Open Stack

On 12/05, ManuParra wrote:
> Hi, we have faced some problems when creating volumes to add to VMs,  to see what was happening I activated the Debug=True mode of Cinder in the cinder.conf file.
> I see that when I try to create a new volume I get the following in the log:
>
> "DEBUG cinder.volume.drivers.rbd connecting to (conf=/etc/ceph/ceph.conf, timeout=-1) _do_conn /usr/lib/python3.6/site-packages/cinder/volume/drivers/rbd.py:431”
>
> I’m using OpenStack Train and Ceph Octopus.
> When I check with openstack volume service list
>
> +------------------+----------------------+------+---------+-------+----------------------------+
> | Binary           | Host                 | Zone | Status  | State | Updated At                 |
> +------------------+----------------------+------+---------+-------+----------------------------+
> | cinder-scheduler | spsrc-controller-1      | nova | enabled | up    | 2021-05-11T10:06:39.000000 |
> | cinder-scheduler | spsrc-controller-2      | nova | enabled | up    | 2021-05-11T10:06:47.000000 |
> | cinder-scheduler | spsrc-controller-3      | nova | enabled | up    | 2021-05-11T10:06:39.000000 |
> | cinder-volume    | rbd:volumes at ceph-rbd | nova | enabled | down  | 2021-04-11T10:48:42.000000 |
> | cinder-backup    | spsrc-mon-2                      | nova | enabled | up    | 2021-05-11T10:06:47.000000 |
> | cinder-backup    | spsrc-mon-1                      | nova | enabled | up    | 2021-05-11T10:06:44.000000 |
> | cinder-backup    | spsrc-mon-3                      | nova | enabled | up    | 2021-05-11T10:06:47.000000 |
> +------------------+----------------------+------+---------+-------+——————————————+
>
> So cinder-volume is Down,
>
> I compare "cinder-backup" Ceph config with "cinder-volume", and they are equal! so why only one of them works?
> diff /etc/kolla/cinder-backup/ceph.conf /etc/kolla/cinder-volume/ceph.conf
>
> I go inside the "cinder_volume" container
> docker exec -it cinder_volume /bin/bash
>
> Try listing cinder volumes, works!
> rbd -p cinder.volumes --id cinder -k /etc/ceph/ceph.client.cinder.keyring ls
>
> Any Ideas. Kind regards.

Hi,

Cinder volume could be down because the stats polling is taking too
long.

If that's the case, then you can set:

 rbd_exclusive_cinder_pool = true

in your driver's section in cinder.conf to fix it.

Cheers,
Gorka.