Dell PowerVault MD3220 Series Manuale utente

Dell PowerVault Modular Disk

Storage Arrays

CLI Guide

book.book Page 1 Friday, March 4, 2011 10:45 AM

Notes and Cautions

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.

____________________

Information in this publication 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, and PowerVault™ are trademarks of Dell Inc.

Microsoft®, MS-DOS®, Internet Explorer®, Windows®, and Windows Server®are either trademarks

or registered trademarks of Microsoft Corporation in the United States and/or other countries.

Other trademarks and trade names may be used in this publication 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.

March 2011 Rev. A01

book.book Page 2 Friday, March 4, 2011 10:45 AM

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

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

Configuring a Storage Array. . . . . . . . . . . . . . . 44

book.book Page 3 Friday, March 4, 2011 10:45 AM

4Contents

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 . . . . . . . . . . . . 64

Enabling the Snapshot Virtual Disk Feature . . . . 65

Creating a Snapshot Virtual Disk with

User-Assigned Physical Disks . . . . . . . . . . . 65

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 . . . . . . . . . 68

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

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

Stopping and Deleting a Snapshot Virtual Disk . . . . . 74

book.book Page 4 Friday, March 4, 2011 10:45 AM

Contents 5

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 . . . . . . . . . . . . 80

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 . . . . . . . . . . . . . . . . 85

Preparing Host Servers to

Recopy a Virtual Disk . . . . . . . . . . . . . . . . 85

Recopying the Virtual Disk . . . . . . . . . . . . . 86

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

Removing Copy Pairs . . . . . . . . . . . . . . . . . . 88

Interaction With Other Features. . . . . . . . . . . . . 88

Storage Partitioning . . . . . . . . . . . . . . . . 89

Snapshot Virtual Disks . . . . . . . . . . . . . . . 89

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

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

book.book Page 5 Friday, March 4, 2011 10:45 AM

6Contents

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 . . . . . . . . . . . . . . . . . . . 96

