Overview of Failover Clusters

After an organization decides to cluster an application or service using failover clusters, it must then decide which cluster configuration model best suits the needs of the particular deployment. Failover clusters can be deployed using four different configuration models that will accommodate most deployment scenarios and requirements. The four configuration models in this case are defined by the quorum model selected: the Node Majority Quorum, Node and Disk Majority Quorum, Node and File Share Majority Quorum, and the No Majority: Disk Only Quorum.

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