IBM System Storage DS4000 EXP420 Operating instructions

IBM System Storage DS4000 EXP420
Storage Expansion Enclosure
Installation, User’s and Maintenance Guide
GC27-2050-02


IBM System Storage DS4000 EXP420
Storage Expansion Enclosure
Installation, User’s and Maintenance Guide
GC27-2050-02


Note:
Before using this information and the product it supports, be sure to read the general information in “Notices” on page 137.
Third Edition (December 2007)
©Copyright International Business Machines Corporation 2006, 2007. 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 ................ xxii
Before you call........................ xxii
Using the documentation .................... xxii
Finding DS4000 readme files .................. xxiii
Web sites ......................... xxiii
Software service and support .................. xxiv
Hardware service and support .................. xxiv
Fire suppression systems ................... xxv
How to send your comments .................. xxv
Chapter 1. Introduction ......................1
Overview ...........................1
Operating system support ....................2
Fibre channel defined ......................2
SATA defined .........................2
Inventory checklist ........................2
EXP420 components .......................3
Enhanced Value Disk Drive Modules (EV-DDMs) ............3
Environmental Service Modules (ESMs) ...............4
Connectors, switch, and enclosure ID ...............5
Rear drive channel ports ....................6
Power supply and fan units ....................6
Small Form-Factor Pluggable (SFP) modules .............8
Software and hardware compatibility and upgrades ............9
Software and firmware support code upgrades.............9
EXP420 hardware and software compatibility .............10
Determining firmware levels ...................10
Product updates and support notifications ..............12
Best practices guidelines ....................12
Specifications .........................13
Area requirements ......................13
Dimensions ........................13
Weight ..........................14
Shipping dimensions .....................14
Environmental requirements and specifications ............14
Temperature and humidity ...................15
Altitude ..........................15
Airflow and heat dissipation ..................15
Acoustic noise .......................16
Electrical requirements .....................16
Site wiring and power ....................17
Power recovery after ac power failure ..............17
Power cords and receptacles..................17
©Copyright IBM Corp. 2006, 2007 iii

Heat output, airflow, and cooling .................17
Chapter 2. Installing the EXP420..................19
Installation overview .......................19
Handling static-sensitive devices ..................20
Preparing for installation .....................21
Tools and hardware required ...................21
Preparing the site .......................22
Preparing the rack ......................22
Installing the support rails .....................23
Installing the EXP420 ......................26
Removing the CRUs ......................26
Removing an ESM .....................27
Removing apower supply and fan unit ..............28
Removing an EV-DDM ....................29
Installing the EXP420 into arack .................30
Replacing the EXP420 CRUs ..................32
Replacing an ESM .....................32
Replacing apower supply and fan unit ..............33
Replacing an EV-DDM ....................34
Chapter 3. Cabling the EXP420 ..................37
Enclosure ID settings ......................37
Fibre-channel loop and ID settings..................38
Cabling the EXP420 .......................38
Installing SFP modules ......................39
Removing SFP modules .....................41
Handling fibre-optic cables ....................42
Using LC-LC fibre-channel cables ..................43
Connecting an LC-LC cable to an SFP module ............44
Removing an LC-LC fibre-channel cable ..............45
Cabling the EXP420 to astorage subsystem ..............46
EXP420 loop redundancy .....................48
Example of acorrect redundant drive loop ..............48
Example of an incorrect redundant drive loop.............50
Cabling the power supply .....................52
Chapter 4. Operating the EXP420 .................53
Performing the DS4000 Health Check process .............53
Web pages .........................54
Hardware responsibilities ....................54
Powering on the EXP420 .....................55
Turning on the EXP420 ....................55
Firmware updates ........................57
Finding controller, storage expansion enclosure, and drive information ....58
Troubleshooting the storage expansion enclosure ............59
Checking the LEDs .......................59
Power supply and fan unit LEDs .................60
Front LEDs .........................60
Rear LEDs .........................61
Seven-segment numeric display .................62
Powering off the storage expansion enclosure .............64
Turning off the EXP420 ....................64
Performing an emergency shutdown ................67
Restoring power after an unexpected shutdown ............67
Recovering from an overheated power supply and fan unit .........68
iv IBM System Storage DS4000 EXP420 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide

