Copying the Virtual Disk, 171 | Dell MD3220, MD3200 instruction

Copying the Virtual Disk

You can create a virtual disk copy by using the Create Copy Wizard.

CAUTION: Possible loss of data access – A virtual disk copy overwrites data on the target virtual disk.

A virtual disk copy automatically makes the target virtual disk read-only to hosts. You may want to keep this attribute enabled to preserve the data on the target virtual disk.

CAUTION: If you decide not to preserve the data on the target virtual disk after the virtual disk copy has completed, disable the Read-Only attribute for the target virtual disk. For more information on enabling and disabling the Read-Only attribute for the target virtual disk, see "Virtual Disk Read/Write Permissions" on page 166.

To prevent write-protected error messages from being displayed, do not try to access a source virtual disk that is participating in a virtual disk copy while the virtual disk copy has a status of In Progress. Also, make sure that the Read- Only attribute for the target virtual disk is disabled after the virtual disk copy has completed to prevent error messages from being displayed.

To copy the virtual disk:

1Stop all I/O activity to the source virtual disk and the target virtual disk.

2Unmount any file systems on the source virtual disk and the target virtual disk.

3In the AMW, select the Logical tab and select the source virtual disk.

4Select Virtual Disk→ Create Copy.

The Select Source Virtual Disk and Copy Type window is displayed.

5In the Select source virtual disk area, select the appropriate virtual disk.

6In the Select Copy Type area, select either Offline or Online Copy Type.

NOTE: An online virtual disk copy overwrites data on the target virtual disk and automatically makes the target virtual disk read-only to hosts. After the online virtual disk copy completes, use Copy Manager to disable the Read- Only attribute for the target virtual disk. If you have used the target virtual disk in a virtual disk copy before, make sure that you no longer need that data or have backed it up in an accessible location.

The Select Target Virtual Disk window is displayed.

Configuration: Premium Feature—Virtual Disk Copy

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Dell MD3220, MD3200 owner manual Copying the Virtual Disk, 171

