| Posted | Nick | Remark | |
|---|---|---|---|
| #openstack-nova - 2018-09-18 | |||
| 08:08:00 | naichuans_ | bauzas: please ping me when your are free. | |
| 08:08:37 | naichuans_ | bauzas: About n-rp and reshaper, which one will be merged first? | |
| 08:58:41 | kashyap | johnthetubaguy: gibi: Morning, can we put this change out of its misery -- https://review.openstack.org/#/c/565517 ("libvirt: Drop MIN_LIBVIRT_PF_WITH_NO_VFS_CAP_VERSION") | |
| 08:59:04 | bauzas | naichuans_: hello :) | |
| 08:59:06 | kashyap | It's a dead-simple clean-up | |
| 08:59:21 | naichuans_ | bauzas: Hi~ | |
| 09:00:00 | naichuans_ | Anything share with me about n-rp disscussion during PTG meeting? | |
| 09:00:42 | bauzas | naichuans_: sure, we could be discussing by Bluejeans | |
| 09:00:46 | bauzas | or Hangout ? | |
| 09:01:32 | naichuans_ | haha~ | |
| 09:01:32 | pvc | hi | |
| 09:02:18 | naichuans_ | bauzas: In truth I'm interested in the name mangling and reshaper | |
| 09:02:30 | naichuans_ | bauzas: for multiple vgpu type support | |
| 09:03:28 | pvc | anyone experience in using cyborg for vgpu? | |
| 09:05:09 | bauzas | naichuans_: that's why I think we could be discussing by Hangout directly | |
| 09:05:54 | naichuans_ | bauzas: Ah~ but how I reach you? | |
| 09:06:24 | naichuans_ | bauzas: Maybe I could give you a call? | |
| 09:06:35 | bauzas | naichuans_: so, we agreed during the PTG about names, but the problem is that when discussing with dansmith, we thought about modifying the children and rather have children RP that would be physical GPUs and not GPU types | |
| 09:06:55 | bauzas | hence mriedem's -W on https://review.openstack.org/#/c/599208/ | |
| 09:08:07 | naichuans_ | bauzas: got it. Then there maybe multiple vgpu rps with same type? | |
| 09:08:39 | naichuans_ | for they may have more than one gpu with same type on a host? | |
| 09:10:22 | bauzas | naichuans_: the problem is about NUMA affinity | |
| 09:11:04 | bauzas | naichuans_: see https://review.openstack.org/#/c/552924/ | |
| 09:11:27 | naichuans_ | bauzas: checking | |
| 09:11:29 | bauzas | naichuans_: if we have NUMA children, then pGPUs should be grand-children | |
| 09:11:49 | bauzas | for knowing the type, it'd then be a trait | |
| 09:11:58 | bauzas | and tbh, I think it's better | |
| 09:12:11 | naichuans_ | Oh, understood, bauzas: | |
| 09:12:25 | bauzas | because resource capacity is about some resource provider, which is a pGPU | |
| 09:13:04 | bauzas | the type itself isn't a provider of resources, just a feature | |
| 09:13:29 | bauzas | naichuans_: so I'm working on providing a new revision of https://review.openstack.org/#/c/599208/ by creating children being pGPUs | |
| 09:13:45 | naichuans_ | bauzas: Agree, it is more natural. But I'm not sure if there would be some issues involved in. | |
| 09:17:56 | naichuans_ | bauzas: I made a patch on xen according to Matt's patch:https://review.openstack.org/#/c/599208/. reshape works well | |
| 09:18:24 | naichuans_ | bauzas: https://review.openstack.org/#/c/521041/ | |
| 09:18:38 | naichuans_ | bauzas: but only for single gpu rp support | |
| 09:19:30 | naichuans_ | bauzas: Do we have a plane for reshaper on multiple gpu rp support? | |
| 09:21:56 | openstackgerrit | Chen proposed openstack/nova stable/queens: Fix soft deleting vm fails after "nova resize" vm https://review.openstack.org/603340 | |
| 09:22:08 | naichuans_ | bauzas: about gpu rp name mangling, it make no difference on xenserver, because gpu with same type would be put into the same gpu group. So base on gpu or gpu type is same | |
| 09:22:39 | bauzas | naichuans_: I'll look at your change for xen | |
| 09:22:53 | naichuans_ | bauzas: thanks. | |
| 09:23:41 | bauzas | naichuans_: we don't need to reshape for multiple GPU types | |
| 09:23:54 | bauzas | again, see my upgrade impact section on the spec | |
| 09:24:07 | naichuans_ | bauzas: will check it | |
| 09:26:42 | naichuans_ | bauzas: you mean this patch: https://review.openstack.org/#/c/552924/? | |
| 09:27:07 | bauzas | nope, the reproposed 'multiple GPU types' one | |
| 09:28:08 | naichuans_ | bauzas: will check it | |
| 09:29:28 | openstackgerrit | Ghanshyam Mann proposed openstack/nova master: Merge extended_volumes extension response into server view builder https://review.openstack.org/596285 | |
| 09:33:24 | naichuans_ | bauzas: We restrict the user scenario to avoid those troubles~ Fair enough :) | |
| 09:33:45 | bauzas | naichuans_: which troubles ? :) | |
| 09:34:19 | openstackgerrit | Wenran Xiao proposed openstack/nova-specs master: Move juno approved specs https://review.openstack.org/603344 | |
| 09:35:13 | naichuans_ | bauzas: Directly upgrade the old vgpu allocation to multiple vgpu rp support is troublesome~ | |
| 09:35:57 | naichuans_ | bauzas: As I mentioned in the email, we have difficluties to decide the old allocation belongs. | |
| 09:36:38 | bauzas | naichuans_: ah this | |
