mnestratov|3 | and glance doesn't detect image format it uses what a user tells it | 00:00 |
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DuncanT | Hmmm. Ok, I'll have a think and comment on the review | 00:01 |
DuncanT | It's a bit of a mess by the sound of it | 00:01 |
mnestratov|3 | DuncanT: yeah it is | 00:01 |
mnestratov|3 | thanks anyway | 00:01 |
DuncanT | I guess in an ideal fix, I'd fix things so that they were aliases for each other everywhere | 00:02 |
DuncanT | mnestratov|3: Does that sound reasonable? | 00:02 |
mnestratov|3 | DuncanT: in ideal world yes :) | 00:03 |
DuncanT | mnestratov|3: Thanks, that provides some more context | 00:04 |
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mnestratov|3 | but I'll have tough talks with nova guys to persuade them to add an alias ) | 00:04 |
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DuncanT | Well, adding the alias in cinder is not a shoe-in either | 00:06 |
mnestratov|3 | DuncanT: agree | 00:07 |
mnestratov|3 | i'm disconnecting sorry it's pretty late here | 00:08 |
DuncanT | Here too :-) | 00:08 |
mnestratov|3 | 3 am? | 00:08 |
DuncanT | Midnight | 00:09 |
mnestratov|3 | good night then | 00:09 |
DuncanT | And you | 00:09 |
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openstackgerrit | wangxiyuan proposed openstack/python-cinderclient: Support Keystone V3 with HttpClient https://review.openstack.org/404572 | 01:01 |
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openstackgerrit | wangxiyuan proposed openstack/python-cinderclient: Support Keystone V3 with HttpClient https://review.openstack.org/404572 | 01:05 |
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openstackgerrit | wangxiyuan proposed openstack/python-cinderclient: Support Keystone V3 with HttpClient https://review.openstack.org/404572 | 01:15 |
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openstackgerrit | Chuck Fouts proposed openstack/cinder: [debug] do not merge https://review.openstack.org/397885 | 01:27 |
openstackgerrit | Yingzhe Zeng proposed openstack/cinder: Fix snapshot update exception while creating cgsnapshot https://review.openstack.org/405036 | 01:31 |
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openstackgerrit | wangxiyuan proposed openstack/cinder: [WIP]Add quota limit check and enhance roll back for cg create https://review.openstack.org/405069 | 02:58 |
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openstackgerrit | wanghao proposed openstack/cinder: Clean up image tmp file if c-vol gets restarted https://review.openstack.org/225081 | 03:03 |
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openstackgerrit | haobing proposed openstack/cinder: Correct the attributes of volume which created by clone a CG https://review.openstack.org/404776 | 03:11 |
openstackgerrit | haobing proposed openstack/cinder: Correct the attributes of volume which created by clone a CG https://review.openstack.org/404776 | 03:15 |
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openstackgerrit | LisaLi proposed openstack/cinder: Prohibit creating volume from source with dif encryptions https://review.openstack.org/405086 | 04:02 |
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openstackgerrit | LisaLi proposed openstack/cinder: Prohibit creating volume from source with dif encryptions https://review.openstack.org/405086 | 05:40 |
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openstackgerrit | LisaLi proposed openstack/cinder: Calculate virtual free capacity and notify https://review.openstack.org/206923 | 06:20 |
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openstackgerrit | wangxiyuan proposed openstack/cinder: Add quota limit check and enhance roll back for cg create https://review.openstack.org/405069 | 06:54 |
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openstackgerrit | Mattan Shalev proposed openstack/cinder: Added initial backend ISCSI driver for Reduxio https://review.openstack.org/332032 | 07:01 |
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openstackgerrit | William Durairaj proposed openstack/cinder: 3PAR: Fix performance issue with volume cloning https://review.openstack.org/403882 | 07:20 |
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openstackgerrit | Merged openstack/cinder: Remove Unicode byte order mark https://review.openstack.org/404985 | 07:36 |
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openstackgerrit | Nishant Kumar proposed openstack/cinder: Reuse already existing groups in tempest plugin https://review.openstack.org/375808 | 07:59 |
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openstackgerrit | Pranali Khatode proposed openstack/cinder: Manage: Restrict volume creation for unsupported host format https://review.openstack.org/401946 | 08:04 |
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openstackgerrit | LisaLi proposed openstack/cinder: Update detach_volume() with versionedobjects https://review.openstack.org/268609 | 08:13 |
openstackgerrit | LisaLi proposed openstack/cinder: Update attach_volume() with versionedobjects https://review.openstack.org/268608 | 08:13 |
openstackgerrit | Alon Marx proposed openstack/cinder: Support FICON-attached ECKD volumes on System z https://review.openstack.org/342921 | 08:16 |
