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#openstack-nova - 2020-02-21
19:40:46 dansmith but, cross that bridge later if we decide we need to do this
19:40:50 efried okay
19:41:00 efried like, maybe figure out what name sqlite autogenerates and use that?
19:42:26 dansmith oh, I just re-looked.. those are the postgres tests complaining
19:42:27 dansmith not the sqlite ones
19:42:32 dansmith I keep not seeing "postgres"
19:42:55 dansmith so yeah, have to make them match or teach the test not to care or something
20:25:21 openstackgerrit Eric Fried proposed openstack/nova master: Enforce os-traits/SUPPORTED_STORAGE_BUSES sync https://review.opendev.org/709233
21:01:48 Sundar dansmith: 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:
21:01:49 Sundar https://review.opendev.org/#/c/631244/62/nova/conductor/manager.py@839
21:02:10 Sundar Sorry, https://review.opendev.org/#/c/704227/14/nova/conductor/manager.py@1661
21:03:01 Sundar Shall we do the create/bind for the rescheduling as a followup to 'Bump PCPI' patch?
21:03:57 dansmith Sundar: in the create patch you don't pass the arqs to the compute node until later in the rpc bump patch
21:04:47 dansmith so 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 call
21:05:10 dansmith that seems obvious to me, so maybe I'm missing something else that you're worried about?
21:05:42 Sundar dansmith: No, that just means we touch two patches instead of one. That is fine by me, however.
21:06:03 dansmith it also means we don't land a patch that is broken for reschedules :)
21:06:30 Sundar If we do it all in the 'bump rpcpai' patch, or later, we wouldn't break anything
21:06:38 lucidguy Anyone have experience starting up instances with over 1TB of memory?
21:06:45 Sundar But this is fine too.
21:06:49 dansmith Sundar: yes we would because your patches will land in order
21:07:03 sean-k-mooney lucidguy: it is not a commonly tested usecase no
21:07:36 dansmith Sundar: 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 important
21:07:41 lucidguy There must be a way. RHEL OpenStack seems to support like 4TB of memory
21:07:55 sean-k-mooney lucidguy: not for once instance
21:08:27 lucidguy I'm pretty sure its per instance
21:08:31 sean-k-mooney that is likely the maxium limit that kvm/qemu report they can support not the practical limit
21:08:54 sean-k-mooney lucidguy: how much memory do you have on the host
21:09:04 sean-k-mooney and are you useing hugepage for the guest
21:09:16 Sundar dansmith: 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.
21:09:31 Sundar Not sure if I am misunderstanding your point
21:10:24 sean-k-mooney lucidguy: https://access.redhat.com/articles/1436373#nova the limist are taken form base rhel but they are not tested as part of the product
21:10:38 dansmith Sundar: 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 broken
21:10:59 Sundar dansmith: Ok, not to belabor the point, I'll just do the 2-patch thing.
21:11:21 dansmith Sundar: 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 direction
21:11:32 sean-k-mooney lucidguy: 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 hugepages
21:12:05 lucidguy sean-k-mooney: It lists a limit of 4TB
21:12:13 dansmith Sundar: I understand it's somewhat academic, which is why I'm not insisting on the existing isses
21:12:16 dansmith *issues
21:12:22 lucidguy I can't seem to start up an instance with 1.2TB
21:12:44 sean-k-mooney lucidguy: how much memory is on the host
21:12:45 lucidguy 1TB yes, 1.2TB, same image, kernel panic.
21:12:53 lucidguy 1.5TB
21:12:58 sean-k-mooney ok
21:13:26 sean-k-mooney if i rememebr correctly the kernel panic you posted before looked liek a kernel kvm bug
21:13:34 lucidguy It's driving me crazy, the amount of time I spent troubleshooting this.
21:14:07 lucidguy I've tride numerous kernels, upgraded the entire host. Still no luck.
21:14:24 dansmith Sundar: any chance you noticed my patch to fix creation of orphaned device providers?
21:14:29 lucidguy It's as if the problem resides with the Image itself.
21:14:49 dansmith Sundar: I'd guess it probably needs your blessing
21:15:09 sean-k-mooney lucidguy: its posible. unlikely but possible
21:15:24 dansmith Sundar: 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 fix
21:18:33 lucidguy Happy to tweak the image, if only I knew what was wrong.
21:19:10 sean-k-mooney lucidguy: what image are you using
21:19:30 lucidguy Right now I'm testing with Centos 7 generic cloud images
21:19:51 sean-k-mooney lucidguy: ok can you try grabing a ubunut cloud image
21:20:06 lucidguy I've tried that before also, same results
21:20:07 sean-k-mooney it will have a signifcalty differet kernel
21:20:23 sean-k-mooney ah ok
21:21:09 sean-k-mooney honestly i dont have the hardware to repoduce and since the error is in the qemu/kvm/kernel layers im not real sure how to help
21:21:13 dansmith I 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 different
21:21:34 dansmith otherwise, this isn't really actionable by us or relevant for this development channel
21:21:39 sean-k-mooney ya that is a good point
21:22:10 lucidguy sean-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.
