Decommission a node
Decommission a node using OpsCenter Nodes administration.
For more information about manually decommissioning a node, see the corresponding nodetool decommission command.
Click cluster name > Nodes.
The Node Details dialog appears.
From the Actions menu, click Decommission.
The Decommission Node dialog prompts you to confirm the operation.
Click Decommission Node.
If you decommission and replace a node using the same hardware or virtual machine, the agent service must be restarted after the node is decommissioned. Restart the agents.