Friday, 2020-02-21

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brinzhangsean-k-mooney: are you around?00:26
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openstackgerritBrin Zhang proposed openstack/nova-specs master: Support re-configure deleted_on_termination in server  https://review.opendev.org/58033602:18
brinzhangalex_xu, gibi: I was update the spec for PTACH API, please review02:19
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openstackgerritBrin Zhang proposed openstack/nova-specs master: Support re-configure deleted_on_termination in server  https://review.opendev.org/58033602:57
brinzhangalex_xu: thanks, updated02:58
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* prometheanfire wonders how nova is handling alembic-1.4.003:07
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openstackgerritStephen Finucane proposed openstack/python-novaclient master: setup.cfg: Various Python 3 fixes  https://review.opendev.org/70882409:57
openstackgerritStephen Finucane proposed openstack/python-novaclient master: tox: Configure 'ignore_basepython_conflict'  https://review.opendev.org/70883009:57
openstackgerritStephen Finucane proposed openstack/python-novaclient master: Remove six  https://review.opendev.org/70883109:57
openstackgerritStephen Finucane proposed openstack/python-novaclient master: Bump to hacking 2.x  https://review.opendev.org/70883209:57
openstackgerritStephen Finucane proposed openstack/python-novaclient master: trivial: Remove 'u' prefix from string  https://review.opendev.org/70908009:57
openstackgerritStephen Finucane proposed openstack/python-novaclient master: Random cleanups  https://review.opendev.org/70908109:57
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openstackgerritLee Yarwood proposed openstack/nova master: libvirt: Remove native LUKS compat code  https://review.opendev.org/66912110:45
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happyhemantHi folks, I am creating instance in openstack with SRIOV, hugepages and cpu pinning. Creation of instance works with only SRIOV. Similarly with cpu-pinning and hugepage  and without SRIOV works as well. But creating instance together with SRIOV, cpu-pinning and hugepages does not work. I found some logs in nova conductor and scheduler have a look to those if anybody can help would be really appreciated11:30
happyhemantnova-scheduler logs  https://www.irccloud.com/pastebin/KqD8zxqU/nova-scheduler%2011:30
happyhemantnova-conductor logs https://www.irccloud.com/pastebin/e580zd4R/nova-conductor11:31
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Tony31hi nova team. When scheduling an instance via Horizon I can select `availability zone`. Is this availability zone information passed to Cinder? I would like to select a specific cinder backend with nova availability zone. I have tried setting the cinder `backend_availability_zone` to match the nova AZ but I am unable to get a match. I have enabled12:12
Tony31in Cinder `scheduler_default_filters = AvailabilityZoneFilter` which i had found in the docs is already enabled by default. Could anyone help nudge me in the right direction?12:12
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redrobotHello, Nova friends!  I would appreciate reviews on this updated bugfix patch: https://review.opendev.org/#/c/679502/13:47
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openstackgerritIvaylo Mitev proposed openstack/nova master: Faults from cell DB missing in GET /servers/detail  https://review.opendev.org/69917614:07
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openstackgerritBalazs Gibizer proposed openstack/nova master: Support unshelve with qos ports  https://review.opendev.org/70475915:29
openstackgerritBalazs Gibizer proposed openstack/nova master: Enable unshelve with qos ports  https://review.opendev.org/70547515:29
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efriedgibi, alex_xu, brinzhang: Where are we on the delete-on-termination spec? Do we need to defer?15:31
gibistephenfin: I had to resolve a merge conflict so I lost your +2 on https://review.opendev.org/#/c/704759/ Could you plug it back?15:31
gibiefried: as far as I understand gmann is OK to have PATCH or a POST with a different action and alex_xu does not like the idea of PATCH15:31
openstackgerritBalazs Gibizer proposed openstack/nova master: Merge qos related renos for Ussuri  https://review.opendev.org/70676615:31
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gibiefried: I don't see that alex_xu and gmann agreed on a compromise15:32
brinzhangI want to look gibi and alex_xu, if they are agree with this patch, I will be ok whether defer or pass15:32
brinzhanggibi: I was disscussed with alex_xu on wechat, he is ok for PTACH15:33
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gibibrinzhang: OK. Then we have an agreement. Let me quickly re-read the spec but then I'm +2 on it15:33
