Dell PowerVault MD3600f Series User manual

Dell PowerVault MD3600f and
MD3620f Storage Arrays
Owner’s Manual
Regulatory Model: E03J Series and E04J Series
Regulatory Type: E03J001 and E04J001
book.book Page 1 Friday, September 23, 2011 2:46 PM

Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of
your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal
injury, or death.
____________________
Information in this publication is subject to change without notice.
© 2011 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
is strictly forbidden.
Trademarks used in this text: Dell™, the DELL logo, PowerEdge™, PowerVault™, and
OpenManage™ are trademarks of Dell Inc. Intel
®
is a registered trademarks of Intel Corporation in
the U.S. and other countries. Microsoft®, Windows®, Windows Server®, MS-DOS®, and Internet
Explorer®are either trademarks or registered trademarks of Microsoft Corporation in the United States
and/or other countries. Red Hat®and Red Hat Enterprise Linux®are registered trademarks of Red
Hat, Inc. in the United States and other countries. SUSE®is a registered trademark of Novell, Inc. in
the United States and other countries.
Other trademarks and trade names may be used in this publication to refer to either the entities claiming
the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and
trade names other than its own.
Regulatory Model: E03J Series and E04J Series
Regulatory Type: E03J001 and E04J001
2011 - 09 Rev. A01
book.book Page 2 Friday, September 23, 2011 2:46 PM

Contents 3
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 21
About This Document . . . . . . . . . . . . . . . . . . 21
Inside the Box of the Dell PowerVault MD3600f
Series Storage Array. . . . . . . . . . . . . . . . . . . 22
MD3600f Series Storage Array . . . . . . . . . . . 22
Dell PowerVault Modular Disk Storage
Manager . . . . . . . . . . . . . . . . . . . . . . 22
Other Information You May Need . . . . . . . . . . . . 23
2 Planning: About Your Storage Array . . . . 25
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 25
Hardware Features . . . . . . . . . . . . . . . . . . . 26
Front-Panel Features and Indicators . . . . . . . 26
Back Panel Features and Indicators . . . . . . . . 29
Hard–Drive Indicator Patterns. . . . . . . . . . . . . . 30
Power Supply and Cooling Fan Features . . . . . . . . 31
Power Indicator Codes and Features . . . . . . . . . . 32
3 Planning: RAID Controller Modules . . . . 33
RAID Controller Modules . . . . . . . . . . . . . . . . 33
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4Contents
RAID Controller Module Connectors and Features . . . 34
Host Channel LED Link/Rate Indications . . . . . . . . 36
RAID Controller Module—Additional Features . . . . . 36
Battery Backup Unit . . . . . . . . . . . . . . . . 36
Storage Array Thermal Shutdown . . . . . . . . . 37
System Password Reset . . . . . . . . . . . . . . 37
Cache Functions and Features. . . . . . . . . . . . . . 37
Cache Mirroring. . . . . . . . . . . . . . . . . . . 37
Write–Back Cache . . . . . . . . . . . . . . . . . 38
Write–Through Cache . . . . . . . . . . . . . . . 38
SFP Transceivers, Fiber Optic, and SAS Cables. . . . . 38
Interoperability of 2 Gbps, 4 Gbps, and
8 Gbps Devices . . . . . . . . . . . . . . . . . . . . . . 40
4 Planning: MD3600f Series Storage
Array Terms and Concepts . . . . . . . . . . . 41
Physical Disks, Virtual Disks, and Disk Groups . . . . . 41
Physical Disks . . . . . . . . . . . . . . . . . . . . 42
Physical Disk States . . . . . . . . . . . . . . . . 42
Self-Monitoring Analysis and Reporting
Technology . . . . . . . . . . . . . . . . . . . . . 43
