Open Stack

BUG reported: https://bugs.launchpad.net/neutron/+bug/1689880

On 10 May 2017 at 10:49, Martinx - ジェームズ <thiagocmartinsc at gmail.com> wrote:

> Hello,
>
>  I'm playing with Networking OVN, and planning to deploy it into
> production in a couple weeks.
>
>  After deploying everything and starting using OVN, with Floating IPs,
> multiple compute nodes and everything else, I can say that it looks
> awesome! Way better than "neutron-*-agents".
>
>  However, I noted that after running:
>
> ---
>  systemctl restart neutron-server
> ---
>
>  Literally ALL my stacks, on all projects, becomes unreachable!!!
>
>  After double checking everything, I did one single change in my
> ml2_conf.ini, from:
>
> ---
> neutron_sync_mode = repair
> ---
>
>  To:
>
> ---
> # neutron_sync_mode = off
> ---
>
>  Then, problem solved!
>
>  Now, I can restart the neutron-server without any problems!
>
>  Deep inside me, I'm freaking out with this... Because this whole OVN
> solution looks very, very delicate. I mean, what to do if this happens
> again?
>
>  Ask ALL my customers to rebuild their stacks?!
>
>  How to REALLY repair OVN?
>
>  Now that the problem is solved, I'll keep trying to use and stress test
> it even more but, I'm losing confidence on Networking OVN on its current
> state.
>
>  I'm using Ubuntu 16.04 with Kernel 4.8 (HWE), plus Ocata from Cloud
> Archive.
>
> Cheers!
> Thiago
>
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