On Wed, Jan 24, 2024 at 8:52 PM Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>
> On Wed, Jan 24, 2024 at 7:31 PM Eugen Block <eblock@xxxxxx> wrote:
> >
> > We do like the separation of nova pools as well, and we also heavily
> > use ephemeral disks instead of boot-from-volume instances. One of the
> > reasons being that you can't detach a root volume from an instances.
> > It helps in specific maintenance cases, so +1 for keeping it in the
> > docs.
>
> So it seems like instead of dropping mentions of vms pool, we should
> expand "Configuring Nova" section where it says
>
> In order to boot virtual machines directly from Ceph volumes, you
> must configure the ephemeral backend for Nova.
>
> with appropriate steps and /etc/nova/nova.conf snippet. I'm guessing
>
> images_type = rbd
> images_rbd_pool = vms
> images_rbd_ceph_conf = /etc/ceph/ceph.conf
>
> at a minimum?
>
> Zitat or Eugen, do you want to suggest a precise edit based on your
Apologies, autocomplete fail... I meant Erik or Eugen of course.
Ilya
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