DELL MD3220 사용자 설명서

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Configuration: Premium Feature—Virtual Disk Copy
In the Select source virtual disk are, select the appropriate virtual disk and 
click Next.
The 
Select Target Virtual Disk and Copy Priority window is displayed.
In the Select target virtual disk area, select the appropriate virtual disk 
In the Select copy priority area, select the relevant copy priority and click 
Next.
The Preview window displays the summary of your selections.
Type yes, and click Finish.
 
NOTE: 
Operation in Progress icons appear on the source virtual disk and the target 
virtual disk while the virtual disk copy has a status of In Progress or Pending.
For more information, see the PowerVault Modular Disk Storage Manager 
online help topics.
Storage Array Performance During Virtual Disk 
Copy
The following factors contribute to the overall performance of the storage 
array:
• I/O activity 
• Virtual  disk  RAID  level 
• Virtual disk configuration—Number of drives in the virtual disk groups 
• Virtual disk type—Snapshot virtual disks might take more time to copy 
than standard virtual disks 
During a virtual disk copy, resources for the storage array are diverted from 
processing I/O activity to completing a virtual disk copy. This affects the 
overall performance of the storage array. When you create a new virtual disk 
copy, you define the copy priority to determine how much controller 
processing time is diverted from I/O activity to a virtual disk copy operation.
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