[Openstack] Why am I getting 2 IP's assigned to every instance?

Sterdnot Shaken sterdnotshaken at gmail.com
Fri Mar 31 23:43:52 UTC 2017


Hey Mikhail!

That's exactly what was happening to us. Thank you very much for the super
useful help!!

Steve

On Fri, Mar 31, 2017 at 7:09 AM, Mikhail Medvedev <mihailmed at gmail.com>
wrote:

> On Thu, Mar 30, 2017 at 4:04 PM, Sterdnot Shaken
> <sterdnotshaken at gmail.com> wrote:
> > Openstack version: Mitaka
> > Number of external bridges: 1
> >
> > Whenever I spawn a new cirros image, I'm get 2 ip's out of the same ip
> block
> > assigned to each instance.
> >
> > Anyone know why?
>
> I saw this happen on Mitaka cloud when an instance was rescheduled to
> a different compute node. E.g. initial scheduling puts it on compute1,
> it fails to boot there for some reason, and is being rescheduled to a
> compute2. It already has a port assigned from first attempt, and gets
> second port attached on reschedule, leaking the first port ip.
>
> To confirm if this is also what's happening in your case you can check
> nova scheduler log on your controller.
>
> >
> > Thanks!
> >
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> >
>
> ---
> Mikhail Medvedev (mmedvede)
> IBM
>
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