Dell PowerVault MD3200i Series User manual

Dell PowerVault MD3200i
and MD3220i Storage Arrays
Owner’s Manual
Regulatory Model: E03J Series and E04J Series
Regulatory Type: E03J001 and E04J001
book.book Page 1 Saturday, September 24, 2011 9:06 AM

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
book.book Page 2 Saturday, September 24, 2011 9:06 AM

Contents 3
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 19
About This Document . . . . . . . . . . . . . . . . . . 19
Inside the box of the Dell PowerVault
MD3200i Series Storage Array . . . . . . . . . . . . . 19
MD3200i Series Storage Array . . . . . . . . . . . 20
Dell PowerVault Modular Disk
Storage Manager . . . . . . . . . . . . . . . . . . 20
Dell PowerVault Modular Disk
Configuration Utility. . . . . . . . . . . . . . . . . 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
book.book Page 3 Saturday, September 24, 2011 9:06 AM

4Contents
3 Planning: RAID Controller Modules. . . . 31
RAID Controller Modules . . . . . . . . . . . . . . . . 31
RAID Controller Module Connectors
and Features . . . . . . . . . . . . . . . . . . . . . . . 32
RAID Controller Module—Additional Features . . . . . 34
Battery Backup Unit . . . . . . . . . . . . . . . . 34
Storage Array Thermal Shutdown . . . . . . . . . 34
System Password Reset . . . . . . . . . . . . . . 35
Cache Functions and Features. . . . . . . . . . . . . . 35
Cache Mirroring. . . . . . . . . . . . . . . . . . . 35
Write-Back Cache . . . . . . . . . . . . . . . . . 35
Write-Through Cache. . . . . . . . . . . . . . . . 36
4 Planning: MD3200i Series Storage
Array Terms and Concepts . . . . . . . . . . . 37
Physical Disks, Virtual Disks, and Disk Groups . . . . . 37
Physical Disks . . . . . . . . . . . . . . . . . . . . 37
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. . . . . . . . . . . . . . . . . . . . . . . 42
Virtual Disk Operations . . . . . . . . . . . . . . . . . 43
Virtual Disk Initialization . . . . . . . . . . . . . . 43
Background Initialization . . . . . . . . . . . . . . 43
book.book Page 4 Saturday, September 24, 2011 9:06 AM

Contents 5
Foreground Initialization . . . . . . . . . . . . . . 43
Consistency Check . . . . . . . . . . . . . . . . . 44
Media Verification . . . . . . . . . . . . . . . . . 44
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 . . . . . . . . . . . . 46
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
book.book Page 5 Saturday, September 24, 2011 9:06 AM

6Contents
Monitoring MD3200i Series System
Performance . . . . . . . . . . . . . . . . . . . . . . . 57
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 . . . . . . . . . . . . . . . . . . . . 74
Changing Expansion Enclosure
ID Numbers . . . . . . . . . . . . . . . . . . . . . 75
Changing the Enclosure Order in the
Physical Pane . . . . . . . . . . . . . . . . . . . . 75
Configuring Alert Notifications . . . . . . . . . . . . . 76
book.book Page 6 Saturday, September 24, 2011 9:06 AM

Contents 7
Configuring E-mail Alerts . . . . . . . . . . . . . . 76
Configuring SNMP Alerts. . . . . . . . . . . . . . 79
Battery Settings . . . . . . . . . . . . . . . . . . . . . 80
Setting the Storage Array RAID Controller
Module Clocks . . . . . . . . . . . . . . . . . . . 81
7 Configuration: Using iSCSI . . . . . . . . . . . 83
Changing the iSCSI Target Authentication . . . . . . . 83
Entering Mutual Authentication Permissions. . . . . . 84
Creating CHAP Secrets . . . . . . . . . . . . . . . . . 84
Initiator CHAP Secret. . . . . . . . . . . . . . . . 85
Target CHAP Secret . . . . . . . . . . . . . . . . 85
Valid Characters for CHAP Secrets . . . . . . . . 85
Changing the iSCSI Target Identification . . . . . . . . 86
Changing the iSCSI Target Discovery Settings . . . . . 86
Configuring the iSCSI Host Ports . . . . . . . . . . . . 87
Advanced iSCSI Host Ports Settings . . . . . . . . . . 89
Viewing or Ending an iSCSI Session . . . . . . . . . . 90
Viewing iSCSI Statistics and Setting
Baseline Statistics. . . . . . . . . . . . . . . . . . . . 91
Edit, Remove, or Rename Host Topology . . . . . . . . 92
8 Configuration: Event Monitor . . . . . . . . . 93
Enabling or Disabling the Event Monitor . . . . . . . . 93
Windows . . . . . . . . . . . . . . . . . . . . . . 94
book.book Page 7 Saturday, September 24, 2011 9:06 AM

