About linking service groups in a cluster
Service groups are linked in a cluster to ensure that they go online in the correct order. Service groups are linked two at a time. A service group often depends upon the resources and the run status of another service group.
The service group that must come online first is called the child service group. The service group that must come online after the child is called the parent service group.
A service group can be the child of one service group and the parent of another service group at the same time. In a complex service group, several parent-child dependencies exist to ultimately support a single application service group.
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