Chapter 5. Installing and replacing devices .............73
Handling static-sensitive devices ..................73
Service Action Allowed Status LED .................73
Adding the EXP420 to an existing and configured redundant drive channel/loop
pair ............................74
Working with hot-swap EV-DDMs ..................76
Installing hot-swap EV-DDMs...................78
Replacing hot-swap EV-DDMs ..................80
Replacing multiple EV-DDMs...................81
Replacing all EV-DDMs at the same time .............82
Replacing the EV-DDMs one at atime ..............84
Verifying the Link Rate setting ...................86
Replacing apower supply and fan unit ................89
Replacing an Environmental Service Module (ESM) ...........94
Replacing an SFP module ....................96
Replacing amidplane ......................98
Chapter 6. Hardware maintenance ................ 101
General checkout ....................... 101
Solving problems ....................... 101
Parts listing.......................... 107
Appendix A. Records ..................... 109
Identification numbers ...................... 109
Storage subsystem and controller information record ..........110
Sample information record ................... 111
Installed device records .....................112
Appendix B. Rack mounting template ...............113
Appendix C. Power cords ....................117
Appendix D. Additional DS4000 documentation ........... 121
DS4000 Storage Manager Version 10 library ............. 121
DS4800 Storage Subsystem library ................. 122
DS4700 Storage Subsystem library ................. 123
DS4500 Storage Subsystem library ................. 124
DS4400 Storage Subsystem library ................. 125
DS4300 Storage Subsystem library ................. 126
DS4200 Express Storage Subsystem library ............. 127
DS4100 Storage Subsystem library ................. 128
DS4000 Storage Expansion Enclosure documents ........... 129
Other DS4000 and DS4000-related documents ............ 130
Appendix E. Accessibility .................... 131
Appendix F. Product Recycling and Disposal ............ 133
Appendix G. Battery Return Program ............... 135
Notices ........................... 137
Trademarks.......................... 137
Important notes ........................ 138
Product recycling and disposal .................. 138
Battery return program ..................... 139
Contact Information ....................... 140
Contents v

Electronic emission notices .................... 140
Federal Communications Commission (FCC) statement ........ 140
Chinese class Acompliance statement............... 140
Industry Canada Class Aemission compliance statement ........ 141
Australia and New Zealand Class Astatement ............ 141
United Kingdom telecommunications safety requirement ........ 141
European Union EMC Directive conformance statement ........ 141
Taiwan Class Awarning statement ................ 141
Japanese Voluntary Control Council for Interference (VCCI) statement 142
Glossary .......................... 143
Index ............................ 153
vi IBM System Storage DS4000 EXP420 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide

