Dell PowerVault MD3200 Series User manual

Dell PowerVault MD3200
and MD3220 Storage Arrays
Owner’s Manual
Regulatory Model: E03J Series and E04J Series
Regulatory Type: E03J001 and E04J001
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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.
© 2010–2011 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
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Contents 3
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 19
About This Document . . . . . . . . . . . . . . . . . . 19
Inside the box of the Dell PowerVault MD3200
Series Storage Array. . . . . . . . . . . . . . . . . . . 20
MD3200 Series Storage Array . . . . . . . . . . . 20
Dell PowerVault Modular
Disk Storage Manager . . . . . . . . . . . . . . . 20
Other Information you May Need . . . . . . . . . . . . 20
2 Planning: About Your Storage Array . . . . 23
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 23
Hardware Features . . . . . . . . . . . . . . . . . . . 24
Front-Panel Features and Indicators . . . . . . . 24
Back Panel Features and Indicators . . . . . . . . 27
Hard-Drive Indicator Patterns . . . . . . . . . . . . . . 28
Power Supply and Cooling Fan Features . . . . . . . . 29
Power Indicator Codes and Features . . . . . . . . . . 30
3 Planning: RAID Controller Modules . . . . 31
RAID Controller Modules . . . . . . . . . . . . . . . . 31
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4Contents
RAID Controller Module Connectors
and Features . . . . . . . . . . . . . . . . . . . . . . . 32
RAID Controller Module—Additional Features . . . . . 34
Battery Backup Unit . . . . . . . . . . . . . . . . 34
Storage Array Thermal Shutdown . . . . . . . . . 35
System Password Reset . . . . . . . . . . . . . . 35
Cache Functions and Features. . . . . . . . . . . . . . 36
Cache Mirroring. . . . . . . . . . . . . . . . . . . 36
Write-Back Cache . . . . . . . . . . . . . . . . . 36
Write-Through Cache. . . . . . . . . . . . . . . . 36
4 Planning: MD3200 Series Storage
Array Terms and Concepts . . . . . . . . . . . 37
Physical Disks, Virtual Disks, and Disk Groups . . . . . 37
Physical Disks . . . . . . . . . . . . . . . . . . . . 38
Physical Disk States . . . . . . . . . . . . . . . . 38
Self-Monitoring Analysis and
Reporting Technology. . . . . . . . . . . . . . . . 39
Virtual Disks and Disk Groups . . . . . . . . . . . 39
Virtual Disk States . . . . . . . . . . . . . . . . . 40
RAID Levels. . . . . . . . . . . . . . . . . . . . . . . . 40
RAID Level Usage . . . . . . . . . . . . . . . . . . 41
Segment Size. . . . . . . . . . . . . . . . . . . . . . . 43
Virtual Disk Operations . . . . . . . . . . . . . . . . . 43
Virtual Disk Initialization . . . . . . . . . . . . . . 43
Background Initialization . . . . . . . . . . . . . . 43
Foreground Initialization . . . . . . . . . . . . . . 43
Consistency Check . . . . . . . . . . . . . . . . . 44
Media Verification . . . . . . . . . . . . . . . . . 44
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Contents 5
Cycle Time . . . . . . . . . . . . . . . . . . . . . 44
Virtual Disk Operations Limit . . . . . . . . . . . . 45
Disk Group Operations. . . . . . . . . . . . . . . . . . 45
RAID Level Migration . . . . . . . . . . . . . . . . 45
Segment Size Migration . . . . . . . . . . . . . . 45
Virtual Disk Capacity Expansion . . . . . . . . . . 46
Disk Group Expansion . . . . . . . . . . . . . . . 46
Disk Group Defragmentation . . . . . . . . . . . . 47
Disk Group Operations Limit . . . . . . . . . . . . 47
RAID Background Operations Priority . . . . . . . . . 47
Virtual Disk Migration and Disk Roaming. . . . . . . . 48
Disk Migration . . . . . . . . . . . . . . . . . . . 48
Disk Roaming . . . . . . . . . . . . . . . . . . . . 50
Advanced Features . . . . . . . . . . . . . . . . . . . 50
Host Server-to-Virtual Disk Mapping. . . . . . . . 51
Host Types . . . . . . . . . . . . . . . . . . . . . 51
Snapshot Virtual Disks . . . . . . . . . . . . . . . 51
Snapshot Repository Virtual Disk. . . . . . . . . . 52
