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| About controlling fault propagation | ||
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| Prev | About controlling VCS behavior at the service group level | Next |
The FaultPropagation attribute defines whether a resource fault is propagated up the resource dependency tree. It also defines whether a resource fault causes a service group failover.
You can configure the FaultPropagation attribute with the following possible values:
If the FaultPropagation attribute is set to 1 (default), a resource fault is propagated up the dependency tree. If a resource in the path is critical, the service group is taken offline and failed over, provided the AutoFailOver attribute is set to 1.
If the FaultPropagation is set to 0, resource faults are contained at the resource level. VCS does not take the dependency tree offline, thus preventing failover. If the resources in the service group remain online, the service group remains in the PARTIAL|FAULTED state. If all resources are offline or faulted, the service group remains in the OFFLINE| FAULTED state.
When a resource faults, VCS fires the resfault trigger and sends an SNMP trap. The trigger is called on the system where the resource faulted and includes the name of the faulted resource.