Dell PowerVault Modular Disk Storage Arrays CLI Guide

DellTM PowerVaultTM Modular Disk Storage Manager CLI Guide

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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.

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Information in this document is subject to change without notice. ? 2008 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, and PowerVault are trademarks of Dell Inc.; Microsoft, Internet Explorer, and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. 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

1 About the Command Line Interface . . . . 13

How to Use the Command Line Interface . . . . . . . . 14 Usage Notes . . . . . . . . . . . . . . . . . . . . 15 CLI Commands . . . . . . . . . . . . . . . . . . . 16 Command Line Parameters . . . . . . . . . . . . 18

Formatting Considerations . . . . . . . . . . . . . . . 24 Detailed Error Reporting . . . . . . . . . . . . . . . . 24 Exit Status . . . . . . . . . . . . . . . . . . . . . . . . 25 Usage Examples . . . . . . . . . . . . . . . . . . . . . 27

2 About the Script Commands . . . . . . . . . . 29

Script Command Structure . . . . . . . . . . . . . . . 30 Script Command Synopsis . . . . . . . . . . . . . . . 32 Recurring Syntax Elements . . . . . . . . . . . . . . . 34 Usage Guidelines . . . . . . . . . . . . . . . . . . . . 40 Adding Comments to a Script File . . . . . . . . . . . 41

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3 Configuring a Storage Array . . . . . . . . . . 43

Configuring a Storage Array . . . . . . . . . . . . . . . 44 Determining What is on Your Storage Array . . . . 44 Saving a Configuration to a File . . . . . . . . . . 47 Using the Create Virtual Disk Command . . . . . . 48 Using the Auto Configure Command . . . . . . . . 53

Modifying Your Configuration . . . . . . . . . . . . . . 55 Setting the Storage Array Password . . . . . . . . 56 Setting Up SMTP and SNMP Alerts . . . . . . . . 56 Setting the RAID Controller Module Clocks . . . . 57 Setting the Storage Array Host Type . . . . . . . . 57 Setting Modification Priority . . . . . . . . . . . . 58 Assigning Global Hot Spares . . . . . . . . . . . . 59

4 Using the Snapshot Feature . . . . . . . . . . 61

Using Host Servers to Create an Initial Snapshot Virtual Disk . . . . . . . . . . . . . . . . . . . . . . . 63

Creating a Snapshot Virtual Disk . . . . . . . . . . . . 63 Enabling the Snapshot Virtual Disk Feature . . . . 64 Creating a Snapshot Virtual Disk with User-Assigned Physical Disks . . . . . . . . . . . 64 Preparing Host Servers to Create an Initial Snapshot Virtual Disk . . . . . . . . . . . . . . . . 65 Creating the Initial Snapshot Virtual Disk . . . . . 66 Creating a Snapshot Virtual Disk with Software-Assigned Physical Disks . . . . . . . . . 67 Creating a Snapshot Virtual Disk by Specifying a Number of Physical Disks . . . . . . . . . . . . 69 User-Defined Parameters . . . . . . . . . . . . . 70 Names of Snapshot Virtual Disks and Repository Virtual Disks . . . . . . . . . . . . . . . . . . . . 72

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Changing Snapshot Virtual Disk Settings . . . . . . . 73

Stopping and Deleting a Snapshot Virtual Disk . . . . 74 Re-creating the Snapshot Virtual Disk . . . . . . 75 Preparing Host Servers to Re-create a Snapshot Virtual Disk . . . . . . . . . . . . . . . . . . . . . 75 Re-creating a Snapshot Virtual Disk . . . . . . . . 76

5 Using the Virtual Disk Copy Feature . . . . 77

Creating a Virtual Disk Copy . . . . . . . . . . . . . . 78 Enabling the Virtual Disk Copy Feature . . . . . . 79 Determining Virtual Disk Copy Candidates . . . . 79 Creating a Virtual Disk Copy . . . . . . . . . . . . 79 Preparing Host Servers to Create a Virtual Disk Copy . . . . . . . . . . . . . . . . . . . . . . 80 Copying the Virtual Disk . . . . . . . . . . . . . . 81

Viewing Virtual Disk Copy Properties . . . . . . . . . 82

Changing Virtual Disk Copy Settings . . . . . . . . . . 83

Recopying a Virtual Disk . . . . . . . . . . . . . . . . 84 Preparing Host Servers to Recopy a Virtual Disk . . . . . . . . . . . . . . . . . . . . . 85 Recopying the Virtual Disk . . . . . . . . . . . . . 86

Stopping a Virtual Disk Copy . . . . . . . . . . . . . . 87

Removing Copy Pairs . . . . . . . . . . . . . . . . . . 87

Interaction with Other Features . . . . . . . . . . . . . 88 Storage Partitioning . . . . . . . . . . . . . . . . 88 Snapshot Virtual Disks . . . . . . . . . . . . . . . 89

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