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#openstack-nova - 2022-02-17
16:10:18 melwitt and changes a few more things like no more user_id scoped quotas
16:10:41 bauzas and you documented the shelved thing, good
16:10:53 bauzas "Behavior will be different for servers in SHELVED_OFFLOADED state. A server in SHELVED_OFFLOADED state will not have placement allocations, so it will not consume quota usage for cores and ram. Note that because of this, it will be possible for a request to unshelve a server to be rejected if the user does not have enough quota available to support the cores and ram needed by the server to be unshelved."
16:11:04 bauzas perfect, definitely +2 once we're done with the internal meeting
16:11:37 melwitt yeah I aimed to document all differences for operators, it's also in the config option help and was in the release note
16:23:06 bauzas melwitt: my bad, I haven't yet looked at the reno change
16:23:49 opendevreview Felix Huettner proposed openstack/nova stable/ussuri: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829506
16:23:50 melwitt bauzas: sorry I meant the release note for the counting from placement in the past
16:24:02 bauzas ah
16:24:05 bauzas gotchaz
16:24:22 melwitt I was saying I tried to put the info everywhere :)
16:25:09 melwitt reno for the counting from placement is in this list https://docs.openstack.org/releasenotes/nova/train.html#relnotes-20-0-0-stable-train-upgrade-notes
16:35:28 opendevreview Julia Kreger proposed openstack/nova master: WIP Ironic - Handle instance/node host on rebalance https://review.opendev.org/c/openstack/nova/+/813897
16:37:01 opendevreview Julia Kreger proposed openstack/nova master: Ironic - Don't query the API for instance counts https://review.opendev.org/c/openstack/nova/+/829613
16:38:18 opendevreview Jonathan Race proposed openstack/nova master: driver/secheduler/docs for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/822053
16:38:18 opendevreview Jonathan Race proposed openstack/nova master: object/notification for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828369
16:38:19 opendevreview Jonathan Race proposed openstack/nova master: zuul-job for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828372
16:51:21 opendevreview Jonathan Race proposed openstack/nova master: object/notification for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828369
16:51:22 opendevreview Jonathan Race proposed openstack/nova master: zuul-job for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828372
16:51:22 opendevreview Jonathan Race proposed openstack/nova master: driver/secheduler/docs for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/822053
18:07:57 opendevreview Balazs Gibizer proposed openstack/nova master: Record SRIOV PF MAC in the binding profile https://review.opendev.org/c/openstack/nova/+/829248
18:10:47 opendevreview Merged openstack/nova master: Document remote-managed port usage considerations https://review.opendev.org/c/openstack/nova/+/827513
18:43:05 sean-k-mooney gibi: im going to call it a day there ill try and review the rest of your placment patches on monday
19:14:11 chateaulav gibi: are there more verbose logs from grenade, or something that i am missing besides `tempest.lib.exceptions.ServerFault: Got server fault`
19:41:18 opendevreview Jonathan Race proposed openstack/nova master: object/notification for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828369
19:41:19 opendevreview Jonathan Race proposed openstack/nova master: zuul-job for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828372
19:41:19 opendevreview Jonathan Race proposed openstack/nova master: driver/secheduler/docs for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/822053
20:28:05 opendevreview Merged openstack/nova master: Fix to implement 'pack' or 'spread' VM's NUMA cells https://review.opendev.org/c/openstack/nova/+/805649
20:33:50 opendevreview Ilya Popov proposed openstack/nova stable/xena: Fix to implement 'pack' or 'spread' VM's NUMA cells https://review.opendev.org/c/openstack/nova/+/829804
20:35:32 opendevreview Merged openstack/nova master: neutron: Allow to spawn VMs with port without IP address https://review.opendev.org/c/openstack/nova/+/669411
21:18:16 opendevreview Jonathan Race proposed openstack/nova master: object/notification for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828369
21:18:17 opendevreview Jonathan Race proposed openstack/nova master: zuul-job for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/828372
21:18:17 opendevreview Jonathan Race proposed openstack/nova master: driver/secheduler/docs for Adds Pick guest CPU architecture based on host arch in libvirt driver support https://review.opendev.org/c/openstack/nova/+/822053
21:43:34 opendevreview Merged openstack/nova master: [nova/libvirt] Support for checking and enabling SMM when needed https://review.opendev.org/c/openstack/nova/+/825496
#openstack-nova - 2022-02-18
07:51:48 gibi sean-k-mooney: thanks. enjoy PTO today
07:52:51 gibi chateaulav: you have to look into the openstack service logs or 'spread' VM's NUMA cells
07:53:00 gibi sorry
07:53:06 gibi wrong copy paste buffer
07:53:10 gibi https://zuul.opendev.org/t/openstack/build/39dcedc2915b4dce9bacce7d1c21f8fe/logs
07:53:19 gibi so heer in the job result
07:53:51 gibi under controller/logs and comupute1/logs you will find screen-n-cpu.txt with the nova-compute logs
07:56:02 opendevreview Felix Huettner proposed openstack/nova stable/victoria: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829504
07:58:53 brinzhang bauzas, gibi, songwenping: vGPU support in Cyborg may need a slot of PTG, do you have some suggestion?
08:00:06 opendevreview Felix Huettner proposed openstack/nova stable/train: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829507
08:01:10 brinzhang we would like to register 2:00UTC-3:UTC at April 5, is it ok?
08:02:18 opendevreview Ghanshyam proposed openstack/nova master: Separate flavor extra specs policy for server APIs https://review.opendev.org/c/openstack/nova/+/829626
08:04:01 gibi brinzhang: I'm not sure we have a ptg etherpad yet. as far as I know RedHat folks including bauzas is PTO on today.
