Dell PowerVault MD3220 Series Manuale utente

Dell™ PowerVault™

MD3200 and MD3220

Storage Arrays

Owner’s Manual

Regulatory Model: E03J Series and E04J Series

Regulatory Type: E03J001 and E04J001

book.book Page 1 Monday, June 21, 2010 11:00 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 document is subject to change without notice.

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, OpenManage, PowerEdge, and PowerVault are

trademarks of Dell Inc. Microsoft, Windows, Internet Explorer, MS-DOS, and Windows Server 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; VMware is a registered trademark of VMware, Inc. in the United States and/or

other jurisdictions.

Other trademarks and trade names may be used in this document 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

May 2010 Rev. A00

book.book Page 2 Monday, June 21, 2010 11:00 AM

Contents 3

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 17

About This Document . . . . . . . . . . . . . . . . . . 17

Inside the box of the Dell PowerVault

MD3200 Series Storage Array . . . . . . . . . . . . . . 18

Dell PowerVault MD3200

Series

Storage Array. . . . . . . . . . . . . . . . . . . . 18

Dell PowerVault Modular Disk

Storage Manager . . . . . . . . . . . . . . . . . . 18

Other Information you May Need . . . . . . . . . . . . 19

2 Planning: About Your Storage Array . . . . 21

Overview . . . . . . . . . . . . . . . . . . . . . . . . . 21

Hardware Features . . . . . . . . . . . . . . . . . . . 22

Front-Panel Features and Indicators . . . . . . . 22

Back Panel Features and Indicators . . . . . . . . 25

Hard-Drive Indicator Patterns . . . . . . . . . . . . . . 26

Power Supply and Cooling Fan Features . . . . . . . . 27

Power Indicator Codes . . . . . . . . . . . . . . . . . 28

3 Planning: RAID Controller Modules . . . . 29

RAID Controller Modules . . . . . . . . . . . . . . . . 29

book.book Page 3 Monday, June 21, 2010 11:00 AM

4Contents

RAID Controller Module Connectors and Features . . . 30

RAID Controller Module—Additional Features . . . . . 32

Battery Backup Unit . . . . . . . . . . . . . . . . 32

Storage Array Thermal Shutdown . . . . . . . . . 33

System Password Reset . . . . . . . . . . . . . . 33

Cache Functions and Features. . . . . . . . . . . . . . 34

Cache Mirroring. . . . . . . . . . . . . . . . . . . 34

Write-Back Cache . . . . . . . . . . . . . . . . . 34

Write-Through Cache. . . . . . . . . . . . . . . . 34

4 Planning: MD3200 Series Storage

Array Terms and Concepts . . . . . . . . . . . 35

Physical Disks, Virtual Disks, and Disk Groups . . . . . 35

Physical Disks . . . . . . . . . . . . . . . . . . . . 36

Physical Disk States . . . . . . . . . . . . . . . . 36

Self-Monitoring Analysis and Reporting

Technology . . . . . . . . . . . . . . . . . . . . . 37

Virtual Disks and Disk Groups . . . . . . . . . . . 37

Virtual Disk States . . . . . . . . . . . . . . . . . 38

RAID Levels. . . . . . . . . . . . . . . . . . . . . . . . 38

RAID Level Usage . . . . . . . . . . . . . . . . . . 39

Segment Size. . . . . . . . . . . . . . . . . . . . . . . 41

Virtual Disk Operations . . . . . . . . . . . . . . . . . 41

Virtual Disk Initialization . . . . . . . . . . . . . . 41

Background Initialization . . . . . . . . . . . . . . 41

Foreground Initialization . . . . . . . . . . . . . . 41

Consistency Check . . . . . . . . . . . . . . . . . 42

Media Verification . . . . . . . . . . . . . . . . . 42

Cycle Time. . . . . . . . . . . . . . . . . . . . . . 42

book.book Page 4 Monday, June 21, 2010 11:00 AM

Contents 5

Virtual Disk Operations Limit . . . . . . . . . . . . 43

Disk Group Operations. . . . . . . . . . . . . . . . . . 43

RAID Level Migration . . . . . . . . . . . . . . . . 43

Segment Size Migration . . . . . . . . . . . . . . 43

Virtual Disk Capacity Expansion . . . . . . . . . . 44

Disk Group Expansion . . . . . . . . . . . . . . . 44

Disk Group Defragmentation . . . . . . . . . . . . 45

Disk Group Operations Limit . . . . . . . . . . . . 45

RAID Background Operations Priority . . . . . . . . . 45

Virtual Disk Migration and Disk Roaming. . . . . . . . 46

Disk Migration . . . . . . . . . . . . . . . . . . . 46

Disk Roaming . . . . . . . . . . . . . . . . . . . . 48

Advanced Features . . . . . . . . . . . . . . . . . . . 48

