Restoring a failover cluster from backup Cluster Name

• • Restoring a failover cluster from backup Cluster Name Object (CNO) Recovery Replacing a shared disk Quorum Recovery

Site A Site B SAN

Node Majority • Default model when you create a cluster without storage • Recommended model when your cluster has an odd number of nodes Node and Disk Majority • Default model when you create a cluster with storage (and at least one disk with an NTFS file system) • Cluster folder will be created which contains a complete copy of the cluster registry HIVE HKLMCluster • Recommended when you have an even number of nodes Node and File Share Majority • Needs to be configured manually • Connection to a SMB network share required • FSW contains log file with Paxos tag information No Majority Disk Only • Manual configuration required • Single point of failure • Useful when the majority of cluster nodes is not available (hardware failure? )

http: //download. microsoft. com/documents/australia/services/datasheets 2012/Cluster Service Recovery Execution Service (CSRES). pdf http: //technet. microsoft. com/en-us/library/cc 771973. aspx http: //blogs. technet. com/b/askcore/archive/2009/04/27/recovering-a-deleted-cluster-name-object-cno -in-a-windows-server-2008 -failover-cluster. aspx http: //blogs. technet. com/b/dpm/archive/2013/05/01/sc-2012 -sp 1 -dpm-leveraging-dpm-scaleoutfeature-to-protect-vms-deployed-on-a-big-cluster. aspx

http: //aka. ms/WS 2012 R 2 http: //aka. ms/SC 2012 R 2

http: //channel 9. msdn. com/Events/Tech. Ed www. microsoft. com/learning http: //microsoft. com/technet http: //microsoft. com/msdn