[PVE-User] Best practice for quorum device between data centers?

John Thomas john at john-thomas.com
Thu Feb 27 22:03:56 CET 2020


Maybe have a tiny PVE at a third location (call it PVE-quorum)?  That way,
if one data center goes off line, you have the solution you need, the "up"
data center still having a quorum.

JT



On Thu, Feb 27, 2020 at 12:05 PM Alexandre DERUMIER <aderumier at odiso.com>
wrote:

> Well you could use a virtual quorum vm, but
>
>
> dc1: 4 nodes + vm ha   dc2: 4nodes
>
> you loose dc1 -> you loose quorum on dc2, so you can't start vm on dc2.
> so it's not helping.
>
> you really don't want to use HA here. but you can still play with "pvecm
> expected" to get back the quorum
> if 1 dc is down.  (and maybe do dc1: 5 nodes  - dc2: 4 nodes, to avoid
> loose quorum on both side)
>
>
> (also I don't known what is your storage ? )
>
>
> ----- Mail original -----
> De: "Thomas Naumann" <tom at chajuti.de>
> À: "proxmoxve" <pve-user at pve.proxmox.com>
> Envoyé: Jeudi 27 Février 2020 20:29:45
> Objet: Re: [PVE-User] Best practice for quorum device between data centers?
>
> hi alex,
>
> thanks for your response...
> that was our first idea too, but i don´t like it...
> what about the idea of a virtual quorum device (VM) inside the cluster?
> in worst case scenario (all physical connections between data centers
> are broken) where will be manual choise to start virtual quorum on this
> or that side of the cluster. Has anyone experience about this?
>
> regards,
> thomas
> On 2/27/20 6:49 PM, Alex Chekholko via pve-user wrote:
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