IBM DS8000 Copy Services: Updated for IBM DS8000 Release 9.1

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Implementing a Global Copy plus Global Mirror topology

This chapter describes the Global Copy plus Global Mirror topology and its use in providing a disaster recovery solution with three sites in three different regions separated by long distances. It includes the following topics:

•43.1, “Overview of Global Copy plus Global Mirror topology” on page 516

•43.2, “Creating a Global Copy plus Global Mirror topology” on page 516

•43.3, “Outage at Global Copy secondary H2” on page 518

•43.4, “Outage at Global Mirror H3” on page 519

•43.5, “Outage at ...

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