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#openstack-nova - 2025-02-18
20:51:09 sean-k-mooney right so that probelmatic becasue it shoudl not change on a live migration
20:51:57 sean-k-mooney the reboot behavior in nova is how it shoudl work
20:52:36 sean-k-mooney the qos policy applied to an instnace volume shoudl not change as a sideffect changing the host
20:53:09 MengyangZhang[m] understood, then what we should do? discuss this in next cinder-nova meeting?
20:53:25 sean-k-mooney i think so yes
20:53:45 sean-k-mooney i do not know if modifying the QOS could cause the live migration to fail for example
20:53:57 sean-k-mooney or cause issues with reverting a cold migrate or resize
20:55:50 MengyangZhang[m] i don't think it would cause live-migration fail. We have deployed qos to our private cloud for some time and we don't see increased live-migration failures when existing VMs are adapting the qos
20:56:20 sean-k-mooney it would fail if the destination host did not supprot the qos config
20:57:10 sean-k-mooney i.e. if the souce and destination host had differnt version of libvirt and the qos element was supported on the source but nto the desitnaiton
20:57:50 sean-k-mooney we shoudl be validating that in pre live migration
20:58:47 opendevreview ribaudr proposed openstack/nova master: Augment the LiveMigrateData object https://review.opendev.org/c/openstack/nova/+/942143
20:58:48 opendevreview ribaudr proposed openstack/nova master: Add live_migratable flag to PCI device specification https://review.opendev.org/c/openstack/nova/+/942144
20:58:48 opendevreview ribaudr proposed openstack/nova master: Update manager to allow vfio pci device live migration https://review.opendev.org/c/openstack/nova/+/942145
20:58:49 opendevreview ribaudr proposed openstack/nova master: Update conductor and filters allowing migration with SR-IOV devices https://review.opendev.org/c/openstack/nova/+/942146
20:58:49 opendevreview ribaudr proposed openstack/nova master: WIP: Update driver to map the targeted address for SR-IOV PCI devices https://review.opendev.org/c/openstack/nova/+/942147
20:58:58 sean-k-mooney downstream we supprot deploying a single verison of nova across both rhel 8 and rhel 9 host for an extened peoid of time
21:00:05 sean-k-mooney we have at least one custoemr that told use that for regaltory reasoson can only update eithe revery 6-12 months
21:00:46 sean-k-mooney so they would realistically ahve some deployments with a mix of libvirt versions for up to a year
21:01:31 MengyangZhang[m] I think we discussed this at some point, the pre live migration step wouldn't fail plus openstack supported front-side disk qos 13 years ago
21:02:04 sean-k-mooney right for the current set we have it wont fail unless libvir remvoes supprot for a filed in a new version
21:02:29 sean-k-mooney but im making the point that nova does not really expect this to change on live migation
21:02:44 MengyangZhang[m] get it
21:04:04 sean-k-mooney a concreate example fo this is the weith element https://libvirt.org/formatdomain.html#block-i-o-tuning
21:04:25 sean-k-mooney the range [100, 1000]. After kernel 2.6.39, the value could be in the range [10, 1000]
21:04:37 sean-k-mooney so hte changed the range that was allowed
21:04:47 sean-k-mooney again it old enough that its ok
21:05:17 MengyangZhang[m] make sense
21:05:38 sean-k-mooney im going to call it a day btu we shoudl see what the cinder folks think about how to proceed
21:05:59 MengyangZhang[m] make sense thanks for the help!
