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DS8870 Data Migration Techniques by Alexander Warmuth, Bertrand Dufrasne, Joachim Appel, Werner Bauer, Susan Douglass, Peter Klee, Miroslaw Pura, Mark Wells, Bjoern Wesselbaum

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Data Migration with 2-site z/OS Global Mirror replication
This chapter describes several approaches to perform a volume-based migration to a new storage system in a z/OS Global Mirror (zGM) environment.
zGM, previously known as Extended Remote Copy (XRC), is a 2-site disaster recovery solution based on system software that has the potential to provide a self-contained solution that does not require any additional complex or costly management framework.
Because zGM is driven by the host server (System z), you cannot migrate the storage system concurrently ...

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