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openstackgerrit | Bhagyashri Shewale proposed openstack/cinder: Replace functions 'Dict.get' and 'del' with 'Dict.pop' https://review.openstack.org/360935 | 08:18 |
openstackgerrit | Mattan Shalev proposed openstack/cinder: Added initial backend ISCSI driver for Reduxio https://review.openstack.org/332032 | 08:18 |
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openstackgerrit | Alon Marx proposed openstack/cinder: ibm_storage driver: Added fczm decorators https://review.openstack.org/394655 | 08:24 |
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guyr-infinidat | patrickeast: the slave is a 12 core machine :\ | 08:37 |
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smcginnis | guyr-infinidat: Are you hitting issues from too high of concurrent tests running? | 08:44 |
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openstackgerrit | Soffie Huang proposed openstack/cinder: FalconStor: Restore option "san_secondary_ip" https://review.openstack.org/355836 | 08:45 |
guyr-infinidat | smcginnis: I'm having what looks like networking issues: Connection to the 172.24.5.10 via SSH timed out in three tests | 08:45 |
guyr-infinidat | I put all the details in https://bugs.launchpad.net/tempest/+bug/1645709 | 08:45 |
openstack | Launchpad bug 1645709 in tempest "SSH timed out in three tempest tests" [Undecided,New] | 08:45 |
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smcginnis | guyr-infinidat: You probably need to change your CI to run with a lower concurrency. You can pass the option --concurrency=x to tell it how many to run at once. | 08:47 |
guyr-infinidat | patrickeast said he's having this issue as well, suggested it may be due to load. | 08:47 |
smcginnis | guyr-infinidat: Things used to fall apart if you went over 4, though I think that's gotten much better. | 08:47 |
smcginnis | guyr-infinidat: I would still start with 4 and see how that goes before trying to increase it any more than that. | 08:47 |
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guyr-infinidat | smcginnis: I'll try that now. though I see other CIs running with 8 (e.g. solidfire | 08:48 |
smcginnis | guyr-infinidat: Yeah, you may be able to do more. But 4 might be a good place to start. | 08:49 |
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openstackgerrit | LisaLi proposed openstack/cinder: Prohibit creating volume from source with dif encryptions https://review.openstack.org/405086 | 08:53 |
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openstackgerrit | xianming.mao proposed openstack/cinder: Use method is_valid_boolstr from oslo_utils https://review.openstack.org/385721 | 08:56 |
openstackgerrit | xianming.mao proposed openstack/cinder: cors: update default configuration https://review.openstack.org/393577 | 08:56 |
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guyr-infinidat | smcginnis: assuming all modern processors have hyperthreading, wouldn't it make since to use less than half of nproc as the concurrency parameter? leave a core or two for something other than the tests? | 08:57 |
guyr-infinidat | e.g. routing | 08:57 |
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smcginnis | guyr-infinidat: Yeah, probably. | 09:00 |
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openstackgerrit | xianming.mao proposed openstack/cinder: Increase existence check for image when create volumes https://review.openstack.org/401155 | 09:07 |
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openstackgerrit | Kushal Wathore proposed openstack/cinder: backup of active 3par ISCSI bootable volume fails https://review.openstack.org/401285 | 09:20 |
openstackgerrit | Yingzhe Zeng proposed openstack/cinder: Swap volume type for migration started by retype https://review.openstack.org/405213 | 09:20 |
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openstackgerrit | Merged openstack/cinder: Support A/A in attach/detach operations https://review.openstack.org/318573 | 09:22 |
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openstackgerrit | Peter Wang proposed openstack/cinder: Move VNX driver to dell_emc folder https://review.openstack.org/405223 | 09:31 |
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openstackgerrit | haobing proposed openstack/cinder: Correct the attributes of volume which created by clone a CG https://review.openstack.org/404776 | 09:40 |
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openstackgerrit | William Durairaj proposed openstack/cinder: 3PAR: Fix performance issue with volume cloning https://review.openstack.org/403882 | 09:45 |
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openstackgerrit | Adriano Freires Rosso proposed openstack/cinder: HNAS: Add list manageable volume/snapshots https://review.openstack.org/388203 | 10:07 |
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openstackgerrit | Peter Wang proposed openstack/cinder: Move VNX driver to dell_emc folder https://review.openstack.org/405223 | 10:22 |
winston-d | dulek: i've seen similar cases before, not sure how that's happening | 10:22 |
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dulek | winston-d: Merge conflicts or HGST CI succeeding for broken patches? | 10:22 |
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openstackgerrit | Ivan Kolodyazhny proposed openstack/cinder: Replace assertDictMatch with assertDictEqual method in tests https://review.openstack.org/405258 | 10:25 |
