Changing Resources/ Flavor for Nodes in a Clustered Controller Deployment

This section shows the steps for upgrading Controller size for a Controller cluster.

The steps are as follows:

1. Take backup of the configuration.

2. Dismantle the cluster.

   1. Remove both the followers (see 'Dismantling the Controller Cluster' section in this topic)

3. Resize the controller nodes.

4. Re-create the cluster, from the same leader