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openstackgerrit | Zhenyu Zheng proposed openstack/nova: [WIP]Expose quiesce/unquiesce API https://review.openstack.org/248989 | 01:21 |
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openstackgerrit | Alex Xu proposed openstack/nova-specs: Make block_migration and host flags in live-migration API https://review.openstack.org/245543 | 01:54 |
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openstackgerrit | Tang Chen proposed openstack/nova-specs: Support soft reboot and poweroff in nova ironic driver. https://review.openstack.org/229282 | 02:04 |
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openstackgerrit | Brian Rosmaita proposed openstack/nova-specs: Consistent Success Reporting https://review.openstack.org/248248 | 02:46 |
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openstackgerrit | Yingxin Cheng proposed openstack/nova: Use stevedore for scheduler host manager https://review.openstack.org/246476 | 02:51 |
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openstackgerrit | li,chen proposed openstack/nova: Add unit tests for nova.virt.firewall.IpTablesFirewallDriver https://review.openstack.org/246274 | 03:30 |
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openstackgerrit | Yingxin Cheng proposed openstack/nova: Cleanup unused test code in test_scheduler.py https://review.openstack.org/249536 | 03:36 |
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openstackgerrit | Yingxin Cheng proposed openstack/nova: Cleanup unused test code in test_scheduler.py https://review.openstack.org/249536 | 04:04 |
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openstackgerrit | yuntongjin proposed openstack/nova-specs: report more live migration progress detail https://review.openstack.org/248472 | 04:48 |
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openstackgerrit | ShaoHe Feng proposed openstack/nova-specs: report more live migration progress detail https://review.openstack.org/248472 | 04:52 |
openstackgerrit | ShaoHe Feng proposed openstack/nova-specs: report more live migration progress detail https://review.openstack.org/248472 | 04:54 |
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openstackgerrit | Ankit Agrawal proposed openstack/nova: Pass bdm info to _get_instance_disk_info method https://review.openstack.org/221162 | 05:16 |
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openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Use version convert methods from oslo_utils.versionutils https://review.openstack.org/203322 | 05:27 |
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openstackgerrit | Yingxin Cheng proposed openstack/nova: Use stevedore for scheduler host manager https://review.openstack.org/246476 | 06:01 |
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openstackgerrit | OpenStack Proposal Bot proposed openstack/nova: Imported Translations from Zanata https://review.openstack.org/242727 | 06:03 |
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openstackgerrit | sonu proposed openstack/nova: Replaces xrange() with six.moves.range() to provide py2/3 compatibility https://review.openstack.org/205307 | 06:06 |
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openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Fix wrong method name in doc filter_scheduler https://review.openstack.org/229250 | 06:09 |
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openstackgerrit | Luis Pabón proposed openstack/nova-specs: Attach/detach instance access from Manila shares https://review.openstack.org/249582 | 06:22 |
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openstackgerrit | Luis Pabón proposed openstack/nova-specs: Attach/detach instance access from Manila shares https://review.openstack.org/249582 | 06:26 |
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openstackgerrit | Luis Pabón proposed openstack/nova-specs: Attach/detach instance access from Manila shares https://review.openstack.org/249582 | 06:27 |
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shirleychen | Hi , anyone can help me review https://review.openstack.org/#/c/249184/ ? Thanks! | 06:39 |
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openstackgerrit | Zhihai Song proposed openstack/python-novaclient: Change the logic for the client to retrive resources https://review.openstack.org/246881 | 06:57 |
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openstackgerrit | melanie witt proposed openstack/nova: Add methods for RequestContext to switch db connection https://review.openstack.org/161906 | 07:09 |
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openstackgerrit | melanie witt proposed openstack/python-novaclient: Fix repr of a host from a hosts.list() https://review.openstack.org/248300 | 08:02 |
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openstackgerrit | Alex Xu proposed openstack/nova: docs: update services description for concept guide https://review.openstack.org/248454 | 08:10 |
openstackgerrit | Alex Xu proposed openstack/nova: docs: remove duplicated section about error handling https://review.openstack.org/248455 | 08:10 |
openstackgerrit | Alex Xu proposed openstack/nova: docs: using the correct format and real world example for fault message https://review.openstack.org/248463 | 08:10 |
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openstackgerrit | John Hua proposed openstack/nova: xenapi: Support bare VHD image https://review.openstack.org/249627 | 08:15 |
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sudipto | ndipanov, hi, could you please take a look at this: https://review.openstack.org/#/c/245765/ when you have some time, i have replied to your comment. | 08:17 |
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openstackgerrit | Anusha rayani proposed openstack/python-novaclient: Nova volume-attach should also allow user to provide volume name for the input https://review.openstack.org/249634 | 08:43 |
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openstackgerrit | Paul Carlton proposed openstack/nova-specs: Cancel ongoing live migrations https://review.openstack.org/228828 | 08:54 |
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bauzas | good morning Nova | 09:00 |
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openstackgerrit | Man Li Qi proposed openstack/nova: VMware: Ensure all the disk files of VM could be deleted along with VM deletion https://review.openstack.org/228285 | 09:02 |
openstackgerrit | yuntongjin proposed openstack/nova-specs: support xbzrle compress for live migration https://review.openstack.org/248465 | 09:02 |
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openstackgerrit | Zhang Ni proposed openstack/nova-specs: Add local-to-instance to create server api https://review.openstack.org/241066 | 09:13 |
openstackgerrit | jichenjc proposed openstack/nova: Remove useless header not need microversion https://review.openstack.org/224152 | 09:14 |
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openstackgerrit | John Garbutt proposed openstack/nova: docs: add clarifications to move servers https://review.openstack.org/249321 | 09:26 |
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openstackgerrit | John Garbutt proposed openstack/nova: docs: reorder move servers text https://review.openstack.org/249331 | 09:34 |
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baffle | I have this strange issue (in Icehouse, but code seems mostly the same in master) where live migrations fail with "Disk of instance is too large(available on destination host:-3221225472 < need:12943097856)". Hypervisor disk size is 732G with 377G free. If I add up all local disk images (qemu-img info virtual size) I get 511G. I've set reserved space on host to 10G, and I set disk_allocation_ration to 1.5 just to see if that helped, but I assume th | 09:43 |
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baffle | Quite a few instances use Ceph as well; Is that added on to disk usage? | 09:44 |
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openstackgerrit | jichenjc proposed openstack/python-novaclient: Not transform to str on potential unicode fields https://review.openstack.org/248626 | 09:55 |
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tangchen__ | Hi, guys, please help to review these two specs. I have updated them. | 09:59 |
tangchen__ | https://review.openstack.org/#/c/229255/ | 09:59 |
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tangchen__ | https://review.openstack.org/#/c/229282/ | 09:59 |
tangchen__ | Thanks. | 09:59 |
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openstackgerrit | ZhiQiang Fan proposed openstack/nova: Use oslo_config new type PortOpt for port options https://review.openstack.org/238347 | 10:04 |
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openstackgerrit | John Hua proposed openstack/nova: xenapi: Support bare VHD image https://review.openstack.org/249627 | 10:06 |
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ygl | Hi All | 10:16 |
ygl | can anyone tell me the meaning of the fields 'used_now' and 'used_max' in the nova host-describe command ? | 10:16 |
openstackgerrit | Daniel Berrange proposed openstack/nova-specs: Virtual guest device role tagging https://review.openstack.org/195662 | 10:17 |
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ygl | can anyone tell me the meaning of the fields 'used_now' and 'used_max' in the nova host-describe command ? | 10:19 |
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johnthetubaguy | ygl: I would have to dig in the code, but it sounds like the difference between reserved by the resource tracker, and what is currently in use? | 10:29 |
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johnthetubaguy | ygl: in theory, #openstack is the best place for usage questions, see topic. | 10:29 |
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baffle | ygl: I think used_max is minus reserved for host. | 10:30 |
baffle | At least that adds up with my nova.conf settings. | 10:30 |
ygl | baffle: i need some clear description please | 10:30 |
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baffle | used_max is same values as used_now minus what you have defined in reserved_host_disk_mb and reserved_host_memory_mb. | 10:32 |
ygl | what is used_now ? | 10:32 |
baffle | I have no idea how used_now is calculated, because it certainly doesn't add up for me.. | 10:32 |
ygl | baffle: so u mean these figures are not quite right ? | 10:33 |
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baffle | ygl: Well. If you saw my problem above, I certainly doubt it. My hypervisor reports that I have 355G of 731G free via resource tracker. But used_now disk_gb reports 704G of 731G. I would assume it calculates this value based on virtal size of all qemu2 disk images, I.e. most of my images have a virtual size of 14G, but "on disk" size could be 3G. But if I add virtaul size of all my qemu2 images together, I get 511G, so I really don't understand whe | 10:37 |
ygl | ok | 10:37 |
baffle | ygl: This stops me from live migrations to the host, and --disk-overcommit dones't seem to work as well. | 10:38 |
