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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 Mirror overview
This chapter provides an overview of Global Mirror. This chapter describes the necessity for data consistency at a distant secondary site when synchronous data replication such as Metro Mirror is not possible. This chapter explains how Global Mirror works in a manner similar to a distributed application, that is, in a server and client relationship. Finally, this chapter provides a step-by-step process to establish a Global Mirror environment. This chapter concludes with an overview of multiple Global Mirror master session ...

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