Dell PowerVault MD3000i Manuale utente

www.dell.com | support.dell.com

Dell™ PowerVault™ Modular Disk

Storage Manager User’s Guide

Notes and Notices

NOTE: A NOTE indicates important information that helps you make better use of

your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data

and tells you how to avoid the problem.

____________________

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, PowerEdge and PowerVault are trademarks of Dell

Inc.; 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. SUSE is a registered trademark

of Novell Inc.

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.

September 2008

Contents 3

Contents

1 About This Guide . . . . . . . . . . . . . . . . . . . 11

User Interface . . . . . . . . . . . . . . . . . . . . . . 11

Summary Tab . . . . . . . . . . . . . . . . . . . . 12

Configure Tab . . . . . . . . . . . . . . . . . . . 12

Modify Tab . . . . . . . . . . . . . . . . . . . . . 12

Tools Tab . . . . . . . . . . . . . . . . . . . . . . 13

iSCSI Tab . . . . . . . . . . . . . . . . . . . . . . 13

Support Tab . . . . . . . . . . . . . . . . . . . . 13

Other Information You May Need . . . . . . . . . . . . 14

2 About Your Storage Array . . . . . . . . . . . . 15

Access Virtual Disk . . . . . . . . . . . . . . . . . . . 15

Out-of-Band and In-Band Management . . . . . . . . 16

Adding Storage Arrays . . . . . . . . . . . . . . . . . 17

Automatic Discovery of Storage Arrays . . . . . . 17

Manual Addition of a Storage Array . . . . . . . . 17

Naming Storage Arrays . . . . . . . . . . . . . . . . . 18

Removing Storage Arrays . . . . . . . . . . . . . . . . 18

Setting Up Your Storage Array . . . . . . . . . . . . . 19

Storage Array Support Data . . . . . . . . . . . . . . . 21

4Contents

Setting a Password . . . . . . . . . . . . . . . . . . . 21

Password Guidelines . . . . . . . . . . . . . . . . 22

Resetting a Password . . . . . . . . . . . . . . . . . . 22

Connecting the Serial Cable . . . . . . . . . . . . 22

System Setup for Password Reset . . . . . . . . . 23

Reset Password . . . . . . . . . . . . . . . . . . 24

Changing Expansion Enclosure ID Numbers . . . . . . 25

Configuring Alert Notifications . . . . . . . . . . . . . 25

Configuring E-mail Alerts . . . . . . . . . . . . . . 25

Configuring SNMP Alerts . . . . . . . . . . . . . 27

Battery Settings . . . . . . . . . . . . . . . . . . . . . 28

Starting or Restarting the Host-Agent Software

in Windows . . . . . . . . . . . . . . . . . . . . . . . 28

Starting or Restarting the Host-Agent Software

in Linux . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3 Using iSCSI . . . . . . . . . . . . . . . . . . . . . . . 31

