All,
I hope anyone can offer an answer.
We have a HA Windows 2012 Hyper-v Server cluster with an EqualLogic storage.
We have serveral machines running on passthrough disks with no issues. When I am trying to add a new VM with passthrough disk, the machine fails to start up with the error above.
Furthermore, the disk is showing as online on Storage Manager of the node (as well as on the Cluster Disks). When trying to set offline on Storage Manager, it reports:
"The specified disk or volume is managed by the Microsoft Failover Clustering component. The disk must be in cluster maintenance mode and the cluster resource must be online to perform this operation." Following this instructions did not make a difference and the VM still failed to start.
The process followed to add the passthrough disk to the clustered VM is as perhttp://alasdaircs.wordpress.com/2010/04/11/clustered-hyper-v/ (with the slight difference of creating the volume on the iSCSI) which has worked fine for all other VMs currently in production.
The disk appears in Cluster disks as C:\ClusterStorage\Volume2 as opposed to \\?\GLOBALROOT\...
Any ideas?