openstackgerrit | Ivan Kolodyazhny proposed openstack/cinder: Refactor test_volume_actions to use ddt library https://review.openstack.org/399114 | 10:25 |
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openstackgerrit | Gorka Eguileor proposed openstack/cinder: Make Image Volume Cache cluster aware https://review.openstack.org/386186 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add replication info to generate_driver_list https://review.openstack.org/403854 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add more operations to cluster https://review.openstack.org/355968 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add active/active info to generate_driver_list https://review.openstack.org/404180 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Support A/A on Scheduler operations https://review.openstack.org/344226 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: [PoC][Don't review] Testing delay https://review.openstack.org/353069 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Fix replication freeze mechanism https://review.openstack.org/402923 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Move service and cluster creation in test to utils https://review.openstack.org/402922 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Allow triggering cleanup from API https://review.openstack.org/363010 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Support A/A in delete actions and get_capabilities https://review.openstack.org/344225 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Make Replication support Active-Active https://review.openstack.org/381835 | 10:29 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Cosmetic changes to scheduler https://review.openstack.org/346041 | 10:29 |
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openstackgerrit | ChangBo Guo(gcb) proposed openstack/cinder: test: fix wrong usage of config option in test_window https://review.openstack.org/334877 | 10:51 |
openstackgerrit | ChangBo Guo(gcb) proposed openstack/cinder: Fix wrong usage of config option gpfs_images_share_mode https://review.openstack.org/334868 | 10:51 |
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dulek | geguileo: How much A/A and replication fixes patches are connected? If I'm reviewing A/A chain, should I look also at something in Replication v2.1 chain? | 10:54 |
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openstackgerrit | Peter Wang proposed openstack/cinder: Move VNX driver to dell_emc folder https://review.openstack.org/405223 | 11:02 |
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openstackgerrit | Peter Wang proposed openstack/cinder: VNX: Add sync migration support https://review.openstack.org/405279 | 11:06 |
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openstackgerrit | zhangdaolong proposed openstack/cinder: RBD driver doesn't flattern image when clone depth > configured value. https://review.openstack.org/401914 | 11:10 |
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pranalik | geguileo:Hi,I have an updated patch ready on my local machine which bumps a microversion for changing the status code from 404 to 400 . Should I submit it https://review.openstack.org/#/c/401941/1 or I need to discuss this issue more in the cinder meeting. | 11:23 |
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geguileo | dulek: No, they are not connected | 11:54 |
geguileo | dulek: They interefere one with the other | 11:54 |
geguileo | dulek: So the one that merges first will "break" the other patches | 11:54 |
geguileo | dulek: And will make me make changes to fix the merge conflict | 11:54 |
dulek | geguileo: Oh, okay. Anything in particular I should be aware if I haven't looked at replication ones yet? | 11:55 |
geguileo | dulek: The only thing is that in the A/A patches I have included the replication A/A patch as well as the freeze mechanism patch | 11:55 |
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geguileo | dulek: No, the A/A stuff is self contained, even the A/A replication patch (it has a spec explaining what it does) | 11:55 |
dulek | geguileo: Okay, I'll continue to review the A/A chain! | 11:56 |
geguileo | dulek: Thanks!! | 11:56 |
geguileo | pranalik: I brought it up in the meeting yesterday | 11:56 |
geguileo | pranalik: You should review the logs of the meeting | 11:56 |
geguileo | pranalik: But DuncanT later disagreed | 11:57 |
geguileo | pranalik: I don't know how that ended since he talked with scottda | 11:57 |
* geguileo goes out to have lunch | 11:57 | |
DuncanT | I missed the meeting... The discussion in the meeting wasn't very informative. It said standardisation is good, but didn't talk about the costs | 11:59 |
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DuncanT | We've got no standardisation across OpenStack. The api group's recommendation has no strong justification, and zero advantages unless there's a strong cross project agreement to move in that direction, which there isn't, for sensible reasons | 12:00 |
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openstackgerrit | xianming.mao proposed openstack/python-cinderclient: Replace six.iteritems(iter) with iter.items() https://review.openstack.org/405344 | 12:23 |