Figures
1. EXP420 hot-swap drive bays ...........................3
2. Back view; power switch, enclosure ID, and connectors .................5
3. Rear view of drive channel ports .........................6
4. Power supply and fan unit components .......................7
5. Power supply and fan unit and airflow .......................8
6. SFP module and fibre optic cable .........................9
7. EXP420 dimensions .............................14
8. EXP420 airflow ...............................16
9. Example of cold aisle/hot aisle rack configuration ...................18
10. Example of EXP420 serial number, machine type, and model number location ........20
11. Front rack mounting template ..........................23
12. Rear rack mounting template ..........................24
13. Installing the support rails ...........................26
14. Removing and replacing an Environmental Service Module (ESM) ............28
15. Removing apower supply and fan unit .......................29
16. Removing aEV-DDM CRU ...........................30
17. Installing the EXP420 .............................31
18. Securing the storage expansion enclosure to the rack .................32
19. Removing and replacing an Environmental Service Module (ESM) ............33
20. Replacing apower supply and fan unit .......................34
21. Replacing an EV-DDM .............................35
22. Storage expansion enclosure seven-segment enclosure ID ...............38
23. SFP module and protective cap .........................40
24. Installing an SFP module into the host port .....................41
25. Unlocking the SFP module latch -plastic variety ...................41
26. Unlocking the SFP module latch -wire variety ....................42
27. Recommended bending and looping specifications for fibre-optic cables ..........43
28. LC-LC fibre-channel cable ...........................43
29. Removing fibre-optic cable protective caps .....................44
30. Inserting an LC-LC fibre-channel cable into an SFP module ...............45
31. LC-LC fibre-channel cable lever and latches .....................45
32. Removing the LC-LC fibre-channel cable ......................46
33. Installing an SFP module and LC-LC cable in asupported DS4000 storage subsystem .....47
34. Installing an SFP module and connecting an LC-LC cable to the EXP420 ..........48
35. Correct EXP420 redundant drive loop configuration ..................49
36. Incorrect EXP420 redundant drive loop configuration .................51
37. Power supply switches and connectors.......................56
38. Power supply and fan unit LEDs .........................60
39. Front LEDs .................................61
40. Rear LEDs, controls, and connectors .......................62
41. Numeric display LEDs .............................63
42. Power supply switches.............................70
43. Cabling the EXP420 to an existing and configured drive loop ..............75
44. Hot-swap EV-DDM LEDs ............................79
45. EV-DDM CRU handle .............................80
46. Link rate LEDs ...............................88
47. Link rate switch ...............................88
48. Replacing apower supply and fan unit .......................93
49. Removing and replacing an Environmental Service Module (ESM) ............95
50. Replacing an SFP module ...........................97
51. Replacing amidplane .............................99
52. EXP420 storage expansion enclosure parts list ................... 108
53. Front rack mounting template ..........................114
©Copyright IBM Corp. 2006, 2007 vii

54. Rear rack mounting template ..........................115
viii IBM System Storage DS4000 EXP420 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide

Tables
1. Where to find DS4000 installation and configuration procedures ............. xviii
2. Description of Figure 2on page 5.........................5
3. Description of Figure 3on page 6.........................6
4. Description of Figure 4on page 7.........................7
5. Software and firmware levels for the EXP420 .....................9
6. EXP420 hardware and software compatibility ....................10
7. EXP420 weights ...............................14
8. EXP420 component weights ..........................14
9. EXP420 shipping carton dimensions........................14
10. Temperature and humidity requirements ......................15
11. EXP420 altitude ranges ............................15
12. EXP420 power and heat dissipation ........................16
13. EXP420 sound levels .............................16
14. EXP420 ac power requirements .........................17
15. Description of Figure 37 on page 56........................57
16. Power supply and fan unit LEDs .........................60
17. Front LEDs and controls ............................61
18. Rear LEDs, controls, and connectors .......................62
19. Numeric display diagnostic codes.........................64
20. Description of Figure 42 on page 70........................70
21. Drive LED activity ..............................78
22. Data transfer rates for drive modules .......................87
23. Symptom-to-FRU index ............................ 102
24. Parts listing (EXP420 storage expansion enclosure) ................. 108
25. Storage subsystem and controller information record .................110
26. Sample information record ........................... 111
27. Hard disk drive record ............................112
28. IBM power cords ..............................117
29. DS4000 Storage Manager Version 10 titles by user tasks ............... 121
30. DS4800 Storage Subsystem document titles by user tasks ............... 122
31. DS4700 Storage Subsystem document titles by user tasks ............... 123
32. DS4500 Storage Subsystem document titles by user tasks ............... 124
33. DS4400 Storage Subsystem document titles by user tasks ............... 125
34. DS4300 Storage Subsystem document titles by user tasks ............... 126
35. DS4200 Express Storage Subsystem document titles by user tasks ........... 127
36. DS4100 Storage Subsystem document titles by user tasks ............... 128
37. DS4000 Storage Expansion Enclosure document titles by user tasks ........... 129
38. DS4000 and DS4000–related document titles by user tasks .............. 130
39. DS4000 Storage Manager alternate keyboard operations ............... 131
©Copyright IBM Corp. 2006, 2007 ix

xIBM System Storage DS4000 EXP420 Storage Expansion Enclosure: 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™EXP420 storage expansion enclosure. 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, 2007 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 DS4000 EXP420 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide

