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#openstack-nova - 2022-12-15
12:51:16 opendevreview Stephen Finucane proposed openstack/nova master: Remove Ironic client wrapper https://review.opendev.org/c/openstack/nova/+/867797
12:51:16 opendevreview Stephen Finucane proposed openstack/nova master: Remove unnecessary aliasing https://review.opendev.org/c/openstack/nova/+/867798
12:51:18 opendevreview Stephen Finucane proposed openstack/nova master: Use real SDK objects in tests https://review.opendev.org/c/openstack/nova/+/867799
12:52:08 stephenfin now back to reviews
13:10:47 opendevreview Merged openstack/nova master: Map PCI pools to RP UUIDs https://review.opendev.org/c/openstack/nova/+/854118
13:13:23 sean-k-mooney stephenfin: is that replaceing the ironic client usage with sdk
13:13:48 sean-k-mooney we have a RFE bug for that if you were not aware can you link to that in the toic/commtis
13:21:33 sean-k-mooney gibi: bauzas this is the glace spec by the way that i mentioned yesterday https://review.opendev.org/c/openstack/glance-specs/+/863209
13:21:55 bauzas ok
13:22:38 sean-k-mooney bauzas: did you see my ping for the ironic spec
13:23:21 sean-k-mooney https://review.opendev.org/c/openstack/nova-specs/+/862833
13:23:37 bauzas sean-k-mooney: yup, I'll review about it
14:06:25 gibi sean-k-mooney: I read through the glance spec above but I cannot really add much to it top of your and dansmith_s comments
14:11:34 sean-k-mooney ack do you have any idea how backup works today?
14:11:48 sean-k-mooney i always assumed we had glance details in our config
14:12:25 sean-k-mooney backup predates microversion so i never really looked at the details sicne it also predates specs in nova
14:12:49 johnthetubaguy bauzas: I am sort of around today if there are questions on the spec, in case that helps.
14:15:58 gibi sean-k-mooney: never tried backup
14:16:35 johnthetubaguy sean-k-mooney: I thought it was just a regular snapshot using the users token? Its not on a schedule, we just delete old ones after creating a new one... I thought. Been about 5 years since I tried it mind. Although those glance calls can also get a service token attached, to stop the user token expiry issues.
14:17:35 johnthetubaguy you could require a service token, a bit like how we discussed for using user tokens for port binding in neutron
14:42:24 opendevreview Merged openstack/python-novaclient master: tests: Fix Python 3.11 compatibility https://review.opendev.org/c/openstack/python-novaclient/+/867270
14:43:28 stephenfin sean-k-mooney: yeah, exactly. What's the RFE/bug?
15:00:18 opendevreview Pierre-Samuel Le Stang proposed openstack/nova master: Reproducer test of bug #1999674 https://review.opendev.org/c/openstack/nova/+/867807
15:11:44 bauzas johnthetubaguy: sean-k-mooney: fwiw, I'm on the spec since 30 mins
15:11:51 bauzas should be done in 10 mins
15:12:41 sean-k-mooney ack
15:23:12 bauzas johnthetubaguy: sean-k-mooney send to the gate with comments
15:23:16 bauzas nothing important
15:23:29 bauzas and as said, we can continue discussing about those during the implementation
15:23:36 bauzas but I don't wanna hold this spec for this cycle
15:35:11 opendevreview Merged openstack/nova-specs master: Ironic shard_key to replace peer_list https://review.opendev.org/c/openstack/nova-specs/+/862833
16:02:28 rloo hi nova-folks. thanks johnthetubaguy for fixing https://bugs.launchpad.net/nova/+bug/1974070 because I need that fix in wallaby! Is this https://review.opendev.org/c/openstack/nova/+/864773 backportable, it added a new config option?
16:05:06 johnthetubaguy rloo: your very welcome! I think it is backportable, because its a workaround config option, at least I think that is what we agreed. I haven't had chance to propose it myself though.
