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Node 3 holds the SCSI PR on Test Disk 0 but has failed in its attempt to bring the disk online. Incorrect function.

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We have a two node cluster hosting several hyper v machines that has been running well for over two years now.

The nodes are named node3 and node4

After a pair of nasty power failures we have noted that our failover is no longer functioning. 

We noted that one node in our two node cluster contains two CSVs. One named ClusterStorage which appears to both nodes. The new and suspect volume is named ClusterStorage.000 and only appears on one of the 2 nodes (node3). After some experimenting we ran the cluster validation wizard and the most notable error is as follows;

Node node3.xxxx.local holds the SCSI PR on Test Disk 0 but has failed in its attempt to bring the disk online. Incorrect function.

After that the validate file system is cancelled.

More notes;

We can live migrate all of the hyperv machines between nodes with no problem. If we put all the machines on node 3 and reboot node4 everything is fine.  If we put all the machines on node4 and reboot node3 then all of the hyper machines fail.

Any suggestions are welcome.

Thank you


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