23:23:44 opendevreview Merged openstack/os-vif master: Remove os-vif-linuxbridge https://review.opendev.org/c/openstack/os-vif/+/941567
23:38:13 opendevreview sean mooney proposed openstack/os-vif master: Update gate jobs as per the 2025.1 cycle testing runtime https://review.opendev.org/c/openstack/os-vif/+/935580
#openstack-nova - 2025-02-19
00:38:25 opendevreview Merged openstack/nova stable/2024.1: repoduce post liberty pre vicoria instance numa db issue https://review.opendev.org/c/openstack/nova/+/932064
02:26:29 opendevreview Amit Uniyal proposed openstack/nova master: Reproducer for cold migration on shared storage https://review.opendev.org/c/openstack/nova/+/940304
03:03:33 opendevreview Merged openstack/os-vif master: Update gate jobs as per the 2025.1 cycle testing runtime https://review.opendev.org/c/openstack/os-vif/+/935580
03:05:12 gmann mikal: approved the spice tests tempest change but melwitt reminded its depends-on nova change. if you can remove that depends-on I can quickly re-approve it https://review.opendev.org/c/openstack/tempest/+/942023
04:24:36 opendevreview Amit Uniyal proposed openstack/nova master: Reproducer for cold migration on shared storage https://review.opendev.org/c/openstack/nova/+/940304
05:19:33 opendevreview Tatsuya Hayashino proposed openstack/nova master: Allow update metadata and tag for error VM https://review.opendev.org/c/openstack/nova/+/942167
09:22:57 mikal gmann: sure, I can do that now
09:25:50 mikal gmann: done
10:25:02 opendevreview Rajesh Tailor proposed openstack/nova master: Handle InstanceExists exception for duplicate instance https://review.opendev.org/c/openstack/nova/+/860938
10:32:31 sshmlbrg Hi! I have a question about the 'attach volume to shelved instance' functionality. How does it work if an instance in the 'shelved_offloaded' status has no availability zone, but when attaching, the availability zones of the instance and the volume are checked? The documentation states that this functionality works starting from microversion 2.20.
10:37:56 opendevreview Rajesh Tailor proposed openstack/nova master: Fix KeyError on assisted snapshot call https://review.opendev.org/c/openstack/nova/+/900783
11:21:43 opendevreview Rajesh Tailor proposed openstack/nova master: Fix case sensitive comparison https://review.opendev.org/c/openstack/nova/+/933107
13:20:26 opendevreview ribaudr proposed openstack/nova master: Add managed flag to PCI device specification https://review.opendev.org/c/openstack/nova/+/937649
13:20:27 opendevreview ribaudr proposed openstack/nova master: Update driver to deal with managed flag https://review.opendev.org/c/openstack/nova/+/938405
13:39:19 opendevreview ribaudr proposed openstack/nova master: Update driver to deal with managed flag https://review.opendev.org/c/openstack/nova/+/938405
14:36:22 MengyangZhang[m] <MengyangZhang[m]> "Do we know what would be the..." <- sean-k-mooney: Do you have an idea of how to implement this?
14:37:45 sean-k-mooney i dont have context for waht your asking
14:42:04 opendevreview Rajesh Tailor proposed openstack/nova master: Add support for showing finish_time https://review.opendev.org/c/openstack/nova/+/928933
14:42:32 dansmith bauzas: I'm here
14:42:39 bauzas cool
14:43:11 frickler MengyangZhang[m]: doing quote replies in the matrix doesn't transfer well into IRC, best avoid those
14:43:12 bauzas so indeed the lazyloading is something like a good performance concern
14:43:48 bauzas when we discussed with sean-k-mooney, we said eventually "yeah, but just for the moment we wouldn't working on it"
14:44:04 bauzas that said, now, if you want, I can provide another dependent change for this
14:44:43 dansmith bauzas: we will lazy-load every instance on every host we're considering...sequentially
14:44:58 dansmith for ten hosts with 100 instances each, that's 1000 trips to the database for each schedule operation
14:45:08 bauzas indeed you see this in https://4d2664479333d0a7d727-a4adcb41e06ec456a00383225f090da6.ssl.cf5.rackcdn.com/940642/9/check/nova-multi-cell/bbf5fea/controller/logs/screen-n-sch.txt
14:45:21 bauzas Feb 17 19:20:02.725500 np0039881226 nova-scheduler[84264]: DEBUG nova.objects.instance [None req-6e249595-d7b0-4cbc-95d0-e2798d45bc99 tempest-ImagesOneServerNegativeTestJSON-728670221 tempest-ImagesOneServerNegativeTestJSON-728670221-project-member] Lazy-loading 'system_metadata' on Instance uuid e6f93654-3b12-429d-8f17-15ad1e605964 {{(pid=84264) obj_load_attr
14:45:23 bauzas /opt/stack/nova/nova/objects/instance.py:1141}}
14:45:28 dansmith yeah
14:45:52 bauzas so I don't disagree with you, if you think it's a priority issue, I can try to fix it then
14:46:07 bauzas or you if you want
14:46:24 bauzas that would be a bottom change for the series
14:46:39 dansmith I really don't think it's reasonable to do this in a filter, and definitely not one that is always enabled by default and/or would have this behavior when it's not even weighted
14:47:20 dansmith can we gmeet about this for a minute? I want to make sure we're also considering the track-changes path properly
14:47:22 bauzas yeah cool with me
14:47:29 bauzas dansmith: yeah, sure
14:47:48 dansmith bauzas: when you're ready: meet.google.com/aug-ibty-wrz
14:48:36 dansmith sean-k-mooney: if you're interested ^
14:49:00 sean-k-mooney am sure
14:49:08 sean-k-mooney be right there
14:50:18 sean-k-mooney give me a sec i need to sign in to sso...