Contents

Dell PowerVault MD3200 and MD3220 Storage Arrays Page Contents Cache Functions and Features RAID Controller Module Connectors Virtual Disk Operations Limit Out-of-Band and In-Band Management Configuring Alert Notifications Enabling or Disabling the Event Monitor Managing Host Port IdentifiersCreating Disk Groups and Virtual Disks Configuring Hot Spare Physical Disks Physical Disk Security with SelfHost-to-Virtual Disk Mapping 131 126129 130 151 Creating a Snapshot Virtual Disk Using 142Creating a Snapshot Virtual Disk Using 146 165 160161 Types of Virtual Disk Copies 164 179 Using DM Multipathing Devices 180174 176 203 Self-Monitoring Analysis and Reporting201 202 221 RAID Controller Module Backup Battery Unit 214Power Supply/Cooling Fan Module 216 218 Collecting the Physical Disk Data 234 Recovering From an Unresponsive Storage 241232 233 Troubleshooting a Damaged Array 261 Safety First-For you and Your Array 253Troubleshooting Power Supply/Cooling 254 Troubleshooting Expansion Enclosure Getting Help Contacting Dell Index Contents About This Document Introduction Dell PowerVault Modular Disk Storage Manager Other Information you May NeedMD3200 Series Storage Array Introduction Introduction Overview Planning About Your Storage Array Front-Panel Features and Indicators Hardware Features Planning About Your Storage Array Item Indicator, Button, or Icon Description Connector Back Panel Features and Indicators Hard Drive Indicators Hard-Drive Indicator Patterns Drive-Status Indicator Pattern Condition Power Supply and Cooling Fan Features Power Indicator Codes and Features RAID Controller Modules Planning RAID Controller Modules Function RAID Controller Module Connectors and Features Item Component Function RAID Controller Module-Additional Features Battery Backup UnitComponent Function Event Description System Password ResetStorage Array Thermal Shutdown Shutdown Threshold Type Write-Through Cache Cache Functions and FeaturesCache Mirroring Write-Back Cache Physical Disks, Virtual Disks, and Disk Groups Planning MD3200 Series Storage Array Terms and Concepts Physical Disk States Physical Disks Virtual Disks and Disk Groups Self-Monitoring Analysis and Reporting Technology RAID Levels Virtual Disk StatesRAID Controller Virtual Disk States Description RAID RAID Level Usage RAID Background Initialization Segment SizeVirtual Disk Operations Virtual Disk Initialization Consistency Check Media VerificationCycle Time Segment Size Migration Disk Group OperationsVirtual Disk Operations Limit RAID Level Migration Disk Group Expansion Virtual Disk Capacity Expansion RAID Background Operations Priority Disk Group DefragmentationDisk Group Operations Limit Disk Migration Virtual Disk Migration and Disk Roaming Planning MD3200 Series Storage Array Terms and Concepts Disk Roaming Advanced Features Host Server-to-Virtual Disk Mapping Host TypesSnapshot Virtual Disks Snapshot Repository Virtual Disk Virtual Disk Copy Source Virtual DiskTarget Virtual Disk Virtual Disk Recovery Using Snapshot and Disk Copy TogetherMulti-Path Software Virtual Disk Ownership Preferred and Alternate Controllers and Paths Load Balancing AMW, select Storage Array→ Monitor Performance Monitoring MD3200 Series System Performance Click Settings Performance Monitor Table Description Column Headings Planning MD3200 Series Storage Array Terms and Concepts User Interface Configuration Overview Enterprise Management Window Array Management Window Inheriting the System Settings Configuration Overview Configuration About Your Storage Array Out-of-Band and In-Band ManagementOut-of-Band Management Storage Arrays Adding Storage ArraysIn-Band Management Automatic Discovery of Storage Arrays Manual Addition of a Storage ArraySelect Edit→ Add Storage Array Setting Up Your Storage Array AMW, select Storage Array→ Blink→ Storage Array Locating Storage Arrays AMW Setup tab, select Rename Storage Array Naming or Renaming Storage ArraysName/Rename Storage Arrays dialog is displayed Setting a Password PasswordType the New password Viewing Storage Array Connections Password Guidelines Select Edit→ Remove→ Storage Array Adding/Editing a Comment to an Existing Storage ArrayRemoving Storage Arrays Select Edit→ Comment Failover Alert Display Enabling Premium Features Changing the Cache Settings on the Storage Array Changing Expansion Enclosure ID NumberChanging the Enclosure Order in the Physical Pane Select All storage arrays Configuring Alert NotificationsSelect Configure Alerts AMW, select Storage Array→ Change→ Enclosure Order Configuring E-mail Alerts Configuration About Your Storage Array Configuring Snmp Alerts Configuration About Your Storage Array Battery Settings Setting