| 09:36:40 | bauzas | naichuans_: yeah | |
| 09:36:52 | bauzas | naichuans_: well, about finding which is which, I don't see it difficult | |
| 09:37:01 | bauzas | but I could be wrong | |
| 09:37:14 | bauzas | I mean, allocations are done with a consumer UUID | |
| 09:37:33 | bauzas | we know that the consumer UUID is either an instance or a migration | |
| 09:37:57 | bauzas | given we don't support migrations yet in libvirt, that simplifies | |
| 09:38:32 | bauzas | so, the idea is to lookup the VGPU allocations, find for each which instance it is, check the libvirt XML to know which card is attached to, and give it back | |
| 09:38:46 | naichuans_ | bauzas: Yes, we need to talk with hypervisor, looks not so natural for me~ | |
| 09:39:03 | bauzas | naichuans_: I already do that for rebooting the host | |
| 09:39:33 | bauzas | naichuans_: given mdevs aren't persisted on reboots, every compute restart checks the existing allocations and recreates the mdevs | |
| 09:40:14 | naichuans_ | bauzas: awesome~ | |
| 09:40:56 | bauzas | naichuans_: I need to go to the gym, but I can help you by showing you the libvirt codee | |
| 09:41:01 | bauzas | give me a sec | |
| 09:41:30 | naichuans_ | bauzas: Got it, thank you very much~ And for so much information :) | |
| 09:42:58 | bauzas | naichuans_: https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L566 | |
| 09:43:12 | naichuans_ | bauzas: will check it | |
| 09:49:50 | naichuans_ | bauzas: According to your spec, multiple vgpu support would not be implemented in stein, right? | |
| 09:50:00 | naichuans_ | https://review.openstack.org/#/c/602474/2/specs/stein/approved/vgpu-stein.rst | |
| 09:52:11 | kashyap | tox -epep8 -- -HEAD | |
| 09:52:21 | kashyap | Oeps | |
| 09:54:10 | openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: libvirt: Drop MIN_LIBVIRT_PARALLELS_SET_ADMIN_PASSWD https://review.openstack.org/562313 | |
| 09:59:27 | pvc | hi bauzas | |
| 09:59:29 | pvc | it is okay now :) | |
| 09:59:42 | pvc | i have 13 supported types for my one p100 | |
| 10:04:37 | pvc | do i need to do something more bauzas? | |
| 10:21:53 | openstackgerrit | Tetsuro Nakamura proposed openstack/nova-specs master: Spec: Support filtering by forbidden aggregate https://review.openstack.org/603352 | |
| 10:32:07 | openstackgerrit | Vlad Gusev proposed openstack/nova stable/queens: Remove mox in libvirt/test_driver.py (3) https://review.openstack.org/603353 | |
| 10:38:29 | stephenfin | gibi: Any chance I could get a copy of the commands you were using in the bandwidth-aware scheduling demo last week? | |
| 10:45:30 | openstackgerrit | Vlad Gusev proposed openstack/nova stable/queens: libvirt: Reduce calls to qemu-img during update_available_resource https://review.openstack.org/603358 | |
| 10:58:11 | Luzi | Hello, I'm new to nova. How do you propose patches or ideas? Do you use Launchpad or Storyboard? | |
| 10:59:16 | openstackgerrit | Tetsuro Nakamura proposed openstack/nova-specs master: Spec: Support filtering by forbidden aggregate https://review.openstack.org/603352 | |
| 11:05:53 | s10 | Luzi: Hello. We should use gerrit for patches proposal, see https://docs.openstack.org/infra/manual/developers.html . AFAIK, bugs and RFE are proposed in Nova by Launchpad. | |
| 11:07:01 | Luzi | yeah, i work in a team, which implements security enhancements and we want to contribute to openstack | |
| 11:07:32 | Luzi | for now we want to propose a signature check after an image is cached on a compute node | |
| 11:11:57 | gibi | stephenfin: hi | |
| 11:12:18 | gibi | stephenfin: let me talk to rubasov if he have an easy to digest version of the commands | |
| 11:13:08 | gibi | stephenfin: hi did promise to write up the whole thing as a blogpost but I don't know the timing of that | |
| 11:13:34 | s10 | Luzi: So basically you want to implement signature check that is described in https://docs.openstack.org/glance/latest/user/signature.html ? | |
| 11:14:33 | Luzi | s10, well nova already checks the signature when downloading an image from glance | |
| 11:14:56 | Luzi | but not when it was cached on the compute node | |
| 11:18:57 | s10 | Luzi: I think we should wait for nova cores to wake up (15:00-16:00 UTC+0) for their thoughts. I believe good starting point is to open a bug in https://bugs.launchpad.net/nova describing this issue | |
| 11:19:20 | Luzi | okay, thank you s10 :) | |
| 11:44:23 | kashyap | 'Citrix XenServer CI' is a 'voting' job, is it? | |
| 11:55:29 | sean-k-mooney | kashyap: i think so | |
| 11:56:01 | gibi | stephenfin: does it work for you if there will be a blogpost still this week? | |
| 11:56:09 | kashyap | sean-k-mooney: Trying to figure out if this change is failing because of it: https://review.openstack.org/#/c/602592/ ("Use 'virt' as the default machine type for ARMv7") | |
| 11:57:19 | sean-k-mooney | kashyap: well you are chaing the libvirt driver the cirtx xenserver ci should be using the native xen driver | |