Cluster History
Cluster History provides a list of servers that were previously in the cluster. A server joins the cluster when it is started and leaves the cluster when it is stopped or restarted. A server may also leave the cluster if it crashes or is otherwise unable to communicate with the configuration database for longer than 5 minutes.
The default configuration to retain the cluster history is thirty days. To update the configuration, click the Options button at the bottom of the screen.
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Enter the desired number of days, and click Go.
As Cluster history accumulates, administrators will need to quickly identify a particular Cluster History Record. The Cluster History Options interface allows administrators to filter by App Name , Host Name, or IP Address.