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:


Corrective Action

Cluster files on witness disk/Quorum Disk) are corrupt
  • Files in the \Cluster directory will be re-created.
  • Cluster configuration will be ‘pushed’ to the Witness Disk
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
  • If using Disk Only quorum model you need to use /ForceQuorum recovery switch.
  • Use Cluster Quorum Wizard to change quorum disk designation.

Authoritative Restores

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.

Non-Authoritative Restores

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:

  1. Rebuilding the Operating System
  2. Recovering Windows File System Data

Related Topics

Recovering a Non-Domain Controller

Recovering a Domain Controller

Recovering RIS Server with SIS Common Store

Recovering a Cluster on Windows Server 2003