Statement 3:
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fibre 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
Safety xiii

Statement 4:
≥18 kg (39.7 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb)
CAUTION:
Use safe practices when lifting.
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 DS4000 EXP420 Storage Expansion Enclosure: 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 DS4000 EXP420 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide

About this document
This document provides instructions for installing and customizing the configuration
of your IBM®System Storage DS4000 EXP420 storage expansion enclosure. 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 EXP420
storage expansion enclosure. This chapter includes an inventory checklist and an
overview of the storage expansion enclosure features, operating specifications, and
components.
Chapter 2, “Installing the EXP420,” on page 19 contains information on how to
install the EXP420.
Chapter 3, “Cabling the EXP420,” on page 37 contains information on how to cable
the EXP420.
Chapter 4, “Operating the EXP420,” on page 53 contains information on how to
power on and off the storage expansion enclosure, recover from an overheated
power supply and fan unit, troubleshoot the storage expansion enclosure, and
interpret LEDs.
Chapter 5, “Installing and replacing devices,” on page 73 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,
environmental service modules (ESMs), midplane, and SFP modules.
Chapter 6, “Hardware maintenance,” on page 101 describes problems and
symptoms that are specific to your storage expansion enclosure. It also provides a
parts list for the EXP420.
Appendix A, “Records,” on page 109 provides atable that you can use to record
and update important information about your EXP420, including serial number and
device records. Whenever you add options to your EXP420, be sure to update the
information in this table.
Appendix B, “Rack mounting template,” on page 113 provides the rack mounting
templates for installation of the EXP420. 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 117 lists power cord information for the
EXP420.
Appendix D, “Additional DS4000 documentation,” on page 121 lists additional
DS4000 documents.
Appendix E, “Accessibility,” on page 131 details accessibility information.
©Copyright IBM Corp. 2006, 2007 xvii

Appendix F, “Product Recycling and Disposal,” on page 133 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.
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 Host Support
Guide for AIX, HP-UX, Solaris, and Linux on POWER
vDS4000 Storage Manager Installation and Host Support
Guide for Windows 2000/Server 2003/2008, NetWare,
VMWare ESX Server, and Linux
vDS4100 Storage Subsystem Installation, User’s, and
Maintenance Guide
vDS4200 Express Storage Subsystem Installation, User’s, and
Maintenance Guide
vDS4300 Storage Subsystem Installation, User's, and
Maintenance Guide
vDS4400 Fibre Channel Storage Server Installation and
Support Guide
vDS4500 Storage Subsystem Installation, User's, and
Maintenance Guide
vDS4700 Express Storage Subsystem Installation, User’s, and
Maintenance Guide
vIBM System Storage Quick Start Guide, Quick reference for
the DS4800
vDS4800 Storage Subsystem Installation, User’s, and
Maintenance Guide
vIBM System Storage Quick Start Guide, Quick reference for
the DS4700 and DS4200, Sections 2, 3, and 4also for
installing the EXP810 and EXP420
2Mount the DS4000
storage subsystem in
the rack
vDS4800 Storage Subsystem Installation, User’s, and
Maintenance Guide
vIBM System Storage Quick Start Guide, Quick reference for
the DS4800
vDS4700 Express Storage Subsystem Installation, User’s, and
Maintenance Guide
vIBM System Storage Quick Start Guide, Quick reference for
the DS4700 and DS4200, Sections 2, 3, and 4also for
installing the EXP810 and EXP420
vDS4400 and DS4500 Rack Mounting Instructions
vDS4300 Rack Mounting Instructions
vDS4200 Express Storage Subsystem Installation, User’s, and
Maintenance Guide
vDS4100 Storage Subsystem Installation, User’s and
Maintenance Guide
xviii IBM System Storage DS4000 EXP420 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide