Tuesday, 2024-03-26

opendevreviewXuQi proposed openstack/cinder master: Fujitsu Driver: Support manage volume and snapshot  https://review.opendev.org/c/openstack/cinder/+/91321701:42
opendevreviewMerged openstack/cinder stable/2024.1: Dell PowerMax: Fix SnapVx unlink failure  https://review.opendev.org/c/openstack/cinder/+/91400506:02
opendevreviewMerged openstack/cinder stable/2024.1: HPE 3par: Unable to create clone of replicated vol  https://review.opendev.org/c/openstack/cinder/+/91381606:02
hkominosMorning all! I have a dev question regarding Cinder. what is an appropriate value for backend_native_threads_pool_size in an rbd backend? the manuel specifies to "increase" it but with other guidelines. 08:30
opendevreviewCuiye Liu proposed openstack/cinder master: PowerMax: Allow live migration without pool name  https://review.opendev.org/c/openstack/cinder/+/89818809:08
opendevreviewJean Pierre Roquesalane proposed openstack/cinder stable/zed: Dell PowerFlex: Additionnal params for enabling self signed certificates  https://review.opendev.org/c/openstack/cinder/+/88049212:44
amoralejhi, I proposed a new release for cinder in antelope some days ago in https://review.opendev.org/c/openstack/releases/+/913621 , may i get PTL approval when you have a chance?14:14
opendevreviewMerged openstack/cinder stable/2023.1: Dell PowerFlex: Additionnal params for enabling self signed certificates  https://review.opendev.org/c/openstack/cinder/+/90925114:24
opendevreviewEric Harney proposed openstack/cinder master: Mark nexenta_encryption option as deprecated  https://review.opendev.org/c/openstack/cinder/+/90900014:34
hemnamorning14:48
hemnaso I'm not sure if anyone has run into this or not, but if I try to create 10 clones in a short period of time, those clones are serialized14:50
hemnabecause of a delete volume lock in place in the volume manager here:  https://github.com/openstack/cinder/blob/master/cinder/volume/manager.py#L80114:51
hemnaI have a customer that wants to create 60 volumes "quickly" and they are all getting serialized because of that lock14:51
hemnawe shouldn't allow a volume to get deleted, while the clone operation is ongoing, but it also prevents more than 1 clone on the same volume from happening at the same time. :(14:52
rosmaitathat is going to be really tricky to fix14:58
hemnayah I'm trying to figure out a way...it's a major suck15:00
hemnathe purpose of the lock is to prevent deletes, not parallel clones :(15:01
hemnaif the locking key would accept a wildcard, then I could fix it15:02
hemnalock on delete volume with a key of <volume-id>-delete_volume-*15:02
hemnaand the clone operation create a lock with <volume-id>-delete_volume-<timestamp>15:02
hemnadoesn't look like it supports wildcards15:36
hemnathis is....sucky to say the least15:36
hemnaprobably the only solution is to change the status of the source volume-id to block it from being deleted.16:00
hemnaworkers table is garbage basically.   have non-deleted entries in there from 201816:01
hemnajunk16:01
hemnais gorka not working on cinder anymore?  available ?16:03
rosmaitahe's on holiday16:15
hemnaok sounds about right for Europe :)16:16
hkominosMorning all! I have a dev question mostly regarding Cinder. what is an appropriate value for backend_native_threads_pool_size in an rbd backend? the manual specifies to "increase" it but with other guidelines. 17:23

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