baffle | ygl: It'll happily spawn new instances on the host, tho'. | 10:38 |
ygl | ok | 10:38 |
openstackgerrit | xiexs proposed openstack/python-novaclient: Improve flavor list to perform multi sort keys https://review.openstack.org/249697 | 10:38 |
baffle | I'm *this* close to just force the function to report a fake value. :-) | 10:39 |
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bauzas | ygl: everything is there https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/hosts.py#L222 | 10:40 |
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bauzas | compared to https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/hosts.py#L214 | 10:41 |
bauzas | tl;dr used_max counts all the instances while used_now uses the reported RT usage | 10:42 |
ygl | bauzas: what is RT ? | 10:42 |
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bauzas | ygl: sorry, the ResourceTracker | 10:42 |
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ygl | bauzas: so used_now means those resources which r being used ? | 10:43 |
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BobBall | johnthetubaguy: Regarding your question in #openstack-meeting; Theoretically we may be able to fake some PCI devices names when we list them in the XenAPI driver, and then use those names to translate to the correct XAPI calls - but it's an abuse of the PCI code as they are not actually PCI devices at all. | 10:44 |
BobBall | We haven't looked into that option as it is very ugly to fake up PCI devices | 10:45 |
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PaulMurray | johnthetubaguy, alex_xu use of 'server' vs 'instance' is inconsistent in the api concepts doc. Thought I would go through changing it. Which is the preferred word? | 10:50 |
PaulMurray | I would guess server - as all the titles say server? | 10:51 |
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baffle | Hmm, I see if I add virtual size of images in _base on top of instances the numbers are more close.. | 10:52 |
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openstackgerrit | ShaoHe Feng proposed openstack/nova-specs: report more live migration progress detail https://review.openstack.org/248472 | 10:56 |
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openstackgerrit | Raga lahari proposed openstack/nova: Support for new --status parameter to "nova-manage vm list" command https://review.openstack.org/242370 | 11:02 |
bauzas | PaulMurray: so I had to leave early last evening | 11:03 |
bauzas | PaulMurray: you said to me that a cloud operator can be an API user, right? | 11:03 |
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bauzas | PaulMurray: if so, it seems it needs more explanation, because I don't want to discuss on professsional roles, rather on policy roles | 11:04 |
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paul___ | Test | 11:13 |
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bauzas | paul___: ACK+SYN | 11:13 |
openstackgerrit | ShaoHe Feng proposed openstack/nova-specs: report more live migration progress detail https://review.openstack.org/248472 | 11:14 |
paul___ | Ta | 11:14 |
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openstackgerrit | Nikola Dipanov proposed openstack/nova: Fix CPU pinning for odd number of CPUs w hyperthreading https://review.openstack.org/229575 | 11:22 |
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ndipanov | danpb, mdbooth lbelivea ^ I clairfied some comments there - mind popping your votes back onto it - I'd really like to see that one merged soon | 11:24 |
PaulMurray | bauzas, no, I said what I was calling a cloud operator was an actor in the use case. | 11:25 |
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PaulMurray | bauzas, I think the changes John has made make it clear - I don't think we need to spin on this - do yo uagree? | 11:27 |
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johnthetubaguy | BobBall: but its more about reporting right? | 11:34 |
openstackgerrit | Paul Murray proposed openstack/nova-specs: Allow volume operations when shelved https://review.openstack.org/243096 | 11:34 |
johnthetubaguy | BobBall: I think what kills that is all the different types | 11:34 |
johnthetubaguy | PaulMurray: oh, good question, server is correct I believe | 11:35 |
johnthetubaguy | bauzas: I did define the users somewhere, I should look at that | 11:35 |
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alex_xu | PaulMurray: yea, server is right one. | 11:36 |
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PaulMurray | johnthetubaguy, alex_xu I'll do patch on that file to make it use server consistently | 11:38 |
alex_xu | PaulMurray: thanks | 11:38 |
johnthetubaguy | awesome | 11:38 |
lxsli | for my interest, what's wrong with 'instance'? | 11:38 |
johnthetubaguy | PaulMurray: its confusing but API docs talk about servers and hosts, the dev docs talk about instance | 11:38 |
johnthetubaguy | lxsli: its not a concept in the API at all | 11:39 |
lxsli | huh, ok | 11:39 |
alex_xu | yea, although we have os-instance-action, but the server is the one we agreement on for api | 11:39 |
johnthetubaguy | lxsli: thats a slight lie, its in a few places by accident, but /servers/detail etc | 11:39 |
johnthetubaguy | alex_xu: yeah, that one,oops | 11:39 |
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johnthetubaguy | PaulMurray: bauzas: alex_xu: so I can't find in the API concept guide a description of users/actors | 11:43 |
johnthetubaguy | but anyways, lots to do already | 11:43 |
alex_xu | johnthetubaguy: you mean about admin role? | 11:44 |
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johnthetubaguy | alex_xu: sort of, I guess. I guess its more talking about common RBAC setups, and how that relates to the API policies that are in place | 11:45 |
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johnthetubaguy | alex_xu: I need to think about how we should describe that actually, its tricky... | 11:45 |
alex_xu | johnthetubaguy: ok, or just put a todo in the api guide first. | 11:46 |
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openstackgerrit | Paul Murray proposed openstack/nova-specs: Detach and attach boot volumes https://review.openstack.org/221732 | 11:48 |
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openstackgerrit | Anusha rayani proposed openstack/python-novaclient: Nova volume-attach should also allow user to provide volume name for the input https://review.openstack.org/249634 | 11:49 |
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PaulMurray | ndipanov, I updated volume specs to reflect our discussion yesterday: https://review.openstack.org/#/c/243096/ https://review.openstack.org/#/c/216578/ | 11:54 |
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ndipanov | PaulMurray, ok cool will take a look | 11:58 |
ndipanov | am I on the list of reviewers already? | 11:58 |
ndipanov | I am - good! | 11:58 |
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markus_z | Who's the poor guy who rechecks all patch sets for hyper-v? | 12:06 |
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openstackgerrit | jichenjc proposed openstack/python-novaclient: Print current nova default nova API microversion https://review.openstack.org/249132 | 12:08 |
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lxsli | when you put 23 comments on an old revision of a spec ;-; | 12:11 |
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openstackgerrit | Paul Murray proposed openstack/nova: Make server concept guide use 'server' consistently https://review.openstack.org/249731 | 12:13 |
openstackgerrit | jichenjc proposed openstack/nova: Add DiskFormat as Enum in fields https://review.openstack.org/229854 | 12:14 |
openstackgerrit | jichenjc proposed openstack/nova: Make ImageMeta:disk_format use DiskFormatField https://review.openstack.org/231460 | 12:14 |
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openstackgerrit | jichenjc proposed openstack/nova: Use oslo versioned object https://review.openstack.org/231689 | 12:16 |
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openstackgerrit | jichenjc proposed openstack/nova: Remove stub_compute config options for console https://review.openstack.org/234217 | 12:18 |
openstackgerrit | jichenjc proposed openstack/nova: Use instance objection instead of db record https://review.openstack.org/234218 | 12:18 |
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tdurakov_ | alaski, hi | 12:19 |
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openstackgerrit | John Garbutt proposed openstack/nova: docs: add clarifications to move servers https://review.openstack.org/249321 | 12:20 |
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openstackgerrit | John Garbutt proposed openstack/nova: docs: reorder move servers text https://review.openstack.org/249331 | 12:23 |
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johnthetubaguy | PaulMurray: sorry, I think my fixes ups just clashed with your change, but hopefully not too badly | 12:25 |
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openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Use version convert methods from oslo_utils.versionutils https://review.openstack.org/203322 | 12:28 |
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openstackgerrit | Claudiu Belu proposed openstack/nova: Hyper-V: adds os-win library https://review.openstack.org/247729 | 12:48 |
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openstackgerrit | John Garbutt proposed openstack/nova: api-guide: fix up navigation bar https://review.openstack.org/249757 | 12:57 |
openstackgerrit | John Garbutt proposed openstack/nova: api-guide: add note about users https://review.openstack.org/249758 | 12:57 |
lbelivea | ndipanov: I'll have a look today | 12:58 |
openstackgerrit | Radoslav Gerganov proposed openstack/nova: VMware: Use datastore copy when the image is already in vSphere https://review.openstack.org/186716 | 12:58 |
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openstackgerrit | Sergey Nikitin proposed openstack/nova: Added db API layer to add instance tag-list filtering support https://review.openstack.org/248805 | 13:06 |
openstackgerrit | Sergey Nikitin proposed openstack/nova: Added server tags support in nova-api https://review.openstack.org/128940 | 13:06 |
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openstackgerrit | Paul Murray proposed openstack/nova: Make server concept guide use 'server' consistently https://review.openstack.org/249731 | 13:06 |
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openstackgerrit | Dmitry Guryanov proposed openstack/nova: libvirt: add nova volume driver for vzstorage https://review.openstack.org/190843 | 13:07 |
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PaulMurray | johnthetubaguy, I've done the rebase - I knew it would happen | 13:09 |
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johnthetubaguy | PaulMurray: cools | 13:28 |
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johnthetubaguy | PaulMurray: bauzas: attempted to add a note about users, its not really enough, but better than not mentioning I think: https://review.openstack.org/#/c/249758 | 13:31 |
