<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">Hi Lior,</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">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. </div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">Regards,</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Nov 17, 2014 at 12:02 PM, Lior Vernia <span dir="ltr"><<a href="mailto:lvernia@redhat.com" target="_blank">lvernia@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Luf,<br>
<br>
Apologies, I probably don't understand the details of your L2 toplogy;<br>
how come when you turn off one host it affects the link state of of the<br>
other one's interfaces?...<br>
<br>
Yours, Lior.<br>
<div class="HOEnZb"><div class="h5"><br>
On 14/11/14 11:43, Finstrle, Ludek wrote:<br>
><br>
> Hi,<br>
><br>
> I have 2-node ovirt "cluster". Both machines has 4 interfaces.<br>
> 2 interfaces in bond1 for data<br>
> 2 interfaces in bond0 for management (short connected directly between<br>
> servers)<br>
><br>
> switch0 -----\ /-----\ /----- switch0<br>
> node1 node2<br>
> switch1 -----/ \-----/ \----- switch1<br>
><br>
> I setup everything as I want/expect but I hit one problem and I don't<br>
> know how to fix it. The problem is when I switch off one of the machines<br>
> for maintenance (node01.ovirt in this case). I get in ovirt engine this<br>
> message:<br>
><br>
> Host node02.ovirt moved to Non-Operational state because interfaces<br>
> which are down are needed by required networks in the current cluster:<br>
> 'bond0 (ovirtmgmt)'.<br>
><br>
> Do you have any idea how to avoid it? I can't change physical<br>
> architecture as I don't have 10Gb switch.<br>
><br>
> BTW it's the same as if I want to start with only 1 node and separated<br>
> data and mgmt networks:<br>
><br>
> switch ----- host --(not connected iface for mgmt as I don't need it)<br>
><br>
> Thanks,<br>
><br>
> Luf<br>
><br>
><br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font><font face="tahoma, sans-serif">Ekin Meroğlu </font><font face="tahoma, sans-serif"><i>Red Hat Certified Datacenter Specialist</i><br><b>linuxera</b> Özgür Yazılım Çözüm ve Hizmetleri<br><b>T</b> +90 (850) 22 LINUX <b>GSM</b> +90 (532) 137 77 04</font></font></div></div>
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