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| About the ClusterService group | ||
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The ClusterService group is a special purpose service group, which contains resources that are required by VCS components.
The group contains resources for the following items:
Notification
Wide-area connector (WAC) process, which is used in global clusters
By default, the ClusterService group can fail over to any node despite restrictions such as the node being frozen. However, if you disable the AutoAddSystemToCSG attribute, you can control the nodes that are included in the SystemList. The ClusterService group is the first service group to come online and cannot be autodisabled. The ClusterService group comes online on the first node that transitions to the running state. The VCS engine discourages the action of taking the group offline manually.