openstackgerrit | xianming.mao proposed openstack/cinder: Use method is_valid_boolstr from oslo_utils https://review.openstack.org/385721 | 12:23 |
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openstackgerrit | xianming.mao proposed openstack/python-cinderclient: Replace six.iteritems(iter) with iter.items() https://review.openstack.org/405344 | 12:25 |
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openstackgerrit | Arne Recknagel proposed openstack/os-brick: Code cleanup in initiatorlinuxfc.py https://review.openstack.org/405348 | 12:32 |
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winston-d | DuncanT: I agree. So lower standardisation's priority (implement via new api mircoversion) would be a reasonable choice? | 12:47 |
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winston-d | We have other important tasks to do. | 12:47 |
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DuncanT | winston-d: Standardisation of response codes should be dumped unless there's a strong cross-project push for it IMO. There's no gain without that, and there's a definite cost for any API consumer who wants to use a later microversion | 13:32 |
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winston-d | By API consumer's cost for using later microversion, do you mean they have to switch to new response code even if they don't want to? | 13:36 |
openstackgerrit | Pony Chou proposed openstack/cinder: Add QNAP ES Storage Driver https://review.openstack.org/309872 | 13:36 |
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dulek | geguileo: I've seen some strange stuff in Gerrit lately. | 14:07 |
geguileo | dulek: This is the first crazy thing I've seen | 14:07 |
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dulek | geguileo: Like I've mentioned previously - patches marked as conflicted without actually being in merge conflict. | 14:07 |
geguileo | dulek: I don't know if this is gerrit or git review's fault | 14:07 |
geguileo | dulek: But I get worried when what I submit is not what appears in gerrit | 14:07 |
geguileo | Mostly because I never check it | 14:08 |
openstackgerrit | Samantha Blanco proposed openstack/cinder: Fixes hpelefthandclient AttributeError https://review.openstack.org/393894 | 14:08 |
geguileo | dulek: And it tells me there are no differences!!! | 14:09 |
dulek | geguileo: And about that test - you're right, I've looked at diff between 26 and 28, that's why I was mistaken. | 14:10 |
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geguileo | dulek: That's what happened to me in the review of your patch yesterday XD | 14:10 |
geguileo | So I can relate | 14:10 |
geguileo | ;-) | 14:10 |
openstackgerrit | Andrei Perepiolkin proposed openstack/cinder: Add Open-E driver for JovianDSS storage with iSCSI support. https://review.openstack.org/399967 | 14:11 |
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geguileo | dulek: Oh, I read it wrong the hash is the same, but not the contents | 14:12 |
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DS | patrickeast: hi, one test in jenkins slave is always failing can you please me http://paste.openstack.org/show/591129/ | 14:31 |
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prometheanfire | smcginnis: I'm here as well, but stable/newton and volume.filters is there, even made sure it's readable by the cinder user | 14:38 |
DS | hi, i am getting this error while runing tempest http://paste.openstack.org/show/591139/ | 14:43 |
openstackgerrit | Peter Wang proposed openstack/cinder: Move VNX driver to dell_emc folder https://review.openstack.org/405223 | 14:46 |
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Cibo | DS: can you please provide additional info? some tempest output, nova cinder or whatever involved? | 15:12 |
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patrickeast | DS: if i had to guess you didn't set the "vendor_name" or "storage_protocol" correctly in tempest.conf | 15:14 |
patrickeast | DS: look at your c-sch log for that test, id bet it fails to find a matching host | 15:15 |
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DS | patrickeast: ok thanks | 15:16 |
DS | patrickeast: thank you very munch how it has passed | 15:18 |
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patrickeast | DS: np | 15:20 |
patrickeast | geguileo: hey, let me know if/when you have a few min to chat about replication stuff | 15:20 |
geguileo | patrickeast: I'm in a meeting, I'll be available in 40 minutes | 15:21 |
geguileo | patrickeast: Will ping you then :-) | 15:21 |
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patrickeast | geguileo: sounds good | 15:21 |
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openstackgerrit | Chuck Fouts proposed openstack/cinder: [debug] do not merge https://review.openstack.org/397885 | 15:24 |
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openstackgerrit | Gorka Eguileor proposed openstack/cinder: Make Image Volume Cache cluster aware https://review.openstack.org/386186 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add replication info to generate_driver_list https://review.openstack.org/403854 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add more operations to cluster https://review.openstack.org/355968 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add active/active info to generate_driver_list https://review.openstack.org/404180 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: [PoC][Don't review] Testing delay https://review.openstack.org/353069 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Fix replication freeze mechanism https://review.openstack.org/402923 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Move service and cluster creation in test to utils https://review.openstack.org/402922 | 15:41 |