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

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

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

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

Troubleshooting and Diagnostics . . . . . . . . . . . . 99

Collecting Physical Disk Data. . . . . . . . . . . . 99

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

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

Setting RAID Controller Module

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

Changing RAID Controller

Module Ownership . . . . . . . . . . . . . . . . 102

Initializing a Physical Disk . . . . . . . . . . . . 102

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

Initializing a Virtual Disk . . . . . . . . . . . . . 103

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

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

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

book.book Page 6 Friday, March 4, 2011 10:45 AM

Contents 7

Firmware Compatability Levels . . . . . . . . . . . . . 108

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

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

Enclosure Commands . . . . . . . . . . . . . . . 109

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

iSCSI Commands . . . . . . . . . . . . . . . . . . 110

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

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

Session Command . . . . . . . . . . . . . . . . . 112

Show String Command . . . . . . . . . . . . . . . 112

Snapshot Commands . . . . . . . . . . . . . . . . 112

Storage Array Commands . . . . . . . . . . . . . 112

Virtual Disk Commands . . . . . . . . . . . . . . . 114

Virtual Disk Copy Commands . . . . . . . . . . . . 115

Commands Listed Alphabetically . . . . . . . . . . . . 115

Activate Storage Array Firmware . . . . . . . . . 115

Autoconfigure Storage Array. . . . . . . . . . . . 115

Autoconfigure Storage Array Hot Spares . . . . . 118

Check Virtual Disk Consistency . . . . . . . . . . 118

Clear Physical Disk Port Statistics . . . . . . . . . 120

Clear Storage Array Configuration . . . . . . . . . 120

Clear Storage Array Event Log . . . . . . . . . . . 121

Clear Storage Array Firmware Pending Area . . . 121

Clear Virtual Disk Reservations. . . . . . . . . . . 122

Clear Virtual Disk Unreadable Sectors . . . . . . . 122

Create Disk Group . . . . . . . . . . . . . . . . . 123

Create Host . . . . . . . . . . . . . . . . . . . . . 128

Create Host Group . . . . . . . . . . . . . . . . . 129

Create Host Port . . . . . . . . . . . . . . . . . . 129

Create iSCSI Initiator . . . . . . . . . . . . . . . . 131

Create RAID Virtual Disk (Automatic

Physical Disk Select) . . . . . . . . . . . . . . . . 131

book.book Page 7 Friday, March 4, 2011 10:45 AM

8Contents

Create RAID Virtual Disk (Free

Capacity Base Select) . . . . . . . . . . . . . . 134

Create RAID Virtual Disk (Manual

Physical Disk Select) . . . . . . . . . . . . . . . 137

Create Snapshot Virtual Disk . . . . . . . . . . . 141

Create Storage Array Security Key . . . . . . . . 147

Create Virtual Disk Copy . . . . . . . . . . . . . 149

Delete Disk Group. . . . . . . . . . . . . . . . . 151

Delete Host . . . . . . . . . . . . . . . . . . . . 152

Delete Host Group . . . . . . . . . . . . . . . . 152

Delete Host Port. . . . . . . . . . . . . . . . . . 153

Delete iSCSI Initiator . . . . . . . . . . . . . . . 154

Delete Virtual Disk . . . . . . . . . . . . . . . . 154

Diagnose RAID Controller Module . . . . . . . . 155

Disable Storage Array Feature . . . . . . . . . . 157

Download Enclosure Management

Module Firmware . . . . . . . . . . . . . . . . . 158

Download Physical Disk Firmware . . . . . . . . 160

Download Storage Array

Firmware/NVSRAM . . . . . . . . . . . . . . . . 161

Download Storage Array

Physical Disk Frimware . . . . . . . . . . . . . . 162

Download Storage Array NVSRAM. . . . . . . . 163

Enable Disk Group Security. . . . . . . . . . . . 164

Enable RAID Controller

Module Data Transfer. . . . . . . . . . . . . . . 165

Enable Storage Array Feature . . . . . . . . . . 165

Recopy Virtual Disk Copy . . . . . . . . . . . . . 166

Recover RAID Virtual Disk . . . . . . . . . . . . 168

Re-create Snapshot. . . . . . . . . . . . . . . . 170

Remove Virtual Disk Copy. . . . . . . . . . . . . 173

Remove Virtual Disk LUN Mapping . . . . . . . . 173

Repair Virtual Disk Consistency . . . . . . . . . 174

Replace Physical Disk. . . . . . . . . . . . . . . 175

Reset RAID Controller Module . . . . . . . . . . 176

book.book Page 8 Friday, March 4, 2011 10:45 AM

Contents 9

Reset Storage Array Battery Install Date . . . . . 177

Reset Storage Array iSCSI Baseline . . . . . . . . 178

Reset Storage Array SAS PHY Baseline . . . . . . 179

Reset Storage Array Virtual Disk Distribution . . . 179

Revive Disk Group . . . . . . . . . . . . . . . . . 179

Revive Physical Disk . . . . . . . . . . . . . . . . 180

Save Enclosure Log Data . . . . . . . . . . . . . . 180

Save Physical Disk Channel Fault

Isolation Diagnostic Status . . . . . . . . . . . . . 181

Save Physical Disk Log . . . . . . . . . . . . . . . 181

Save RAID Controller Module NVSRAM . . . . . . 182

Save Storage Array Configuration . . . . . . . . . 182

Save Storage Array Events . . . . . . . . . . . . . 184

Save Storage Array iSCSI Statistics . . . . . . . . 184

Save Storage Array Performance Statistics . . . . 185

Save Storage Array SAS PHY Counts . . . . . . . 186

Save Storage Array State Capture . . . . . . . . . 186

Save Storage Array Support Data . . . . . . . . . 186

Set Disk Group . . . . . . . . . . . . . . . . . . . 187

Set Disk Group Forced State . . . . . . . . . . . . 188

Set Enclosure Attribute. . . . . . . . . . . . . . . 189

Set Enclosure Identification . . . . . . . . . . . . 189

Set Foreign Physical Disk to Native . . . . . . . . 190

Set Host . . . . . . . . . . . . . . . . . . . . . . . 191

Set Host Channel . . . . . . . . . . . . . . . . . . 192

Set Host Group . . . . . . . . . . . . . . . . . . . 194

Set Host Port . . . . . . . . . . . . . . . . . . . . 194

Set iSCSI Initiator . . . . . . . . . . . . . . . . . . 195

Set iSCSI Target Properties . . . . . . . . . . . . 197

Set Physical Disk Channel Status . . . . . . . . . 198

Set Physical Disk Hot Spare . . . . . . . . . . . . 198

Set Physical Disk State . . . . . . . . . . . . . . . 199

Set RAID Controller Module . . . . . . . . . . . . 200

book.book Page 9 Friday, March 4, 2011 10:45 AM

10 Contents

Set Session . . . . . . . . . . . . . . . . . . . . 204

Set Snapshot Virtual Disk . . . . . . . . . . . . . 205

Set Storage Array . . . . . . . . . . . . . . . . . 207

Set Storage Array Enclosure Positions. . . . . . 211

Set Storage Array ICMP Response . . . . . . . . 212

Set Storage Array iSNS

Server IPv4 Address . . . . . . . . . . . . . . . 213

Set Storage Array iSNS

Server IPv6 Address . . . . . . . . . . . . . . . 213

Set Storage Array iSNS

Server Listening Port . . . . . . . . . . . . . . . 214

Set Storage Array Learn Cycle . . . . . . . . . . 214

Set Storage Array Redundancy Mode . . . . . . 215

Set Storage Array Security Key . . . . . . . . . 216

Set Storage Array Time . . . . . . . . . . . . . . 217

Set Storage Array Unnamed

Discovery Session . . . . . . . . . . . . . . . . 217

Set Virtual Disk . . . . . . . . . . . . . . . . . . 218

Set Virtual Disk Copy . . . . . . . . . . . . . . . 223

Show Current iSCSI Sessions . . . . . . . . . . 224

Show Disk Group . . . . . . . . . . . . . . . . . 225

Show Disk Group Export Dependencies . . . . . 225

Show Disk Group Import Dependencies . . . . . 226

Show Host Ports . . . . . . . . . . . . . . . . . 227

Show Physical Disk . . . . . . . . . . . . . . . . 227

Show Physical Disk Channel Statistics . . . . . . 230

Show Physical Disk Download Progress . . . . . 230

Show RAID Controller Module . . . . . . . . . . 231

Show RAID Controller Module NVSRAM. . . . . 232

Show Storage Array . . . . . . . . . . . . . . . 233

Show Storage Array Auto Configure . . . . . . . 235

Show Storage Array Host Topology . . . . . . . 237

Show Storage Array LUN Mappings . . . . . . . 238

Show Storage Array Negotiation Defaults . . . . 238

book.book Page 10 Friday, March 4, 2011 10:45 AM

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