the Storage Array RAID Controller Module Clocks Configuration Event Monitor Enabling or Disabling the Event Monitor WindowsLinux Configuring Host Access Configuration About Your Host Using the Mappings Tab Defining a HostSelect Mappings→ Define→ Host Configuration About Your Host Select Mappings→ Remove Removing Host AccessManaging Host Groups Creating a Host Group Select Mappings→ Move Moving a Host to a Different Host GroupAdding a Host to a Host Group Removing a Host From a Host Group Host Topology Removing a Host Group Starting or Stopping the Host Context Agent LinuxWindows Click Action→ Start Data Path Protection Add Host Port Identifier dialog is displayed Managing Host Port Identifiers Configuration About Your Host Creating Disk Groups and Virtual Disks Configuration Disk Groups and Virtual Disks Introduction Create Disk Group window is displayed Creating Disk Groups Configuration Disk Groups and Virtual Disks Creating Virtual Disks Locating a Disk Group Configuration Disk Groups and Virtual Disks Map later Using Mappings View Changing the Virtual Disk Modification Priority100 101 Changing the Virtual Disk Cache Settings 102 103 Changing the Segment Size of a Virtual Disk Changing the I/O Type Select Virtual Disk→ Change→ Segment Size104 Choosing an Appropriate Physical Disk Type File system typical Database Multimedia Custom105 106 Physical Disk Security with Self Encrypting Disk 107 Shows how to interpret the security status of a disk group 108 Creating a Security Key 109 Click Create Key Changing a Security Key Confirm Change Security Key window is displayed110 Saving a Security Key Click Change Key111 112 Validate Security Key Unlocking Secure Physical Disks Erasing Secure Physical Disks113 Configuring Hot Spare Physical Disks Select Physical disk→ Hot Spare Coverage114 115 Hot Spares and RebuildHot Spare Physical Disk Options window is displayed Click Unassign 116 Global Hot SparesHot Spare Operation Hot Spare Drive Protection 117 Enclosure Loss Protection Criteria for Enclosure Loss Protection RAID Level 118 Host-to-Virtual Disk Mapping Creating Host-to-Virtual Disk Mappings119 120 121 Modifying and Removing Host-to-Virtual Disk Mapping 122 Changing Controller Ownership of the Virtual DiskRemoving Host-to-Virtual Disk Mapping Select Virtual Disk→ Change→ Ownership/Preferred Path 123 Select Disk Group→ Change→ Ownership/Preferred Path 124 Removing a Host-to-Virtual Disk Mapping Using Linux DmmpChanging the RAID Level of a Disk Group Select Disk Group→ Change→ RAID Level 125 Restricted Mappings 126Operating System Highest LUN 127 128 129 Changing the RAID Level of a Disk Group 130 Storage Partitioning Disk Group and Virtual Disk Expansion Select Disk Group→ Add Free Capacity Physical Disks131 Using Free Capacity Virtual Disk Expansion132 Non-Exportable Components Using Unconfigured CapacityDisk Group Migration Export Disk Group 134 Import Disk GroupExporting a Disk Group Importing a Disk Group 135 Non-Importable Components Changing Media Scan Settings Storage Array Media Scan136 137 Suspending the Media Scan 138 139 Configuration Premium Feature- Snapshot Virtual Disks Scheduling a Snapshot Virtual Disk Common Reasons for Scheduling a Snapshot Virtual Disk140 141 Guidelines for Creating Snapshot Schedules 142 Creating a Snapshot Virtual Disk Using the Simple PathEnabling and Disabling Snapshot Schedules Scheduled Snapshot Icons 143 About the Simple Path 144 145 Creating a Snapshot Virtual Disk Using the Advanced Path About the Advanced Path146 147 148 149 Creating the Snapshot Using the Advanced Path 150 Specify Virtual Disk Parameters window is displayed 151 Specifying Snapshot Virtual Disk Names 152 Snapshot Repository Capacity 153 Click Add Physical Disks Add Physical Disks window closes154 155 Disabling a Snapshot Virtual Disk 156 Preparing Host Servers to Re-create a Snapshot Virtual Disk 157 Re-creating Snapshot Virtual DisksSnapshot Rollback Select Virtual Disk→ Snapshot→ Re-create 158 Rules and Guidelines for Performing a Snapshot Rollback Starting a Snapshot Rollback Command Line OptionsProtecting Against a Failed Snapshot Rollback Previous Versions of the MD Storage Manager 160 Resuming a Snapshot RollbackRollback Confirm Rollback Snapshot Virtual Disk dialog is displayed 161 Canceling a Snapshot Rollback 162 163 Configuration Premium Feature- Virtual Disk Copy Types of Virtual Disk Copies Offline Copy164 165 Online Copy Creating a Virtual Disk Copy for an Mscs Shared Disk Virtual Disk Read/Write Permissions166 167 Virtual Disk Copy Restrictions Creating a Virtual Disk Copy Before you Begin168 169 Virtual Disk Copy and Modification OperationsCreate Copy Wizard Failed Virtual Disk Copy 170 Preferred RAID