Dell PowerVault MD3200i Series Manuale utente

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 Wednesday, May 26, 2010 2:14 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 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 Wednesday, May 26, 2010 2:14 PM

Contents 3

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 19

About This Document . . . . . . . . . . . . . . . . . . 19

Inside the box of the Dell PowerVault MD3200i

Series Storage Array. . . . . . . . . . . . . . . . . . . 19

Dell PowerVault 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 . . . . . . . . . . . . . . . . . 30

book.book Page 3 Wednesday, May 26, 2010 2:14 PM

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

Foreground Initialization . . . . . . . . . . . . . . 43

book.book Page 4 Wednesday, May 26, 2010 2:14 PM

Contents 5

Consistency Check . . . . . . . . . . . . . . . . . 43

Media Verification . . . . . . . . . . . . . . . . . 44

Cycle Time . . . . . . . . . . . . . . . . . . . . . 44

Virtual Disk Operations Limit . . . . . . . . . . . . 44

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 . . . . . . . . . . . . 46

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. . . . . . . . 50

Host Types . . . . . . . . . . . . . . . . . . . . . 51

Snapshot Virtual Disks . . . . . . . . . . . . . . . 51

Snapshot Repository Virtual Disk. . . . . . . . . . 52

Virtual Disk Copy . . . . . . . . . . . . . . . . . . 52

Virtual Disk Recovery . . . . . . . . . . . . . . . . 53

Using Snapshot and Disk Copy Together. . . . . . 53

Multi-Path Software . . . . . . . . . . . . . . . . . . . 54

Preferred and Alternate Controllers and Paths . . 54

Virtual Disk Ownership . . . . . . . . . . . . . . . 55

Load Balancing . . . . . . . . . . . . . . . . . . . . . 55

Monitoring MD3200i Series System Performance . . . 56

book.book Page 5 Wednesday, May 26, 2010 2:14 PM

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 . . . . . . . . . . . . . . . . 72