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openstackgerrit | Gorka Eguileor proposed openstack/cinder: Allow triggering cleanup from API https://review.openstack.org/363010 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Make Replication support Active-Active https://review.openstack.org/381835 | 15:41 |
openstackgerrit | Gorka Eguileor proposed openstack/cinder: Cosmetic changes to scheduler https://review.openstack.org/346041 | 15:41 |
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geguileo | patrickeast: ping - replication | 15:45 |
patrickeast | geguileo: hey | 15:46 |
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patrickeast | geguileo: so i guess the main thing i wanted to sync up on was with the failback/promote stuff | 15:46 |
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geguileo | patrickeast: Yeah, the failback is done | 15:47 |
geguileo | patrickeast: I mean, it works for some drivers and other just raise an exception | 15:47 |
geguileo | patrickeast: Which is OK | 15:47 |
patrickeast | geguileo: you mean the 'default' backend thing? | 15:47 |
geguileo | Yes | 15:47 |
geguileo | I have updated the replication stuff to be consistent and updated the devref to explain expected behavior | 15:48 |
patrickeast | gotcha | 15:48 |
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geguileo | So the only remaining thing would be the promotion | 15:48 |
patrickeast | yep, so if i remember correctly there was some agreement at the summit on having the ability to mark some backend as a primary | 15:49 |
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patrickeast | and there is the spec we already merged for it around too | 15:50 |
geguileo | patrickeast: Yeah, but I've been thinking about it and I think it gets tricky | 15:50 |
patrickeast | definitely :( | 15:50 |
patrickeast | persisting that and not getting things out of sync or confusing for the operator seems hard doing that | 15:50 |
geguileo | Yeah, that's the biggest part | 15:51 |
geguileo | I begun thinking about it and saw some issues | 15:51 |
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patrickeast | geguileo: so i was looking at https://review.openstack.org/#/c/312591/ again and i'm thinking we might want those api's either way | 15:52 |
patrickeast | geguileo: as sort of a reset-state for replication | 15:53 |
geguileo | patrickeast: I saw some issues with that spec | 15:53 |
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* geguileo trying to remember what it was | 15:53 | |
patrickeast | geguileo: iirc it doesn't cover all the use-cases we wanted | 15:53 |
patrickeast | geguileo: and it doesn't ping drivers to let them know what happened as-is | 15:54 |
patrickeast | geguileo: its just a db swap | 15:54 |
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patrickeast | geguileo: so i think with that one you would have to run the command and then restart c-vol for the driver to pick up the new active backend id at initialize time | 15:54 |
patrickeast | which kinda sucks | 15:54 |
geguileo | Yeah, that's a big problem | 15:55 |
patrickeast | but the idea of having that type of api to just say "swap this one to be primary now, and start replicating again" is ideal | 15:56 |
patrickeast | the target=default thing almost does the same thing i guess | 15:56 |
geguileo | patrickeast: https://akrog.github.io/barcelona_replication_ds/#8 | 15:57 |
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patrickeast | geguileo: ah yea, perfect | 15:58 |
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geguileo | patrickeast: The issue I see is that we either ignore the configuration file and use the DB, or force that the config needs to be updated at the same time that the command is issued, right? | 15:59 |
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patrickeast | geguileo: yea pretty much, and I don't know about you but i'm pretty hesitant about doing things that don't match the config file | 16:00 |
geguileo | patrickeast: Yup, I agree | 16:00 |
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geguileo | patrickeast: But that's the bad part | 16:00 |
patrickeast | geguileo: i guess maybe if we had a safer way to reload the config it might not be so bad | 16:00 |
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patrickeast | geguileo: doesn't fix everything, but makes it less painful | 16:00 |
geguileo | patrickeast: The only solution I see is to force on start that the configuration is changed LOL | 16:00 |
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geguileo | patrickeast: Yeah, but the configuration reload is very tricky | 16:01 |
patrickeast | geguileo: oh definitely | 16:01 |
geguileo | Because you have to define what parameters are safe to reload dynamically | 16:01 |
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geguileo | And ignore the others | 16:01 |
