Open Stack

On 4/27/21 6:51 AM, Tecnologia Charne.Net wrote:
> 
> Hello!
> 
> I'm working with Openstack Wallaby (1 controller, 2 compute nodes) 
> connected to Ceph Pacific cluster in a devel environment.
> 
> With Openstack Victoria and Ceph Pacific (before last friday update) 
> everything was running like a charm.
> 
> Then, I upgraded Openstack to Wallaby and Ceph  to version 16.2.1. 
> (Because of auth_allow_insecure_global_id_reclaim I had to upgrade many 
> clients... but that's another story...)
> 
> After upgrade, when I try to create a volume from image,
> 
>       openstack volume create --image 
> f1df058d-be99-4401-82d9-4af9410744bc debian10_volume1 --size 5
> 
> with "show_image_direct_url = True", I get "No valid backend" in 
> /var/log/cinder/cinder-scheduler.log
> 
> 2021-04-26 20:35:24.957 41348 ERROR cinder.scheduler.flows.create_volume 
> [req-651937e5-148f-409c-8296-33f200892e48 
> c048e887df994f9cb978554008556546 f02ae99c34cf44fd8ab3b1fd1b3be964 - - -] 
> Failed to run task 
> cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: 
> No valid backend was found. Exceeded max scheduling attempts 3 for 
> resource 56fbb645-2c34-477d-9a59-beec78f4fd3f: 
> cinder.exception.NoValidBackend: No valid backend was found. Exceeded 
> max scheduling attempts 3 for resource 56fbb645-2c34-477d-9a59-beec78f4fd3f
> 
> and
> 
> 2021-04-26 20:35:24.968 41347 ERROR oslo_messaging.rpc.server 
> [req-651937e5-148f-409c-8296-33f200892e48 
> c048e887df994f9cb978554008556546 f02ae99c34cf44fd8ab3b1fd
> 1b3be964 - - -] Exception during message handling: rbd.InvalidArgument: 
> [errno 22] RBD invalid argument (error creating clone)
> 
> in /var/log/cinder/cinder-volume.log
> 
> 
> If I disable "show_image_direct_url = False", volume creation from image 
> works fine.
> 
> 
> I have spent the last four days googling and reading lots of docs, old 
> and new ones, unlucly...
> 
> Does anybody have a clue, (please)?
> 
> Thanks in advance!
> 
> 
> Javier.-
> 


Hi,

Some fixes are still in progress for Ceph Pacific support in Cinder.

These WIP patches are targeting this problem:

https://review.opendev.org/c/openstack/cinder/+/786260
https://review.opendev.org/c/openstack/cinder/+/786266

Thanks,
Eric