Introduction to HA Configuration
An Application Suite cluster is a set of two or more IAS installations (cluster nodes) that have been configured to work together in order to grant continued service even when some of them fail. Each node in the cluster synchronises its data with another one. In a normal situation the information tend to be exchanged in a ring to ensure that every node is updated as soon as possible.
If one of the nodes fails, the data synchronization service can detect it and automatically bypass it by changing its topology without any administrative intervention. In the same way, when the failed node is restored, the cluster will reintegrate it automatically.
This section of the Administrator Guide explains how to create, manage and monitor an Application Suite Cluster to provide high availability.
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