Remote mirroring
The remote mirroring function provides a real-time copy between two or more IBM FlashSystem A9000 and A9000R systems, or asynchronously with an XIV Gen3. This feature provides a method to protect data from site failures.
 
New features:
IBM FlashSystem A9000 and A9000R running code 12.2 or later can use cross-generational asynchronous mirroring with XIV Gen3 systems running code 11.6.2.a or later.
With software V12.2.1, the maximum number of mirroring pairs is raised to 3072 for synchronous mirroring and 1024 for asynchronous ...

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