08:07:08 brinzhang gibi: ack
08:07:22 gibi so let's get back to this on Monday
08:07:25 brinzhang https://etherpad.opendev.org/p/nova-zed-ptg I saw this link, it's nothing else
08:07:52 brinzhang gibi: ok, we can discuss on monday ^^
08:12:03 gibi chateaulav: so for example the logs from your trial with my last suggestion visible here (filtered to error only) https://zuul.opendev.org/t/openstack/build/08789d9f0b0546cb9e6fb2b6f4f0231c/log/compute1/logs/screen-n-cpu.txt?severity=4
08:44:30 opendevreview Felix Huettner proposed openstack/nova stable/stein: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829859
08:45:07 tobias-urdin gibi: friendly request for backport review https://review.opendev.org/c/openstack/nova/+/828407 :)
08:51:40 opendevreview Felix Huettner proposed openstack/nova stable/rocky: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829860
08:55:14 opendevreview Felix Huettner proposed openstack/nova stable/queens: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829861
09:15:33 gibi tobias-urdin: hi! I don't have +2 rights on stable branches :/
09:17:44 tobias-urdin gibi: oh sorry for the noice!
09:17:55 gibi tobias-urdin: no worries
09:29:24 opendevreview Ghanshyam proposed openstack/nova master: Complete phase-1 of RBAC community-wide goal https://review.opendev.org/c/openstack/nova/+/829866
10:51:36 chateaulav gibi: ok,I was trying a few things yesterday, because greens was still failing. I'll put the change back and then investigate that way.
10:51:46 chateaulav Grenade
10:56:29 gibi chateaulav: probably easier to create a unit test that calls obj_make_compatible on a populated ComputeNode object
10:56:43 gibi with that you can troubleshoot locally
10:59:41 chateaulav gibi: Yeah. Biggest thing was trying to have zuul pass which it did. I'll see about doing that, and can test to ensure the new values aren't processed
13:22:34 chateaulav gibi: so then with the current patchset, grenade and everything is happy.
13:23:02 chateaulav it did not like those exceptions or moving the backport for hvspec above super
13:23:52 gibi chateaulav: but it did not like with a different reasons.
13:24:02 chateaulav gotcha
13:24:08 gibi chateaulav: I personally would like to keep rejecting new archs like here https://review.opendev.org/c/openstack/nova/+/828369/14/nova/objects/hv_spec.py
13:24:17 gibi chateaulav: I know that you removed this to please grenade
13:24:27 gibi but I think that just hides the problem
13:25:11 gibi I have not time right now to proposa a patch top of yours showing how to make a unit test to show the same problem in a you local env
13:25:19 chateaulav ok, and thats what im starting to see and understand. getting use to zuul and where to find tthings.
13:25:21 gibi but I think that would be a way forward to troubleshoot
13:25:39 chateaulav makes sense
13:26:09 gibi I try to get to your problem before end of today
13:29:15 chateaulav appreciate it, ill be working all day on it. gonna see about that unit test
14:06:38 opendevreview Felix Huettner proposed openstack/nova stable/train: Gracefull recovery when attaching volume fails https://review.opendev.org/c/openstack/nova/+/829507
14:51:46 jamespage o/ - is there a good reference on how scheduling should behave when hypervisors have partial hugepage memory configuration (say 150GB of 512GB)
14:51:50 jamespage ?
15:05:44 gibi jamespage: I don't think we have. if your instance needs numa topology becasue of cpu pinning or huge pages then the NUMATopologyFilter is responsible to select the proper host
15:11:07 artom jamespage, I don't think the "partial" matters. If the host has enough pages of the correct size to fit the instance, it should pass scheduling
15:13:09 jamespage gibi, artom: interestingly instances with larger page size configuration schedule fine - the problem I'm looking at happens when an instances without large pages gets scheduled to the hypervisor
15:13:52 jamespage deployment is using instances with large amounts of RAM - exceeding the diff between Total RAM - HugePages - Reserved by quite a bit
15:13:56 gibi jamespage: does instances without huge pages are they have any numa related requirements, i.e. cpu pinning?
15:14:59 jamespage gibi: nope no extra specs at all
15:15:13 artom jamespage, wait, that just sounds like there's not enough RAM
15:16:11 jamespage artom: I quite agree there is not enough - but I also expected the instance not to be scheduled to a hypervisor with this memory configuration
15:16:29 artom jamespage, ah, so scheduling passes, but the instance doesn't boot because not enough RAM
15:16:57 jamespage well it does - it then sucks all of the ram up and gets OOM'ed
15:17:31 artom That's... I think that's a known issue? In the sense that Nova doesn't correctly track memory when it's a mix of hugepages and "normal" page size
15:19:37 gibi artom: yeah I think if the small pages instance doesn't request any numa related things then the NUMATopologyFilter is not applied on that instance
15:20:19 gibi but I'm sure sean-k-mooney know a lot more about this
15:20:25 gibi but most of the RH folks on PTO today
15:20:48 sean-k-mooney i just sat down to do something else
15:20:52 artom gibi, it's not even that, I think we treat all memory as available when scheduling, but when the instance gets on the host the huge pages obviously cannot be allocated to it
15:21:02 sean-k-mooney somethign about large guests?
15:21:31 gibi sh*t, sorry
15:21:46 sean-k-mooney if you dont use hw:mem_page_size=small or 4k then the numa code does not run

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