Virtual Disk Copy . . . . . . . . . . . . . . . . . . 53
Virtual Disk Recovery . . . . . . . . . . . . . . . . 54
Using Snapshot and Disk Copy Together. . . . . . 54
Multi-Path Software . . . . . . . . . . . . . . . . . . . 54
Preferred and Alternate Controllers
and Paths . . . . . . . . . . . . . . . . . . . . . . 55
Virtual Disk Ownership . . . . . . . . . . . . . . . 55
Load Balancing . . . . . . . . . . . . . . . . . . . . . 56
Monitoring MD3200 Series System
Performance . . . . . . . . . . . . . . . . . . . . . . . 57
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6Contents
5 Configuration: Overview . . . . . . . . . . . . 61
User Interface . . . . . . . . . . . . . . . . . . . . . . 61
Enterprise Management Window . . . . . . . . . 62
Array Management Window . . . . . . . . . . . . 63
6 Configuration: About Your
Storage Array . . . . . . . . . . . . . . . . . . . . . 65
Out-of-Band and In-Band Management . . . . . . . . . 65
Storage Arrays . . . . . . . . . . . . . . . . . . . . . . 66
Adding Storage Arrays . . . . . . . . . . . . . . . 66
Setting Up Your Storage Array . . . . . . . . . . . 68
Locating Storage Arrays . . . . . . . . . . . . . . 69
Naming or Renaming Storage Arrays. . . . . . . . 70
Setting a Password . . . . . . . . . . . . . . . . . 71
Viewing Storage Array Connections . . . . . . . . 72
Adding/Editing a Comment to an
Existing Storage Array . . . . . . . . . . . . . . . 73
Removing Storage Arrays. . . . . . . . . . . . . . 73
Enabling Premium Features. . . . . . . . . . . . . 74
Failover Alert Display . . . . . . . . . . . . . . . . 74
Changing the Cache Settings on the
Storage Array . . . . . . . . . . . . . . . . . . . . 75
Changing Expansion Enclosure ID Number . . . . 75
Changing the Enclosure Order in the
Physical Pane . . . . . . . . . . . . . . . . . . . . 75
Configuring Alert Notifications . . . . . . . . . . . . . 76
Configuring E-mail Alerts . . . . . . . . . . . . . . 77
Configuring SNMP Alerts . . . . . . . . . . . . . . 79
Battery Settings . . . . . . . . . . . . . . . . . . . . . 81
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Contents 7
Setting the Storage Array RAID Controller
Module Clocks . . . . . . . . . . . . . . . . . . . 82
7 Configuration: Event Monitor . . . . . . . . . 83
Enabling or Disabling the Event Monitor . . . . . . . . 84
Windows . . . . . . . . . . . . . . . . . . . . . . 84
Linux . . . . . . . . . . . . . . . . . . . . . . . . 84
8 Configuration: About Your Host . . . . . . . . 85
Configuring Host Access . . . . . . . . . . . . . . . . 85
Using the Mappings Tab . . . . . . . . . . . . . . . . . 86
Defining a Host . . . . . . . . . . . . . . . . . . . 86
Removing Host Access . . . . . . . . . . . . . . . . . 88
Managing Host Groups . . . . . . . . . . . . . . . . . 88
Creating a Host Group . . . . . . . . . . . . . . . 88
Moving a Host to a Different Host Group. . . . . . 89
Removing a Host Group. . . . . . . . . . . . . . . 90
Host Topology. . . . . . . . . . . . . . . . . . . . 90
Starting or Stopping the Host
Context Agent. . . . . . . . . . . . . . . . . . . . 91
I/O Data Path Protection . . . . . . . . . . . . . . . . . 92
Managing Host Port Identifiers . . . . . . . . . . . . . 93
9 Configuration: Disk Groups and
Virtual Disks . . . . . . . . . . . . . . . . . . . . . . 95
Creating Disk Groups and Virtual Disks. . . . . . . . . 95
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8Contents
Creating Disk Groups . . . . . . . . . . . . . . . . 96
Locating a Disk Group . . . . . . . . . . . . . . . 98
Creating Virtual Disks . . . . . . . . . . . . . . . . 98
Changing the Virtual Disk
Modification Priority . . . . . . . . . . . . . . . 100
Changing the Virtual Disk Cache Settings . . . . 101
Changing the Segment Size of
a Virtual Disk . . . . . . . . . . . . . . . . . . . 103
Changing the I/O Type. . . . . . . . . . . . . . . 104
Choosing an Appropriate Physical Disk Type . . . . . 105
Physical Disk Security with Self
Encrypting Disk . . . . . . . . . . . . . . . . . . . . 106
Creating a Security Key. . . . . . . . . . . . . . 108
