Dell PowerVault MD3000i Manuale utente

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Dell™ PowerVault™ Modular Disk

Storage Manager CLI 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 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,InternetExplorer,andWindowsare eitherregisteredtrademarksor trademarksof 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.

February 2008

Contents 3

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

4Contents

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

Contents 5

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

6Contents

6 Maintaining a Storage Array . . . . . . . . . . 91

Routine Maintenance . . . . . . . . . . . . . . . . . . 91

Running a Media Scan . . . . . . . . . . . . . . . 91

Running a Consistency Check . . . . . . . . . . . 93

Resetting a RAID Controller Module . . . . . . . . 94

Enabling RAID Controller Module Data

Transfer . . . . . . . . . . . . . . . . . . . . . . . 94

Resetting Battery Age . . . . . . . . . . . . . . . 94

Removing Persistent Reservations . . . . . . . . . 94

Synchronizing RAID Controller Module

Clocks . . . . . . . . . . . . . . . . . . . . . . . . 95

Locating Physical Disks . . . . . . . . . . . . . . 95

Performance Tuning . . . . . . . . . . . . . . . . . . . 95

Monitoring Performance . . . . . . . . . . . . . . 96

Changing RAID Levels . . . . . . . . . . . . . . . 97

Changing Segment Size . . . . . . . . . . . . . . 97

Defragmenting a Disk Group . . . . . . . . . . . . 98

Troubleshooting and Diagnostics . . . . . . . . . . . . 98

Collecting Physical Disk Data . . . . . . . . . . . 98

Diagnosing a RAID Controller Module . . . . . . . 99

Recovery Operations . . . . . . . . . . . . . . . . . . 100

Setting RAID Controller Module

Operational Mode . . . . . . . . . . . . . . . . . 100

Changing RAID Controller Module

Ownership . . . . . . . . . . . . . . . . . . . . . 101

Initializing a Physical Disk . . . . . . . . . . . . . 101

Reconstructing a Physical Disk . . . . . . . . . . 102

Initializing a Virtual Disk . . . . . . . . . . . . . . 102

Redistributing Virtual Disks . . . . . . . . . . . . . 103

Contents 7

7 Script Commands . . . . . . . . . . . . . . . . . 105

Command Formatting Rules . . . . . . . . . . . . . . . 106

Commands Listed by Function . . . . . . . . . . . . . 108

Disk Group Commands . . . . . . . . . . . . . . . 108

Enclosure Commands . . . . . . . . . . . . . . . 108

Host Topology Commands . . . . . . . . . . . . . 109

iSCSI Commands . . . . . . . . . . . . . . . . . . 109

Physical Disk Commands . . . . . . . . . . . . . . 110

RAID Controller Module Commands . . . . . . . . 111

Session Command . . . . . . . . . . . . . . . . . 111

Show String Command . . . . . . . . . . . . . . . 111

Snapshot Commands . . . . . . . . . . . . . . . . 111

Storage Array Commands . . . . . . . . . . . . . 111

Virtual Disk Commands . . . . . . . . . . . . . . 113

Virtual Disk Copy Commands . . . . . . . . . . . 113

Commands Listed Alphabetically . . . . . . . . . . . . 114

Accept Storage Array Pending Topology . . . . . 114

Activate Storage Array Firmware . . . . . . . . . 114

Autoconfigure Storage Array . . . . . . . . . . . 114

Autoconfigure Storage Array Hot Spares . . . . . 116

Check Disk Consistency . . . . . . . . . . . . . . 117

Clear Physical Disk Channel Statistics . . . . . . . 118

Clear Storage Array Configuration . . . . . . . . . 118

Clear Storage Array Event Log . . . . . . . . . . . 118

Clear Storage Array Firmware Pending Area . . . 119

Clear Virtual Disk Reservations . . . . . . . . . . 119

Create Host . . . . . . . . . . . . . . . . . . . . . 120

Create Host Group . . . . . . . . . . . . . . . . . 121

Create Host Port . . . . . . . . . . . . . . . . . . 121

Create iSCSI Initiator . . . . . . . . . . . . . . . . 122

8Contents

Create RAID Virtual Disk (Automatic Physical

Disk Select) . . . . . . . . . . . . . . . . . . . . . 123

Create RAID Virtual Disk (Free Capacity

Base Select) . . . . . . . . . . . . . . . . . . . . 126

Create RAID Virtual Disk (Manual Physical

Disk Select) . . . . . . . . . . . . . . . . . . . . . 128

Create Snapshot Virtual Disk . . . . . . . . . . . . 131

Create Virtual Disk Copy . . . . . . . . . . . . . . 135

Delete Disk Group . . . . . . . . . . . . . . . . . 137

Delete Host . . . . . . . . . . . . . . . . . . . . . 138

Delete Host Group . . . . . . . . . . . . . . . . . 138

Delete Host Port . . . . . . . . . . . . . . . . . . 139

Delete iSCSI Initiator . . . . . . . . . . . . . . . . 139

Delete Virtual Disk . . . . . . . . . . . . . . . . . 140

Diagnose RAID Controller Module . . . . . . . . . 141

Disable Storage Array Feature . . . . . . . . . . . 144

