[Rdo-list] VM instance will not start

brian lee brian at brianlee.org
Fri Jul 24 19:18:48 UTC 2015


Could I use the nova commands to remove the network, then add it again?
i.e. nova network-delete <ID>; nova network-add <options>


--Brian

On Fri, Jul 24, 2015 at 1:20 PM, Brent Eagles <beagles at redhat.com> wrote:

> Hi,
>
> On Fri, Jul 24, 2015 at 12:59:01PM -0500, brian lee wrote:
> > Thanks for the follow up. I think I am getting it. When you say multi
> host,
> > you are refereing to the setting in nova.conf multi_host, correct?
> >
> > If I want the traffic to be routed through the controller, I should set
> > that to false, and not install the nova-network on the compute hosts.
> >
> > --Brian
>
> Yes, that's right. An additional caveat: any networks that have already
> been created have a field in the database that indicates that it is for
> multi-host and IIRC won't work any more. You can try logging into the
> database and tweaking the appropriate field to N (or whatever
> constitutes false in that case). Alternatively, you have to redeploy.
> Yeah.. changing network configs in nova-network can be a pain.
>
> Cheers,
>
> Brent
>
>
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