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patrickeast | heh, we could split the config file into cinder.conf and cinder-not-safe-to-change.conf | 16:02 |
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geguileo | And then some of the reloaded parameters will require some additional operations to be performed | 16:02 |
geguileo | But then some drivers will want to be able to change some parts of their configurations dynamically | 16:02 |
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geguileo | And there we go down the rabbit hole... | 16:02 |
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patrickeast | ugh yea | 16:02 |
patrickeast | ok well, i guess the thing we talked about at the summit is making more sense again | 16:03 |
patrickeast | where we maybe have a hint in the config for a default primary, but track the real one in the db | 16:03 |
geguileo | I agree we need the configuration dynamic reload, but it's not something that should be coded witout specs | 16:03 |
patrickeast | absolutely | 16:04 |
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geguileo | patrickeast: And should we just prevent the service to restart if the hint and the actual don't match? | 16:05 |
geguileo | patrickeast: That way we force that it is kept in sync | 16:05 |
geguileo | patrickeast: Or maybe just log a warning | 16:05 |
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patrickeast | geguileo: not sure, i was just thinking through that | 16:05 |
geguileo | Yeah, no silver bullet here :-( | 16:05 |
geguileo | And I was thinking about using the replication_status to mark the promotion | 16:06 |
geguileo | on the service | 16:06 |
geguileo | replication_status=failed-over & active_backend_id=secondary ==> Failed over | 16:07 |
geguileo | replication_status=enabled & active_backend_id=secondary ==> Promoted | 16:07 |
patrickeast | yea that makes sense | 16:07 |
geguileo | But then we'll need driver changes | 16:07 |
patrickeast | true, although i'm not sure we can avoid that entirely either way | 16:07 |
patrickeast | unless we do all of this with new driver api's | 16:08 |
geguileo | Because they usually assume that if they receive a not None active_backend_id it's because they are failed-over | 16:08 |
geguileo | I don't think new driver api's would solve it because this issue would be in the __init__ method | 16:08 |
geguileo | That's when we pass the drivers the active_backend_id | 16:08 |
patrickeast | ehh wait, that might be fine, if active_backend_id is None it means its not failed over | 16:09 |
patrickeast | iirc it defaults to None | 16:09 |
geguileo | patrickeast: Yeah | 16:10 |
geguileo | patrickeast: But the problem is | 16:10 |
geguileo | that when we force promote a secondary | 16:10 |
geguileo | It will receive something different than None | 16:10 |
geguileo | It will be the secondary backend id | 16:10 |
patrickeast | yea | 16:10 |
geguileo | So the driver will think it's in failed-over mode :-( | 16:10 |
geguileo | that's why we would need to pass it also if it's primary or not | 16:11 |
geguileo | And that would require driver changes | 16:11 |
geguileo | Aaaaand that's where my head begun to spin like crazy | 16:11 |
geguileo | XD | 16:11 |
patrickeast | oh ok, so maybe this is one of those implementation differences, like for my driver that would work fine we just use whatever the active_backend_id is to figure out what array to send requests to | 16:11 |
patrickeast | yea we would need a way to tell it whether it should be replicating or not though | 16:12 |
patrickeast | which i guess shouldn't be too hard if we just pass in the replication_status at init? | 16:12 |
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geguileo | Yup | 16:12 |
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geguileo | And use in the promotion stuff to change the status | 16:13 |
geguileo | But that's where you have to coordinate all drivers | 16:13 |
geguileo | :-( | 16:13 |
patrickeast | yea :( | 16:13 |
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* jgriffith thinks he doesn't even want to scroll back and read what's going on here | 16:13 | |
geguileo | lol | 16:13 |
geguileo | patrickeast: And for some it may be irrelevant, like in yours, but maybe in other it will require driver changes... | 16:14 |
patrickeast | jgriffith: don't worry about it, just baking new desserts | 16:14 |
jgriffith | haha | 16:14 |
patrickeast | geguileo: yea it will definitely break others | 16:14 |
geguileo | patrickeast: So that's up to where I analyzed ;-) | 16:14 |
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jgriffith | can't make an omelette.... | 16:14 |
patrickeast | maybe we just remove replication XD | 16:15 |
* patrickeast hopes simon doesnt see this log | 16:15 | |
jgriffith | patrickeast: best idea yet! | 16:15 |
jgriffith | patrickeast: I'm calling Simon right now :) | 16:15 |
patrickeast | lol | 16:15 |
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patrickeast | geguileo: ok well, heres a question, is this something we want to try and tackle for O? | 16:16 |
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patrickeast | geguileo: i've got some bandwidth to help out with it, but i'm not 100% sure we want to try and cram this in | 16:17 |
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hemna | http://www.thepoke.co.uk/2016/11/27/lets-all-go-to-the-pub-now/ | 16:17 |
