Hi Lior,

If I'm not mistaken, on Luf's topology, there is no switch on the
management bond (bond0) - just a cross or regular eth cable connecting
physical interfaces on both nodes. So when one node is powered down, there
is no link detected on the other node.

Regards,

On Mon, Nov 17, 2014 at 12:02 PM, Lior Vernia <lver...@redhat.com> wrote:

> Hi Luf,
>
> Apologies, I probably don't understand the details of your L2 toplogy;
> how come when you turn off one host it affects the link state of of the
> other one's interfaces?...
>
> Yours, Lior.
>
> On 14/11/14 11:43, Finstrle, Ludek wrote:
> >
> > Hi,
> >
> > I have 2-node ovirt "cluster". Both machines has 4 interfaces.
> > 2 interfaces in bond1 for data
> > 2 interfaces in bond0 for management (short connected directly between
> > servers)
> >
> > switch0 -----\ /-----\ /----- switch0
> > node1 node2
> > switch1 -----/ \-----/ \----- switch1
> >
> > I setup everything as I want/expect but I hit one problem and I don't
> > know how to fix it. The problem is when I switch off one of the machines
> > for maintenance (node01.ovirt in this case). I get in ovirt engine this
> > message:
> >
> > Host node02.ovirt moved to Non-Operational state because interfaces
> > which are down are needed by required networks in the current cluster:
> > 'bond0 (ovirtmgmt)'.
> >
> > Do you have any idea how to avoid it? I can't change physical
> > architecture as I don't have 10Gb switch.
> >
> > BTW it's the same as if I want to start with only 1 node and separated
> > data and mgmt networks:
> >
> > switch ----- host --(not connected iface for mgmt as I don't need it)
> >
> > Thanks,
> >
> > Luf
> >
> >
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-- 
Ekin Meroğlu *Red Hat Certified Datacenter Specialist*
*linuxera* Özgür Yazılım Çözüm ve Hizmetleri
*T* +90 (850) 22 LINUX *GSM* +90 (532) 137 77 04
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