4.4 to 5.0

Hi guys, I'm planning a maintenance for tonight and I'd like your help. I have 10 VMs running on 3 nodes of PVE 4.4, for storage I'm using a external iSCSI NAS. So I'll move all VMs to node1, delete node2 and node3, make a fresh install of PVE 5.0 on node2 (keep or change his hostname to node5...