Dell PowerVault MD3260i CLI Guide - Page 57
Using The Virtual Disk Copy Feature
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5 Using The Virtual Disk Copy Feature This chapter describes how the Virtual Disk Copy feature works, lists the script commands for Virtual Disk Copy, and explains how to use the commands to create and run Virtual Disk Copy. Additional information about Virtual Disk Copy and related definitions is available in the online help, the Deployment Guide, the MD Storage Manager online help, and the Owner's Manual. NOTE: If you ordered Premium Features for Virtual Disk Copy, you received a Premium Features Activation card shipped in the same box as your Dell PowerVault MD storage array. Follow the directions on the card to obtain a key file and to enable the feature. For more information, see "Premium Feature - Virtual Disk Copy" in the Owner's Manual. The Virtual Disk Copy feature enables you to copy data from one virtual disk (the source) to another virtual disk (the target) in a single storage array. You can use this feature to perform the following functions: • Back up data. • Copy data from disk groups that use smaller capacity physical disks to disk groups using larger capacity physical disks. • Restore snapshot virtual disk data to the associated source virtual disk. NOTE: The preferred method is to perform a Virtual Disk Copy from a Snapshot Virtual Disk. This allows the original virtual disk used in the Snapshot operation to remain in full use while the Snapshot of this virtual disk is used as the source for the virtual disk copy operation. NOTE: The Virtual Disk Copy for any Virtual Disk cannot be mounted on the same host as the source Virtual Disk. The Microsoft Windows operating system does not allow assigning a drive letter to the Virtual Disk Copy. The following table lists the Virtual Disk Copy commands and briefly describes what the commands do. Table 12. Virtual Disk Copy Commands Command create virtualDiskCopy disable storageArray feature=virtualDiskCopy enable storageArray feature recopy virtualDiskCopy remove virtualDiskCopy set virtualDiskCopy show virtualDiskCopy Description Creates a virtual disk copy and starts the virtual disk copy operation. Turns off the current virtual disk copy operation. Activates the Virtual Disk Copy feature. Re-initiates a virtual disk copy operation by using an existing virtual disk copy pair. Removes a virtual disk copy pair. Defines the properties for a virtual disk copy pair. Returns information about virtual disk copy operations. You can retrieve information about a specific virtual disk copy pair, or all virtual disk copy pairs in the storage array. 57