16:06:22 rloo thx johnthetubaguy ! if i can recall how to, i'll try to propose them and see how that goes :)
16:07:28 rloo btw johnthetubaguy, this didn't get merged, is it still desired? https://review.opendev.org/c/openstack/nova/+/842478
16:09:06 opendevreview Ruby Loo proposed openstack/nova stable/zed: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867642
16:17:46 opendevreview Konrad Gube proposed openstack/nova-specs master: Use extend volume completion action https://review.opendev.org/c/openstack/nova-specs/+/855490
16:24:57 opendevreview Konrad Gube proposed openstack/nova-specs master: Use extend volume completion action https://review.opendev.org/c/openstack/nova-specs/+/855490
16:33:38 johnthetubaguy rloo: good point, that is still needed for cases like when you mark and available node as in-maintenance but it gets picked before nova updates placement. we shouldn't need it work around automatic cleaning anymore though, so its more of an edge case now
16:33:45 opendevreview John Garbutt proposed openstack/nova master: Ironic: retry when node not available https://review.opendev.org/c/openstack/nova/+/842478
16:35:41 rloo yes, i could see that being useful but am really interested (now anyway!) in the fix for cleaning. Thx johnthetubaguy, will keep an eye out for that one too if i remember.
16:37:46 johnthetubaguy I kept running out of candidates that worked with the other fix, in the specific scenario where I was hitting the cleaning race, hence the better fix, kinda glad it didn't work first time, its a much better fix :)
16:41:12 rloo definitely!
17:00:07 clarkb bauzas: to followup on nova tox v4 compat my DNM change looked clean except for the openstacksdk functional job which is actually an openstacksdk tox.ini problem. I've pushed https://review.opendev.org/c/openstack/openstacksdk/+/867827 to address that (not sure if it is complete yet)
17:03:11 bauzas on a meeting but ack
17:35:57 opendevreview Pierre-Samuel Le Stang proposed openstack/nova master: Correctly reset instance task state in rebooting hard https://review.opendev.org/c/openstack/nova/+/867832
18:21:24 sean-k-mooney rloo: johnthetubaguy yes that shoudl be backporatble
18:22:04 sean-k-mooney in fact since https://review.opendev.org/c/openstack/nova/+/867642 is proposed i might as well review it now
18:23:13 rloo thx sean-k-mooney! I got a conflict when i tried to cherry pick to yoga, haven't yet had time to look at that.
18:23:58 sean-k-mooney ack ill be around tomorrow as well but after that ill be back in the new year
18:24:15 sean-k-mooney feel free to add me to them or ping me and ill happliy review the backports
18:24:44 rloo Thanks sean-k-mooney!!
20:14:39 opendevreview Merged openstack/nova master: Ironic: retry when node not available https://review.opendev.org/c/openstack/nova/+/842478
21:16:23 opendevreview Ruby Loo proposed openstack/nova stable/yoga: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867912
22:41:03 opendevreview Ruby Loo proposed openstack/nova stable/yoga: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867912
23:11:27 opendevreview Ruby Loo proposed openstack/nova stable/yoga: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867912
23:14:13 opendevreview Ruby Loo proposed openstack/nova stable/xena: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867338
23:23:26 opendevreview Ruby Loo proposed openstack/nova stable/xena: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867913
23:24:16 opendevreview Ruby Loo proposed openstack/nova stable/wallaby: Ironic nodes with instance reserved in placement https://review.opendev.org/c/openstack/nova/+/867914
#openstack-nova - 2022-12-16
05:04:49 thuvh IDENTIFY
08:08:17 congnt Hi everyone, I have a new compute with CPU (Intel(R) Xeon(R) Gold 5320 CPU @ 2.20GHz) Icelake Intel. But libvirt recognize model is Broadwell-noTSX-IBRS. Anyone know this bug? I'm use OpenStack Victoria deploy by kolla-ansible, libvirt version 6.0.0-0ubuntu8.8
08:15:25 obre congnt: Hi! I guess that a "cat /proc/cpuinfo | grep mpx" returnes no results?
08:15:44 congnt Yes
08:16:07 congnt No result with this command
08:17:08 obre The issue is basicly that libvirt expects that flag to call a CPU "IceLake".