johnthetubaguy | once we decide on names, we will have to go back and fix things up | 13:31 |
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bauzas | johnthetubaguy: PaulMurray: sorry was afk | 13:36 |
bauzas | johnthetubaguy: PaulMurray: I'll review john's change and +2 if okay | 13:36 |
alex_xu | johnthetubaguy: danpb I updated spec https://review.openstack.org/#/c/245543/, propose remove the disk_over_commit and the disk usage check in new microversion. hope you can review it when you have time. Thanks in advance! | 13:37 |
claudiub | hello. if anyone has like 2-3 minutes to review a simple patch, that just refines some exceptions in the Hyper-V driver, it would be great. Thanks! https://review.openstack.org/#/c/212102/ | 13:38 |
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alex_xu | johnthetubaguy: actually to say, we didn't use oslo.policy yet. | 13:40 |
johnthetubaguy | alex_xu: yeah, I was being optimistic | 13:40 |
alex_xu | johnthetubaguy: ok, that make sense :) | 13:40 |
johnthetubaguy | alex_xu: honestly, I was about to talk about openstack common, and decided I would cheat | 13:41 |
bauzas | alex_xu: wait, what? we don't use oslo.policy? | 13:42 |
dims | alex_xu : we have to fix that :) | 13:42 |
dims | bauzas : yep we don't | 13:42 |
bauzas | WAAAAAAAAT | 13:42 |
bauzas | oh yeah, I remember now | 13:43 |
bauzas | it was an oslo incubator | 13:43 |
dims | johnthetubaguy : bauzas : alex_xu : https://review.openstack.org/#/c/198065/ | 13:43 |
alex_xu | bauzas: dims that is another story, there are some feature required by nova which proposed by sdague, but looks like that didn't get agreement yet, so we didn't switch to oslo | 13:43 |
johnthetubaguy | dims: yeah, saw the link on the blueprint | 13:43 |
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johnthetubaguy | alex_xu: good point, I don't remember where that went now | 13:44 |
bauzas | dims: oslo incubator is deprecated for the policy, right? | 13:44 |
dims | alex_xu : problem is there is no details on exactly what's needed in oslo.policy in a spec or bug report. someone will have to re-read the whole set of threads | 13:44 |
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johnthetubaguy | dims: yeah, I thought there was a spec getting written for our request, I guess that hasn't happened yet... | 13:45 |
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dims | johnthetubaguy : not sure who had the pen on the spec | 13:45 |
alex_xu | yea, I'm not quite where that went now, that is last memory about that | 13:45 |
dims | bauzas : i am going to approve a cleanup today https://review.openstack.org/#/c/245461/ | 13:45 |
dims | boom! it's all gone | 13:46 |
johnthetubaguy | alex_xu: should we add that for the next API meeting? | 13:46 |
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baffle | alex_xu: In the "optional_block_migration_and_host_flags_in_live_migrate.rst" spec you mention "For `disk_over_commit`, currently whatever the value is True or False, it is buggy resource usage counting. It does different count than ResourceTracker." .. Does that explain the behaviour that I am seeing, where reported usage is way too high when I try to live-migrate? | 13:47 |
alex_xu | johnthetubaguy: yea, I will add that to api meeting | 13:47 |
johnthetubaguy | alex_xu: thank you! | 13:47 |
alex_xu | johnthetubaguy: np | 13:47 |
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openstackgerrit | Mike Fedosin proposed openstack/nova: Bringing Glance v2 images to a uniform format https://review.openstack.org/231696 | 13:47 |
alex_xu | baffle: emm...it shouldn't be too high, only can help too low | 13:48 |
alex_xu | s/help/happen/ | 13:48 |
dims | johnthetubaguy : alex_xu : could use your eyes on the olso.reports review https://review.openstack.org/#/c/216917/ please when you get a chance | 13:48 |
dims | bauzas : ^^ | 13:48 |
bauzas | dims: heh http://cdn.meme.am/instances/400x/53712611.jpg | 13:48 |
dims | LOL | 13:49 |
dims | you all reminded me of the work pending :) | 13:49 |
dims | bauzas : i am in 02067 :) | 13:49 |
bauzas | nah, the meme was for you | 13:50 |
bauzas | 'guys, we don't know who made that to that code, but I'm gonna shoot you' | 13:50 |
dims | haha | 13:51 |
PaulMurray | bauzas, johnthetubaguy talking about users/operators/admins etc | 13:51 |
PaulMurray | I think the only distinction we can talk about in terms of the API is admin or non-admin | 13:52 |
bauzas | PaulMurray: not true, you can define roles AFAIK | 13:52 |
PaulMurray | bauzas, yes I know, but the policy file only uses admin, admin_api (which is admin) and owner | 13:53 |
bauzas | right | 13:53 |
PaulMurray | but I think the owner is implied in most cases rather than being started in policy | 13:53 |
bauzas | sure, I got your point | 13:53 |
PaulMurray | e.g. most server operations do not define a policy - or use "" | 13:53 |
PaulMurray | But in contrast, use cases will be motivated by something other than that | 13:54 |
bauzas | my concern is that we refraining ourselves giving the magical wand to end-users | 13:54 |
PaulMurray | So for example, we have a cloud provider/cloud operator/whatever | 13:54 |
bauzas | in general, we make the assumption that some deployment-specific case can't be shown to users | 13:54 |
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bauzas | PaulMurray: sure, I understand | 13:55 |
bauzas | PaulMurray: I totally get that admin vs. user is a very poor abstraction | 13:55 |
PaulMurray | yes, so those actors will always be using admin role in api, but it doesn't really make sense to talk about why those actions are admin actions without talking about how generally does it and why | 13:56 |
mdbooth | I have an rpc question relating to: https://review.openstack.org/#/c/248705/3/specs/mitaka/approved/migrate-libvirt-volumes.rst,cm | 13:56 |
bauzas | PaulMurray: but since lots of people are deploying Nova from various ways, I think the smalless common denominator is that abstraction | 13:56 |
bauzas | PaulMurray: for example, you can take sudo as an example | 13:56 |
bauzas | PaulMurray: you can have more that you can imagine ways to define sudo roles and powers | 13:57 |
mdbooth | I'd like to pass driver-specific data over rpc. Spoke to dansmith about it the other day, and decided to use system metadata as a side-channel. It feels a bit dirty, though, and I'd like to look harder at using rpc again before deciding to go that way. | 13:57 |
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bauzas | PaulMurray: but at the end, all goes to the thing 'is that a normal user or someone else" ? | 13:57 |
PaulMurray | bauzas, yes, I do agree | 13:58 |
mdbooth | The obvious thing to do would be to add an opaque text blob to the rpc, and let the driver do whatever it wants with it. | 13:58 |
mdbooth | However, the driver would then be responsible for serialisation and versioning. | 13:58 |
PaulMurray | but I think its useful to be more expansive in an explaination like a use case | 13:58 |
mdbooth | That's not necessarily the worst thing, but it's not ideal either. | 13:58 |
bauzas | PaulMurray: tbc, I don't want to take my yak and shave it | 13:58 |
mdbooth | Does anybody have an opinion? | 13:58 |
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bauzas | PaulMurray: I'm not *that* particularly opiniated, I'm just trying to explain that a concept of 'cloud operator' could lead to some confusion if that refers to an action defaulted to 'normal user' in the policy file | 13:59 |
bauzas | so I'll review johnthetubaguy's change and see if some taxonomy is made | 13:59 |
johnthetubaguy | bauzas: not really | 14:00 |
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johnthetubaguy | or not yet | 14:00 |
PaulMurray | bauzas, so we could say "usually admin rights are given to the person who has responsibility for managing the cloud" | 14:00 |
bauzas | I'm fine with defining a "cloud operator" wording, provided we document that as possibly an actor who could have a non-admin role in Keystone | 14:01 |
johnthetubaguy | bauzas: why are not non-admin? | 14:01 |
johnthetubaguy | oops | 14:01 |
johnthetubaguy | why are they a non-admin? | 14:01 |
PaulMurray | johnthetubaguy, I think they can be anything - that's the point | 14:01 |
openstackgerrit | Ildiko Vancsa proposed openstack/nova-specs: Add support for shared volumes between guests https://review.openstack.org/212508 | 14:02 |
johnthetubaguy | PaulMurray: right, its more the persona really | 14:02 |
rpodolyaka | hey, guys! could you please take a look at https://review.openstack.org/#/c/247552/ (master) and https://review.openstack.org/#/c/247491/ (stable/liberty) which fix issues with service state reporting thread ( https://launchpad.net/bugs/1517926 )? | 14:02 |
openstack | Launchpad bug 1517926 in OpenStack Compute (nova) "Nova services stop to report state via remote conductor" [Undecided,In progress] - Assigned to Roman Podoliaka (rpodolyaka) | 14:02 |
bauzas | johnthetubaguy: that's because I was having some concerns with the merged file where an action was said "as a cloud operator I can do" but that action was mapped with the default role in the policy file | 14:02 |
PaulMurray | johnthetubaguy, bauzas but a user will only be what the admin says | 14:03 |
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PaulMurray | but I think the point is that there are things we associate with users | 14:03 |
PaulMurray | e.g. generally they don't get to know about hosts | 14:03 |
PaulMurray | but they could be given that right | 14:03 |
johnthetubaguy | so we totally need a set of personas defined... | 14:03 |
PaulMurray | so everything in the policy file that we would say "usually its like this" is based on some unwritten assumptions about who does what | 14:04 |
PaulMurray | I think we do actually have an idea of what those assumptions are | 14:04 |
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PaulMurray | but we are more flexible and allow different policies to be written | 14:05 |
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PaulMurray | johnthetubaguy, so yes, we could describe some example personas | 14:05 |
bauzas | johnthetubaguy: PaulMurray: so my comment was mostly driven by https://review.openstack.org/#/c/247016/3/api-guide/source/server_concepts.rst,cm L435 | 14:06 |
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bauzas | "Resizing a server is not normally a choice that is available to the cloud operator" | 14:06 |
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bauzas | vs. https://github.com/openstack/nova/blob/master/etc/nova/policy.json#L265 | 14:07 |
PaulMurray | yes, I got that - its interesting isn't it. | 14:07 |
bauzas | "os_compute_api:servers:resize": "", | 14:07 |
PaulMurray | because my statement is right | 14:07 |
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bauzas | which means anyone either admin or owner of the VM can resize | 14:07 |
PaulMurray | exactly, there is nothing to stop an admin doing something | 14:07 |
PaulMurray | except that they shouldn't | 14:08 |
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PaulMurray | in other words, the RBAC doesn't define the world we live in | 14:08 |
