[ovirt-users] Re: OVN and impact of missing connectivity with OVN Provider/Central
Hi Gianluca,
I really don't think it should.
I've re-created that scenario - I didn't go as far as to stop the
engine, but stopped *all* of the ovn stuff running on it - and despite
that, the flows on the host were unaffected, and traffic kept flowing.
Could you provide the output of 'ovs-ofctl dump-flows br-int' *before*
and *after* engine is shutdown ?
Also outputs to 'ovs-vsctl show' and 'ovs-ofctl show br-int' . Also
before and after engine-shutdown.
All of the above on the host where the VMs are running.
Another question; is the OVN network you created an overlay, or is it
attached to a physical network?
Regards,
Miguel
On Tue, Sep 4, 2018 at 3:15 PM, Gianluca Cecchi
<gianluca.cecchi(a)gmail.com> wrote:
> Hello,
> I have VM1 and VM2 with their vnics on OVN.
> They are running on the same host.
> Suppose this host (and so its OVN Controller) looses connectivity with the
> OVN Provider (that in my case runs on oVirt engine, that is an external
> server).
> Is it correct/expected that VM1 looses connectivity with VM2 until fixed?
>
> So, in other words, is the OVN Provider a sort of single point of failure
> (eg if I restart enigine in my case)?
>
> Thanks,
> Gianluca
>
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