Host Server-to-Virtual Disk Mapping. . . . . . . . 49

Host Types . . . . . . . . . . . . . . . . . . . . . 49

Snapshot Virtual Disks . . . . . . . . . . . . . . . 49

Snapshot Repository Virtual Disk. . . . . . . . . . 50

Virtual Disk Copy . . . . . . . . . . . . . . . . . . 51

Virtual Disk Recovery . . . . . . . . . . . . . . . . 51

Using Snapshot and Disk Copy Together. . . . . . 52

Multi-Path Software . . . . . . . . . . . . . . . . . . . 52

Preferred and Alternate Controllers

and Paths . . . . . . . . . . . . . . . . . . . . . . 53

Virtual Disk Ownership . . . . . . . . . . . . . . . 53

Load Balancing . . . . . . . . . . . . . . . . . . . . . 54

Monitoring MD3200 Series System Performance . . . . 55

book.book Page 5 Monday, June 21, 2010 11:00 AM

6Contents

5 Configuration: Overview . . . . . . . . . . . . 59

User Interface . . . . . . . . . . . . . . . . . . . . . . 59

Enterprise Management Window . . . . . . . . . 60

Array Management Window . . . . . . . . . . . . 61

6 Configuration: About Your

Storage Array . . . . . . . . . . . . . . . . . . . . . 63

Out-of-Band and In-Band Management . . . . . . . . . 63

Storage Arrays . . . . . . . . . . . . . . . . . . . . . . 64

Adding Storage Arrays . . . . . . . . . . . . . . . 64

Setting Up Your Storage Array . . . . . . . . . . . 66

Locating Storage Arrays . . . . . . . . . . . . . . 67

Naming or Renaming Storage Arrays. . . . . . . . 68

Setting a Password . . . . . . . . . . . . . . . . . 69

Viewing Storage Array Connections . . . . . . . . 70

Adding/Editing a Comment to an

Existing Storage Array . . . . . . . . . . . . . . . 71

Removing Storage Arrays. . . . . . . . . . . . . . 71

Enabling Premium Features. . . . . . . . . . . . . 72

Failover Alert Display . . . . . . . . . . . . . . . . 72

Changing the Cache Settings on

the Storage Array . . . . . . . . . . . . . . . . . . 73

Changing Expansion Enclosure ID Number . . . . 73

Changing the Enclosure Order in the

Physical Pane . . . . . . . . . . . . . . . . . . . . 73

Configuring Alert Notifications . . . . . . . . . . . . . 74

Configuring E-mail Alerts . . . . . . . . . . . . . . 75

Configuring SNMP Alerts . . . . . . . . . . . . . . 77

Battery Settings . . . . . . . . . . . . . . . . . . . . . 78

book.book Page 6 Monday, June 21, 2010 11:00 AM

Contents 7

Setting the Storage Array RAID Controlle

r Module Clocks . . . . . . . . . . . . . . . . . . 79

7 Configuration: Event Monitor . . . . . . . . . 81

Enabling or Disabling the Event Monitor . . . . . . . . 82

Windows . . . . . . . . . . . . . . . . . . . . . . 82

Linux . . . . . . . . . . . . . . . . . . . . . . . . 82

8 Configuration: About Your Host . . . . . . . . 83

Configuring Host Access . . . . . . . . . . . . . . . . 83

Using the Mappings Tab . . . . . . . . . . . . . . . . . 84

Defining a Host . . . . . . . . . . . . . . . . . . . 84

Removing Host Access . . . . . . . . . . . . . . . . . 86

Managing Host Groups . . . . . . . . . . . . . . . . . 86

Creating a Host Group . . . . . . . . . . . . . . . 86

Moving a Host to a Different Host Group. . . . . . 87

Removing a Host Group. . . . . . . . . . . . . . . 88

Host Topology. . . . . . . . . . . . . . . . . . . . 88

Starting or Stopping the Host Context Agent. . . . 89

I/O Data Path Protection . . . . . . . . . . . . . . . . . 90

Managing Host Port Identifiers . . . . . . . . . . . . . 91

9 Configuration: Disk Groups and

Virtual Disks . . . . . . . . . . . . . . . . . . . . . . 93

Creating Disk Groups and Virtual Disks. . . . . . . . . 93

Creating Disk Groups . . . . . . . . . . . . . . . . 94

book.book Page 7 Monday, June 21, 2010 11:00 AM

8Contents

Locating a Disk Group . . . . . . . . . . . . . . . 96

Creating Virtual Disks . . . . . . . . . . . . . . . . 96

Changing the Virtual Disk Modification

Priority . . . . . . . . . . . . . . . . . . . . . . . 98

Changing the Virtual Disk Cache Settings . . . . . 99

Changing the Segment Size of a Virtual Disk . . . 101

Changing the I/O Type. . . . . . . . . . . . . . . 102

Choosing an Appropriate Physical Disk Type . . . . . 103

Physical Disk Security with Self Encrypting

Disk. . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Creating a Security Key. . . . . . . . . . . . . . 106

