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#openstack-nova - 2020-09-17
20:02:23 openstackgerrit Lee Yarwood proposed openstack/nova master: zuul: Replace nova-live-migration with zuulv3 jobs https://review.opendev.org/752557
20:04:54 openstackgerrit Lee Yarwood proposed openstack/nova master: zuul: Introduce nova-evacuate https://review.opendev.org/744883
20:04:54 openstackgerrit Lee Yarwood proposed openstack/nova master: zuul: Replace nova-live-migration with zuulv3 jobs https://review.opendev.org/752557
20:24:37 openstackgerrit Lee Yarwood proposed openstack/nova master: fakelibvirt: Use versionutils to set min versions found in the driver https://review.opendev.org/749707
20:24:38 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Bump MIN_{LIBVIRT,QEMU}_VERSION and NEXT_MIN_{LIBVIRT,QEMU}_VERSION https://review.opendev.org/746981
20:24:39 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Remove MIN_LIBVIRT_FILE_BACKED_DISCARD_VERSION https://review.opendev.org/746982
20:24:39 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Remove MIN_{LIBVIRT,QEMU}_NATIVE_TLS_VERSION https://review.opendev.org/746983
20:24:39 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Remove MIN_LIBVIRT_BETTER_SIGKILL_HANDLING https://review.opendev.org/746984
20:24:40 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Remove MIN_LIBVIRT_VIDEO_MODEL_VERSIONS https://review.opendev.org/746985
20:24:40 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Remove MIN_{LIBVIRT,QEMU}_PMEM_SUPPORT https://review.opendev.org/746986
20:28:15 openstackgerrit Lee Yarwood proposed openstack/nova stable/queens: libvirt: Provide VIR_MIGRATE_PARAM_PERSIST_XML during live migration https://review.opendev.org/747976
20:56:16 openstackgerrit Merged openstack/nova stable/ussuri: Move confirm resize under semaphore https://review.opendev.org/751353
22:55:45 gregwork is it possible to adjust the weight of vcpu qupotas in nova
22:56:21 gregwork like lets say i have a flavor that has the extra spec of cpushares 256 and is part of a cpu pinset of 4 cores
22:56:45 gregwork this would be a very limited amount of cpu time an instance could occupy during contention
23:35:30 openstackgerrit Merged openstack/nova stable/train: libvirt:driver:Disallow AIO=native when 'O_DIRECT' is not available https://review.opendev.org/747610
#openstack-nova - 2020-09-18
00:00:29 openstackgerrit Jeremy Stanley proposed openstack/nova master: DNM: Testing PDF builds https://review.opendev.org/752585
00:34:04 openstackgerrit Ghanshyam Mann proposed openstack/nova master: DNM: Testing PDF builds https://review.opendev.org/752585
07:51:22 bauzas good Friday Nova
08:04:25 lyarwood Morning \o
08:05:18 lyarwood sean-k-mooney / bauzas / stephenfin / gibi ; so some good news, the libvirt version bump https://review.opendev.org/#/c/746981/ works with the train UCA https://review.opendev.org/#/c/747123/
08:05:31 lyarwood the only issue remaining appears to be with how the grenade jobs are deployed
08:06:04 lyarwood oh they are, weird
08:09:50 lyarwood ah right I need to backport this to stable/ussuri
08:10:18 lyarwood fun chicken and egg problem here
08:11:15 kashyap lyarwood: Mornin, I still haven't gotten to the Focal thing; was beset with a worser storm downstream, if you know what I mean :D
08:12:54 lyarwood np
08:14:21 nightmare_unreal Hello is there a glance dedicated channel ?
08:14:50 nightmare_unreal nvm found it
08:19:09 gibi lyarwood: what exactly need to be backported to ussir?
08:19:13 gibi ussuri
08:21:16 lyarwood gibi: https://review.opendev.org/#/c/752641/ I believe, do devstack uses the train UCA when deplying the stable/ussuri env during a grenade run
08:21:37 lyarwood that or I could hack enabling the UCA into grenade on master somehow
08:22:04 lyarwood so* devstack sorry
08:22:28 gibi hm so in ussuri the train UCA has newer libvirt than the default packages?
08:24:00 lyarwood yes correct
08:24:39 lyarwood the train UCA has the new MIN_{LIBVIRT,QEMU}_VERSIONs we are looking to set in the current bump on master
08:24:59 lyarwood as well
08:26:24 gibi this means that we now change what libvirt version we use for testing the upgrade from ussuri
08:36:22 lyarwood gibi: we would also change the version of libvirt installed when testing stable/ussuri as a whole
08:36:39 lyarwood gibi: but tbh I don't think anyone is actually using the default versions installed in bionic
08:38:59 bauzas sorry I was focusing on some downstream bugs
08:39:03 bauzas a tl:dr: please ?