21:22:38 lucidguy And openstack puts in a paused state
21:29:25 Sundar dansmith: I did. Thanks. I have included that patch in my env but have nopt specifically tested it yet
21:29:49 dansmith Sundar: okay
23:13:05 alex_xu efried: gibi brinzhang I thought I +2 yesterday but it is not, hope it isn't too late
#openstack-nova - 2020-02-22
00:22:07 openstackgerrit Merged openstack/nova master: trivial: Merge unnecessary 'NovaProxyRequestHandlerBase' separation https://review.opendev.org/705655
01:53:56 openstackgerrit Merged openstack/nova master: trivial: Remove 'run_once' helper https://review.opendev.org/705656
02:11:08 openstackgerrit Merged openstack/nova-specs master: Support re-configure deleted_on_termination in server https://review.opendev.org/580336
07:15:28 openstackgerrit Adam Harwell proposed openstack/nova master: Add scheduler filter for routed_segments https://review.opendev.org/709280
10:33:10 openstackgerrit Adam Harwell proposed openstack/nova master: Add scheduler filter for routed_segments https://review.opendev.org/709280
#openstack-nova - 2020-02-23
01:27:16 gmann efried: gibi: brin: sorry for not replying on friday, due to hospital visit. I am +1 on that approach (commented on spec).
04:49:36 openstackgerrit Adam Harwell proposed openstack/nova master: Add scheduler filter for routed_segments https://review.opendev.org/709280
05:05:11 openstackgerrit Adam Harwell proposed openstack/nova master: Add scheduler filter for routed_segments https://review.opendev.org/709280
08:35:06 openstackgerrit Sundar Nadathur proposed openstack/nova master: Add Cyborg device profile groups to request spec. https://review.opendev.org/631243
08:35:06 openstackgerrit Sundar Nadathur proposed openstack/nova master: ksa auth conf and client for Cyborg access https://review.opendev.org/631242
08:35:07 openstackgerrit Sundar Nadathur proposed openstack/nova master: Create and bind Cyborg ARQs. https://review.opendev.org/631244
08:35:07 openstackgerrit Sundar Nadathur proposed openstack/nova master: Define Cyborg ARQ binding notification event. https://review.opendev.org/692707
08:35:08 openstackgerrit Sundar Nadathur proposed openstack/nova master: Compose accelerator PCI devices into domain XML in libvirt driver. https://review.opendev.org/631245
08:35:08 openstackgerrit Sundar Nadathur proposed openstack/nova master: Pass accelerator requests to each virt driver from compute manager. https://review.opendev.org/698581
08:35:09 openstackgerrit Sundar Nadathur proposed openstack/nova master: Enable hard/soft reboot with accelerators. https://review.opendev.org/697940
08:35:09 openstackgerrit Sundar Nadathur proposed openstack/nova master: Delete ARQs for an instance when the instance is deleted. https://review.opendev.org/673735
08:35:10 openstackgerrit Sundar Nadathur proposed openstack/nova master: Enable and use COMPUTE_ACCELERATORS trait. https://review.opendev.org/699554
08:35:10 openstackgerrit Sundar Nadathur proposed openstack/nova master: Enable start/stop of instances with accelerators. https://review.opendev.org/699553
08:35:11 openstackgerrit Sundar Nadathur proposed openstack/nova master: Block unsupported instance operations with accelerators. https://review.opendev.org/674726
08:35:11 openstackgerrit Sundar Nadathur proposed openstack/nova master: Bump compute rpcapi version and reduce Cyborg calls. https://review.opendev.org/704227
08:35:12 openstackgerrit Sundar Nadathur proposed openstack/nova master: Add cyborg tempest job. https://review.opendev.org/670999
13:59:01 openstackgerrit Adam Harwell proposed openstack/nova master: Add scheduler filter for routed_segments https://review.opendev.org/709280
19:04:01 openstackgerrit Merged openstack/python-novaclient master: trivial: Remove 'u' prefix from string https://review.opendev.org/709080
19:47:13 openstackgerrit Merged openstack/python-novaclient master: setup.cfg: Various Python 3 fixes https://review.opendev.org/708824
19:47:14 openstackgerrit Merged openstack/python-novaclient master: tox: Configure 'ignore_basepython_conflict' https://review.opendev.org/708830
19:47:15 openstackgerrit Merged openstack/python-novaclient master: Remove six https://review.opendev.org/708831
19:47:16 openstackgerrit Merged openstack/python-novaclient master: Bump to hacking 2.x https://review.opendev.org/708832
19:47:17 openstackgerrit Merged openstack/python-novaclient master: Random cleanups https://review.opendev.org/709081
#openstack-nova - 2020-02-24
01:13:39 brinzhang_ gmann: refresh default policy of os-instance-action API meet a problem, could you please review this patch [1]? I have a SPEC need this change. [1]https://review.opendev.org/#/c/707777/2/nova/tests/unit/policies/test_instance_actions.py@131
01:21:35 brinzhang_ gmann, johnthetubaguy: There is an issue is the context.can(xx,xx, fatal=false), since fatal=False the unauthorized role cannot get the expect raise exception, so I would like to get your suggestion, and than fast complete this change
01:24:46 brinzhang_ gmann, johnthetubaguy: and another change is the destroy-instance-with-datavolume SPEC, and I will refresh the os-volumes API's default policy, because of I will add a new PATCH API to the os-volumes API. In order to use the new policy, I had to do this work in advance, please unstand me do this.
01:26:23 brinzhang_ gmann, johnthetubaguy: s/os-volumes API/os-volumes-attachments API

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