PaulMurray | there are other things that are outside nova at play | 14:08 |
bauzas | a-ha I see your point then | 14:08 |
PaulMurray | and nova is driven by those use cases, not the other way around | 14:09 |
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jroll | johnthetubaguy: that ironic network spec has a +2 now if you have time to give it another review :) https://review.openstack.org/#/c/237067/ | 14:09 |
bauzas | PaulMurray: well, it's outside the scope of Nova then | 14:09 |
PaulMurray | bauzas, but you are right - we do only talk in terms of admin and non-admin for the API | 14:09 |
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PaulMurray | but I think sometimes more of an explaination is useful to understand why something is the way it is | 14:10 |
bauzas | gotcha | 14:10 |
PaulMurray | bauzas, otherwise how do we explain evacuate | 14:10 |
PaulMurray | its an operation that can't be done safely | 14:10 |
bauzas | meh, the host is down right? | 14:10 |
bauzas | so there should be an user impact | 14:11 |
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bauzas | here, I got you care about the user impact | 14:11 |
PaulMurray | yes, and the operaation is safe if something has happened outside nova that nova doesn't know about | 14:11 |
bauzas | because if that's a pet, then a resize made by an admin could tell to the user "say hi, we gonna screw your VM and rebuild a fresh one" | 14:12 |
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bauzas | the whole point of that is, are we still talking of Nova? | 14:12 |
bauzas | Nova only provides low-level APIs for managing VMs | 14:13 |
bauzas | how those APIs are used by users is out of its control | 14:13 |
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bauzas | I actually also wonder : if operators care about user impact, they could just make a change to the policy file and provide a role which would explicitly be "owner only" | 14:14 |
bauzas | that would be a configuration stuff | 14:14 |
bauzas | still out of Nova | 14:14 |
mdbooth | bauzas: I think the doc makes it clear what the purpose of the api is. The cloud operator has plenty of ways to screw users if they want to, but they're not supposed to :) | 14:15 |
PaulMurray | bauzas, I think this is a lot more simple than we making it sound | 14:16 |
edleafe | mdbooth: :) | 14:16 |
bauzas | PaulMurray: ok, I see | 14:16 |
PaulMurray | all we need to do is decide on a real world job - like cloud provider say | 14:16 |
bauzas | PaulMurray: you're stating in the doc "okay, we allow that, but that's unreasonable" | 14:16 |
edleafe | PaulMurray: agree. We should be able to divide into 1) can only touch my stuff and 2) everything else | 14:16 |
PaulMurray | and use it more consistently in examples | 14:17 |
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mdbooth | In general, putting technical measures in place to prevent operators from doing things tends to lead to bad places. | 14:17 |
PaulMurray | like "sometime a cloud provider needs to bin a host - lets give him a way to get the vms of first - for this we use live migration" | 14:18 |
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PaulMurray | and by cloud provider I mean a guy who has built a data centre in his garage and has real motivations that people relate to | 14:19 |
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bauzas | PaulMurray: okay, I think I got your idea of describing use cases rather than API resources or actions | 14:21 |
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bauzas | PaulMurray: since I'm very bad at English-speaking, I can't really explain why that specific sentence worries me "Resizing a server is not normally a choice that is available to the cloud operator because it changes the nature of the server being provided to the user" | 14:23 |
PaulMurray | bauzas, that sentence you pointed out is probably a bit strong. Would it seem better if it said something like | 14:23 |
bauzas | PaulMurray: maybe because it uses the present tense | 14:23 |
bauzas | while it should use the conditional | 14:24 |
johnthetubaguy | bauzas: PaulMurray: if you read that in the context of my final change, I think it sits much better | 14:24 |
bauzas | johnthetubaguy: I'm right in front of your change :) | 14:24 |
johnthetubaguy | bauzas: PaulMurray: I found that much easer to read once you put migration first, then have resize after that | 14:24 |
PaulMurray | johnthetubaguy, yes, I agree, that's why I think we're over thinking this | 14:24 |
jaypipes | zzzeek: would you mind taking a look over https://review.openstack.org/#/c/248805/? I had a bunch of comments on the first in the patchset and snikitin has addressed them now. Just want to double-check my SQL-fu with you :) | 14:24 |
bauzas | PaulMurray: probably | 14:25 |
bauzas | PaulMurray: I mean, I don't want to nitpick more than 30 mins on that | 14:25 |
PaulMurray | johnthetubaguy, but I am still bothered that bauzas got stuck on it because it means it might not convey what we really want to say | 14:25 |
PaulMurray | johnthetubaguy, personally I think its fine | 14:26 |
johnthetubaguy | PaulMurray: yeah, its not quite right yet, but its a thing that still worth saying, if we can get it right | 14:26 |
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bauzas | so, I'm the only guy who is a bit worried about that | 14:26 |
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bauzas | we can land that and see if others complain | 14:26 |
johnthetubaguy | so it concerned my, but it felt better after this one: https://review.openstack.org/#/c/249331/ | 14:26 |
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lxsli | my $0.02: it feels weird to say the choice is unavailable, when we should say it's not a thing a cloud operator wants to do | 14:26 |
PaulMurray | maybe "its not normally a choice..." is wrong, maybe something like "A cloud operator wouldn't normally...." | 14:27 |
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lxsli | PaulMurray: +1 | 14:27 |
johnthetubaguy | PaulMurray: that does sound better actually | 14:27 |
bauzas | agreed | 14:27 |
johnthetubaguy | bauzas: PaulMurray: I added a new change to define some standard users we can use throughout the doc: https://review.openstack.org/#/c/249812/1/api-guide/source/users.rst,cm | 14:28 |
johnthetubaguy | not sure I like the list yet, but its a start | 14:28 |
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PaulMurray | bauzas, I think https://review.openstack.org/#/c/249758/1/api-guide/source/index.rst isn't really needed | 14:29 |
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PaulMurray | the bit about RBAC could go into the paragraph on L#20 though | 14:29 |
bauzas | PaulMurray: fair enough, if we leave some hint that all of that is just configurable for matching personas, like johnthetubaguy began to mention | 14:30 |
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PaulMurray | bauzas, johnthetubaguy do we have a bit about policy in there - or a reference to another doc that discusses it? | 14:30 |
PaulMurray | I mean somewhere in the api docs in general | 14:31 |
johnthetubaguy | PaulMurray: I was thinking about the folks who are looking for the Admin API docs | 14:31 |
johnthetubaguy | PaulMurray: folks seem to assume that would be a separate API | 14:31 |
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PaulMurray | johnthetubaguy, we could explain that we used to have lots of APIs but then we decided to squash them all together and put a really small incrementing version number on them so you could get absolutely anything depending on the time of the week | 14:32 |
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edleafe | PaulMurray: "a cloud operator wouldn't normally... *because*..." | 14:32 |
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PaulMurray | joke :) | 14:32 |
PaulMurray | edleafe, the because is already in the sentence, but yes that's right. | 14:33 |
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PaulMurray | Shelving a server is not normally a choice that is available to | 14:34 |
PaulMurray | the cloud operator because it affects the availability of the server | 14:34 |
PaulMurray | being provided to the user. | 14:34 |
edleafe | PaulMurray: yeah, just wanted to clarify why the second form you had sounded better. | 14:35 |
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edleafe | PaulMurray: saying it's not a choice sounds, well, a little mean :) | 14:35 |
lxsli | it misses the point: it's undesirable not impossible | 14:36 |
PaulMurray | edleafe, I think its because the first form implies the operator can't do it - which he certainly can. Its just he wouldn't | 14:36 |
PaulMurray | lxsli, right | 14:36 |
edleafe | PaulMurray: exactly | 14:36 |
johnthetubaguy | PaulMurray :p | 14:36 |
openstackgerrit | Matthew Booth proposed openstack/nova-specs: Add detail to libvirt-storage-pools https://review.openstack.org/248705 | 14:36 |
* PaulMurray once delete a server that was called ARCHIVE by mistake | 14:37 | |
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* PaulMurray was acting as an admin at the time | 14:37 | |
johnthetubaguy | I am thinking we could really do with some folks from the doc team helping review our guide... | 14:38 |
bauzas | johnthetubaguy: PaulMurray: FWIW, I +2d https://review.openstack.org/#/c/249321/4 because there are still lots of things to consider | 14:38 |
bauzas | and I would prefer a more iterative approach | 14:38 |
bauzas | for docs I mean | 14:38 |
edleafe | bauzas: +1 for iterating on docs | 14:39 |
johnthetubaguy | bauzas: yeah, we have to do that | 14:39 |
bauzas | johnthetubaguy: and I feel that would help the docs team if they are willing to review that doc | 14:39 |
mdbooth | +1 it's an excellent doc, and immediately useful. | 14:39 |
johnthetubaguy | bauzas: as long as we don't merge something thats plain wrong, I am OK with a bit miss-leading, or hard to understand in a baby step | 14:39 |
bauzas | exactly | 14:39 |
lxsli | misleading :p | 14:39 |
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johnthetubaguy | lxsli: lol | 14:39 |
johnthetubaguy | PS... I can't write decent prose, even if my life depended on it! | 14:40 |
johnthetubaguy | one day, maybe | 14:40 |
lxsli | yeah when alex asked you to review some English yesterday I held myself back from an exclamation | 14:41 |
johnthetubaguy | :) | 14:41 |
edleafe | lxsli: it's all relative :) | 14:42 |
PaulMurray | lxsli, but it would have been a perfectly correct exclamation I'm sure | 14:42 |
lxsli | Indeed, quite | 14:42 |
* PaulMurray just realised he has a job to no..... | 14:43 | |
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PaulMurray | so even ! argh | 14:43 |
PaulMurray | no DO!! | 14:43 |
johnthetubaguy | its catching | 14:43 |
lxsli | I have a nice collaboration with an extremely smart and dyslexic person here in Bristol | 14:45 |
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lxsli | He understands problems, I fix his syntax and commit messages :) | 14:46 |
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johnthetubaguy | I do love gerrit for that :) | 14:46 |
