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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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Global Copy overview
This chapter describes the characteristics and operation of Global Copy. It also describes various considerations for Global Copy implementation with the IBM System Storage DS8000.
This chapter covers the following topics:
21.1 Global Copy overview
Global Copy (formerly known as PPRC Extended Distance (PPRC-XD)) is a non-synchronous remote copy function for System z and Open Systems environments that is used for longer distances than are possible ...

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