Failed to get volume guid for device

Hi,

I've seen a few other threads with this error but no solutions which seem applicable to our environment.

We have a 2 node Windows 2008 R2 cluster.

All resources running fine on one node.  But when we try to fail resources over to the second node the cluster disks won't come online.

Eventlog just says "Cluster resource 'Cluster Disk 19' in clustered service or application 'x' failed."

ValidateStorage log shows the following error:

CprepDiskOnline: Failed to get volume name for device \\?\GLOBALROOT\device\Harddisk19\Partition1\, status 3.

Cluster log shows the following error:

WARN [RES] Physical disk <Cluster disk 19>: OnlineThread: Failed to get volume guid for device \\?\GLOBALROOT\device\Harddisk19\Partition1\. Error 3.

I'm not sure what to do with this.  It's like one node can't read the disk correctly.  All the disks are showing in disk management OK.

Any advice would be appreciated.

Thanks,

Steve