Controller Module OwnershipFailed RAID Controller Module Copy Manager 171 Copying the Virtual Disk 172 Storage Array Performance During Virtual Disk Copy 173 Setting Copy PriorityStopping a Virtual Disk Copy Select Change→ Copy Priority Recopying a Virtual Disk Preparing Host Servers to Recopy a Virtual Disk174 175 Re-Copying a Virtual Disk 176 Removing Copy PairsSelect Copy→ Re-Copy Select Copy→ Remove Copy Pairs 177 178 179 Configuration Device Mapper Multipath for Linux Using DM Multipathing Devices Prerequisite Steps180 Device Mapper Configuration Steps Scan for Newly Added Virtual Disks181 182 Create a New fdisk Partition on a Multipath Device Node Add a New Partition to Device Mapper183 Blacklist Local Drive in Multi-path Driver Create a File System on a Device Mapper PartitionMount a Device Mapper Partition Ready for Use 185 Important Information About Special Partitions 186 Device Mapper Commands Descriptions 187 Limitations and Known Issues Troubleshooting 188Question Answer 189 Downloading RAID Controller and Nvsram Packages 190 Downloading Both RAID Controller and Nvsram Firmware 191 Click Transfer 192 Downloading Only Nvsram Firmware Select Tools→ Upgrade RAID Controller Module Firmware Upgrade RAID Controller Module Firmware window is displayed193 194 195 Downloading Physical Disk Firmware 196 197 AMW, select Advanced→ Maintenance→ Download→ EMM FirmwareDownloading MD1200 Series Expansion Module EMM Firmware Download Environmental EMM Firmware dialog is displayed Media Errors and Unreadable Sectors Self-Monitoring Analysis and Reporting Technology Smart198 199 200 Management Installing Array Components Recommended Tools201 202 Installing the Front BezelFront Bezel Optional Removing the Front Bezel 203 Safety Models AMT, E03J, and E04JHard Drives Removing a Hard-Drive Blank Installing a Hard-Drive Blank Removing a Hard Drive204 205 Removing and Installing a Hard Drive 206 Installing a Hard Drive 207 Removing a Hard Drive From a Hard-Drive Carrier 208 209 Installing a Hard Drive Into a Hard-Drive CarrierRAID Controller Module Removing a RAID Controller Module Blank 210 Installing a RAID Controller Module Blank 211 Removing a RAID Controller Module Installing a RAID Controller Module Opening the RAID Controller Module212 213 Closing the RAID Controller Module RAID Controller Module Backup Battery Unit Removing the RAID Controller Module Backup Battery Unit214 215 Installing the RAID Controller Module Backup Battery Unit Power Supply/Cooling Fan Module Removing a Power Supply/Cooling Fan Module216 217 Installing a Power Supply/Cooling Fan Module Control Panel Removing the Control Panel218 219 220 Installing the Control Panel Backplane Removing the Backplane221 222 17. Removing and Installing the Backplane-PowerVault MD3220 16. Removing and Installing the Backplane-PowerVault MD3200 224 Installing the Backplane Management Firmware Inventory Viewing the Firmware Inventory225 226 Management System Interfaces Microsoft ServicesVirtual Disk Service Volume Shadow-Copy Service 228 229 Troubleshooting Your Storage Array SoftwareStart-Up Routine Device Health Conditions On the Setup tab, select Manage a Storage Array 230Status Icon Description Additional Status Icons Description 231 232 Storage Array Support Data Automatically Collect the Support Bundle Data Enter the Execution summary233 Collecting the Physical Disk Data Event Log234 235 Recovery Guru Storage Array Profile Select Storage Array→ View→ Profile236 237 Viewing the Logical Associations Viewing the Physical Associations238 239 Finding Nodes 240 Using Go ToSelect Find all free capacity nodes Click Find Next 241 Recovering From an Unresponsive Storage Array Condition 242 243 244 Locating a Physical Disk Locating an Expansion Enclosure Select Physical Disk→ Blink→ Expansion Enclosure245 246 Capturing the State Information 247 SMrepassist Utility Recovering From an Unidentified Storage Array Unidentified Devices248 249 250 251 Starting or Restarting the Host Context Agent Software 252 253 Troubleshooting Your ArrayTroubleshooting Loss of Communication Troubleshooting External Connections 254 Troubleshooting Power Supply/Cooling Fan Module Troubleshooting Array Cooling Problems Troubleshooting Expansion Enclosure Management Modules255 256 Troubleshooting RAID Controller Modules 257 258 Troubleshooting Hard Drives 259 Troubleshooting Array and Expansion Enclosure Connections 260 Troubleshooting a Wet Storage Array Troubleshooting a Damaged Array Conditions261 Critical Conditions ECC ErrorsPCI Errors Invalid Storage Array 263 Noncritical Conditions 264 Click All Support from Support menu Getting HelpContacting Dell Visit support.dell.com 266 267 Index 268 269 270 271 272