Cluster: Delete a Cluster Node
You can delete nodes in a cluster. Proceed as follows:
Log in to your Next Generation Hardware Appliance.
Open the Cluster page.
In the section Cluster Members, click Unlock to make changes.
In the Cluster Members list, find the node you want to delete and click Remove.
In the Remove dialog, activate the confirmation
Yes, I want to remove this node and click Remove.
The node will be removed from the cluster. Data on the node will remain untouched by this action.