Virtual Disks and Disk Groups . . . . . . . . . . . 43
Virtual Disk States . . . . . . . . . . . . . . . . . 44
RAID Levels. . . . . . . . . . . . . . . . . . . . . . . . 45
RAID Level Usage . . . . . . . . . . . . . . . . . . 45
Segment Size. . . . . . . . . . . . . . . . . . . . . . . 47
Virtual Disk Operations . . . . . . . . . . . . . . . . . 47
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Contents 5
Virtual Disk Initialization . . . . . . . . . . . . . . 47
Background Initialization . . . . . . . . . . . . . . 48
Foreground Initialization . . . . . . . . . . . . . . 48
Consistency Check . . . . . . . . . . . . . . . . . 48
Media Verification . . . . . . . . . . . . . . . . . 48
Cycle Time . . . . . . . . . . . . . . . . . . . . . 49
Virtual Disk Operations Limit . . . . . . . . . . . . 49
Disk Group Operations. . . . . . . . . . . . . . . . . . 50
RAID Level Migration . . . . . . . . . . . . . . . . 50
Segment Size Migration . . . . . . . . . . . . . . 50
Virtual Disk Capacity Expansion . . . . . . . . . . 51
Disk Group Expansion . . . . . . . . . . . . . . . 51
Disk Group Defragmentation . . . . . . . . . . . . 51
Disk Group Operations Limit . . . . . . . . . . . . 51
RAID Background Operations Priority . . . . . . . . . 52
Virtual Disk Migration and Disk Roaming. . . . . . . . 53
Disk Migration . . . . . . . . . . . . . . . . . . . 53
Disk Roaming . . . . . . . . . . . . . . . . . . . . 55
Advanced Features . . . . . . . . . . . . . . . . . . . 55
Host Server–to–Virtual Disk Mapping . . . . . . . 55
Host Types . . . . . . . . . . . . . . . . . . . . . 56
Snapshot Virtual Disks . . . . . . . . . . . . . . . 56
Snapshot Repository Virtual Disk. . . . . . . . . . 57
Virtual Disk Copy . . . . . . . . . . . . . . . . . . 57
Virtual Disk Recovery . . . . . . . . . . . . . . . . 58
Using Snapshot and Disk Copy Together. . . . . . 59
Multi-Path Software . . . . . . . . . . . . . . . . . . . 59
Preferred and Alternate Controllers and Paths . . 59
Virtual Disk Ownership . . . . . . . . . . . . . . . 60
Load Balancing . . . . . . . . . . . . . . . . . . . . . 60
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6Contents
Monitoring MD3600f Series System Performance . . . 61
5 Configuration: Overview . . . . . . . . . . . . 65
User Interface . . . . . . . . . . . . . . . . . . . . . . 65
Enterprise Management Window . . . . . . . . . 66
Array Management Window . . . . . . . . . . . . 67
6 Configuration: About Your
Storage Array . . . . . . . . . . . . . . . . . . . . . 69
Storage Arrays . . . . . . . . . . . . . . . . . . . . . . 70
Adding Storage Arrays . . . . . . . . . . . . . . . 70
Setting Up Your Storage Array . . . . . . . . . . . 72
Locating Storage Arrays . . . . . . . . . . . . . . 73
Naming or Renaming Storage Arrays. . . . . . . . 73
Setting a Password . . . . . . . . . . . . . . . . . 75
Viewing Storage Array Connections . . . . . . . . 76
Adding/Editing a Comment to an Existing
Storage Array . . . . . . . . . . . . . . . . . . . . 77
Removing Storage Arrays. . . . . . . . . . . . . . 77
Enabling Premium Features. . . . . . . . . . . . . 78
Failover Alert Display . . . . . . . . . . . . . . . . 78
Changing the Cache Settings on the
Storage Array . . . . . . . . . . . . . . . . . . . . 79
Changing Expansion Enclosure ID Number . . . . 79
Changing the Enclosure Order in the
Physical Pane . . . . . . . . . . . . . . . . . . . . 80
Configuring Alert Notifications . . . . . . . . . . . . . 80
Configuring E–mail Alerts . . . . . . . . . . . . . . 81
Configuring SNMP Alerts . . . . . . . . . . . . . . 83
Battery Settings . . . . . . . . . . . . . . . . . . . . . 85
