HP 3PAR Operating System Software - Manual (Page 250)

In this example, when SystemA is restored, HP 3PAR Remote Copy performs the following actions:
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Transfers data from SystemB to SystemA.
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Restores SystemA as the primary system.
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Restores SystemB and SystemC as backup systems.
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Restores synchronous mode between SystemA and SystemB.
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Restores asynchronous periodic mode between SystemA and SystemC.
250 Disaster Recovery for SLD Configurations