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edleafe | johnthetubaguy: I have to restrain myself when reviewing on Gerrit. I worked as an editor in a former life. :) | 14:48 |
mdbooth | Trying to understand our rpc layer. Can anybody explain this to me: | 14:49 |
mdbooth | https://github.com/openstack/nova/blob/master/nova/compute/rpcapi.py#L587-L588 | 14:49 |
baffle | PaulMurray: Well. Usecase: "Customer A is not paying their bills, and we can't get hold of any of the contacts. They are 2 months overdue. Let's shelve all their servers and disable their login and see if something happens." | 14:49 |
johnthetubaguy | mdbooth: have you read dansmith's upgrade blog post? let me find the link | 14:49 |
mdbooth | Seems to be saying that if the other end doesn't support version 4.2, we just bump it back to 4.0 but otherwise do nothing? | 14:49 |
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johnthetubaguy | mdbooth: http://www.danplanet.com/blog/2015/10/05/upgrades-in-nova-rpc-apis/ | 14:50 |
dansmith | mdbooth: that's a bad example | 14:50 |
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johnthetubaguy | dansmith: oh, thats the dodgy one | 14:51 |
dansmith | mdbooth: actually, that's a bug I think | 14:51 |
mdbooth | dansmith: Heh, sorry :) | 14:51 |
* mdbooth looks elsewhere | 14:51 | |
johnthetubaguy | good point, it should be dropping an arg that was added | 14:51 |
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dansmith | mdbooth: inside that 4.0 block we should pop migration out of args | 14:51 |
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johnthetubaguy | That looks better: https://github.com/openstack/nova/blob/master/nova/compute/rpcapi.py#L659 | 14:52 |
openstackgerrit | Petrut Lucian proposed openstack/nova: Hyper-V: removes *Utils modules and unit tests https://review.openstack.org/215917 | 14:52 |
mdbooth | dansmith: Incidentally, +1 to futurama references in blog posts | 14:52 |
dansmith | jej | 14:53 |
dansmith | er, heh | 14:53 |
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bauzas | alaski: just in case you're still a bit at work, you happy with me respinning https://review.openstack.org/#/c/211753/38/nova/objects/request_spec.py,cm based on jaypipes's comment? | 14:54 |
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Fdaisuke | johnthetubaguy: Hi, | 14:55 |
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johnthetubaguy | Fdaisuke: hi | 14:55 |
Fdaisuke | johnthetubaguy: May I ask about https://etherpad.openstack.org/p/mitaka-nova-spec-review-tracking/ ? | 14:55 |
johnthetubaguy | Fdaisuke: yes | 14:56 |
Fdaisuke | Thanks. I'm concerned about the https://review.openstack.org/211101 of ironic in "Things blocking the work of other projects" section. | 14:57 |
Fdaisuke | Almost other specs in "Things blocking the work of other projects" are reviewed by core-members of Nova. | 14:57 |
openstackgerrit | Alexis Lee proposed openstack/nova: Add FK bw_usage_cache.uuid -> instances.uuid https://review.openstack.org/248780 | 14:57 |
Fdaisuke | but that spec has not yet been reviewed by core-members of Nova. | 14:57 |
Fdaisuke | By Dec 3 of the Nova spec freeze, is it possible to review this spec preferentially? | 14:58 |
jroll | Fdaisuke: to be fair, the ironic spec hasn't even landed yet | 14:58 |
jroll | https://review.openstack.org/#/c/200496/ | 14:58 |
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johnthetubaguy | unfortunately we have just under 100 specs in review right now | 14:58 |
johnthetubaguy | I would focus on getting ironic folks, and team member to review that spec right now | 14:59 |
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johnthetubaguy | thats likely to give it the best chance to land | 14:59 |
jroll | and that isn't on ironic's priority list for this cycle, and is a large amount of work. even if we merged both of those specs today, I'd be skeptical that work gets done before nova FF | 14:59 |
johnthetubaguy | jroll: yeah, thats a good point | 14:59 |
openstackgerrit | sahid proposed openstack/nova: libvirt: introduce freeze filesystems https://review.openstack.org/249140 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: introduce thaw filesystems https://review.openstack.org/249141 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: replace direct libvirt's call AbortJobBlock https://review.openstack.org/249138 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: move find_disk to Guest's object https://review.openstack.org/249139 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: remove todo note not useful anymore https://review.openstack.org/249137 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: introduce "snapshot" to Guest's object https://review.openstack.org/249353 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: introduce "shutdown" to Guest's object https://review.openstack.org/249833 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: introduce "pause" to Guest's object https://review.openstack.org/249834 | 15:00 |
openstackgerrit | sahid proposed openstack/nova: libvirt: wrapper list_instance_guests to Host's object https://review.openstack.org/249835 | 15:00 |
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openstackgerrit | John Garbutt proposed openstack/nova: Add a summary of the architecture evolution work https://review.openstack.org/200001 | 15:02 |
Fdaisuke | johnthetubaguy: jroll: Thank you for your informations :) | 15:03 |
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mdbooth | dansmith: Great blog post, thanks. | 15:04 |
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dansmith | mdbooth: thanks | 15:05 |
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ndipanov | johnthetubaguy, hey - would be awesome if you could take a look at this - I know it's not a favorite area but it has had reviews from all the people who work on that code and I posted it so can't +2 it | 15:06 |
ndipanov | johnthetubaguy, https://review.openstack.org/229574 | 15:07 |
ndipanov | it's blocking this work https://blueprints.launchpad.net/openstack/?searchtext=virt-driver-cpu-thread-pinning | 15:08 |
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johnthetubaguy | ndipanov: honestly, I am unlikely to get to that before we are past spec freeze, I did take a quick look a weeks ago or so, and I wasn't 100% sure what I would be approving without have a good dig into that | 15:09 |
jroll | Fdaisuke: I left some comments for you, though, because I got curious and decided to read | 15:09 |
ndipanov | johnthetubaguy, fair enough | 15:10 |
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edleafe | markus_z: around? Would appreciate your feedback on https://review.openstack.org/#/c/247181 | 15:10 |
ndipanov | will try to get jaypipes to look at it as he is the only other person on core familiar with it... but failing that - you're my only hope :) | 15:10 |
markus_z | edleafe: jepp, I'm here, I need 10min. then I'm going to take a look | 15:11 |
edleafe | markus_z: sure, no rush | 15:11 |
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ndipanov | khm jaypipes :) | 15:13 |
alaski | bauzas: sure, respin if you'd like. I am not likely to be around much today | 15:13 |
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Fdaisuke | jroll: Thank you. It's very kind of you! | 15:14 |
openstackgerrit | Matthew Booth proposed openstack/nova-specs: Add detail to libvirt-storage-pools https://review.openstack.org/248705 | 15:14 |
dane-fichter | Anyone have any guesses for why I can't instantiate the libvirt driver in a functional test? Even when attempting it the same way it's done in the unit tests? | 15:14 |
mdbooth | danpb: Incidentally, I totally bailed on defining a locking implementation: ^^^ | 15:14 |
mdbooth | I don't want to get bogged down with it, so I simply asserted that it exists, and we'd use it | 15:15 |
jroll | Fdaisuke: welcome :) | 15:15 |
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mdbooth | Of course, at some point somebody will have to not bail on that | 15:16 |
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bauzas | alaski: ack, enjoy family time | 15:18 |
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lxsli | edleafe: putting some comments on the scheduler options help | 15:33 |
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openstackgerrit | Dan Smith proposed openstack/nova: Actually pass the migration data object down to the virt drivers https://review.openstack.org/248211 | 15:33 |
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openstackgerrit | Stephen Finucane proposed openstack/nova-specs: Rework policies for virt-driver CPU thread pinning https://review.openstack.org/244198 | 15:36 |
edleafe | lxsli: thx | 15:37 |
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lxsli | edleafe: wait until you see them ;) | 15:44 |
edleafe | lxsli: it's all good! | 15:45 |
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openstackgerrit | Mike Fedosin proposed openstack/nova: Remove version hardcoding for 'show' method https://review.openstack.org/228578 | 15:48 |
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zzzeek | jaypipes: commented...seems wrongish to me unless I'm totalyl missing the big picture | 15:54 |
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lxsli | johnthetubaguy: is the CachingScheduler ever worth using? | 16:00 |
johnthetubaguy | lxsli: I would always use, myself, but I would say that | 16:01 |
lxsli | johnthetubaguy: ok good to know! | 16:01 |
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johnthetubaguy | the downside is slight increase in 'background' DB load | 16:01 |
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lxsli | is this accurate? | 16:01 |
lxsli | which aggressively | 16:01 |
lxsli | caches the system state for better individual scheduler performance at | 16:01 |
lxsli | the risk of more retries when running multiple schedulers. | 16:01 |
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johnthetubaguy | yes, I think thats correct | 16:01 |
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lxsli | awesome thanks | 16:02 |
johnthetubaguy | we just one scheduler (at any one time) per cell | 16:02 |
johnthetubaguy | lxsli: it kinda works by accident, because of how we stop races when request multiple builds | 16:02 |
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johnthetubaguy | lxsli: this is the key bit: https://github.com/openstack/nova/blob/master/nova/scheduler/filter_scheduler.py#L160 | 16:03 |
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rpodolyaka | could someone review https://review.openstack.org/#/c/247552/ , please? | 16:14 |
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openstackgerrit | Balazs Gibizer proposed openstack/nova: Add infra for versioned notifications https://review.openstack.org/247024 | 16:17 |
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johnthetubaguy | rpodolyaka: the priority is not set on that bug, moved it to high so it gets more attention | 16:20 |
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openstackgerrit | Balazs Gibizer proposed openstack/nova: Add infra for versioned notifications https://review.openstack.org/247024 | 16:26 |