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Contents 7
Setting the Storage Array RAID Controller
Module Clocks . . . . . . . . . . . . . . . . . . . 86
7 Configuration: Event Monitor . . . . . . . . . 87
Enabling or Disabling the Event Monitor . . . . . . . . 88
Windows . . . . . . . . . . . . . . . . . . . . . . 88
Linux . . . . . . . . . . . . . . . . . . . . . . . . 88
8 Configuration: About Your Host . . . . . . . . 89
Configuring Host Access . . . . . . . . . . . . . . . . 89
Using the Mappings Tab . . . . . . . . . . . . . . . . . 90
Defining a Host . . . . . . . . . . . . . . . . . . . 90
Removing Host Access . . . . . . . . . . . . . . . . . 92
Managing Host Groups . . . . . . . . . . . . . . . . . 92
Creating a Host Group . . . . . . . . . . . . . . . 93
Moving a Host to a Different Host Group. . . . . . 94
Removing a Host Group. . . . . . . . . . . . . . . 94
Host Topology. . . . . . . . . . . . . . . . . . . . 95
Starting or Stopping the Host Context Agent. . . . 95
I/O Data Path Protection . . . . . . . . . . . . . . . . . 96
Managing Host Port Identifiers . . . . . . . . . . . . . 97
9 Configuration: Disk Groups and
Virtual Disks . . . . . . . . . . . . . . . . . . . . . 101
Creating Disk Groups and Virtual Disks. . . . . . . . . 101
Creating Disk Groups . . . . . . . . . . . . . . . . 102
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8Contents
Locating a Disk Group . . . . . . . . . . . . . . 104
Creating Virtual Disks . . . . . . . . . . . . . . . 104
Changing the Virtual Disk Modification
Priority . . . . . . . . . . . . . . . . . . . . . . 106
Changing the Virtual Disk Cache Settings . . . . 107
Changing the Segment Size of a
Virtual Disk . . . . . . . . . . . . . . . . . . . . 109
Changing the I/O Type. . . . . . . . . . . . . . . 110
Choosing an Appropriate Physical Disk Type . . . . . 111
Physical Disk Security With Self Encrypting Disk . . 112
Creating a Security Key. . . . . . . . . . . . . . 114
Changing a Security Key . . . . . . . . . . . . . 116
Saving a Security Key. . . . . . . . . . . . . . . 117
Validate Security Key . . . . . . . . . . . . . . . 118
Unlocking Secure Physical Disks . . . . . . . . . 119
Erasing Secure Physical Disks . . . . . . . . . . 119
Configuring Hot Spare Physical Disks. . . . . . . . . 120
Hot Spares and Rebuild. . . . . . . . . . . . . . 122
Global Hot Spares. . . . . . . . . . . . . . . . . 122
Hot Spare Operation . . . . . . . . . . . . . . . 122
Hot Spare Drive Protection . . . . . . . . . . . . 123
Enclosure Loss Protection . . . . . . . . . . . . . . . 123
Host-to-Virtual Disk Mapping . . . . . . . . . . . . . 125
Creating Host-to-Virtual Disk Mappings . . . . . 126
Modifying and Removing Host-to-Virtual
Disk Mapping . . . . . . . . . . . . . . . . . . . 127
Changing Controller Ownership of
the Virtual Disk . . . . . . . . . . . . . . . . . . 128
Removing Host-to-Virtual Disk Mapping . . . . . 129
Changing the RAID Controller Module
Ownership of a Disk Group . . . . . . . . . . . . 129
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Contents 9
Changing the RAID Level of a Disk Group . . . . . 130
Removing a Host-to-Virtual Disk Mapping
Using Linux DMMP . . . . . . . . . . . . . . . . . 131
Restricted Mappings. . . . . . . . . . . . . . . . . . . 132
Changing the RAID Controller Module
Ownership of a Virtual Disk or a Disk Group . . . . 134
Changing the RAID Level of a Disk Group. . . . . . . . 136
Storage Partitioning . . . . . . . . . . . . . . . . . . . 137
Disk Group and Virtual Disk Expansion . . . . . . . . . 138
Disk Group Expansion . . . . . . . . . . . . . . . 138
Virtual Disk Expansion . . . . . . . . . . . . . . . 139
