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Hyper-V, Live Migration fails on one VM

Posted on 2012-09-12
Medium Priority
Last Modified: 2012-09-25
Hello Everyone,

I'm having a problem with just one of eight VMs on a Server 2008 R2 Hyper-V Cluster, 2-nodes. It fails Live Migration each time with ambiguous "Migration attempt failed."

While digging into the event logs I get the following:
These are from Hyper-V-High-Availability>Admin

'Virtual Machine EXC2010' live migration did not succeed at the source.
'Virtual Machine Configuration EXC2010' failed to update the settings of the virtual machine. Check the settings of the virtual machine.
Live migration of 'EXC2010' did not succeed. (Virtual machine ID 466CA465-116C-4C29-8249-D56EA2435DD9)
The live migration did not succeed at the remote node.

These are from Cluster Events:
Cluster resource 'Virtual Machine EXC2010' in clustered service or application 'EXC2010' failed.
The Cluster service failed to bring clustered service or application 'EXC2010' completely online or offline. One or more resources may be in a failed state. This may impact the availability of the clustered service or application.

These are from C:\Windows\Cluster\Reports\Cluster.log
mscs::GumAgent::ExecuteQueuedUpdate: ERROR_FILE_NOT_FOUND(2)' because of '::RegDeleteKey( handle, name.c_str() )'(Resources\2d8745a8-e9ee-48bc-a33b-7c2bf9e08456\Internal\VmPrivateRestartAction)
There are a few others in the Cluster.log but they are all similar to each other.

I'm not sure what's going on as it's only affecting one VM of the cluster. Every other VM Live Migrates perfectly with no hiccups. I'm not able to attempt a Quick Migration as this is a production VM but I can later this evening and update everyone if it worked or not.

Check the settings and I don't see anything different compared to any of the other VMs. They were all created in the same way as well.
I checked the typical stuff like network names not matching, notes in the VM settings page, security permission on the VM folder under C:\ClusterStorage\Volume1 and set it to Everyone(FULL) for giggles.

Thanks for your help.
Question by:justin-jurgens
  • 4
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LVL 125
ID: 38396180
Can you test your Cluster using the Cluster Veficiation Wizard.

Author Comment

ID: 38397673
I have and the only things that come up are:
--Failed disk tests. Which is expected as this is in production.
--Warning on updates test as there is an update on one server that isn't on the other. Easily fixable but won't cause this problem.
--Warning on network test as there are multiple NICs in the same subnet. Which is expected as Equallogic SANs don't support multiple subnets on their controllers so the NICs dedicated to ISCSI are on the same subnet.

Nothing else.
LVL 125
ID: 38397796
Failed disk tests - this is expected?
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Author Comment

ID: 38406176
Yes that is my understanding because it's already configured for Cluster Shared Volumes the disk tests do not pass if you run Cluster Validation after configuring and setting up the cluster. Am I wrong in assuming that? They passed prior to me setting up the cluster itself.

Accepted Solution

justin-jurgens earned 0 total points
ID: 38420789
Got some downtime this evening, I deleted the VM from Failover Cluster (making it non Live Migration capable) then re-added it back. Resolved the problem I was having where this VM would not move (Live or Quick) but other VMs would.

Author Closing Comment

ID: 38431963
No one else gave a solution. I eventually figured it out myself.

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