geguileo | patrickeast: I won't have time to work on this :-( | 16:17 |
geguileo | patrickeast: I just finished everything else I said I would do related to replication | 16:17 |
geguileo | patrickeast: I'm going to finish with the dynamic log changing patch soon | 16:18 |
geguileo | patrickeast: And I have to go back to HA A/A tests | 16:18 |
geguileo | patrickeast: But I think it would be great if we could get it in O with all the other replication fixes/stuff | 16:18 |
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patrickeast | geguileo: ok cool, well in that case I'll maybe put together a spec and see what others think about this | 16:20 |
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geguileo | patrickeast: Thanks!! | 16:20 |
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Swanson | I just know you people have broken my replication again. | 16:24 |
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patrickeast | Swanson: definitely | 16:25 |
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patrickeast | Swanson: just doing my part to add to your job security | 16:26 |
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nikeshm | hi cores, just to inform that since i am switching from nova network to neutron in CI, so Kaminario CI have some down time, will sooner make it up | 16:42 |
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jgriffith | nikeshm: good luck! | 16:53 |
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jgriffith | nikeshm: hopefully it will go smoothly for you | 16:53 |
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* patrickeast should probably switch mine over again... | 16:53 | |
nikeshm | i am not getting slave went offline issues now | 16:53 |
jgriffith | geguileo: darn it... you exceeded the available number of cores in my CI this morning! | 16:53 |
jgriffith | :) | 16:54 |
patrickeast | lol | 16:54 |
jgriffith | geguileo: guess I need to update my CI to queue things... or get you to agree to only submitting 3 at a time :) | 16:54 |
patrickeast | those patch updates are a stress test on my ci's burst capabilities | 16:54 |
patrickeast | jgriffith: woa wait, you don't using queueing? | 16:55 |
jgriffith | patrickeast: :) I turn it on and just launch threads... let the shit fly :) | 16:55 |
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patrickeast | jgriffith: haha awesome | 16:56 |
jgriffith | patrickeast: I'm kind of kidding | 16:56 |
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jgriffith | I do have a queue set up with some throttling, but I've been super lazy about it. It's set at something ridiculous like 10 | 16:57 |
jgriffith | which was fine when my cloud was 3 24Core nodes | 16:57 |
jgriffith | but I've never adjusted that parameter and I've lost two of my nodes... so... yeah; IR-Dumb | 16:57 |
patrickeast | ouch yea | 16:59 |
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patrickeast | i just added in some more nodes to mine | 17:00 |
patrickeast | nodepool gets like 30+ nodes... and then jenkins goes oom and dies | 17:00 |
patrickeast | its like wack-a-mole with these ci's | 17:01 |
hemna | just reboot every box at 3am | 17:02 |
hemna | it'll be fine | 17:02 |
patrickeast | lol | 17:02 |
jgriffith | yeah, my nodes have been "re-appropriated" for "more important" things | 17:02 |
patrickeast | i've been tempted to just add a script to auto-reboot my jenkins vm any time the queue hits 0 jobs in progress | 17:02 |
jgriffith | Giph servers | 17:02 |
patrickeast | bummer | 17:03 |
patrickeast | jgriffith: don't you have access to the netapp ci servers now? | 17:03 |
patrickeast | XD | 17:03 |
patrickeast | they must have a lot considering the number of jobs it runs | 17:03 |
jgriffith | no, but we're actually talking about moving the SF ci over onto there | 17:03 |
* jgriffith washes his hands of CI finally | 17:03 | |
patrickeast | haha, light at the end of the tunnel | 17:04 |
patrickeast | i chatted with our internal ci team at some point... they didn't want it | 17:04 |
jgriffith | Soon I'll just sit behind my mahogany desk, smoke cigars and drink champagne | 17:04 |
patrickeast | lol | 17:04 |
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jgriffith | patrickeast: ha! Your internal CI folks are smart :) | 17:04 |
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jgriffith | Honestly I'm not sure I want someobody else to run it | 17:04 |
patrickeast | haha yea | 17:05 |
jgriffith | I think it makes more sense for me to be familiar with it and keeping an eye on it | 17:05 |
jgriffith | not to mention, seem ridic that those of us contributing to and talking about OpenStack don't actually run it and use it daily :) | 17:05 |
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patrickeast | i do like that part | 17:05 |
jgriffith | I've learned more building and running my CI than I have doing anything else in the OS community frankly | 17:06 |
patrickeast | yea learning how to deploy and operate my own little cloud has been great | 17:06 |
jgriffith | agreed | 17:06 |
patrickeast | and i have enough hardware i don't need to go through our IT/englab anymore for things :D | 17:06 |
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patrickeast | my "ci" cloud is code for patrick private cloud | 17:07 |