brinzhanggibi: thanks15:34
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gibidone. I'm +215:35
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brinzhanggibi: cool, alex_xu maybe busy from afternoon, gmann are you around?15:36
brinzhangefried: Is this need another +2 for it, that you can +1W ?15:37
efriedbrinzhang: We definitely need two +2s. And since alex_xu was one of the crucial voices in the process, I think one of them should be his.15:39
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efriedbrinzhang: I would value gmann's +1 for sure, but we need alex_xu to make it go.15:40
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brinzhangefried: sure, hope alex_xu is not sleeping :)15:41
brinzhangefried: I will ping him now15:41
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brinzhangefried: I think alex_xu is sleeping, I know our team are considering to cut spec in U release because of mriedem and you away, if so, I agree defer this. I am glad to meet this feature has a solution that everyone can agree on.15:47
efriedbrinzhang: Okay. I'll give it to the end of my day and defer if we haven't heard back from alex_xu. Thanks for understanding.15:48
brinzhanggibi, alex_xu, gmann, sean-k-mooney: thanks, and if gmann would like to +1, I will be happy :)15:48
gibiefried: agree15:48
brinzhangefried, gibi: thanks15:49
gibibrinzhang: thanks15:49
openstackgerritBalazs Gibizer proposed openstack/nova stable/train: Reproduce bug 1862633  https://review.opendev.org/70916616:02
openstackbug 1862633 in OpenStack Compute (nova) "unshelve leak allocation if update port fails" [Medium,Fix released] https://launchpad.net/bugs/1862633 - Assigned to Balazs Gibizer (balazs-gibizer)16:02
openstackgerritBalazs Gibizer proposed openstack/nova stable/train: Clean up allocation if unshelve fails due to neutron  https://review.opendev.org/70916716:02
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stephenfingibi: done16:16
gibistephenfin: thank you16:16
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sean-k-mooneygibi: there are potentially other issues with unshelve. we have an open dowsntream bug report that sugges we do not correclty handel neutron sriov deivce on unshelve16:28
gibisean-k-mooney: could be. this bug was come up when I added qos support for unshelve16:28
sean-k-mooneygibi: basicaly i thinke we do the claim and port update after we regenerate the xml on queens16:28
sean-k-mooneyso i think we have an odering issue in that code in generall but not sure if its still a thing on master16:29
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gibisean-k-mooney: there is a FIXME in the code https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L649716:31
gibibut that is about error handling + cleanup16:32
gibithe port update happens before we call driver.spawn16:32
gibihttps://github.com/openstack/nova/blob/master/nova/compute/manager.py#L6474-L648016:32
gibithe problem might be that we update the port before the instance_claim16:33
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gibibut I lack the brain power on this Friday evening to dig this further16:35
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openstackgerritMark Goddard proposed openstack/nova master: Add functional regression test for bug 1853009  https://review.opendev.org/69501217:07
openstackbug 1853009 in OpenStack Compute (nova) "Ironic node rebalance race can lead to missing compute nodes in DB" [Undecided,In progress] https://launchpad.net/bugs/1853009 - Assigned to Mark Goddard (mgoddard)17:07
openstackgerritMark Goddard proposed openstack/nova master: Clear rebalanced compute nodes from resource tracker  https://review.opendev.org/69518717:07
openstackgerritMark Goddard proposed openstack/nova master: Invalidate provider tree when compute node disappears  https://review.opendev.org/69518817:07
openstackgerritMark Goddard proposed openstack/nova master: Prevent deletion of a compute node belonging to another host  https://review.opendev.org/69480217:07
openstackgerritMark Goddard proposed openstack/nova master: Fix inactive session error in compute node creation  https://review.opendev.org/69518917:07
prometheanfirehow goes the alembic-1.4.0 testing?17:09
sean-k-mooneygibi: ya i think that is the issue. we updated the port before the instnace claim, and therefor when we generate the xml by retirivng the pci_slot form the neutron port bidning details it uses the old adress17:12
sean-k-mooneygibi: anyway i just wanted you to be aware of that. im not expectiing your change to fix it17:13
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Sundardansmith: In response to your comments/questions on rescheduling, is https://review.opendev.org/#/c/631244/62/nova/conductor/manager.py@839 the only piece left? Are there additional places to create/bind ARQs?17:31
dansmithSundar: for reschedule, that should be it17:32
