Chapter 9.1.3. Performing three-way copy service functions
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144 SAN Volume Controller: Best Practices and Performance Guidelines 9.1 SAN Volume Controller Advanced Copy Services functions In this section, we describe SAN Volume Controller ( SVC) Advanced Copy Services functions. 9.1.1 SVC copy service functions SVC provides copy services to VDisks between a source VDisk and a target VDisk. All copy services can be performed to target VDisks in the same cluster as the source VDisk. The target VDisk must be in the same I/ O Group as the source VDisk for Metro Mirror or Global Mirror, but can be in any I/ O Group for FlashCopy. Only Metro Mirror and Global Mirror are available to VDisks in a different cluster; however, there is a restriction ...
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