Changing Expansion Enclosure

ID Numbers . . . . . . . . . . . . . . . . . . . . . 73

Changing the Enclosure Order

in the Physical Pane . . . . . . . . . . . . . . . . 73

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

Configuring E-mail Alerts . . . . . . . . . . . . . . 74

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

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

book.book Page 6 Wednesday, May 26, 2010 2:14 PM

Contents 7

Setting the Storage Array RAID

Controller Module Clocks. . . . . . . . . . . . . . 79

7 Configuration: Using iSCSI . . . . . . . . . . . 81

Changing the iSCSI Target Authentication . . . . . . . 81

Entering Mutual Authentication Permissions. . . . . . 82

Creating CHAP Secrets . . . . . . . . . . . . . . . . . 82

Initiator CHAP Secret. . . . . . . . . . . . . . . . 83

Target CHAP Secret . . . . . . . . . . . . . . . . 83

Valid Characters for CHAP Secrets . . . . . . . . 83

Changing the iSCSI Target Identification . . . . . . . . 84

Changing the iSCSI Target Discovery Settings . . . . . 84

Configuring the iSCSI Host Ports . . . . . . . . . . . . 85

Advanced iSCSI Host Ports Settings . . . . . . . . . . 87

Viewing or Ending an iSCSI Session . . . . . . . . . . 88

Viewing iSCSI Statistics and

Setting Baseline Statistics . . . . . . . . . . . . . . . 89

Edit, Remove, or Rename Host Topology . . . . . . . . 90

8 Configuration: Event Monitor . . . . . . . . . 91

Enabling or Disabling the Event Monitor . . . . . . . . 91

Windows . . . . . . . . . . . . . . . . . . . . . . 92

Linux . . . . . . . . . . . . . . . . . . . . . . . . 92

book.book Page 7 Wednesday, May 26, 2010 2:14 PM

8Contents

9 Configuration: About Your Host . . . . . . . 93

Configuring Host Access. . . . . . . . . . . . . . . . . 93

Using the Mappings Tab . . . . . . . . . . . . . . . . . 94

Defining a Host . . . . . . . . . . . . . . . . . . . 94

Removing Host Access. . . . . . . . . . . . . . . . . . 96

Managing Host Groups. . . . . . . . . . . . . . . . . . 96

Creating a Host Group . . . . . . . . . . . . . . . 96

Moving a Host to a Different Host Group . . . . . . 97

Removing a Host Group . . . . . . . . . . . . . . . 98

Host Topology . . . . . . . . . . . . . . . . . . . . 98

Starting or Stopping the Host Context Agent . . . . 99

I/O Data Path Protection . . . . . . . . . . . . . . . . 100

Managing Host Port Identifiers . . . . . . . . . . . . 101

10 Configuration: Disk Groups

and Virtual Disks . . . . . . . . . . . . . . . . . . 103

Creating Disk Groups and Virtual Disks . . . . . . . . 103

Creating Disk Groups . . . . . . . . . . . . . . . 104

Locating a Disk Group . . . . . . . . . . . . . . 106

Creating Virtual Disks . . . . . . . . . . . . . . . 106

Changing the Virtual Disk

Modification Priority . . . . . . . . . . . . . . . 108

Changing the Virtual Disk Cache Settings . . . . 109

Changing the Segment Size of a Virtual Disk . . . 111

Changing the I/O Type. . . . . . . . . . . . . . . 112

Choosing an Appropriate Physical Disk Type . . . . . 113

Physical Disk Security with Self Encrypting Disk . . 113

book.book Page 8 Wednesday, May 26, 2010 2:14 PM

Contents 9

Creating a Security Key. . . . . . . . . . . . . . . 116

Changing a Security Key . . . . . . . . . . . . . . 117

Saving a Security Key . . . . . . . . . . . . . . . 119

Unlocking Secure Physical Disks. . . . . . . . . . 120

Erasing Secure Physical Disks . . . . . . . . . . . 120

Configuring Hot Spare Physical Disks . . . . . . . . . 121

Hot Spares and Rebuild. . . . . . . . . . . . . . . 123

Global Hot Spares . . . . . . . . . . . . . . . . . 123

Hot Spare Operation . . . . . . . . . . . . . . . . 123

Hot Spare Drive Protection . . . . . . . . . . . . . 123

Enclosure Loss Protection. . . . . . . . . . . . . . . . 124

Host-to-Virtual Disk Mapping . . . . . . . . . . . . . . 126

Creating Host-to-Virtual Disk Mappings . . . . . . 126

Modifying and Removing

Host-to-Virtual Disk Mapping. . . . . . . . . . . . 128

Changing Controller Ownership

of the Virtual Disk . . . . . . . . . . . . . . . . . . 129

Removing Host-to-Virtual Disk Mapping . . . . . . 129

Changing the RAID Controller

Module Ownership of a Disk Group . . . . . . . . 130

Changing the RAID Level of a Disk Group . . . . . 131

Restricted Mappings. . . . . . . . . . . . . . . . . . . 132

Changing the RAID Controller Module

Ownership of a Virtual Disk or a Disk Group . . . . 133

Changing the RAID Level of a Disk Group. . . . . . . . 135

Storage Partitioning . . . . . . . . . . . . . . . . . . . 136

Disk Group and Virtual Disk Expansion . . . . . . . . . 137

Disk Group Expansion . . . . . . . . . . . . . . . 137

Virtual Disk Expansion . . . . . . . . . . . . . . . 138

Using Free Capacity . . . . . . . . . . . . . . . . 138

book.book Page 9 Wednesday, May 26, 2010 2:14 PM

10 Contents

Using Unconfigured Capacity. . . . . . . . . . . 138

Disk Group Migration . . . . . . . . . . . . . . . . . 139

Export Disk Group . . . . . . . . . . . . . . . . . 139

Exporting a Disk Group . . . . . . . . . . . . . . 140

Import Disk Group . . . . . . . . . . . . . . . . . . . 140

Importing a Disk Group . . . . . . . . . . . . . . 140

Storage Array Media Scan. . . . . . . . . . . . . . . 141

Changing Media Scan Settings. . . . . . . . . . 142

Suspending the Media Scan . . . . . . . . . . . 143

11 Configuration: Premium Feature—

Snapshot Virtual Disks . . . . . . . . . . . . . 145

Creating a Snapshot Virtual Disk

Using the Simple Path . . . . . . . . . . . . . . . . . 146

About the Simple Path . . . . . . . . . . . . . . 146

Preparing Host Servers to Create the

Snapshot Using the Simple Path . . . . . . . . . 147

Creating a Snapshot Virtual Disk

Using the Advanced Path . . . . . . . . . . . . . . . 149

About the Advanced Path. . . . . . . . . . . . . 149

Preparing Host Servers to Create

the Snapshot Using the Advanced Path . . . . . 151

Creating the Snapshot

Using the Advanced Path . . . . . . . . . . . . . 153

Specifying Snapshot Virtual Disk Names . . . . . . . 154

Snapshot Repository Capacity. . . . . . . . . . . . . 156

Re-creating Snapshot Virtual Disks . . . . . . . . . . 159

book.book Page 10 Wednesday, May 26, 2010 2:14 PM

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