Patent ID: 7953890

Claim:
A method comprising: receiving information identifying a new coordinator resource for use by a cluster, wherein the cluster is coupled to an existing coordinator resource, the cluster comprises a plurality of nodes, and one of the nodes of the plurality of nodes is a primary node; detecting whether each of the nodes within the cluster is committing to use the new coordinator resource, wherein the detecting comprises detecting whether each of the nodes of the cluster has received a switchover request, and the detecting is performed prior to switching from the existing coordinator resource to the new coordinator resource; detecting a cluster partition; switching from the existing coordinator resource to the new coordinator resource, in response to detecting that each of the nodes within the cluster is committing to use the new coordinator resource, wherein the new coordinator resource is configured to deny access by a first node of the plurality of nodes subsequent to the cluster partition; and ending cluster operations on the first node, if the first node has not received a done message from each of the other nodes in the cluster prior to detection of the cluster partition, wherein each done message indicates that a respective sending node is now using the new coordinator resource.