I have a 3 node cluster, pve, pve2, pve3. I'm removing them 1 at a time to wipe/reinstall in an effort to switch to zfs for the root filesystem. I added pve3 as zfs to begin with, so it's set.
I removed pve2 via
shutdown node
pvecm delnode pve2
wipe/reinstall
name node pve2 again, changed...