Changing a Security Key . . . . . . . . . . . . . 110
Saving a Security Key. . . . . . . . . . . . . . . 111
Validate Security Key . . . . . . . . . . . . . . . 112
Unlocking Secure Physical Disks . . . . . . . . . 113
Erasing Secure Physical Disks . . . . . . . . . . 113
Configuring Hot Spare Physical Disks. . . . . . . . . 114
Hot Spares and Rebuild. . . . . . . . . . . . . . 115
Global Hot Spares. . . . . . . . . . . . . . . . . 116
Hot Spare Operation . . . . . . . . . . . . . . . 116
Hot Spare Drive Protection . . . . . . . . . . . . 116
Enclosure Loss Protection . . . . . . . . . . . . . . . 117
Host-to-Virtual Disk Mapping . . . . . . . . . . . . . 119
Creating Host-to-Virtual Disk Mappings . . . . . 119
Modifying and Removing Host-to-Virtual
Disk Mapping . . . . . . . . . . . . . . . . . . . 121
Changing Controller Ownership of the
Virtual Disk . . . . . . . . . . . . . . . . . . . . 122
Removing Host-to-Virtual Disk Mapping . . . . . 122
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Contents 9
Changing the RAID Controller Module
Ownership of a Disk Group . . . . . . . . . . . . . 123
Changing the RAID Level of a Disk Group . . . . . 124
Removing a Host-to-Virtual Disk Mapping
Using Linux DMMP . . . . . . . . . . . . . . . . . 124
Restricted Mappings. . . . . . . . . . . . . . . . . . . 126
Changing the RAID Controller Module
Ownership of a Virtual Disk or a Disk Group . . . . 127
Changing the RAID Level of a Disk Group. . . . . . . . 129
Storage Partitioning . . . . . . . . . . . . . . . . . . . 130
Disk Group and Virtual Disk Expansion . . . . . . . . . 131
Disk Group Expansion . . . . . . . . . . . . . . . 131
Virtual Disk Expansion . . . . . . . . . . . . . . . 132
Using Free Capacity . . . . . . . . . . . . . . . . 132
Using Unconfigured Capacity . . . . . . . . . . . 133
Disk Group Migration . . . . . . . . . . . . . . . . . . 133
Export Disk Group. . . . . . . . . . . . . . . . . . 133
Exporting a Disk Group . . . . . . . . . . . . . . . 134
Import Disk Group . . . . . . . . . . . . . . . . . . . . 134
Importing a Disk Group . . . . . . . . . . . . . . . 134
Storage Array Media Scan . . . . . . . . . . . . . . . 136
Changing Media Scan Settings . . . . . . . . . . 136
Suspending the Media Scan . . . . . . . . . . . . 137
10 Configuration: Premium Feature—
Snapshot Virtual Disks . . . . . . . . . . . . . 139
Scheduling a Snapshot Virtual Disk. . . . . . . . . . . 140
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10 Contents
Common Reasons for Scheduling a
Snapshot Virtual Disk . . . . . . . . . . . . . . . 140
Guidelines for Creating
Snapshot Schedules . . . . . . . . . . . . . . . 141
Enabling and Disabling Snapshot
Schedules . . . . . . . . . . . . . . . . . . . . . 142
Creating a Snapshot Virtual Disk Using
the Simple Path . . . . . . . . . . . . . . . . . . . . 142
About the Simple Path . . . . . . . . . . . . . . 143
Preparing Host Servers to Create the
Snapshot Using the Simple Path . . . . . . . . . 143
Creating a Snapshot Virtual Disk Using the
Advanced Path . . . . . . . . . . . . . . . . . . . . . 146
About the Advanced Path. . . . . . . . . . . . . 146
Preparing Host Servers to Create the
Snapshot Using the Advanced Path . . . . . . . 147
Creating the Snapshot Using
the Advanced Path . . . . . . . . . . . . . . . . 149
Specifying Snapshot Virtual Disk Names . . . . . . . 151
Snapshot Repository Capacity. . . . . . . . . . . . . 152
Disabling a Snapshot Virtual Disk. . . . . . . . . . . 155
Preparing Host Servers to Re-create a
Snapshot Virtual Disk . . . . . . . . . . . . . . . 156
Re-creating Snapshot Virtual Disks . . . . . . . . . . 157
Snapshot Rollback . . . . . . . . . . . . . . . . . . . 157
Rules and Guidelines for Performing a
Snapshot Rollback . . . . . . . . . . . . . . . . 158
Protecting Against a Failed
Snapshot Rollback . . . . . . . . . . . . . . . . 159
Previous Versions of the
MD Storage Manager. . . . . . . . . . . . . . . 159
Starting a Snapshot Rollback . . . . . . . . . . . 159
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