Download Enclosure Management

Module Firmware . . . . . . . . . . . . . . . . . . 144

Download Physical Disk Firmware . . . . . . . . . 145

Download Storage Array

Firmware/NVSRAM . . . . . . . . . . . . . . . . . 146

Download Storage Array NVSRAM . . . . . . . . 147

Download Storage Array Physical Disk

Firmware . . . . . . . . . . . . . . . . . . . . . . 148

Enable RAID Controller Module . . . . . . . . . . 149

Enable Storage Array Feature Key . . . . . . . . . 149

Recopy Virtual Disk Copy . . . . . . . . . . . . . . 150

Recover RAID Virtual Disk . . . . . . . . . . . . . 151

Re-create Snapshot . . . . . . . . . . . . . . . . 153

Remove Virtual Disk Copy . . . . . . . . . . . . . 155

Remove Virtual Disk LUN Mapping . . . . . . . . . 156

Repair Virtual Disk Consistency . . . . . . . . . . 157

Reset RAID Controller Module . . . . . . . . . . . 157

Reset Storage Array Battery Install Date . . . . . 158

Reset Storage Array iSCSI Baseline . . . . . . . . 158

Contents 9

Reset Storage Array SAS PHY Baseline . . . . . . 159

Reset Storage Array Virtual Disk Distribution . . . 159

Revive Disk Group . . . . . . . . . . . . . . . . . 160

Revive Physical Disk . . . . . . . . . . . . . . . . 160

Save Enclosure Log Data . . . . . . . . . . . . . 161

Save Physical Disk Log . . . . . . . . . . . . . . . 161

Save RAID Controller Module NVSRAM . . . . . . 162

Save Storage Array Configuration . . . . . . . . . 162

Save Storage Array Events . . . . . . . . . . . . 163

Save Storage Array iSCSI Statistics . . . . . . . . 164

Save Storage Array Performance Statistics . . . . 165

Save Storage Array SAS PHY Counts . . . . . . . 165

Save Storage Array State Capture . . . . . . . . . 166

Save Storage Array Support Data . . . . . . . . . 166

Set Controller . . . . . . . . . . . . . . . . . . . . 166

Set Disk Group . . . . . . . . . . . . . . . . . . . 169

Set Enclosure Attribute . . . . . . . . . . . . . . 170

Set Enclosure Identification . . . . . . . . . . . . 171

Set Host . . . . . . . . . . . . . . . . . . . . . . 171

Set Host Group . . . . . . . . . . . . . . . . . . . 173

Set Host Port . . . . . . . . . . . . . . . . . . . . 174

Set iSCSI Initiator . . . . . . . . . . . . . . . . . 175

Set iSCSI Target Properties . . . . . . . . . . . . 176

Set Physical Disk Channel Status . . . . . . . . . 177

Set Physical Disk Hot Spare . . . . . . . . . . . . 178

Set Physical Disk State . . . . . . . . . . . . . . . 178

Set Session . . . . . . . . . . . . . . . . . . . . . 179

Set Snapshot Virtual Disk . . . . . . . . . . . . . 180

Set Storage Array . . . . . . . . . . . . . . . . . 182

Set Storage Array Enclosure Positions . . . . . . 184

Set Storage Array ICMP Response . . . . . . . . 184

Set Storage Array iSNS Server IPv4 Address . . . 185

Set Storage Array iSNS Server IPv6 Address . . . 186

10 Contents

Set Storage Array iSNS Server Listening

Port . . . . . . . . . . . . . . . . . . . . . . . . . 187

Set Storage Array iSNS Server Refresh . . . . . . 188

Set Storage Array Time . . . . . . . . . . . . . . . 188

Set Unnamed Discovery Session . . . . . . . . . 188

Set Virtual Disk . . . . . . . . . . . . . . . . . . . 189

Set Virtual Disk Copy . . . . . . . . . . . . . . . . 194

Show Current iSCSI Sessions . . . . . . . . . . . 194

Show Disk Group . . . . . . . . . . . . . . . . . . 195

Show Host Ports . . . . . . . . . . . . . . . . . . 196

Show Physical Disk . . . . . . . . . . . . . . . . . 196

Show Physical Disk Channel Statistics . . . . . . 198

Show Physical Disk Download Progress . . . . . . 199

Show RAID Controller Module . . . . . . . . . . . 200

Show RAID Controller Module NVSRAM . . . . . 201

Show Storage Array . . . . . . . . . . . . . . . . 202

Show Storage Array Autoconfigure . . . . . . . . 204

Show Storage Array Host Topology . . . . . . . . 206

Show Storage Array LUN Mappings . . . . . . . . 206

Show Storage Array Negotiation Defaults . . . . . 206

Show Storage Array Pending Topology . . . . . . 207

Show Storage Array Unreadable Sectors . . . . . 207

Show String . . . . . . . . . . . . . . . . . . . . . 208

Show Unconfigured iSCSI Initiators . . . . . . . . 208

Show Virtual Disk . . . . . . . . . . . . . . . . . . 209

Show Virtual Disk Action Progress . . . . . . . . . 210

Show Virtual Disk Copy . . . . . . . . . . . . . . . 211

Show Virtual Disk Copy Source Candidates . . . . 212

Show Virtual Disk Copy Target Candidates . . . . 212

Show Virtual Disk Performance Statistics . . . . . 212

Show Virtual Disk Reservations . . . . . . . . . . 213

Start Disk Group Blink . . . . . . . . . . . . . . . 214

Start Disk Group Defragment . . . . . . . . . . . . 214

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