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IBM DS8870 Copy Services for Open Systems by Bertrand Dufrasne, Sherri Brunson, Don Skilton, Warren Stanley, Alexander Warmuth, Mark Wells

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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:
18.1 Global Copy overview
Global Copy is a non-synchronous remote copy function for Open Systems and z Systems environments that is used for longer distances than are possible with Metro Mirror. Global Copy is appropriate for remote ...

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