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rpodolyaka | johnthetubaguy: thanks! yeah, it's kind of annoying and reproduced easily on deployments | 16:32 |
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johnthetubaguy | rpodolyaka: agreed | 16:33 |
johnthetubaguy | rpodolyaka: I think we should backport this to liberty, once its merged | 16:34 |
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johnthetubaguy | rpodolyaka: added a few comments, not sure about some of that | 16:38 |
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johnthetubaguy | rpodolyaka: your fix works, but I think we loose some of the original good intent around that fix up patch that caused the regression | 16:39 |
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markus_z | edleafe: I'm somewhere in the middle and it's excellent so far! A technical question: What's the use case for isolated images/hosts? I though we could do that with a HostAggregateFilter? | 16:41 |
openstackgerrit | dstepanenko proposed openstack/nova: WIP: This is 3rd part of changes according to pci-generate-stats blueprint. https://review.openstack.org/247692 | 16:42 |
edleafe | markus_z: it restricts images to only be built on specific hosts. I suppose aggregates could accomplish part of that | 16:42 |
lxsli | markus_z: this seems like an unfortunate legacy artefact | 16:42 |
lxsli | markus_z: you'll get to aggregate_image_properties_isolation_namespace soon | 16:43 |
paul-carlton2 | mdbooth: danbp: What is the best way to create a Linux system running libvirt 0.10.2 (mitaka min version) so I can develop/test storage pools implementation | 16:43 |
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edleafe | markus_z: I had forgotten all about it until I started writing that help section ;-) | 16:43 |
rpodolyaka | johnthetubaguy: I don't really like it either, but I can't think of something better :( | 16:43 |
lxsli | maybe there's some technical difference but while I was reading about isolated_hosts I was thinking "shouldn't the host list be an aggregate?" | 16:43 |
rpodolyaka | johnthetubaguy: thank you for the review! I'll take a look at your comments | 16:44 |
johnthetubaguy | rpodolyaka: put in some ideas, I think its super, super close | 16:44 |
edleafe | lxsli: probably, but, y'know, let's have 10 ways to do something! | 16:44 |
paul-carlton2 | mdbooth: mentioned Fedora the other day, I tried Debian Jessie but was told wheezy was better bet? | 16:44 |
mdbooth | paul-carlton2: Well Fedora is good if you want to run modern libvirt/qemu | 16:45 |
markus_z | lxsli: edleafe: yeah, I think I'm going to make a note in the etherpad that these "isolated" options should be re-evaluated later. | 16:45 |
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johnthetubaguy | markus_z: edleafe: lxsli: sounds like we might want to deprecate that one | 16:45 |
lxsli | edleafe: awesome work by the way | 16:45 |
mdbooth | paul-carlton2: I'd be inclined to focus on an old distro that users are actually using. What's the source of the 0.10.2 requirement? | 16:46 |
edleafe | johnthetubaguy: I love how there are separate options for the namespace *and* the separator. | 16:46 |
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markus_z | johnthetubaguy: I thing they are good candidates, yes. A follow up patch maybe, when we have the bigger picture. | 16:47 |
johnthetubaguy | markus_z: yeah, sounds almost worth a TODO: this seems crazy | 16:47 |
edleafe | markus_z: I did have a few WTF moments reading through that code. | 16:47 |
mdbooth | paul-carlton2: Incidentally, I was looking through the old libvirt storage pool implementation to see what it did about locking. AFAICT, it does nothing about locking, and assumes a filesystem based storage pool. | 16:47 |
mdbooth | paul-carlton2: In other words, I'm not sure how useful it is. | 16:47 |
sbezverk | Hi, I am looking for folks who worked or working on numatopology filter. I suspect I hit a bug, need to discuss.. | 16:48 |
markus_z | edleafe: I can just imagine :) I'm going to start the libvirt options tomorrow, can't wait to see it :) | 16:48 |
edleafe | sbezverk: ndipanov would be a good person to discuss that with | 16:48 |
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sbezverk | edleafe: Thank you | 16:49 |
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johnthetubaguy | mdbooth: paul-carlton2: quick thought about that, can we just designate one of the compute nodes to "own" the shared storage, for the first attempt? or does that just make things more complicated? (i.e. using "static" leader election) | 16:49 |
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ndipanov | sbezverk, what | 16:50 |
ndipanov | happened? | 16:50 |
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mdbooth | johnthetubaguy: That would be a solution to distributed locking. It would be pretty complicated in itself though, I think. | 16:50 |
mdbooth | We'd need a remote locking rpc call, and recovery mechanism, for eg | 16:51 |
sbezverk | ndipanov: Here is the bug I filed: https://bugs.launchpad.net/nova/+bug/1519878 | 16:51 |
openstack | Launchpad bug 1519878 in OpenStack Compute (nova) "numatopology filter incorrectly returns no resources" [Undecided,New] | 16:51 |
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johnthetubaguy | mdbooth: its basically what we do with most things right now, use a local lock on the compute node, but yeah, over RPC does complicate it somewhat | 16:51 |
mdbooth | As well as a mechanism to discover who the leader is. | 16:52 |
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johnthetubaguy | mdbooth: I was thinking nova.conf for the later | 16:52 |
mdbooth | We'd need to define it per shared-storage | 16:52 |
johnthetubaguy | mdbooth: but like you say, maybe its not enough of a simplification to be worth the effort | 16:52 |
ndipanov | sbezverk, wow thanks for a detailed bug report | 16:53 |
johnthetubaguy | mdbooth: we only deal with one set of shared-storage right now though, AFAIK? | 16:53 |
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mdbooth | Ideally libvirt would have something atomic/locking in the storage pool api. It's not there, though, so I think we're going to have to lose some abstraction. | 16:53 |
sbezverk | ndipanov: I hope it is not sarcasm ;-) | 16:53 |
mdbooth | My initial thoughts were that we'd support certain storage pool backends explicitly, and implement our own locking based on that. | 16:53 |
mdbooth | yeah, that sucks, but at least we don't have to implement everything | 16:54 |
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ndipanov | sbezverk, no it's not at all | 16:54 |
mdbooth | The first implementation could be filesystem only | 16:54 |
johnthetubaguy | mdbooth: ah, gotcha, assuming some atomic property of the storage pool, like directory names, or something? | 16:54 |
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mdbooth | Yeah, doesn't matter what it is, but if there's any atomic operation at all you can normally bend it to make a safe protocol | 16:54 |
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johnthetubaguy | yeah | 16:55 |
ndipanov | so looking at the attached file outlineing the state of hosts numa_topology | 16:55 |
ndipanov | sbezverk, you seem to start out with some of the CPUs in pinned state | 16:55 |
mdbooth | I think if we can define atomic operations on directory, nfs, rbd, lvm we'll have covered pretty much all users | 16:56 |
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mdbooth | And as a bonus, directory and nfs would probably have the same implementation | 16:56 |
sbezverk | ndipanov: Forgot to paste initial snapshot. | 16:56 |
johnthetubaguy | mdbooth: honestly, if you do ceph and nfs, we have basically got 99% of folks right? | 16:56 |
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mdbooth | Right | 16:56 |
ndipanov | sbezverk, actually 8 cpus on the first numa node | 16:56 |
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ndipanov | "pinned_cpus": [4, 5, 6, 7, 8, 9, 10, 11] | 16:57 |
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johnthetubaguy | mdbooth: I do worry we end up implementing cinder, if we are not careful. | 16:57 |
dansmith | johnthetubaguy: this trivial patch is holding up a backport of itself, which is holding up constraints work on liberty: https://review.openstack.org/#/c/248875/ | 16:58 |
dansmith | bauzas: ^ | 16:58 |
sbezverk | ndipanov: That is correct first instance took 8vcpu 2nd and 3rd 4 vCPus each | 16:58 |
ndipanov | why is that? | 16:59 |
openstackgerrit | ShaoHe Feng proposed openstack/nova-specs: Attach/detach SR-IOV interface https://review.openstack.org/139910 | 16:59 |
mdbooth | johnthetubaguy: I hear sighs every time I start talking about robustness in detail, but I really think it's necessary. | 17:00 |
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mdbooth | Also, if you push the locking out to leaves you can do it without impacting scalability. | 17:01 |
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edleafe | lxsli: "just one or two issues"? :D | 17:02 |
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mdbooth | So locking on the actual storage you're using, rather than in the db, is both safer and more scalable. | 17:02 |
edleafe | lxsli: seriously, though - thanks for taking the time to go over all that. | 17:02 |
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johnthetubaguy | mdbooth: yeah, it sure shouldn't be in the DB for this stuff | 17:02 |
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mdbooth | danpb: You were right, btw. The rbd driver currently doesn't do any locking in the image cache. | 17:07 |
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dansmith | BobBall: this might be ready for you to find out all the ways it breaks xen now :) https://review.openstack.org/#/c/248211/ | 17:12 |
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lxsli | edleafe: XD | 17:14 |
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paul-carlton1 | mdbooth 0.10.2 is minimum version of libvirt supported in Mitaka, so whatever we do has to work on that | 17:14 |
lxsli | edleafe: thanks for writing so much doc in the first place! | 17:14 |
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mdbooth | paul-carlton1: Right, but presumably that's not arbitrary. I'm guessing it's that way because some users are using distro X, which only has this really old version. | 17:14 |
mdbooth | Might be easier to find out what distro X is, and just use it. | 17:15 |
openstackgerrit | Dmitry Guryanov proposed openstack/nova: libvirt: workaround for vzstorage volume driver https://review.openstack.org/249922 | 17:15 |
mdbooth | paul-carlton1: sdague might know? ^^^ | 17:15 |
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paul-carlton1 | ok, I'll ping him Monday, when they all get back from stuffing themselves silly! | 17:16 |
* mdbooth wonders what centos 6 includes | 17:17 | |
openstackgerrit | Radoslav Gerganov proposed openstack/nova: VMware: Use datastore copy when the image is already in vSphere https://review.openstack.org/186716 | 17:17 |
dansmith | it's probably precise | 17:17 |
dansmith | trusty has 1.2.2 | 17:17 |
dansmith | no, precise is 0.9.8 | 17:18 |
