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A disaster recovery setup requires a good understanding of available technologies and applications. This involves storage, fabric, servers and their virtualization technologies, the operating system with the cluster software, and finally the application. This white paper summarizes how the metro mirror, also referred to as Peer-to-Peer Remote Copy (PPRC), as a synchronous storage mirroring facility of the IBM System Storage DS, can be exploited for SAP applications that are under the control of IBM PowerHA SystemMirror and PowerHA extended distance versions on IBM AIX.
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