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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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Copy Services based Migration Scenarios
This part examines typical data migration scenarios based on DS8000 Copy Services. It starts from the most common initial configurations and describe procedures to replace single or multiple instances of the data within them. The following initial configurations are covered:
No initial copy services in place
2-site Metro Mirror
3-site Metro Mirror (MT-PPRC)
3-site Metro Global Mirror
2-site Global Mirror
2-site z/OS Global Mirror (zGM)
The first chapter in this section describes some general considerations ...

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