[PVE-User] Is there a way to permit to start up VMs when no quorum?

Ivan Dimitrov hipantcii at gmail.com
Tue Jan 8 00:49:49 CET 2019


Actually there is a way to do this with a bit tinkering. The first way is
described in proxmox documentation. Read this chapter for details:

In my home setup I have two node cluster and one of the nodes is my main
server and the second one is for testing and very often not running. I do
not sync machines machines between the nodes and I am careful with the VM
IDs. In order to make it work I have raised the expected votes to 3 and
given 2 votes to the main server. With such configuration the main node
which is 24/7 will always start and run normally.

root at hyper-convergence:~# pvecm status
Quorum information
Date:             Tue Jan  8 00:47:06 2019
Quorum provider:  corosync_votequorum
Nodes:            1
Node ID:          0x00000001
Ring ID:          1/43248
Quorate:          Yes

Votequorum information
Expected votes:   3
Highest expected: 3
Total votes:      2
Quorum:           2
Flags:            Quorate

Membership information
    Nodeid      Votes Name
0x00000001          2 (local)

P.S. Keep in mind this is homelab. I wouldn't recommend this for anything
but testing and/or tinkering at home.

With Best Regards,
Ivan Dimitrov

On Mon, 7 Jan 2019 at 19:23, Dietmar Maurer <dietmar at proxmox.com> wrote:

> > I don't know the idea behind keeping a VM from starting up when no
> > quorum. It has been maybe, since my point of view, the worst of managing
> > Proxmox cluster, because the stability of services (VM up and running)
> > had to be first (before the sync of information, for instance).
> >
> > Is there a way to bypass this and permit to start up a VM even on no
> quorum?
> No. This is required to avoid split brain ...
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