dansmith | so I dunno what 0.10.2 is from | 17:18 |
paul-carlton1 | My tame Linux engineer has just pinged me he almost has 0.10.2 built and deployed on debian wheezy | 17:19 |
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mdbooth | paul-carlton1: Build it yourself is always an option :) | 17:19 |
mdbooth | paul-carlton1: However, you're then looking at potential issues with old qemu too. | 17:19 |
paul-carlton1 | I assumed for this work qemu was not an issue, but I appreciate that might be a dodgy assumption! | 17:20 |
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mdbooth | paul-carlton1: Also old ssh, old rsync, old sasl, old rbd | 17:22 |
mdbooth | It turns out that there are quite a lot of relevant parts of a system which aren't in python :/ | 17:22 |
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paul-carlton1 | indeed, I don't see any indication of what our minimum version for qemu is | 17:23 |
paul-carlton1 | I'm just thinking about the use libvirt storage pools with respect to support for the minimum version | 17:24 |
mdbooth | I thinking going for the oldest distro is a pragmatic approach | 17:24 |
mdbooth | Then you get a packaged unit of oldness :) | 17:24 |
paul-carlton1 | For the storage pool based cold migrate we can reasonably require more recent distro since the status quo will still work, i.e. rysnc | 17:25 |
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mdbooth | paul-carlton1: centos 6 has libvirt 0.10.2 | 17:27 |
mdbooth | Might be simpler just to target centos 6 | 17:28 |
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paul-carlton1 | bingo, will use that as my baseline test | 17:28 |
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mdbooth | paul-carlton1: Except that centos 6 includes python 2.6 iirc | 17:29 |
mdbooth | which we don't support | 17:29 |
paul-carlton1 | Also debian wheezy with source build my co-worker has built | 17:29 |
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mdbooth | paul-carlton1: Yeah, scratch centos 6. You'd have to upgrade python. | 17:29 |
mdbooth | Not worth it. | 17:29 |
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mdbooth | Also, not even RH supports recent OSP on RHEL 6. | 17:30 |
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paul-carlton1 | The problem with the use libvirt pools implementation is that is planned to be the default so has to work for everything that currently works, nfs, ceh rbd | 17:30 |
paul-carlton1 | so focus on debian wheezy? | 17:30 |
mdbooth | What's the shipped libvirt in wheezy? | 17:31 |
paul-carlton1 | recent OSP? | 17:31 |
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mdbooth | RH's openstack | 17:31 |
paul-carlton1 | not sure | 17:31 |
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paul-carlton1 | 0.9.12 | 17:32 |
paul-carlton1 | ta | 17:32 |
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mdbooth | Ah, so this is wheezy with upgraded libvirt | 17:32 |
mdbooth | I guess that would probably be a lcd | 17:32 |
paul-carlton1 | yep, my man has been building from source | 17:32 |
paul-carlton1 | lcd? | 17:32 |
mdbooth | lowest common denominator | 17:32 |
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mdbooth | paul-carlton1: What python does wheezy include? | 17:33 |
paul-carlton1 | to be honest I'd be happy with debian wheezy as is with 0.9.12 since if it works there it will work on 0.10.2 | 17:33 |
mdbooth | 2.7 | 17:34 |
paul-carlton1 | no idea, will need to check, what do we require? | 17:34 |
mdbooth | https://packages.debian.org/wheezy/python | 17:34 |
mdbooth | We require 2.7 | 17:34 |
paul-carlton1 | 2.7! | 17:34 |
paul-carlton1 | is in wheezy | 17:34 |
* mdbooth notes that he hasn't installed Debian since 1996 | 17:35 | |
paul-carlton1 | Before the internet! | 17:36 |
mdbooth | From floppy disk sets :) | 17:36 |
openstackgerrit | Ed Leafe proposed openstack/nova: Docs: update the concept guide for Host topics https://review.openstack.org/249943 | 17:36 |
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mdbooth | Hmm, maybe 97 | 17:37 |
mdbooth | It's hazy | 17:37 |
paul-carlton1 | I remember those days, first job in IT was to write a paper tape driver for a DEC PDP 11/70 running system III UNIX! | 17:38 |
paul-carlton1 | 1979! | 17:38 |
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mdbooth | paul-carlton1: You win :) | 17:38 |
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BobBall | dansmith: Awesome - will have to wait till tomorrow though :/ | 17:38 |
dansmith | BobBall: no problem, I'm on turkey brain anyway | 17:39 |
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BobBall | Presume you mean for me to test the end of the chain | 17:39 |
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BobBall | oh - my bad | 17:40 |
BobBall | Can I use the turkey brain excuse too? Even though I'm in UK? | 17:40 |
dansmith | BobBall: sure :) | 17:40 |
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BobBall | awesome! | 17:41 |
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openstackgerrit | Tracy Jones proposed openstack/nova: config options: centralize section "guestfs" https://review.openstack.org/248963 | 17:45 |
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markus_z | edleafe: I'm really grateful for your great work with the options! It's awesome. | 17:48 |
edleafe | markus_z: thanks! | 17:48 |
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markus_z | Have a great turkey day tomorrow! | 17:49 |
edleafe | markus_z: for me it's veggie day. Not a fan of turkey :) | 17:49 |
tjones | hi markus_z and edleafe. i've updated the patch on guestfs. just doing this one to learn and will continue taking others | 17:52 |
openstackgerrit | Markus Zoeller (markus_z) proposed openstack/nova: config options: add hacking check for help text length https://review.openstack.org/242078 | 17:52 |
openstackgerrit | Markus Zoeller (markus_z) proposed openstack/nova: add hacking check for config options location https://review.openstack.org/249947 | 17:52 |
markus_z | tjones: Yes, I've seen your last patch set, this one should pass the tests. Thanks for your effort! | 17:53 |
markus_z | tjones: If you have any questions, just ping me. | 17:53 |
tjones | markus_z: should i add a TODO about the help text? | 17:55 |
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markus_z | tjones: Yes, that's fair. The following patch should then be based on this one to see the dependency. | 17:56 |
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mdbooth | Oh... imagebackend.Image.cache() doesn't put anything in the image cache | 18:03 |
mdbooth | That's... unexpected | 18:03 |
mdbooth | Or does it? | 18:04 |
mdbooth | Ah, it might | 18:04 |
markus_z | expect the unexpected :D | 18:04 |
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* mdbooth wonders why the libvirt driver caches ephemeral disks, then | 18:06 | |
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johnthetubaguy | mdbooth: is that for the filesystem create cost? certainly was true with ext3 I think | 18:06 |
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johnthetubaguy | although, not sure we do that any more... | 18:07 |
mdbooth | johnthetubaguy: Yeah, I saw that. It's weird that Nova would put a filesystem on an ephemeral disk. | 18:07 |
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openstackgerrit | Roman Podoliaka proposed openstack/nova: servicegroup: ensure state reporting thread does not die prematurely https://review.openstack.org/247552 | 18:13 |
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openstackgerrit | garyk proposed openstack/nova: Neutron: configure requested amount of fixed_ips https://review.openstack.org/163864 | 18:18 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'CPUThreadAllocationPolicy' enum field https://review.openstack.org/202647 | 18:54 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'cpu_policy' and 'cpu_thread_policy' fields https://review.openstack.org/202648 | 18:54 |
openstackgerrit | Stephen Finucane proposed openstack/nova: trivial: Add some logs to 'numa_topology_filter' https://review.openstack.org/202650 | 18:54 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'hw:cpu_thread_policy=require' scheduling https://review.openstack.org/202651 | 18:54 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'CPUThreadAllocationPolicy' enum field https://review.openstack.org/202647 | 19:17 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'cpu_policy' and 'cpu_thread_policy' fields https://review.openstack.org/202648 | 19:17 |
openstackgerrit | Stephen Finucane proposed openstack/nova: trivial: Add some logs to 'numa_topology_filter' https://review.openstack.org/202650 | 19:17 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'hw:cpu_thread_policy=require' scheduling https://review.openstack.org/202651 | 19:17 |
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sfinucan | ndipanov: Got a moment? | 19:19 |
ndipanov | sfinucan, yeah | 19:20 |
ndipanov | may need to drop off though | 19:20 |
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sfinucan | ndipanov: sweet. I'll be quick | 19:20 |
sfinucan | so I want to rebase CPU thread pinning onto this https://review.openstack.org/#/c/229575/ | 19:20 |
sfinucan | and use your fixed 'prefer' | 19:20 |
ndipanov | sfinucan, yeah please | 19:21 |
sfinucan | but that commit is quite old and is missing stuff I need (like Instance v2.0 by Dan) | 19:21 |
ndipanov | let me guess | 19:21 |
ndipanov | yeah | 19:21 |
ndipanov | saw that today | 19:21 |
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ndipanov | actually I can rebase it now | 19:21 |
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ndipanov | I won't lose the +2s I have | 19:21 |
sfinucan | Perfect | 19:21 |
ndipanov | not sure why I didn't do it this morning | 19:21 |
ndipanov | coming up | 19:21 |
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sfinucan | On that note, any idea if the other +2 is likely to happen any time soon? :) | 19:22 |
openstackgerrit | Nikola Dipanov proposed openstack/nova: hardware: stop using instance cell topology in CPU pinning logic https://review.openstack.org/229574 | 19:22 |
openstackgerrit | Nikola Dipanov proposed openstack/nova: Fix CPU pinning for odd number of CPUs w hyperthreading https://review.openstack.org/229575 | 19:22 |
ndipanov | sfinucan, sadly no - I pinged johnthetubaguy about it and he's busy, and no one other than danpb and jaypipes really knows that code | 19:23 |
ndipanov | but I'll keep trying :) | 19:23 |
openstackgerrit | ShaoHe Feng proposed openstack/nova-specs: Attach/detach SR-IOV interface https://review.openstack.org/139910 | 19:23 |
ndipanov | if you can go back and give an informed +1 - as in | 19:23 |
ndipanov | explain why you agree with me that it's a good idea in case I missed a way to make it clear | 19:24 |
ndipanov | that would be helpful for people reviewing it that are not _that_ familiar with the code | 19:24 |
sfinucan | ndipanov: That's unfortunate. I'll review once again myself and maybe check coverage to be sure | 19:24 |
sfinucan | Ah yeah, no problem | 19:24 |
sfinucan | would appreciate it if you could do same (at least for the spec) ;) | 19:24 |
