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Snapshot and Revert Snapshot of virtual machine with RDM disks marked as Independent Persistent
Hi,
I have oracle RAC VM's (5 node VM's) configured with VMDK and also RDM disks marked as (Independent Persistent and multi-writer enabled). I am sure that When I take a snapshot of the VM, all my RDM disks(virtual compatibility) marked as Independent persistent will not be part of my Snapshot. We have a plan to upgrade software in the VM's and test the rollback scenario.
Take snapshot of the VM (Only VMDK's will be part of snapshot)
Clone the RDM disks using Storage clone technology.
Upgrade the Software
Power off the VM's
Remove the existing RDM disks from virtual machines
Revert the Snapshot
Assign the Clone RDM's to the ESXi and create mapping VMDK's from ESXi host
Attach the mapping VMDK to each of the VM's
Power on the VM
We never tested Snapshot Revert and Storage Clone at the same time. Can someone suggest, if you have an idea to better handle this activity?
Thanks,
Mohammed