IBM DS8870 Copy Services for Open Systems

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Global Copy options and configuration

This chapter describes the options that are available when you use Global Copy. This chapter also describes the configuration guidelines that you should consider when you plan for Global Copy with the IBM System Storage DS8000.

The chapter covers the following topics:

•Global Copy basic options

•Creating a consistent point-in-time copy

•Cascading

•Hardware requirements

•Bandwidth considerations

•Distance considerations

•Other planning considerations

19.1 Global Copy basic options

First, we review the basic ...

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