08:40:47 lyarwood bauzas: sean-k-mooney suggested that we use the Train UCA in Victoria so we can land the libvirt version bump *without* hitting the QEMU issue found in focal and the Ussuri UCA.
08:41:17 bauzas lyarwood: for all jobs ?
08:41:17 lyarwood bauzas: This mostly works but we need to also use the Train UCA on stable/ussuri to allow grenade jobs on master to pass
08:41:26 lyarwood bauzas: yes for all jobs
08:41:35 bauzas lyarwood: so it would be a Focal + train UCA for all jobs, right?
08:41:50 lyarwood bauzas: no just bionic
08:41:58 lyarwood bauzas: this doesn't change the focal situation
08:42:10 lyarwood bauzas: it just means we can land the libvirt version bump ahead of the focal change
08:42:33 lyarwood bauzas: so we don't end up landing the version bump after rc
08:42:35 bauzas lyarwood: I raised a concern yesterday about us bumping minimums so close to RC1
08:42:50 bauzas but I heard people wanting us to bump
08:43:01 lyarwood bauzas: we don't have a choice if the TC are pushing us to move to focal
08:43:20 bauzas well, TC aren't operators
08:43:25 bauzas some of them are
08:43:48 bauzas but I don't want us to hold all our gate so close to RC1 because we found some bugs unexpectedly
08:44:10 bauzas telling "we had to do it because $TC" is a terrible explanation
08:44:13 lyarwood I also hate making changes like this so close to RC tbh
08:44:25 lyarwood but if we don't support bionic
08:44:33 bauzas okay, let's be pragmatic and discuss about the change surface to be as minimal as we can
08:44:48 gibi do we need to change the min libvirt version to be able to switch to Focal?
08:44:58 bauzas there are two different concerns here
08:45:04 bauzas 1/ people want to bump versions
08:45:10 bauzas 2/ TC wants us to move to Focal
08:45:19 bauzas those two concerns aren't interrelated
08:45:44 bauzas (AFAICT)
08:46:00 lyarwood right, we did however say that we would bump the min versions in V
08:46:08 lyarwood and that we would also move the next versions in V
08:46:46 lyarwood gibi: correct we don't need to change the min to move to focal
08:46:49 bauzas bumping minimums is somehow understandable
08:47:03 bauzas more than us moving to Focal, tbh
08:47:11 openstackgerrit Liang Fang proposed openstack/nova master: [WIP] rbd patch for volume local cache https://review.opendev.org/726762
08:47:28 stephenfin I personally class the bumping of minimums more important and less risky than the focal move
08:47:28 bauzas anyway, I want us to stop focusing on distros, and rather be discussing on QEMU versions
08:47:32 lyarwood tbh I'd personally drop the entire move to focal at this point
08:47:34 stephenfin oh, jinx :)
08:47:44 lyarwood \o/
08:48:03 gibi droping Focal needs to be agreed with the TC
08:48:12 bauzas stephenfin: yeah I'm kinda leading to this conclusion
08:48:24 lyarwood I'm amazed that we continued with it after M2 tbh
08:48:31 lyarwood move early or don't move at all
08:48:36 stephenfin apologies if this was discussed yesterday, but couldn't we have a single non-voting tempest job on Focal?
08:48:50 bauzas gibi: I don't understand why the OpenStack community makes an hard sell on a OS thing
08:48:59 stephenfin to satisfy that request
08:49:11 bauzas I thought we only considered dependencies and not OSes
08:49:13 lyarwood yeah but I get the feeling that gmann's changes are to the base jobs
08:49:15 bauzas to be frank
08:49:23 lyarwood we could overwrite the node labels in our tree however
08:49:25 gibi bauzas: me neither but I think to make the communication clear we have to be on the same side with the TC
08:49:37 bauzas okay, let's be pragmatic
08:50:08 bauzas the problem is with a specific QEMU version that races on volume attach/detach, right?
08:50:13 stephenfin ah, you mean the parent 'openstack-*' and 'legacy-*' jobs?
08:50:25 bauzas and past this version, QEMU isn't fixed yet
08:50:30 bauzas am i correct?
08:50:54 lyarwood stephenfin: yeah
08:51:04 bauzas so, we can legitamately bump the minimums without being impacted by the QEMU issue
08:51:11 bauzas legitimatly
08:51:14 lyarwood bauzas: that's the issue with focal and the ussuri UCA yes

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