On 12/05, ManuParra wrote:
Thanks, I have restarted the service and I see that after a few minutes then cinder-volume service goes down again when I check it with the command openstack volume service list.
The host/service that contains the cinder-volumes is rbd:volumes@ceph-rbd that is RDB in Ceph, so the problem does not come from Cinder, rather from Ceph or from the RDB (Ceph) pools that stores the volumes. I have checked Ceph and the status of everything is correct, no errors or warnings.
The error I have is that cinder can’t connect to rbd:volumes@ceph-rbd. Any further suggestions? Thanks in advance.
Kind regards.
Hi,
You are most likely using an older release, have a high number of cinder
RBD volumes, and have not changed configuration option
"rbd_exclusive_cinder_pool" from its default "false" value.
Please add to your driver's section in cinder.conf the following:
rbd_exclusive_cinder_pool = true
And restart the service.
Cheers,
Gorka.
On 11 May 2021, at 22:30, Eugen Block <eblock@nde.ag> wrote:
Hi,
so restart the volume service;-)
systemctl restart openstack-cinder-volume.service
Zitat von ManuParra <mparra@iaa.es>:
Dear OpenStack community,
I have encountered a problem a few days ago and that is that when creating new volumes with:
"openstack volume create --size 20 testmv"
the volume creation status shows an error. If I go to the error log detail it indicates:
"Schedule allocate volume: Could not find any available weighted backend".
Indeed then I go to the cinder log and it indicates:
"volume service is down - host: rbd:volumes@ceph-rbd”.
I check with:
"openstack volume service list” in which state are the services and I see that indeed this happens:
| cinder-volume | rbd:volumes@ceph-rbd | nova | enabled | down | 2021-04-29T09:48:42.000000 |
And stopped since 2021-04-29 !
I have checked Ceph (monitors,managers, osds. etc) and there are no problems with the Ceph BackEnd, everything is apparently working.
This happened after an uncontrolled outage.So my question is how do I restart only cinder-volumes (I also have cinder-backup, cinder-scheduler but they are ok).
Thank you very much in advance. Regards.