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VMware Employee
VMware Employee

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

www.vmwarearena.com

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Jitu211003
Hot Shot
Hot Shot

Hi,

If you know about UUID then you will get your answer yourself.

When you attach a disk (Whether RDP physical or virtual), a uuid is generated and inside the pointer file there is RDM information also like lun id, some sort of storage information.

if you attached a new cloned rdm, VMs is gonna create a new pointer for it with a new UUID.

For more, visit, vmwarediary.com or vmwarediary.in

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