[PVE-User] cluster node issue after upgrade (1.3 -> 1.5)

[Dietmar Maurer]

> I removed the "faulty" node from the cluster and then another node got
> the issue:
> 
> "ERROR: 500 Server closed connection without sending any data back"

Yes, because you removed the node. restarting the tunnel and mirror daemon
on all nodes should solve that issue.

> 
> I removed the two faulty nodes from the cluster and then added them
> again (after removing authorized_keys, known_hosts...) but there is
> always one of these two nodes having this issue.
> 
> Do I have to reinstall this node (it only contains one virtual machine
> so it should be easy) ?

It is hard to tell because I do not know what is wrong. 
But it is worth a try.

- Dietmar