Full System Recovery: Recovering a Cluster on Windows Server 2008 and Later
Applies to: Windows Server 2008, 2008 R2, 2012, 2012 R2.
You can recover a cluster on a Windows client in one of the following ways:
- Restoring Cluster Services
- Authoritative Restores
- Non-Authoritative Restores
Restoring Cluster Services
On a Windows computers, the cluster services will be restored automatically in any of the following scenarios:
|Cluster files on witness disk/Quorum Disk) are corrupt||
|Cluster database (ClusDB) on a single node is missing or corrupt||Healthy nodes will be contacted and an updated ClusDB will be downloaded.|
|Complete loss of Witness Disk/LUN occurs||
Perform the Authoritative Restore of cluster on Windows 2008 or later if you alter the cluster configuration or delete a large number of resources. You can perform the authoritative restore only if all cluster nodes and services are running.
A non-authoritative restore is performed in the following scenarios:
- Single node in a cluster fails completely (no boot) and the shared disks are still functional
- Complete loss of all nodes and storage
To restore the original cluster configuration, perform the following tasks: