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> Chapter 15 - High Availability > Operating clusters and virtual clusters > Changing the HA configuration of an operating cluster

Changing the HA configuration of an operating cluster

To change the configuration settings of an operating cluster, go to System > HA to display the cluster members list. Select Edit for the master (or primary) unit in the cluster members list to display the HA configuration page for the cluster.

You can use the HA configuration page to check and fine tune the configuration of the cluster after the cluster is up and running. For example, if you connect or disconnect cluster interfaces you may want to change the Port Monitor configuration.

Any changes you make on this page, with the exception of changes to the device priority, are first made to the primary unit configuration and then synchronized to the subordinate units. Changing the device priority only affects the primary unit.