Using Free Capacity . . . . . . . . . . . . . . . . 139
Using Unconfigured Capacity . . . . . . . . . . . 140
Disk Group Migration . . . . . . . . . . . . . . . . . . 140
Export Disk Group. . . . . . . . . . . . . . . . . . 140
Exporting a Disk Group . . . . . . . . . . . . . . . 141
Import Disk Group . . . . . . . . . . . . . . . . . . . . 141
Importing a Disk Group . . . . . . . . . . . . . . . 142
Storage Array Media Scan . . . . . . . . . . . . . . . 143
Changing Media Scan Settings . . . . . . . . . . 143
Suspending the Media Scan . . . . . . . . . . . . 144
10 Configuration: Premium
Feature—Snapshot Virtual Disks . . . . . 145
Scheduling a Snapshot Virtual Disk. . . . . . . . . . . 146
Common Reasons for Scheduling a
Snapshot Virtual Disk. . . . . . . . . . . . . . . . 146
Guidelines for Creating Snapshot Schedules . . . 147
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10 Contents
Enabling and Disabling Snapshot
Schedules . . . . . . . . . . . . . . . . . . . . . 148
Creating a Snapshot Virtual Disk Using
the Simple Path . . . . . . . . . . . . . . . . . . . . 148
About the Simple Path . . . . . . . . . . . . . . 149
Preparing Host Servers to Create the
Snapshot Using the Simple Path . . . . . . . . . 150
Creating a Snapshot Virtual Disk Using the
Advanced Path . . . . . . . . . . . . . . . . . . . . . 152
About the Advanced Path. . . . . . . . . . . . . 152
Preparing Host Servers to Create the
Snapshot Using the Advanced Path . . . . . . . 154
Creating the Snapshot Using the
Advanced Path . . . . . . . . . . . . . . . . . . 156
Specifying Snapshot Virtual Disk Names . . . . . . . 157
Snapshot Repository Capacity. . . . . . . . . . . . . 159
Disabling a Snapshot Virtual Disk. . . . . . . . . . . 162
Preparing Host Servers to Re-create a
Snapshot Virtual Disk . . . . . . . . . . . . . . . 163
Re-creating Snapshot Virtual Disks . . . . . . . . . . 164
Snapshot Rollback . . . . . . . . . . . . . . . . . . . 164
Rules and Guidelines for Performing a
Snapshot Rollback . . . . . . . . . . . . . . . . 165
Protecting Against a Failed
Snapshot Rollback . . . . . . . . . . . . . . . . 166
Previous Versions of the MD
Storage Manager . . . . . . . . . . . . . . . . . 166
Starting a Snapshot Rollback . . . . . . . . . . . 166
Resuming a Snapshot Rollback. . . . . . . . . . 167
Canceling a Snapshot Rollback. . . . . . . . . . 168
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Contents 11
11 Configuration: Premium
Feature—Virtual Disk Copy . . . . . . . . . 169
Types of Virtual Disk Copies . . . . . . . . . . . . . . . 170
Offline Copy . . . . . . . . . . . . . . . . . . . . . 170
Online Copy . . . . . . . . . . . . . . . . . . . . . 171
Creating a Virtual Disk Copy for an
MSCS Shared Disk. . . . . . . . . . . . . . . . . . . . 172
Virtual Disk Read/Write Permissions . . . . . . . . . . 172
Virtual Disk Copy Restrictions. . . . . . . . . . . . . . 173
Creating a Virtual Disk Copy. . . . . . . . . . . . . . . 174
Before You Begin . . . . . . . . . . . . . . . . . . 174
Virtual Disk Copy and Modification
Operations . . . . . . . . . . . . . . . . . . . . . 175
Create Copy Wizard . . . . . . . . . . . . . . . . 175
Failed Virtual Disk Copy. . . . . . . . . . . . . . . 175
Preferred RAID Controller Module Ownership . . . . . 176
Failed RAID Controller Module . . . . . . . . . . . . . 176
Copy Manager . . . . . . . . . . . . . . . . . . . . . . 176
Copying the Virtual Disk . . . . . . . . . . . . . . . . . 177
Storage Array Performance During Virtual
Disk Copy . . . . . . . . . . . . . . . . . . . . . . . . 178
Setting Copy Priority. . . . . . . . . . . . . . . . . . . 178
