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Missing VM after storage failure

Posted on 2014-01-30
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Last Modified: 2016-05-21
We had an issue with one of our Cluster Storage Volumes.  After the volume came back online, all but 2 systems came back.  VMM is showing the 2 VMs as Status = Missing, State = Running.  Failover Cluster Manager is showing the 2 VMs as failed and I have the following critical events when I try to bring the VM online:

21502 -

'Virtual Machine Configuration "computer name' failed to register the virtual machine with the virtual machine management service.

The Virtual Machine Management Service failed to register the configuration for the virtual machine 'id number' at 'C:\ClusterStorage\Volume#\computer name': The system cannot find the file specified. (0x80070002). If the virtual machine is managed by a failover cluster, ensure that the file is located at a path that is accessible to other nodes of the cluster.

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Cluster resource 'Virtual Machine Configuration computer name' of type 'Virtual Machine Configuration' in clustered role 'SCVMM computer name Resources' failed. The error code was '0x2' ('The system cannot find the file specified.').

Based on the failure policies for the resource and role, the cluster service may try to bring the resource online on this node or move the group to another node of the cluster and then restart it.  Check the resource and group state using Failover Cluster Manager or the Get-ClusterResource Windows PowerShell cmdlet.

I can see the VM information in the Volume that VMM thought it was located in.  If I go to Hyper-v manager the VM is not listed anymore.  Any ideas on how I can recover these 2 VMs?  We are using VMM 2012 and our hyperv servers are running 2012 R2.
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Question by:PPPL-helpdesk
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LVL 119
ID: 39823599
Is the VM on the disk?
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Author Comment

by:PPPL-helpdesk
ID: 39825427
Yes, I see the VM on the disk.  We found that the symbolic link broke and we had to recreate it.  Now, our only issue is that Live Migration is not working for the systems that were on the CSV with the issue.  Live Migration is not working for the systems that were Missing and the ones that came back on their own.
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Expert Comment

by:S00007359
ID: 39828251
can u cdo a v2v of the vm's
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Author Comment

by:PPPL-helpdesk
ID: 39840544
What do you mean v2v?
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LVL 119
ID: 39840565
Virtual to Virtual conversion.
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Accepted Solution

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PPPL-helpdesk earned 0 total points
ID: 39878330
We found that the issue was related to snapshots that no longer existed.  Once we removed these "ghost snapshots" live migration started to work properly.
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