Using the iSCSI Tab . . . . . . . . . . . . . . . . . . . 31

Changing the iSCSI Target Authentication . . . . . . . 32

Entering Mutual Authentication Permissions . . . . . 32

Creating CHAP Secrets . . . . . . . . . . . . . . . 32

Changing the iSCSI Target Identification . . . . . . . . 34

Changing the iSCSI Target Discovery (Optional) . . . . 34

Configuring the MD3000i iSCSI Host Ports . . . . . . . 35

Advanced iSCSI Host Ports Settings . . . . . . . . 35

Contents 5

Viewing or Ending an iSCSI Session . . . . . . . . . . 36

Viewing iSCSI Statistics and Setting Baseline

Statistics . . . . . . . . . . . . . . . . . . . . . . . . . 37

Edit, Remove, or Rename Host Topology . . . . . . . . 38

4 Event Monitor . . . . . . . . . . . . . . . . . . . . . 41

Enabling the Event Monitor . . . . . . . . . . . . . . . 41

Disabling the Event Monitor . . . . . . . . . . . . . . 42

5 About Your Host . . . . . . . . . . . . . . . . . . . 43

Configuring Host Access . . . . . . . . . . . . . . . . 43

Automatic Configuration . . . . . . . . . . . . . . 44

Manual Configuration (using SAS HBA) . . . . . . 44

Manual Configuration (using iSCSI) . . . . . . . . 45

Removing Host Access . . . . . . . . . . . . . . 46

Host Groups . . . . . . . . . . . . . . . . . . . . . . . 47

Creating a Host Group . . . . . . . . . . . . . . . 47

Adding a Host to a Host Group . . . . . . . . . . . 47

Removing a Host From a Host Group . . . . . . . 48

Moving a Host to a Different Host Group . . . . . 48

Removing a Host Group . . . . . . . . . . . . . . 49

Host Topology . . . . . . . . . . . . . . . . . . . . . . 49

Host Context Agent . . . . . . . . . . . . . . . . . 50

I/O Data Path Protection . . . . . . . . . . . . . . . . 51

6Contents

6 Disk Groups and Virtual Disks . . . . . . . . . 53

Creating Disk Groups and Virtual Disks . . . . . . . . 54

Automatic Configuration . . . . . . . . . . . . . . 55

Manual Configuration . . . . . . . . . . . . . . . 55

Hot Spare Drive Protection . . . . . . . . . . . . . . . 58

Automatically Configuring Hot Spares . . . . . . . 58

Manually Configuring Hot Spares . . . . . . . . . 59

Host-to-Virtual Disk Mapping . . . . . . . . . . . . . . 60

Creating Host-to-Virtual Disk Mappings . . . . . . 60

Modifying and Removing Host-to-Virtual

Disk Mapping . . . . . . . . . . . . . . . . . . . . 60

Changing Controller Ownership of the

Virtual Disk . . . . . . . . . . . . . . . . . . . . . 61

Storage Partitioning . . . . . . . . . . . . . . . . . . . 61

Disk Group and Virtual Disk Expansion . . . . . . . . . 62

Disk Group Expansion . . . . . . . . . . . . . . . 62

Virtual Disk Expansion . . . . . . . . . . . . . . . 62

Disk Group Migration . . . . . . . . . . . . . . . . . . 63

Export Disk Group . . . . . . . . . . . . . . . . . 63

Import Disk Group . . . . . . . . . . . . . . . . . 64

Storage Array Media Scan . . . . . . . . . . . . . . . 65

Changing Media Scan Settings . . . . . . . . . . 66

Suspending the Media Scan . . . . . . . . . . . . 66

Microsoft Services . . . . . . . . . . . . . . . . . . . 67

Virtual Disk Service . . . . . . . . . . . . . . . . . 67

Volume Shadow-Copy Service . . . . . . . . . . . 67

Contents 7

7 Premium Feature—Snapshot Virtual

Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Creating a Snapshot Virtual Disk Using the

Simple Path . . . . . . . . . . . . . . . . . . . . . . . 70

About the Simple Path . . . . . . . . . . . . . . . 71

Preparing Host Servers to Create the Snapshot

Using the Simple Path . . . . . . . . . . . . . . . 71

Creating the Snapshot Using the Simple

Path . . . . . . . . . . . . . . . . . . . . . . . . . 73

Creating a Snapshot Virtual Disk Using the

Advanced Path . . . . . . . . . . . . . . . . . . . . . 75

About the Advanced Path . . . . . . . . . . . . . 75

Preparing Host Servers to Create the Snapshot

Using the Advanced Path . . . . . . . . . . . . . 76

Creating the Snapshot Using the Advanced

Path . . . . . . . . . . . . . . . . . . . . . . . . . 78

Specifying Snapshot Virtual Disk Names . . . . . . . 80

Snapshot Repository Capacity . . . . . . . . . . . . . 81

Re-creating Snapshot Virtual Disks . . . . . . . . . . 82

Disabling a Snapshot Virtual Disk . . . . . . . . . 82

Preparing Host Servers to Re-create a

Snapshot Virtual Disk . . . . . . . . . . . . . . . 83

Re-creating a Snapshot Virtual Disk . . . . . . . . 84

8 Premium Feature—Virtual Disk Copy . . . 85

Creating a Virtual Disk Copy for an MSCS

Shared Disk . . . . . . . . . . . . . . . . . . . . . . . 86

Virtual Disk Read/Write Permissions . . . . . . . . . . 87

Virtual Disk Copy Restrictions . . . . . . . . . . . . . 88

8Contents

Creating a Virtual Disk Copy . . . . . . . . . . . . . . 89

Preparing Host Servers to Create a Virtual

Disk Copy . . . . . . . . . . . . . . . . . . . . . . 89

Copying the Virtual Disk . . . . . . . . . . . . . . 90

Storage Array Performance During Virtual

Disk Copy . . . . . . . . . . . . . . . . . . . . . . . . 91

Setting Copy Priority . . . . . . . . . . . . . . . . 91

Stopping a Virtual Disk Copy . . . . . . . . . . . . . . 92

Recopying a Virtual Disk . . . . . . . . . . . . . . . . 92

Preparing Host Servers to Recopy a

Virtual Disk . . . . . . . . . . . . . . . . . . . . . 93

Recopying the Virtual Disk . . . . . . . . . . . . . 94

Removing Copy Pairs . . . . . . . . . . . . . . . . . . 95

9 Premium Feature—32 Partitions . . . . . . . 97

10 Firmware Downloads . . . . . . . . . . . . . . . . 99

Downloading RAID Controller and NVSRAM

Packages . . . . . . . . . . . . . . . . . . . . . . . . 99

Downloading Both RAID Controller and

NVSRAM Firmware . . . . . . . . . . . . . . . . . 100

Downloading Only NVSRAM Firmware . . . . . . 101

Downloading Non-redundant MSCS

NVSRAM Firmware . . . . . . . . . . . . . . . . . 101

Downloading Physical Disk Firmware . . . . . . . . . 102

Downloading EMM Firmware . . . . . . . . . . . . . . 103

Firmware Upgrade to 07.xx . . . . . . . . . . . . . . . 103

Contents 9

11 Troubleshooting Problems . . . . . . . . . . 107

Recovery Guru . . . . . . . . . . . . . . . . . . . . . . 107

Storage Array Profile . . . . . . . . . . . . . . . . . . 107

Device Health Conditions . . . . . . . . . . . . . . . . 107

SMrepassist Utility . . . . . . . . . . . . . . . . . . . 108

Support Information Package . . . . . . . . . . . . . . 109

Unidentified Devices . . . . . . . . . . . . . . . . . . 110

Recovering from an Unidentified Storage Array . . . . 110

A Enclosure Hardware Replacement,

Maintenance, and Configuration

Considerations . . . . . . . . . . . . . . . . . . . 113

Removing and Inserting Enclosure Management

Modules on Attached Expansion Enclosures . . . . . 113

Removing an EMM from the Expansion

Enclosure . . . . . . . . . . . . . . . . . . . . . . 113

Inserting an EMM into an Expansion

Enclosure . . . . . . . . . . . . . . . . . . . . . . 113

Removing and Inserting Physical Disks . . . . . . . . 114

MD3000 Maintenance Considerations . . . . . . . . . 114

MD3000 Cluster Configuration Guidelines for

Standalone Host Servers . . . . . . . . . . . . . . . . 115

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

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