ndipanov | what spec? | 19:25 |
ndipanov | I thought it was merged... | 19:25 |
sfinucan | rework, per comments on the code | 19:25 |
sfinucan | https://review.openstack.org/#/c/244198/6 | 19:25 |
sfinucan | sorry - I should have tagged you. I tagged danpb | 19:25 |
ndipanov | sfinucan, so I don't think you need to land this before we can land the code | 19:25 |
ndipanov | it would be good to land it eventually | 19:26 |
ndipanov | but the BP is approved so just go ahead and hack on it | 19:26 |
ndipanov | and we'll review this once the code is ready | 19:26 |
sfinucan | ndipanov: No? I thought specs were a requirement. That's good to know, if true | 19:26 |
ndipanov | well they are but yours is merged, right? | 19:26 |
sfinucan | Yeah, but these are pretty substantial changes | 19:27 |
ndipanov | specs should validate the existence of a problem and the approach to fixing it, not the implementation itself | 19:27 |
ndipanov | well that's life | 19:27 |
sfinucan | OK, nice :) | 19:27 |
sfinucan | Should have that rebase done soon enough so. Review when you can (I'm off until Monday anyway) | 19:27 |
ndipanov | right drivers who are on at this time johnthetubaguy dansmith ^ | 19:27 |
openstackgerrit | Vladik Romanovsky proposed openstack/nova-specs: Enable SR-IOV physical functions assignment with Neutron port https://review.openstack.org/239875 | 19:27 |
sfinucan | and I'll do that review | 19:28 |
ndipanov | sfinucan, thanks | 19:28 |
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cburgess | dansmith *ping* | 19:35 |
dansmith | cburgess: ohai | 19:35 |
cburgess | OHAI | 19:35 |
cburgess | So... I don't actually need you per se but I need the opinion of a core on bug or spec. So I picked on you and shall allow you to say not fair ask someone else before I bug you further. | 19:36 |
dansmith | I will reserve comment until you lay your cards on the table.. | 19:37 |
cburgess | dansmith Fair enough. | 19:37 |
dansmith | I'm like a fountain of opinions, you know. | 19:37 |
cburgess | So we have this option called libvirt.disk_cachemodes. The idea here is that you can specify a driver and its cache mode. So for instance something like... 'network=writeback' | 19:38 |
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cburgess | This causes the network disk driver to use writeback as the caching strategy. | 19:38 |
cburgess | Relevant code... | 19:38 |
cburgess | https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L462-L482 | 19:38 |
cburgess | So this is all well and good but.... | 19:38 |
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cburgess | The network disk driver supports multiple types of devices. For instance iscsi RBD. | 19:39 |
dansmith | yeah, I was going to ask what is covered by network | 19:40 |
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cburgess | So the problem is this. You pretty much *must* use a cache mode of writeback with RBD. Otherwise your performance is measured in the 1s of IOPS. But if you enable writeback cache for any driver *other* then RBD libvirt tells you it can't do a live migration because its not safe, which it is not. | 19:40 |
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dansmith | heh | 19:41 |
cburgess | So the question is... since you *must* set the cache mode to writeback, it block the ability to also use iSCSI. So that option really should be per driver and per protocol. | 19:41 |
cburgess | So is that a bug... | 19:41 |
cburgess | Or do I need a spec? | 19:41 |
cburgess | I'm asking now because spec freeze is like Monday or something and I'm worried I need to try and rush a spec on this. | 19:41 |
cburgess | Note: We just found this last night. | 19:41 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'CPUThreadAllocationPolicy' enum field https://review.openstack.org/202647 | 19:42 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'cpu_policy' and 'cpu_thread_policy' fields https://review.openstack.org/202648 | 19:42 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'hw:cpu_thread_policy=require' scheduling https://review.openstack.org/202651 | 19:42 |
dansmith | cburgess: well, if ceph only makes sense with one mode, does it make sense to even make ceph honor that flag? | 19:42 |
dansmith | like, can we just say "ceph is writeback always, regardless of this flag because $reasons" ? | 19:42 |
cburgess | dansmith Well its not the default today and in theory I suppose people could be using it without that mode (which is wrong in my opinion), and you still have to pass that set of flags to libvirt. | 19:43 |
dansmith | cburgess: presumably being set-table by driver is what you want anyway, but.. | 19:43 |
cburgess | Interestingly libvirt has special handling in its live migration check for RBD. As in if the cache mode is writeback and you are *not* RBD you get told no. But if you are RBD you are ok. | 19:43 |
dansmith | cburgess: well, I'm just saying.. can the quick fix be to force ceph to always be writeback? | 19:43 |
cburgess | dansmith I *think* so. Though I suspect some will object for $reasons. | 19:44 |
dansmith | cburgess: well, here's the thing | 19:44 |
openstackgerrit | Surojit Pathak proposed openstack/nova: Fix wrong CPU metric value in metrics_filter https://review.openstack.org/243825 | 19:44 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: trivial: Add some logs to 'numa_topology_filter' https://review.openstack.org/202650 | 19:45 |
dansmith | cburgess: because it'd be a config change, with upgrade impacts and stuff, it would kinda be nice to have it documented out what the reasons are, and what operators need to know about going forward | 19:45 |
dansmith | cburgess: presumably we deprecate this option and add a new one with the proper formatting anyway | 19:45 |
dansmith | cburgess: for that reason, it might be good as a spec, even though it's pretty small | 19:45 |
cburgess | dansmith The challenge of course is that *all* disk drivers use this option so its probably touching a decent amount of code but I tend to agree that the current option just isn't sufficient in at least the network driver case. | 19:45 |
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dansmith | cburgess: however, since libvirt has a special case for RBD, how about if we add a workarounds.rbd_is_always_writeback=True option for the short term? that's kinda what workarounds are for | 19:46 |
dansmith | and then not rush the correct fix | 19:46 |
cburgess | dansmith Ok... that interesting. So in the network driver if the work around is set, ignore the other option for RBD and use the RBD work around option? That way you can have RBD use writeback and the other protocols use the current option? | 19:47 |
dansmith | cburgess: that's kinda my thinking on it.. it's not *really* a bug, it's a limitation, so... more opinions would be good if you think you can argue the bug case | 19:47 |
dansmith | cburgess: right | 19:47 |
cburgess | That would be the "bug" fix, and then propose a spec for M (which probably slips to N given the timing) that completely changes the option to be more intelligent? | 19:47 |
dansmith | right | 19:47 |
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cburgess | The "bug" case in my opinion is you basically can't use multiple volume types with CEPH and live migration. | 19:48 |
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cburgess | You either get performant CEPH, or live migrations, but not both if you also want an iSCSi volume. | 19:48 |
cburgess | So its a pretty big limitation. | 19:48 |
cburgess | OK.. | 19:48 |
dansmith | yeah, it's kindof a weak bug case.. it's a limitation | 19:48 |
dansmith | I know, but.. | 19:48 |
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dansmith | it doesn't crash or destroy things | 19:48 |
cburgess | I know I know. | 19:48 |
dansmith | anyway, that'd be my thing.. might as well ask around though | 19:48 |
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cburgess | OK.. well I'll write up an LP over the break that argues for the double approach and I can bring it to the nova meeting next week. I'll focus on arguing for a work around for M with a proper fix/spec for N. | 19:49 |
dansmith | cool I think that's a good plan | 19:50 |
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cburgess | If we had found this a few weeks ago I would just do a spec and try and get it in for M but there is no way I'm going to get a spec together and approved by Monday given the holiday. | 19:50 |
dansmith | yar | 19:50 |
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sfinucan | ndipanov: Still here? | 20:17 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'CPUThreadAllocationPolicy' enum field https://review.openstack.org/202647 | 20:31 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'cpu_policy' and 'cpu_thread_policy' fields https://review.openstack.org/202648 | 20:31 |
openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'hw:cpu_thread_policy=require' scheduling https://review.openstack.org/202651 | 20:31 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'hw:cpu_thread_policy=require' scheduling https://review.openstack.org/202651 | 20:36 |
openstackgerrit | Ed Leafe proposed openstack/nova: Add better help text to scheduler options https://review.openstack.org/247181 | 20:36 |
openstackgerrit | Ed Leafe proposed openstack/nova: Config options: centralize section "scheduler" https://review.openstack.org/245891 | 20:36 |
edleafe | heading out for the long weekend holiday. See everyone next week! | 20:37 |
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pumaranikar | Hi, working on this bug https://bugs.launchpad.net/nova/+bug/1320269 which is about resizing the instance with preallocation setup | 20:42 |
openstack | Launchpad bug 1320269 in OpenStack Compute (nova) "Scheduler fails confirm resize of instances when there is enough space to complete resize" [Medium,Confirmed] - Assigned to Pushkar Umaranikar (pushkar-umaranikar) | 20:42 |
pumaranikar | I tested the scenario with nano, micro and few tiny flavoured instances | 20:43 |
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pumaranikar | it is not reporducible. But cloud not test with other flavors because of hardware resource restriction i have | 20:44 |
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pumaranikar | Should I keep it open or we can close it. Any suggestions ? | 20:46 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Add 'hw:cpu_thread_policy=require' scheduling https://review.openstack.org/202651 | 21:11 |
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openstackgerrit | Tracy Jones proposed openstack/nova: Cleanup of compute api reboot method https://review.openstack.org/127427 | 21:22 |
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openstackgerrit | Tracy Jones proposed openstack/nova: Cleanup of compute api reboot method https://review.openstack.org/127427 | 21:29 |
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openstackgerrit | Stephen Finucane proposed openstack/nova: Modify VM's updated_at field on volume actions https://review.openstack.org/247176 | 23:54 |
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