On Wed, Apr 4, 2018 at 12:39 AM, Tom <tk(a)mdevsys.com> wrote:
Sent from my iPhone
On Apr 3, 2018, at 9:32 AM, Yaniv Kaul <ykaul(a)redhat.com> wrote:
On Tue, Apr 3, 2018 at 3:12 PM, TomK <tomkcpr(a)mdevsys.com> wrote:
> Hey Guy's,
>
> If I'm looking to setup the oVirt engine in an HA configuration off the
> physical servers hosting my VM's (non self hosted), what are my options
> here?
>
> I want to setup two to four active oVirt engine instances elsewhere and
> handle the HA via something like haproxy / keepalived to keep the entire
> experience seamless to the user.
>
You will need to set up the oVirt engine service as well as the PG
database (and ovirt-engine-dwhd service and any other service we run next
to the engine) as highly available module.
In pacemaker[1], for example.
You'll need to ensure configuration is also sync'ed between nodes, etc.
Y.
So already have one ovirt engine setup separately on a vm that manages two
remote physical hosts. So familiar with the single host approach which I
would simply replicate. At least that’s the idea anyway. Could you please
expand a bit on the highly available module and syncing the config between
hosts?
That's a different strategy, which is also legit - you treat this VM as a
highly available resource. Now you do not need to sync the config - just
the VM disk and config.
Perhaps something like
https://www.unixarena.com/2015/12/rhel-7-pacemaker-configuring-ha-kvm-gue...
.
But if you are already doing that, I'm not sure why you'd prefer this over
hosted-engine setup.
Y.
Cheers,
Tom
[1]
https://clusterlabs.org/quickstart-redhat.html
>
> From what I've seen in oVirt, that seems to be possible without the two
> oVirt engines even knowing each other's existence but is it something
> anyone has ever done? Any recommendations in this case?
>
> Having settings replicated would be a bonus but I would be comfortable if
> they weren't and I handle that myself.
>
> --
> Cheers,
> Tom K.
> ------------------------------------------------------------
> -------------------------
>
> Living on earth is expensive, but it includes a free trip around the sun.
>
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