8Contents
Linux. . . . . . . . . . . . . . . . . . . . . . . . . 94
9 Configuration: About Your Host . . . . . . . 95
Configuring Host Access. . . . . . . . . . . . . . . . . 95
Using the Mappings Tab . . . . . . . . . . . . . . . . . 96
Defining a Host . . . . . . . . . . . . . . . . . . . 96
Removing Host Access. . . . . . . . . . . . . . . . . . 98
Managing Host Groups. . . . . . . . . . . . . . . . . . 98
Creating a Host Group . . . . . . . . . . . . . . . 98
Moving a Host to a Different Host Group . . . . . . 99
Removing a Host Group . . . . . . . . . . . . . . 100
Host Topology . . . . . . . . . . . . . . . . . . . 100
Starting or Stopping the Host
Context Agent . . . . . . . . . . . . . . . . . . . 101
I/O Data Path Protection . . . . . . . . . . . . . . . . 102
Managing Host Port Identifiers . . . . . . . . . . . . 103
10 Configuration: Disk Groups
and Virtual Disks . . . . . . . . . . . . . . . . . . 105
Creating Disk Groups and Virtual Disks . . . . . . . . 105
Creating Disk Groups . . . . . . . . . . . . . . . 106
Locating a Disk Group . . . . . . . . . . . . . . 108
Creating Virtual Disks . . . . . . . . . . . . . . . 108
Changing the Virtual Disk
Modification Priority . . . . . . . . . . . . . . . 110
Changing the Virtual Disk Cache Settings . . . . 111
Changing the Segment Size of
a Virtual Disk . . . . . . . . . . . . . . . . . . . 113
book.book Page 8 Saturday, September 24, 2011 9:06 AM

Contents 9
Changing the I/O Type . . . . . . . . . . . . . . . 114
Choosing an Appropriate Physical Disk Type . . . . . . 115
Physical Disk Security with Self
Encrypting Disk . . . . . . . . . . . . . . . . . . . . . 115
Creating a Security Key. . . . . . . . . . . . . . . 118
Changing a Security Key . . . . . . . . . . . . . . 119
Saving a Security Key . . . . . . . . . . . . . . . 121
Validate Security Key . . . . . . . . . . . . . . . . 122
Unlocking Secure Physical Disks. . . . . . . . . . 122
Erasing Secure Physical Disks . . . . . . . . . . . 122
Configuring Hot Spare Physical Disks . . . . . . . . . 123
Hot Spares and Rebuild. . . . . . . . . . . . . . . 125
Global Hot Spares . . . . . . . . . . . . . . . . . 125
Hot Spare Operation . . . . . . . . . . . . . . . . 125
Hot Spare Drive Protection . . . . . . . . . . . . . 126
Enclosure Loss Protection. . . . . . . . . . . . . . . . 126
Host-to-Virtual Disk Mapping . . . . . . . . . . . . . . 128
Creating Host-to-Virtual Disk Mappings . . . . . . 129
Modifying and Removing
Host-to-Virtual Disk Mapping. . . . . . . . . . . . 130
Changing Controller Ownership
of the Virtual Disk . . . . . . . . . . . . . . . . . . 131
Removing Host-to-Virtual Disk Mapping . . . . . . 132
Changing the RAID Controller Module
Ownership of a Disk Group . . . . . . . . . . . . . 132
Changing the RAID Level of a Disk Group . . . . . 133
Removing a Host-to-Virtual Disk Mapping
Using Linux DMMP . . . . . . . . . . . . . . . . . 134
Restricted Mappings. . . . . . . . . . . . . . . . . . . 136
Changing the RAID Controller Module
Ownership of a Virtual Disk or a Disk Group . . . . 137
book.book Page 9 Saturday, September 24, 2011 9:06 AM

10 Contents
Changing the RAID Level of a Disk Group . . . . . . . 139
Storage Partitioning . . . . . . . . . . . . . . . . . . 140
Disk Group and Virtual Disk Expansion . . . . . . . . 141
Disk Group Expansion. . . . . . . . . . . . . . . 141
Virtual Disk Expansion . . . . . . . . . . . . . . 142
Using Free Capacity. . . . . . . . . . . . . . . . 142
Using Unconfigured Capacity. . . . . . . . . . . 142
Disk Group Migration . . . . . . . . . . . . . . . . . 143
Export Disk Group . . . . . . . . . . . . . . . . . 143
Exporting a Disk Group . . . . . . . . . . . . . . 143
Import Disk Group . . . . . . . . . . . . . . . . . . . 144
Importing a Disk Group . . . . . . . . . . . . . . 144
Storage Array Media Scan. . . . . . . . . . . . . . . 145
Changing Media Scan Settings. . . . . . . . . . 146
Suspending the Media Scan . . . . . . . . . . . 147
11 Configuration: Premium
Feature—Snapshot Virtual Disks . . . . . 149
Scheduling a Snapshot Virtual Disk. . . . . . . . . . 150
Common Reasons for Scheduling
a Snapshot Virtual Disk . . . . . . . . . . . . . . 150
Guidelines for Creating Snapshot
Schedules . . . . . . . . . . . . . . . . . . . . . 151
Enabling and Disabling Snapshot
Schedules . . . . . . . . . . . . . . . . . . . . . 152
Creating a Snapshot Virtual Disk Using the
Simple Path. . . . . . . . . . . . . . . . . . . . . . . 152
About the Simple Path . . . . . . . . . . . . . . 153
book.book Page 10 Saturday, September 24, 2011 9:06 AM