IBM DS8000 Copy Services: Updated for IBM DS8000 Release 9.1

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MultiTarget PPRC with cascaded Metro/Global Mirror

This chapter describes how Multiple Target Peer-to-Peer Remote Copy (PPRC) simplifies the use of a cascaded Metro/Global Mirror environment and provides added flexibility. It includes the following topics:

•45.1, “Cascaded Metro/Global Mirror topology” on page 530

•45.2, “Outage at H3” on page 530

•45.3, “Outage at H2” on page 531

•45.4, “Outage at H1” on page 531

•45.5, “Cascaded Metro/Global Mirror and Multiple Target PPRC Metro/Global Mirror” on page 537

45.1 Cascaded Metro/Global Mirror topology ...

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