Changing IP address of nodes in cluster

1) On Node to have IP address changed edit /etc/pve/corosync.conf

2) Update IP for node to be changed and increment config_version
Once saved this will sync to all other nodes in cluster

3) Edit /etc/network/interfaces and update new IP address

4) Edit /etc/hosts and update new IP address

5) either run

ifdown vmbr0; ifup vmbr0

Or simply restart node