handling Persistent Reservation failures in Windows 2012 R2 and Windows 2012
Run Cluster Validation Wizard:
If you notice the following errors in the Cluster Validation Wizard output as following, please use the following remediation plan.
Physical Disk <DBReports>: PR reserve failed
Physical Disk <DBReports>: ResHardDiskArbitrateInternal: PR Arbitration for disk Error
Physical Disk <DBReports>: OnlineThread: Unable to arbitrate for the disk
Physical Disk <DBReports>: OnlineThread: Error bringing resource online.
Remediation Plan A:
- Look up the disk number in disk management. Clear the persistent reservation on a disk in a failover cluster. RunClear-ClusterDiskReservation -Disk <UInt32> [-Node] <StringCollection> -Force powershell command to clear the reservation on disk.
Remediation Plan B:
Shutdown all nodes but keep only one node active
Restart that active node while other nodes are shutdown
Start clustering with /fq.
net.exe stop clussvc
net.exe start clussvc /forcequorum
Verify that disks are accessible in disk management in the active node, and start other cluster nodes