[ClusterLabs] Need to replace EMC shared disk with an EMC disk from a different EMC Storage

[DAVIDNI1 at clalit.org.il]

Hi. We need to clear an old EMC storage and the only thing that's left there is the shared disk of our Pacemaker cluster.

Version:
RHEL 7.2
Pacemaker 1.1.13
Corosync 2.3.4

Can someone tell me how can I replace the shared disk? I believe mirror the logical volume and take out the old EMC disk will be the best option.

Found this Article

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Logical_Volume_Manager_Administration/mirvol_create_ex.html

The problem (or maybe it's not a problem at all) is that the shared disk wasn't created as mirror from the beginning, and now I'm not sure how can I add/replace the current shared disk that is already configured and has data on it.

Help will be very appreciate.

Thanks,

David.





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