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IBM DS8870 Copy Services for Open Systems by Bertrand Dufrasne, Sherri Brunson, Don Skilton, Warren Stanley, Alexander Warmuth, Mark Wells

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FlashCopy examples
This chapter presents examples of the usage of FlashCopy in the following scenarios:
Fast setup of test systems or integration systems
Fast creation of volume copies for backup purposes
13.1 Creating a test system or integration system
Test systems or integration systems are needed to perform application tests or system integration tests. Because many write operations probably occur over the period that is involved in the tests, perform a copy in the background environment.
13.1.1 One-time test system
Assume that there is ...

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