Chapter 9.4.1. Configuration requirements for long distance links
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158 SAN Volume Controller: Best Practices and Performance Guidelines 9.3.7 Summary of FlashCopy rules To summarize the FlashCopy rules: FlashCopy services can only be provided inside an SVC cluster. If you want to FlashCopy to remote storage, the remote storage needs to be defined locally to the SVC cluster. To maintain data integrity, ensure that all application and host I/ Os are flushed from any application and operating system buffers. You might need to stop your application in order for it to be “ restarted” with a copy of the VDisk that you make. Check with your application vendor if you have any doubts. Be careful if you want to map the target flash copied VDisk ...
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