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efriedprometheanfire: I didn't get back to it yesterday, but it's here: https://review.opendev.org/70870617:42
efriedReally, I need dansmith to look and see if the results mean we need a migration or not.17:42
* efried ==> lunch17:42
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openstackgerritMerged openstack/nova stable/stein: Enhance service restart in functional env  https://review.opendev.org/70310317:53
openstackgerritMerged openstack/nova master: trivial: Fetch 'Service' objects once when building AZs  https://review.opendev.org/70565317:53
openstackgerritMerged openstack/nova master: trivial: Bump minimum version of websockify  https://review.opendev.org/70565417:53
openstackgerritStephen Finucane proposed openstack/nova master: libvirt: Report storage bus traits  https://review.opendev.org/66691417:53
openstackgerritStephen Finucane proposed openstack/nova master: libvirt: Use domain capabilities to get supported device models  https://review.opendev.org/66691517:53
openstackgerritStephen Finucane proposed openstack/nova master: Add transform_image_metadata request filter  https://review.opendev.org/66577517:53
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prometheanfireefried_afk: thanks17:59
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prometheanfireefried_afk: that's my review, I was asking if nova had a review to fix :D17:59
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dansmithprometheanfire: he meant this: https://review.opendev.org/#/c/708707/118:16
dansmithand, it failed grenade on the base, so no useful data18:16
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prometheanfireah, fun, thanks18:27
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openstackgerritDan Smith proposed openstack/nova master: WIP: Name Enums  https://review.opendev.org/70870719:04
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openstackgerritMerged openstack/nova stable/train: Print help if nova-manage subcommand is not specified  https://review.opendev.org/70263719:32
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efriedprometheanfire: sorry, yeah, what dansmith said. Looks like the base patch is in merge conflict atm, Ima rebase it so we can recheck the sniffer.19:37
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efrieddone and done19:39
efrieddansmith: was the unit test failure anything significant?19:40
dansmithefried: it's complaining that the model doesn't match the schema,19:40
dansmithpotentially because sqlite reports generated enum names, or doesn't support setting them or something19:40
efriedright, I wasn't sure whether that indicated we need a migration or not19:40
dansmithbut, cross that bridge later if we decide we need to do this19:40
efriedokay19:40
efriedlike, maybe figure out what name sqlite autogenerates and use that?19:41
dansmithoh, I just re-looked.. those are the postgres tests complaining19:42
dansmithnot the sqlite ones19:42
dansmithI keep not seeing "postgres"19:42
dansmithso yeah, have to make them match or teach the test not to care or something19:42
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openstackgerritEric Fried proposed openstack/nova master: Enforce os-traits/SUPPORTED_STORAGE_BUSES sync  https://review.opendev.org/70923320:25
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Sundardansmith: For the rescheduling part, https://review.opendev.org/#/c/631244/62/nova/conductor/manager.py@839, the call to _create_and_bind_arqs() must return the ARQs, so that they may be passed to build_and_run_instance(). The change to return the ARQs happens in a later patch -- the obe that bumps up RPCAPI:21:01
Sundarhttps://review.opendev.org/#/c/631244/62/nova/conductor/manager.py@83921:01
SundarSorry, https://review.opendev.org/#/c/704227/14/nova/conductor/manager.py@166121:02
SundarShall we do the create/bind for the rescheduling as a followup to 'Bump PCPI' patch?21:03
dansmithSundar: in the create patch you don't pass the arqs to the compute node until later in the rpc bump patch21:03
dansmithso just make the reschedule path do the same thing now, which is create/bind, then don't pass them to build_and_run_instance() just as the normal path.. then in the rpc patch you can pass the ARQs to both cases of that call21:04
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dansmiththat seems obvious to me, so maybe I'm missing something else that you're worried about?21:05
Sundardansmith: No, that just means we touch two patches instead of one. That is fine by me, however.21:05
dansmithit also means we don't land a patch that is broken for reschedules :)21:06
SundarIf we do it all in the 'bump rpcpai' patch, or later, we wouldn't break anything21:06
lucidguyAnyone have experience starting up instances with over 1TB of memory?21:06
SundarBut this is fine too.21:06
dansmithSundar: yes we would because your patches will land in order21:06
