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Peer-to-Peer Extended Distance z/OS DFSMS Introduction SC23-6851-00 |
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When you enable the PPRC extended distance feature (PPRC-XD), the primary and recovery storage control sites can be separated by long distances. Updates made to a PPRC primary volume are sent to a secondary volume asynchronously, thus requiring less bandwidth. If you are trying to decide whether to use synchronous
or asynchronous PPRC, consider the differences between the two modes:
Related reading: Refer to z/OS DFSMS Advanced Copy Services for details on the PPRC extended distance feature. |
Copyright IBM Corporation 1990, 2014
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