<div dir="ltr">Did you use tcpdump to see where the pings stop?</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 7, 2016 at 1:36 PM, Mathieu Gagné <span dir="ltr"><<a href="mailto:mgagne@internap.com" target="_blank">mgagne@internap.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On 2016-01-07 3:28 PM, Adam Dibiase wrote:<br>
> Greetings,<br>
><br>
> I am having connectivity issues to instances after live migrating<br>
> between compute nodes. Scenario is as follows:<br>
><br>
</span>> * Start pinging instance IP<br>
> * Send nova live-migration <instancename> <computenode><br>
> * Once nova reports the pause/resume on the new compute node after<br>
> migration, ping replies stop<br>
> * Instance migrates successfully and I can hit it via VNC console, but<br>
> no network connectivity<br>
> * If I live migrate it back to losing compute node, it will still NOT<br>
> restore network connectivity<br>
> * The only way to restore network is to nova stop/start or nova reboot<br>
> instance<br>
> * When the instance comes back up, I am able to hit it again on the<br>
<span class="">> new compute node<br>
><br>
> I have checked to see if the neutron port is showing the new<br>
> binding:host_id, ovs shows the correct port for instance on new compute<br>
> node, and no other errors present in the logs.<br>
><br>
> I am running Liberty with cinder FYI. Anyone else having similar issues?<br>
><br>
<br>
</span>Have you tried starting another instance on the same L2 network and ping<br>
from there once it's migrated? This is to make sure it's not an issue<br>
with ARP caching on a device between you and the instance.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Mathieu<br>
<br>
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</font></span></blockquote></div><br></div>