[PVE-User] I lost the cluster communication in a 10 nodes cluster

[Thomas Lamprecht]

On 10/12/18 6:57 PM, Denis Morejon wrote:
> The 10 nodes lost the communication with each other. And they were working fine for a month. They all have version 5.1.
> 

any environment changes? E.g., switch change or software update
(which then could block multicast)?

Can you also see if the omping test go still through:
https://pve.proxmox.com/pve-docs/chapter-pvecm.html#_cluster_network

> 
> All nodes have the same date/time and show a status like this:
> 
> root at proxmox11:~# pvecm status
> 
> Quorum information
> ------------------
> Date:             Fri Oct 12 11:55:59 2018
> Quorum provider:  corosync_votequorum
> Nodes:            1
> Node ID:          0x00000007
> Ring ID:          7/60372
> Quorate:          No
> 
> Votequorum information
> ----------------------
> Expected votes:   10
> Highest expected: 10
> Total votes:      1
> Quorum:           6 Activity blocked
> Flags:
> 
> Membership information
> ----------------------
>     Nodeid      Votes Name
> 0x00000007          1 192.168.80.11 (local)
> 
>