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Added with the PowerMaxOS 5978 Q3 2020 SR and Solutions Enabler/Unisphere for PowerMax 9.2, SRDF/Metro Smart DR provides SRDF/Metro with a single asynchronous target R22 volume which may be populated from either the R1 or R2 volume of an SRDF/Metro paired solution. Adding the capability to use a single asynchronous target volume simplifies setup, maintenance capabilities, system requirements, and reduces the amount of disk space required for a single target system.
The Smart DR feature adds the following capabilities to SRDF/Metro:
Note: See Restrictions and dependencies for specific Smart DR requirements.