08:17:33 obre But Intel does not ship mpx-support for quite a few of their newer CPU-lines.
08:17:51 obre But you can configure libvirt with your own custom cpu-models.
08:18:21 obre We do for example use this file on our IceLake nodes: https://github.com/ntnusky/profile/blob/master/files/libvirt/cpu/x86_Icelake-Server-NTNU.xml
08:19:40 obre Add that file to /usr/share/libvirt/cpu_map/ and update /usr/share/libvirt/cpu_map/index.xml to include a link to it. Then after a restart of libvirt you should have an ICE-Lake CPU available.
08:32:25 congnt obre: thank you so much, i will research it.
10:52:59 sean-k-mooney congnt: ya so this is a common issue with older release of libvirt.
10:54:32 sean-k-mooney congnt: there are 3 ways to work around it if you cant us a newer libvirt, 1 is create a custom model, possibly by copying the one form a newer release, the next is to use the model that matches closed by setting cpu_mode=custom and cpu_model=<whatever> the final way to work around this is set cpu_mode=host-passthrough
10:55:24 sean-k-mooney for 2 i forgot to say you can add the missing cpu flage with cpu_model_extra_flags
10:55:35 sean-k-mooney those config options are all in the libvirt section fo the nova.conf
11:09:39 songwenping sean-k-mooney: hi, i remember the live migration will check source node's resource capacity right?
11:20:09 songwenping sean-k-mooney: hi, i remember the live migration will also check source node's memory capacity right?
11:27:22 sean-k-mooney i would have to check if live migration is using 2 seperate allcotions or just one. i know for some move operations we use the migration context to hold the allcoation for one of the nodes and the vm for the other
11:28:28 sean-k-mooney we have not ported all move operations to use that workflows. cold migration does if i recall correctly, evacuate does not i think live migration will use 2 allocations but again i would need to look at the code to confirm
11:32:46 sean-k-mooney gibi: bauzas do ye recall off the top of ye're heads what we do for live migration ^
11:56:48 gibi live migration uses the migration uuid to hold the source node alloc
11:56:59 gibi only evacuate is an exception
11:59:06 sean-k-mooney ack that is what i tought
11:59:43 sean-k-mooney we should fix evacuation sooner rather then later... im going to go add that to our downstream backlog
12:00:33 sean-k-mooney maybe i can push for that in B or C it would be nice to get that finally fixed
12:00:49 sean-k-mooney although the placement allocation explostion issue might be more imporant
12:01:17 sean-k-mooney we also still need to start using the consumer types feature right
12:01:32 sean-k-mooney to actully start marging the migration allcoations as migrations
12:02:02 gibi yes and yes
12:03:26 sean-k-mooney by the way i will shortly be resuming the pci series review stephenfin are you on pto from today?
12:04:14 sean-k-mooney stephenfin: im hoping to finish reviewign the rest of the pci seriese today but if not it will be my goal to get it completed the first week of january when im back
12:42:49 songwenping sean-k-mooney,gibi: it seems not reasonable if live migration uses 2 seperate allocations, the vm cannot be migrate if the source node have not enough resouce.
12:50:46 sean-k-mooney songwenping: it can we wont stop the migration if the source is over commited
12:51:20 sean-k-mooney that will fail for evacuate but live migration shoudl work
12:51:47 sean-k-mooney that said you shoudl never get into that situration unless you change something in a way that was unsupproted or hit a bug
12:52:13 sean-k-mooney for example reduced the memory in the source node either intentiollay or due to a dim failure or change the allcoation ratio
12:52:50 songwenping we use the Rocky code, and placement is integrated with nova.
12:53:17 sean-k-mooney multiple allocation was intoduced in Queens
12:53:23 sean-k-mooney so it shoudl be there in rocky
12:54:16 songwenping but we encounter the problem, the vm cannot migrate because the source node's memory over commit
12:55:12 sean-k-mooney we may have a bug in rocky or master then but you shoudl not be in an over commit senario

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