Changing a Security Key . . . . . . . . . . . . . 108

Saving a Security Key. . . . . . . . . . . . . . . 109

Unlocking Secure Physical Disks . . . . . . . . . 110

Erasing Secure Physical Disks . . . . . . . . . . 111

Configuring Hot Spare Physical Disks. . . . . . . . . 111

Hot Spares and Rebuild. . . . . . . . . . . . . . 113

Global Hot Spares. . . . . . . . . . . . . . . . . 113

Hot Spare Operation . . . . . . . . . . . . . . . 114

Hot Spare Drive Protection . . . . . . . . . . . . 114

Enclosure Loss Protection . . . . . . . . . . . . . . . 115

Host-to-Virtual Disk Mapping . . . . . . . . . . . . . 116

Creating Host-to-Virtual Disk Mappings . . . . . 117

Modifying and Removing Host-to-Virtual

Disk Mapping . . . . . . . . . . . . . . . . . . . 118

Changing Controller Ownership of the Virtua

l Disk . . . . . . . . . . . . . . . . . . . . . . . 119

Removing Host-to-Virtual Disk Mapping . . . . . 120

Changing the RAID Controller Module

Ownership of a Disk Group . . . . . . . . . . . . 121

Changing the RAID Level of a Disk Group . . . . 122

book.book Page 8 Monday, June 21, 2010 11:00 AM

Contents 9

Restricted Mappings. . . . . . . . . . . . . . . . . . . 122

Changing the RAID Controller Module Ownership

of a Virtual Disk or a Disk Group . . . . . . . . . . 124

Changing the RAID Level of a Disk Group. . . . . . . . 125

Storage Partitioning . . . . . . . . . . . . . . . . . . . 126

Disk Group and Virtual Disk Expansion . . . . . . . . . 128

Disk Group Expansion . . . . . . . . . . . . . . . 128

Virtual Disk Expansion . . . . . . . . . . . . . . . 129

Using Free Capacity . . . . . . . . . . . . . . . . 129

Using Unconfigured Capacity . . . . . . . . . . . 129

Disk Group Migration . . . . . . . . . . . . . . . . . . 130

Export Disk Group. . . . . . . . . . . . . . . . . . 130

Exporting a Disk Group . . . . . . . . . . . . . . . 130

Import Disk Group . . . . . . . . . . . . . . . . . . . . 131

Importing a Disk Group . . . . . . . . . . . . . . . 131

Storage Array Media Scan . . . . . . . . . . . . . . . 132

Changing Media Scan Settings . . . . . . . . . . 133

Suspending the Media Scan . . . . . . . . . . . . 134

10 Configuration: Premium Feature—

Snapshot Virtual Disks . . . . . . . . . . . . . 135

Creating a Snapshot Virtual Disk Using the

Simple Path . . . . . . . . . . . . . . . . . . . . . . . 136

About the Simple Path . . . . . . . . . . . . . . . 137

Preparing Host Servers to Create the

Snapshot Using the Simple Path . . . . . . . . . . 137

Creating a Snapshot Virtual Disk Using the

Advanced Path . . . . . . . . . . . . . . . . . . . . . . 140

book.book Page 9 Monday, June 21, 2010 11:00 AM

10 Contents

About the Advanced Path. . . . . . . . . . . . . 140

Preparing Host Servers to Create

the Snapshot Using the Advanced Path . . . . . 141

Creating the Snapshot Using the

Advanced Path . . . . . . . . . . . . . . . . . . 143

Specifying Snapshot Virtual Disk Names . . . . . . . 145

Snapshot Repository Capacity. . . . . . . . . . . . . 146

Re-creating Snapshot Virtual Disks . . . . . . . . . . 149

Disabling a Snapshot Virtual Disk. . . . . . . . . . . 150

Preparing Host Servers to Re-create

a Snapshot Virtual Disk . . . . . . . . . . . . . . 151

Re-creating a Snapshot Virtual Disk . . . . . . . . . 152

11 Configuration: Premium Feature—

Virtual Disk Copy . . . . . . . . . . . . . . . . . . 153

Creating a Virtual Disk Copy for an MSCS

Shared Disk . . . . . . . . . . . . . . . . . . . . . . 154

Virtual Disk Read/Write Permissions . . . . . . . . . 155

Virtual Disk Copy Restrictions . . . . . . . . . . . . . 155

Creating a Virtual Disk Copy. . . . . . . . . . . . . . 156

Before you Begin . . . . . . . . . . . . . . . . . 157

Virtual Disk Copy and Modification

Operations . . . . . . . . . . . . . . . . . . . . 157

Create Copy Wizard. . . . . . . . . . . . . . . . 157

Failed Virtual Disk Copy . . . . . . . . . . . . . . 158

Preferred RAID Controller Module Ownership . . . . 158

Failed RAID Controller Module . . . . . . . . . . . . 158

book.book Page 10 Monday, June 21, 2010 11:00 AM

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