Stopping a Virtual Disk Copy . . . . . . . . . . . . . . 179
Recopying a Virtual Disk . . . . . . . . . . . . . . . . 179
Preparing Host Servers to Recopy a
Virtual Disk . . . . . . . . . . . . . . . . . . . . . 180
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12 Contents
Re-Copying a Virtual Disk . . . . . . . . . . . . . 181
Removing Copy Pairs. . . . . . . . . . . . . . . . . . 182
12 Configuration: Premium
Feature—Upgrading to High–
Performance Tier . . . . . . . . . . . . . . . . . 183
13 Configuration: Premium Feature—
Remote Replication . . . . . . . . . . . . . . . . 185
Switchable Host Access Configuration
Required With Remote Replication . . . . . . . . 185
Activating Remote Replication . . . . . . . . . . 186
Replication Repository Virtual Disks . . . . . . . 186
RAID Levels for Replication Repository
Virtual Disks . . . . . . . . . . . . . . . . . . . . 187
Primary and Secondary Virtual Disk Pairs . . . . 187
Using Remote Replication With
Other Features . . . . . . . . . . . . . . . . . . 188
Storage Partitioning With Remote
Replication . . . . . . . . . . . . . . . . . . . . 188
Snapshot Virtual Disk With Remote
Replication . . . . . . . . . . . . . . . . . . . . 189
Virtual Disk Copy With Remote Replication . . . 189
Virtual Disk Expansion With Remote
Replication . . . . . . . . . . . . . . . . . . . . 189
Required Switch Zoning Configurations . . . . . 190
Zoning Guidelines for Remote Replication . . . . 190
Switch Cascading. . . . . . . . . . . . . . . . . 190
Journaling File Systems and Remote
Replication . . . . . . . . . . . . . . . . . . . . 191
Setting Up and Managing
Remote Replication . . . . . . . . . . . . . . . . 191
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Contents 13
Activating the Remote Replication Premium
Feature and Creating Replication
Virtual Disks. . . . . . . . . . . . . . . . . . . . . 192
Activating and Creating Replication
Repository Virtual Disks From
the Storage Array. . . . . . . . . . . . . . . . . . 192
Activating and Creating Replication
Repository Virtual Disks From an
Existing Disk Group . . . . . . . . . . . . . . . . . 193
Creating a Remote Replication . . . . . . . . . . . 194
Selecting the Secondary Virtual Disk . . . . . . . 195
Setting the Write Mode. . . . . . . . . . . . . . . 195
Setting Synchronization Priority and
Synchronization Method . . . . . . . . . . . . . . 196
Completing the Remote Replication . . . . . . . . 197
RAID Controller Module
Ownership/Preferred Path . . . . . . . . . . . . . 198
Viewing Information About a Remote
Replication or Replication
Repository Virtual Disk . . . . . . . . . . . . . . . 198
Viewing the Properties Pane . . . . . . . . . . . . 200
Viewing Logical Elements of the
Secondary Virtual Disk . . . . . . . . . . . . . . . 200
Viewing the Physical Components or
Logical Elements of the Primary Virtual Disk. . . . 201
Virtual Disk Status Icons . . . . . . . . . . . . . . 202
Changing Write Mode and Consistency
Group Membership . . . . . . . . . . . . . . . . . 202
Resynchronizing Virtual Disks . . . . . . . . . . . 204
Normally Synchronized Virtual Disks. . . . . . . . 204
Changing Synchronization Priority
and Method . . . . . . . . . . . . . . . . . . . . . 205
Unsynchronized Virtual Disks . . . . . . . . . . . 207
Automatically Resynchronizing Virtual Disks . . . 208
Manually Resynchronizing Virtual Disks . . . . . . 208
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14 Contents
Reversing Roles Between the Primary and
Secondary Virtual Disks . . . . . . . . . . . . . 209
Promoting the Secondary Virtual Disk or
Demoting the Primary Virtual Disk . . . . . . . . 210
