Create cluster

1. open ssh on the primary server

2. Create cluster pvecm create YOUR-CLUSTER-NAME

3. Check the cluster status pvecm status

Add server to cluster

1. on the server you want to add open ssh pvecm add IP-ADDRESS-CLUSTER

2. then run pvecm status

3. finally reboot the server.

4. Login to the web interface on the primary server. You should now see the other server added to the list on the left.

Remove a node from a cluster.

Force remove if stuck.

cd /etc/pve/nodes/
rm stuckhostname

not able to write to file

/etc/pve/nodes/node/qemu-server/ readonly

pvecm expected 1