllers with two standard Fibre Channel host expansion channels 10 Setting up IP addresses for DS5020 storage controllers 12 AC power supply and fan units Page Page SFP modules 16 Software and hardware compatibility and upgrades Software and firmware support code upgrades Determining firmware levels 18 Specifications Area requirements Dimensions Weight Shipping dimensions Environmental requirements and specifications 20 Temperature and humidity Altitude Table7 lists the acceptable altitudes for operating, storing, and shipping the DS5020. Airflow and heat dissipation Shock and vibration requirements Acoustic noise 22 Electrical requirements Power and site wiring requirements Heat output, airflow, and cooling 24 Page Page Chapter 2. Installing the storage subsystem Installation overview 28 Handling static-sensitive devices Preparing for installation 30 Tools and hardware required Preparing the site Preparing the rack cabinet Installing the support rails 32 Page REAR Rack Mounting Template DS5020 34 Page Installing the DS5020 Removing the CRUs 36 Removing a controller Removing an ac power supply and fan unit 38 Removing an E-DDM Installing the DS5020 into a rack on the support rails 40 Page Replacing the components Replacing a controller 42 Replacing an ac power supply and fan unit Replacing an E-DDM 44 Chapter 3. Cabling the storage subsystem Enclosure ID settings Fibre Channel loop and ID settings Working with SFPs and fiber-optic cables 46 Handling fiber-optic cables Installing SFP modules 48 Page Removing SFP modules 50 Using LC-LC Fibre Channel cables Connecting an LC-LC cable to an SFP module 52 Page Removing an LC-LC Fibre Channel cable Connecting storage expansion enclosures to the DS5020 54 Redundant drive channel pair Overview of steps to connect storage expansion enclosures to a storage subsystem Redundant Drive Channel pair 56 DS5020 DS5020 storage subsystem drive cabling topologies 58 One DS5020 and one storage expansion enclosure One DS5020 and two storage expansion enclosures 60 Page One DS5020 and three storage expansion enclosures 62 Figure40. Cabling for one DS5020 and three storage expansion enclosures One DS5020 and four storage expansion enclosures Figure41. Cabling for one DS5020 and four storage expansion enclosures One DS5020 and up to six storage expansion enclosures 64 DS5020 Port 2, drive channel 1 Port 1, drive channel 1 Port 1, drive channel 2 Port 2, drive channel 2 Page One DS5020 and two or more storage expansion enclosures in a mixed configuration 66 DS5020 storage subsystem and supported storage expansion enclosure drive cabling schemes DS5020 storage subsystem drive cabling rules 68 Figure45. DS5020 drive ports connected to EXP810 ESM ports labeled 1B One DS5020 and one EXP520 storage expansion enclosure EXP520 70 One DS5020 and two EXP520 storage expansion enclosures One DS5020 and three or more EXP520 storage expansion enclosures EXP520 three 72 Page EXP520 three 74 EXP520 four Page Perform the following steps to create the cabling scheme shown in Figure 50: 76 Page Storage expansion enclosure settings Fibre Channel loop and ID settings 78 Storage expansion enclosure ID settings Connecting secondary interface cables Configuring the storage subsystem Storage subsystem management methods Host-agent (in-band) management method 80 Direct (out-of-band) management method Connecting hosts to the DS5020 using Fibre Channel host ports 82 Page Fibre Channel and iSCSI connections 84 Fibre Channel host loop configurations Redundant Fibre Channel host loops 86 iSCSI configurations DS5020 host iSCSI configurations 88 Figure 63 shows iSCSI and Fibre Channel hosts in a multiple-port configuration. Figure62. Example of a multiple-host, multiple-port configuration Figure63. Example of iSCSI and Fibre Channel hosts, multiple-port configuration 90 Installing the storage subsystem configuration Cabling the ac power supply Page Chapter 4. Operating the storage subsystem Performing the DS5020 Health Check process Web pages Hardware responsibilities 94 Powering on the storage subsystem Turning on the storage subsystem 96 Installing the DS Storage Manager client Monitoring status through software 98 Finding controller, storage expansion enclosure, and drive information Firmware updates Troubleshooting the storage subsystem 100 Checking the LEDs AC power supply and fan unit LEDs Front LEDs This section describes the primary LEDs and controls on the front of the DS5020 storage subsystem. 102 Battery unit LEDs This section describes the primary LEDs on the storage subsystem battery units. Controller LEDs 104 Page 106 Seven-segment numeric display LEDs 108 Powering off the storage subsystem Turning off the storage subsystem 110 Page Performing an emergency shutdown Restoring power after an unexpected shutdown 112 Page Recovering from an overheated power supply and fan unit 114 Page Cache memory and cache battery Cache memory 116 Subsystem cache battery 118 Page Page Chapter 5. Replacing components Handling static-sensitive devices Service Action Allowed Status LED Replacing a controller 122 Page 124 Page Working with hot-swap E-DDMs 126 Page Installing hot-swap E-DDMs 128 Page Replacing hot-swap E-DDMs 130 Replacing multiple E-DDMs Replacing all E-DDMs at the same time 132 Page Replacing the E-DDMs one at a time 134 Page Verifying the link rate setting 136 Page 138 Replacing an ac power supply and fan unit 140 Page 142 Page Replacing a battery unit 144 Page Replacing an SFP module 146 Page 148 Replacing a midplane 150 Page 152 Chapter 6. Hardware maintenance General checkout Solving problems 154 Page 156 Page 158 Page Parts listing Figure 88 and provides a parts listing for the DS5020. 160 Page 162 Appendix A. Records Identification numbers Storage subsystem and controller information record 164 Sample information record Installed device records 166 Appendix B. Rack mounting templates Page Page Page Appendix C. Specifications for non-IBM rack installation General safety requirements for IBM products installed in a non-IBM rack or cabinet 172 Rack specifications 174 EIA Hole Spacing 176 Page Page Appendix D. Power cords 180 Page Page Appendix E. Additional DS5020 documentation DS Storage Manager Version 10 library DS5020 storage subsystem library Table27 associates each document in the DS5020 storage subsystem library with 184 DS4800 storage subsystem library Table28 associates each document in the DS4800 storage subsystem library with DS4700 storage subsystem library Table29 associates each document in the DS4700 storage subsystem library with 186 DS4500 storage subsystem library Table30 associates each document in the DS4500 (previously FAStT900) storage DS4400 storage subsystem library Table31 associates each document in the DS4400 (previously FAStT700) storage 188 DS4300 storage subsystem library Table32 associates each document in the DS4300 (previously FAStT600) storage DS4200 Express storage subsystem library 190 DS4100 Storage subsystem library Table34 associates each document in the DS4100 (previously FAStT100) storage DS5000 and DS4000 storage expansion enclosure documents Table35 associates each of the following documents with its related common user tasks. 192 Other DS5000 and DS4000-related documents Table36 associates each of the following documents with its related common user tasks. Page Appendix F. Accessibility 196 Notices Trademarks Important notes 198 Particulate contamination Documentation format Electronic emission notices Federal Communications Commission (FCC) statement Industry Canada Class A emission compliance statement 200 Avis de conformit la rglementation dIndustrie Canada Australia and New Zealand Class A statement European Union EMC Directive conformance statement Taiwanese Class A warning statement Germany Electromagnetic Compatibility Directive People's Republic of China Class A warning statement Glossary 204 Page 206 Page 208 Page 210 Page Page Index A B C D E 214 F G I L M N O R S 216 T U W