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IBM System Storage DS8000 Copy Services for IBM System z by Mark Wells, Alexander Warmuth, Luiz Moreira, Flavio Gondim De Morais, Peter Klee, Michael Frankenberg, Charles Burger, Thorsten Altmannsberger, Bertrand Dufrasne, Peter Cronauer

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Metro Mirror overview
This chapter explains the basic characteristics of the DS8000 Metro Mirror function when used in a System z environment. Metro Mirror was previously known as synchronous Peer-to-Peer Remote Copy (PPRC).
This chapter covers the following topics:
16.1 Metro Mirror overview
Metro Mirror (also known as synchronous Peer-to-Peer Remote Copy, or PPRC) provides real-time mirroring of logical volumes between two DS8000s ...

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