sean-k-mooneylucidguy: it is not a commonly tested usecase no21:07
dansmithSundar: your rpc patch needs to handle the case where it isn't passed that new argument anyway, so you could punt on even updating the rpc patch until later if you want.. the create patch is more important21:07
lucidguyThere must be a way.  RHEL OpenStack seems to support like 4TB of memory21:07
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sean-k-mooneylucidguy: not for once instance21:07
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lucidguyI'm pretty sure its per instance21:08
sean-k-mooneythat is likely the maxium limit that kvm/qemu report they can support not the practical limit21:08
sean-k-mooneylucidguy: how much memory do you have on the host21:08
sean-k-mooneyand are you useing hugepage for the guest21:09
Sundardansmith: If somebody pulls in the patch series till 'create/bind', but not the later ones, we'll have a problem anyway -- because that would create/use resources in Cyborg but not free them, or handle reboots, etc.21:09
SundarNot sure if I am misunderstanding your point21:09
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sean-k-mooneylucidguy: https://access.redhat.com/articles/1436373#nova the limist are taken form base rhel but they are not tested as part of the product21:10
dansmithSundar: yes, which is why we're holding a -2 on the bottom patch so we can *try* to land them all together.. however the rule in nova is that all patches should be deployable whenever possible, so we're trying to limit the number of places where we land part of your set and it's broken21:10
Sundardansmith: Ok, not to belabor the point, I'll just do the 2-patch thing.21:10
dansmithSundar: I'd really like to not have your set as broken as it is in the middle, but also trying to be practical.. however, not adding more places where we don't handle something as basic as reschedules until later is not going the right direction21:11
sean-k-mooneylucidguy: its likely that you can acigve the kvm limits set in https://access.redhat.com/articles/rhel-kvm-limits but i suspect that to do that you both need tohave signifcantly more meory on the host and use things like hugepages21:11
lucidguysean-k-mooney: It lists a limit of 4TB21:12
dansmithSundar: I understand it's somewhat academic, which is why I'm not insisting on the existing isses21:12
dansmith*issues21:12
lucidguyI can't seem to start up an instance with 1.2TB21:12
sean-k-mooneylucidguy: how much memory is on the host21:12
lucidguy1TB yes, 1.2TB, same image, kernel panic.21:12
lucidguy1.5TB21:12
sean-k-mooneyok21:12
sean-k-mooneyif i rememebr correctly the kernel panic you posted before looked liek a kernel kvm bug21:13
lucidguyIt's driving me crazy, the amount of time I spent troubleshooting this.21:13
lucidguyI've tride numerous kernels, upgraded the entire host.  Still no luck.21:14
dansmithSundar: any chance you noticed my patch to fix creation of orphaned device providers?21:14
lucidguyIt's as if the problem resides with the Image itself.21:14
dansmithSundar: I'd guess it probably needs your blessing21:14
sean-k-mooneylucidguy: its posible. unlikely but possible21:15
dansmithSundar: it came from me using devstack on a host with a FQDN which caused cyborg not to find the parent provider of the compute node, creating an orphaned provider, which required database surgery to fix21:15
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lucidguyHappy to tweak the image, if only I knew what was wrong.21:18
sean-k-mooneylucidguy: what image are you using21:19
lucidguyRight now I'm testing with Centos 7 generic cloud images21:19
sean-k-mooneylucidguy: ok can you try grabing a ubunut cloud image21:19
lucidguyI've tried that before also, same results21:20
sean-k-mooneyit will have a signifcalty differet kernel21:20
sean-k-mooneyah ok21:20
sean-k-mooneyhonestly i dont have the hardware to repoduce and since the error is in the qemu/kvm/kernel layers im not real sure how to help21:21
dansmithI dunno about sean-k-mooney, but I'd say: prove you can boot this with 1.5TB in bare KVM, show us what config does that, and then we can look to see if nova can/should do something different21:21
dansmithotherwise, this isn't really actionable by us or relevant for this development channel21:21
sean-k-mooneyya that is a good point21:21
lucidguysean-k-mooney:  Sometimes the system boots and I can see the kernel dump, no errors on the host.  Other times it fails to boot and I see emulation errors on the hypervisor.21:22
lucidguyAnd openstack puts in a paused state21:22
Sundardansmith: I did. Thanks. I have included that patch in my env but have nopt specifically tested it yet21:29
dansmithSundar: okay21:29
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alex_xuefried: gibi brinzhang I thought I +2 yesterday but it is not, hope it isn't too late23:13
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