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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 performance and scalability
This chapter describes performance considerations for planning and configuring Global Mirror for DS8000. The chapter describes the potential impact that the three phases of consistency group formation might have on application write I/Os.
This chapter covers the following topics:

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