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Expanding the capacity of a replicated LDEV

Question asked by Paul Parris on Aug 25, 2016
Latest reply on Aug 26, 2016 by Paul Parris

For a VSP or HUS using HDP/HDT that has replicated LDEVs (either local or remote), what is the correct procedure to expand the P-VOL and S-VOL using HCS and HRpM?


Is it:

- Suspend the pair (PSUS state) in HRpM

- Delete the pair (SIMPLEX state) in HRpM. Horcm files remain intact.

- Expand DP Volume within DP Pools screen on HCS for P-VOL and S-VOL (obviously target capacities must be identical)

- Recreate the original pair relationship in HRpM


Or can you omit the pair deletion step and just resync from PSUS after expanding the DP volumes?


Thanks in advance!