On Wed, Jan 24, 2024 at 8:52 PM Ilya Dryomov <idryomov@gmail.com> wrote:
On Wed, Jan 24, 2024 at 7:31 PM Eugen Block <eblock@nde.ag> 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