15:17:15 sean-k-mooney bauzas: so looks like melwitt gave me feedback on the release not so ill proably respine for that https://review.opendev.org/c/openstack/nova/+/940835/7 if you have any other comments then i can adress them at the same time
15:19:54 sean-k-mooney im goign to squash the two commit and reuplload in a few minutes
15:22:25 sean-k-mooney if people are around later i want to merge https://review.opendev.org/c/openstack/os-vif/+/941585 and https://review.opendev.org/c/openstack/os-vif/+/941568 today if we can too so we can do a release of os-vif before the non clinet lib freeze tomorrow
15:23:00 sean-k-mooney ill work on the nova deprecation patch later today as well but that is less urgent
15:24:44 sean-k-mooney as a psa firday is a company day at redhat so many of us wont be around
15:29:02 bauzas sean-k-mooney: gibi: you probably lost context about https://review.opendev.org/c/openstack/nova/+/845757/8 but I now rebased it and I think it would help many users, particularly for evacuation ccases
15:29:24 bauzas sean-k-mooney: I can dig into the os-vif patches
15:29:51 sean-k-mooney i cna review that later. i still have some of the context
15:30:48 bauzas sean-k-mooney: I wonder why I did split the change in two patches, one for the doc change and the other one for the code change
15:31:10 bauzas maybe I should squash that, particularly you had concerns about the doc
15:47:00 opendevreview Dan Smith proposed openstack/nova master: Add fill_metadata() to InstanceList https://review.opendev.org/c/openstack/nova/+/942214
15:49:45 dansmith sean-k-mooney: bauzas: ^
15:50:11 bauzas thanks
16:00:28 opendevreview Merged openstack/nova master: Respect supplied arguments in novncproxy_base_url https://review.opendev.org/c/openstack/nova/+/928839
17:05:07 opendevreview ribaudr proposed openstack/nova master: Augment the LiveMigrateData object https://review.opendev.org/c/openstack/nova/+/942143
17:05:07 opendevreview ribaudr proposed openstack/nova master: Add live_migratable flag to PCI device specification https://review.opendev.org/c/openstack/nova/+/942144
17:05:08 opendevreview ribaudr proposed openstack/nova master: Update manager to allow vfio pci device live migration https://review.opendev.org/c/openstack/nova/+/942145
17:05:08 opendevreview ribaudr proposed openstack/nova master: Update conductor and filters allowing migration with SR-IOV devices https://review.opendev.org/c/openstack/nova/+/942146
17:05:09 opendevreview ribaudr proposed openstack/nova master: WIP: Update driver to map the targeted address for SR-IOV PCI devices https://review.opendev.org/c/openstack/nova/+/942147
17:06:57 ratailor gibi, I already submitted changes for sdk and client here https://review.opendev.org/q/topic:%22bp/image-props-in-server-show%22 but the tests are failing, because not sure how to add 'image_properties' attr to class Server in openstacksdk with 2.98 version specific.
17:07:25 ratailor gibi, could you please check and provide your feedback, when you have time ?
17:09:41 opendevreview sean mooney proposed openstack/nova master: move nova-ovs-hybrid-plug to deploy with spice and fix qxl default https://review.opendev.org/c/openstack/nova/+/940873
17:11:05 sean-k-mooney melwitt: bauzas ^ squased into one comment, with release note updated. this is the review that was used for depends on before and i have abandoned the first patch
17:11:43 sean-k-mooney ok so next on my list is dans patch
17:12:04 melwitt sean-k-mooney: cool, thanks. will look
17:40:43 sean-k-mooney dansmith: bauzas im good with https://review.opendev.org/c/openstack/nova/+/942214

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