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Re-Assign RDM of an inaccessible VM

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Hi,


we have an Exchange Server 2010 VM that is regularly backed up and replicated using Veeam Backup & Replication. The VM consists of one virtual hard disk with the system partition of the guest operating system and one physical RAW device mapping to a LUN with the Exchange databases/logs on it.

 

I've just performed a test what happens if the storage that hosts the VM files goes down. In this case I usually would want to use a backup or replica of he VM, re-attach the RDM (that is hosted on a different storage system) and go to production again.

 

However, after I have simulated a storage failure, the VM changes its state to "inaccessible" and I can't change it's configuration anymore (which is quite logical I think). The problem here is: I cannot re-assign the RDM with the databases on it to the backup/replica VM as it is still tied to the failed VM!

 

Is there a way to remove the RDM from the failed/inaccessible VM and attach it to a different one (the replica in my case)?

 

Thanks,
Michael


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