[PVE-User] Cluster disaster

[Dhaussy Alexandre]

> you lost quorum, and the watchdog expired - that is how the watchdog
> based fencing works.

I don't expect to loose quorum when _one_ node joins or leave the cluster.

Nov  8 10:38:58 proxmoxt20 pmxcfs[22537]: [status] notice: update cluster info (cluster name  pxmcluster, version = 14)
Nov  8 10:39:01 proxmoxt20 corosync[22577]:  [TOTEM ] A new membership (10.98.187.11:684) was formed. Members joined: 13
Nov  8 10:39:01 proxmoxt20 corosync[22577]:  [QUORUM] Members[13]: 9 10 11 13 4 12 3 1 2 5 6 7 8
Nov  8 10:39:59 proxmoxt20 watchdog-mux[23964]: client watchdog expired - disable watchdog updates

Nov  8 10:39:01 proxmoxt35 corosync[35250]:  [TOTEM ] A new membership (10.98.187.11:684) was formed. Members joined: 13
Nov  8 10:39:01 proxmoxt35 corosync[35250]:  [QUORUM] Members[13]: 9 10 11 13 4 12 3 1 2 5 6 7 8
Nov  8 10:39:58 proxmoxt35 watchdog-mux[28239]: client watchdog expired - disable watchdog updates