Suspending a Remote Replication . . . . . . . . 210
Resuming a Remote Replication . . . . . . . . . 211
About Resumed Remote Replications . . . . . . 211
Testing Communication Between the Primary
and Secondary Virtual Disks . . . . . . . . . . . 212
Deleting a Virtual Disk From a Replicated Pair
in a Storage Array. . . . . . . . . . . . . . . . . 213
Deleting a Primary Virtual Disk . . . . . . . . . . 213
Deleting a Secondary Virtual Disk . . . . . . . . 214
Deleting a Primary Virtual Disk in a
Replicated Pair From a Storage Array . . . . . . 214
Deleting a Secondary Virtual Disk in a
Replicated Pair From a Storage Array . . . . . . 215
Removing a Remote Replication From a
Storage Array . . . . . . . . . . . . . . . . . . . 215
Deactivating the Remote Replication on the
Storage Array . . . . . . . . . . . . . . . . . . . 216
Disabling the Remote Replication
Premium Feature . . . . . . . . . . . . . . . . . 217
14 Configuration: Device Mapper
Multipath for Linux . . . . . . . . . . . . . . . . 219
Overview . . . . . . . . . . . . . . . . . . . . . . . . 219
Using DM Multipathing Devices. . . . . . . . . . . . 220
Prerequisites . . . . . . . . . . . . . . . . . . . 220
Device Mapper Configuration Steps . . . . . . . 221
Limitations and Known Issues . . . . . . . . . . . . . 227
Troubleshooting . . . . . . . . . . . . . . . . . . . . 228
book.book Page 14 Friday, September 23, 2011 2:46 PM

Contents 15
15 Management: Firmware
Downloads . . . . . . . . . . . . . . . . . . . . . . 229
Downloading RAID Controller and
NVSRAM Packages . . . . . . . . . . . . . . . . . . . 229
Downloading Both RAID Controller
and NVSRAM Firmware . . . . . . . . . . . . . . . . . 230
Downloading Only NVSRAM Firmware . . . . . . . . . 232
Downloading Physical Disk Firmware . . . . . . . . . 235
Downloading MD1200 Series Expansion
Module EMM Firmware . . . . . . . . . . . . . . . . . 237
Self-Monitoring Analysis and Reporting
Technology (SMART) . . . . . . . . . . . . . . . . . . 238
Media Errors and Unreadable Sectors . . . . . . . . . 239
16 Management: Installing Array
Components . . . . . . . . . . . . . . . . . . . . . 241
Recommended Tools. . . . . . . . . . . . . . . . . . . 241
Front Bezel (Optional) . . . . . . . . . . . . . . . . . . 242
Removing the Front Bezel . . . . . . . . . . . . . 242
Installing the Front Bezel . . . . . . . . . . . . . . 242
Hard Drives. . . . . . . . . . . . . . . . . . . . . . . . 243
Removing a Hard-Drive Blank . . . . . . . . . . . 243
Installing a Hard-Drive Blank. . . . . . . . . . . . 244
Removing a Hard Drive . . . . . . . . . . . . . . . 244
Installing a Hard Drive . . . . . . . . . . . . . . . 246
Removing a Hard Drive From a
Hard-Drive Carrier . . . . . . . . . . . . . . . . . 247
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16 Contents
Installing a Hard Drive Into a
Hard-Drive Carrier . . . . . . . . . . . . . . . . 249
RAID Controller Module . . . . . . . . . . . . . . . . 249
Removing a RAID Controller Module Blank . . . 249
Installing a RAID Controller Module Blank . . . . 250
Removing a RAID Controller Module . . . . . . . 251
Installing a RAID Controller Module . . . . . . . 252
Opening the RAID Controller Module. . . . . . . 253
Closing the RAID Controller Module . . . . . . . 254
RAID Controller Module Backup Battery Unit. . . . . 255
Removing the RAID Controller Module
Backup Battery Unit . . . . . . . . . . . . . . . 255
Installing the RAID Controller Module
Backup Battery Unit . . . . . . . . . . . . . . . 256
Power Supply/Cooling Fan Module . . . . . . . . . . 257
Removing a Power Supply/Cooling
Fan Module . . . . . . . . . . . . . . . . . . . . 257
