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Sumantht1983
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SRDF device online expansion

Hello,

We have multiple SRDF Asynchronous groups running between two data centers. For expanding a device that is part of SRDF we are currently using the below procedure. Just checking if the procedure is still the same and is there a better procedure so we could do it quickly (We have RDM's and we do these tasks very often)

1. Disable consistency (Consistency flag enabled on all our groups)
2. Change SRDF mode from Aysync to Adaptive copy mode
3. Suspend the SRDF session for the device that needs expansion
4. Delete the pair from group
5. Expand the devices on both sides
6. Re-add them to the group and do an establish
7. Enable consistency

VMAX: VMAX100K

HyperMax OS Running: 5977.1131.1131

 

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