HP XP P9500 Storage - Manual (Page 21)

Requirements, restrictions, and recommendations
Observe the following when using the consistency group pair-split with shared Cnt Ac-S or Cnt
Ac-J volumes:
•
RAID Manager is required.
•
BC primary volumes must be shared with the Cnt Ac-J or Cnt Ac-S secondary volumes.
•
BC pairs must be registered in the same BC consistency group, to insure consistent backup
operations.
•
The same status is required for all Cnt Ac-J or Cnt Ac-S pairs whose S-VOLs are shared with
the BC consistency group pairs.
•
Cnt Ac-J/BC pair status must be the following:
Cnt Ac-J: PAIR or PSUS. ◦
◦ BC: PAIR or COPY(PD)/COPY.
•
Cnt Ac-S/BC pair status must be the following:
PAIR or PSUS. ◦
◦ BC: PAIR or COPY(PD)/COPY.
•
One split operation can be performed per BC consistency group.
•
Cnt Ac-J pairs must belong to the same journal group. If multiple journal groups are registered
in one BC consistency group, consistent backup cannot be insured on BC secondary volumes.
•
With Cnt Ac-J,three split operations can be performed per Cnt Ac-J journal (equivalent to three
BC consistency groups).
consistency group pair-split at a specific time 21