split brain

i had a cluster with 4 nodes and a qdevice so 5 votes. I wanted to remove 1 node and the qdevice because I experienced split brain. after trying to remove one node it sees only itself in a cluster but the real cluster has it still listed as offline so I can't use pvecm delnode to remove it...

I have a rather strange question, and a nice use case. Cluster of 3 nodes on PVE 6.4-13, being moved offsite but not together. CONTEXT: Because of reasons, they cannot move all three nodes at once, so instead they will move first only one (A), then the other two(B&C). Adding on top of this...