Installing a Power Supply/Cooling
Fan Module . . . . . . . . . . . . . . . . . . . . 258
Control Panel. . . . . . . . . . . . . . . . . . . . . . 259
Removing the Control Panel . . . . . . . . . . . 259
Installing the Control Panel . . . . . . . . . . . . 261
Backplane . . . . . . . . . . . . . . . . . . . . . . . 262
Removing the Backplane . . . . . . . . . . . . . 262
Installing the Backplane . . . . . . . . . . . . . 265
17 Management: Firmware Inventory . . . . 267
Viewing the Firmware Inventory . . . . . . . . . . . 267
book.book Page 16 Friday, September 23, 2011 2:46 PM

Contents 17
18 Management: System Interfaces . . . . . 269
Microsoft Services. . . . . . . . . . . . . . . . . . . . 269
Virtual Disk Service. . . . . . . . . . . . . . . . . 269
Volume Shadow-Copy Service . . . . . . . . . . . 269
19 Troubleshooting: Your Storage
Array Software . . . . . . . . . . . . . . . . . . . 271
Start–Up Routine. . . . . . . . . . . . . . . . . . . . . 271
Device Health Conditions . . . . . . . . . . . . . . . . 271
Storage Array Support Data . . . . . . . . . . . . . . . 274
Automatically Collect the Support Bundle Data . . . . 275
Collecting the Physical Disk Data . . . . . . . . . . . . 276
Event Log . . . . . . . . . . . . . . . . . . . . . . . . . 277
Recovery Guru . . . . . . . . . . . . . . . . . . . . . . 278
Storage Array Profile . . . . . . . . . . . . . . . . . . 278
Viewing the Logical Associations. . . . . . . . . . . . 280
Viewing the Physical Associations . . . . . . . . . . . 281
Finding Nodes . . . . . . . . . . . . . . . . . . . . . . 281
Using Go To . . . . . . . . . . . . . . . . . . . . . . . 283
Recovering From an Unresponsive Storage
Array Condition . . . . . . . . . . . . . . . . . . . . . 284
Locating a Physical Disk. . . . . . . . . . . . . . . . . 287
Locating an Expansion Enclosure . . . . . . . . . . . . 287
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18 Contents
Capturing the State Information . . . . . . . . . . . . 288
SMrepassist Utility. . . . . . . . . . . . . . . . . . . 289
Unidentified Devices. . . . . . . . . . . . . . . . . . 290
Recovering From an Unidentified Storage Array . . . 290
Starting or Restarting the Host Context
Agent Software. . . . . . . . . . . . . . . . . . . . . 293
20 Troubleshooting: Your Array . . . . . . . . . 295
Safety First—For You and Your Array . . . . . . . . . 295
Troubleshooting Storage Array Startup Failure . . . . 295
Troubleshooting Loss of Communication . . . . . . . 295
Troubleshooting an SFP Transceiver . . . . . . . . . 295
Troubleshooting External Connections . . . . . . . . 298
Troubleshooting Power Supply/Cooling Fan
Module . . . . . . . . . . . . . . . . . . . . . . . . . 298
Troubleshooting Array Cooling Problems . . . . . . . 299
Troubleshooting Expansion Enclosure
Management Modules . . . . . . . . . . . . . . . . . 300
Troubleshooting RAID Controller Modules . . . . . . 301
Troubleshooting Hard Drives . . . . . . . . . . . . . 302
Troubleshooting Array and Expansion
Enclosure Connections . . . . . . . . . . . . . . . . 303
Troubleshooting a Wet Storage Array . . . . . . . . . 304
Troubleshooting a Damaged Array . . . . . . . . . . 305
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Contents 19
Troubleshooting RAID Controller Modules . . . . . . . 306
Conditions. . . . . . . . . . . . . . . . . . . . . . 306
21 Getting Help. . . . . . . . . . . . . . . . . . . . . . 309
Contacting Dell . . . . . . . . . . . . . . . . . . . . . 309
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
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20 Contents
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