Hyper V cluster - one VM won't migrate

Posted by Chris W on Server Fault See other posts from Server Fault or by Chris W
Published on 2010-03-15T15:43:02Z Indexed on 2010/03/15 15:50 UTC
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hyper-v-server-2008-r2

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live-migration

We have a Failover Cluster built up on 6 blades, each running Hyper V. Each box is running Server 2008 R2.

We've got a number of VMs running that all have the same basic config:

VHD stored on a cluster shared volume. 2 virtual NICs (1 for LAN connection and 1 for SAN connection).

All of our VMs will happily migrate between any other blade apart from one single VM which is running fine on it's current blade but will not migrate to any other location.

What could be the cause of it or where should I look to get a detailed error message as I can't seem to find much information logged in any of the logs.

Edit:

I know the usual culprit is mis-matching resource names. We've already been there with the NICs named differently on some of the blades. As far as we can tell now everything looks to be identical on each bit of metal.

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