[ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

[Artem Tambovskiy]

Good point! Need to focus on this first

Thanks,
Artem

On Fri, Nov 3, 2017 at 10:50 AM, Karli Sjöberg <karli at inparadise.se> wrote:

> On fre, 2017-11-03 at 10:39 +0300, Artem Tambovskiy wrote:
> > Thanks Eduardo!
> >
> > I think I can find a third server to build a glusterFS storage. So
> > the first step will be to install a self-hosted engine on the new
> > server and start building a glusterFS storage.
>
> You´ll need to build the Gluster storage first, as you´ll want to
> install the Hosted Engine _in_ the HA Gluster storage, right?
>
> /K
>
> > IS there any easy way to migrate existing 5 VM's running on the
> > second bare-metal oVirt host, right? I found a little bit tricky
> > moving oVirt backups between the hosts (at least I failed to
> > replicate the existing VM's on the second server).
> >
> > Regards,
> > Artem
> >
> >
> >
> > On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral <emayoral at arsys.es>
> > wrote:
> > > For HA you will need some kind of storage available to all the
> > > compute nodes in the cluster. If you have no external storage and
> > > few nodes, I think your best option for storage is gluster , and
> > > the minimum number of nodes you will need for HA is 3 (the third
> > > gluster node can be metadata-only, but you still need that third
> > > node to give you quorum, avoid split-brains and have something that
> > > you can call "HA" with a straight face.
> > > Eduardo Mayoral Jimeno (emayoral at arsys.es)
> > > Administrador de sistemas. Departamento de Plataformas. Arsys
> > > internet.
> > > +34 941 620 145 ext. 5153
> > > On 03/11/17 08:10, Artem Tambovskiy wrote:
> > > > Looking for a design advise on oVirt provisioning. I'm running a
> > > > PoC lab on single bare-metal host (suddenly it was setup with
> > > > just Local Storage domain) and
> > > > no I'd like to rebuild the setup by making a cluster of 2
> > > > physical servers, no external storage array available. That are
> > > > the options here? is there any options to build cheap HA cluster
> > > > with just 2 servers?
> > > >
> > > > Thanks in advance!
> > > >
> > > > Artem
> > > >
> > > >
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