Changing the IP address of a cluster while it belongs to a cluster is not supported. In order to change the IP address, you must first remove it from the cluster, update the IP address and then add it back.
For example:
- Select System > Clustering > Cluster status.
- Select the check box for the name of the node whose IP address you want to change.
- Click Remove.
- After the node is removed, sign in to that node, change its IP address and click Save Changes.
- In the main node, add the changed node to the cluster configurations.
- Log in to the changed node and rejoin the cluster.
The following procedure is a model for changing both node IP addresses in an active/passive cluster:
- Select System > Clustering > Cluster status.
- Click Delete Cluster.
- Change the IP address of each node.
- Log in to the main node and re-create the cluster, changing it from active/active to active/passive and defining the internal and/or external VIP addresses.
- Add the other node to the cluster configurations.
- Log in to the passive node and add it to the cluster.
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