[PVE-User] Removing dead node

[Dietmar Maurer]

> I made a mistake when creating a new node and I ended up adding it to a 
> cluster. Unfortunately, I will have to reinstlal Proxmox on that node. 
> Am I correct in understanding that a deleted node can never be added 
> back to a cluster? For example, let's say that the node was named 
> proxmox3.potato.com, it means that if I delete that node from the 
> cluster and reinstall the server, I have to use a different hostname 
> (proxmox4.potato.com) for the "new" node? 

No, you can use the same name an IP. The important part here is that
you re-install the server. Just use the --force flag when you re-add 
the new node.