jgriffith | patrickeast: I also still do my quarterly excercise... grab the top 5 deployment tools and see if I can build a multi-node cloud | 17:07 |
jgriffith | patrickeast: :) hehe... mine too :) | 17:07 |
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jgriffith | patrickeast: BTW distros... you all pretty much suck still | 17:07 |
patrickeast | lol | 17:07 |
patrickeast | the only one that has been pretty good consistently for me is RDO + openstack-puppet | 17:07 |
jgriffith | packstack with RDO has proven easiest and most reliable | 17:08 |
jgriffith | LOL | 17:08 |
jgriffith | yes!! | 17:08 |
patrickeast | sort of a slimmed down version of packstack tailored for my env | 17:08 |
patrickeast | glad i'm not the only one who found that | 17:08 |
patrickeast | lol | 17:08 |
jgriffith | I haven't had much luck with just the openstack-puppet, the Kolla stuff I had high hopes for but it doens't work | 17:08 |
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jgriffith | the openstack-ansible stuff actually worked pretty well this last go around... but trying to deal with all those containers sucks | 17:09 |
jgriffith | and adding compute nodes didn't work out too well for me | 17:09 |
patrickeast | ah yea, i had trouble with the container stuff and as soon as i started looking into dealing with FC i gave up | 17:09 |
jgriffith | conjure-up just flat out doesn't work | 17:09 |
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venkhari | Hi all, Greetings. I am trying to face off with a customer situation here. Observing weird results trying to run cinder CRUD operations concurrently. (20 concurrent deletes or creates). | 17:10 |
jgriffith | patrickeast: OHHHH yeah! I didn't even think about trying to make FC work in that env | 17:10 |
jgriffith | yikes | 17:10 |
venkhari | Trying to understand deeper on Cinder concurrency settings, (max executor threads, rpc conn pool, time out etc) wonder if you are able to point me to the right material if there is one. I dont find much content on this on the internet ... | 17:10 |
patrickeast | venkhari: what kind of weird results? | 17:10 |
jgriffith | venkhari: what backe-end? You're probably hitting RPC time outs if I were a gambling man | 17:10 |
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jgriffith | venkhari: some of the backends lock on create/delete; so issuing batches of like 10 is not going to go well for you | 17:11 |
venkhari | Cinder HPE 3PAR iSCSI driver. Cinder stable/mitaka. 15 concurrent processes performing cinder create volume from image, 7 of them seen as available, 8 of them goes to error state | 17:11 |
jgriffith | :) | 17:11 |
jgriffith | venkhari: I suspect you're overloading the 3PAR and it can't complete the tasks quickly enough. | 17:12 |
venkhari | well, yes, rpc timeouts as well. I am told of slowness in deleting volume | 17:12 |
venkhari | volume locks yes. | 17:12 |
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venkhari | From the first looks, the particular 3PAR model can handle 36 max sessions concurrently.... and the concurrrency here is not maxing it out ... | 17:13 |
venkhari | jgriffith: the field folks have modified max_executor_threads to 3 and rpc_conn_pool to 3. which is bad on performance but gets lesser failures | 17:15 |
jgriffith | venkhari: right, but it may not be completing before the RPC timeouts in OpenStack | 17:15 |
patrickeast | might be a bottleneck with copying the image to the volumes on the controller | 17:16 |
patrickeast | venkhari: are there errors in the log? if the volumes go to error state it should have some indicator of what caused it | 17:16 |
venkhari | is there any general recommendation from the community on the concurrency part. I dont think we have even QAed the driver working along these lines | 17:16 |
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jgriffith | venkhari: don't lock | 17:17 |
venkhari | partickeast: let me quote one. while creating 10 concurrent volumes of 100GB each, I see iSCSI portal login failed | 17:17 |
jgriffith | venkhari: honestly you need a 3par driver expert. Last I heard HP laid off all of those | 17:18 |
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patrickeast | mm yea... so there are potentially issues with race conditions and the iscsi connections when doing lots of concurrent operations | 17:18 |
venkhari | jgriffith: I took it over from hemna. :) | 17:19 |
jgriffith | patrickeast: venkhari to clarify though you were describing that you were seeing this on deletes no? | 17:19 |
jgriffith | venkhari: OH! Your'e the new 3Par expert! Welcome! | 17:19 |
patrickeast | oh, i was assuming creates | 17:19 |
jgriffith | patrickeast: yeah, I thought it was both... but maybe I missed something | 17:20 |
venkhari | jgriffith: thanks! yes, creates. | 17:20 |
jgriffith | ok.. sorry, my bad | 17:20 |
jgriffith | then listen to what patrickeast says :) | 17:20 |
jgriffith | ignore me :) | 17:20 |
patrickeast | haha | 17:20 |
jgriffith | FWIW it's a common problem | 17:20 |
venkhari | Deletes were slow for sure. I need to get the precise reason on the deletes. So let me quote creates for now | 17:20 |
patrickeast | so if you got iscsi login issues you need to go look through the os-brick logging and see what happened | 17:21 |
jgriffith | venkhari: there are a number of backends that have problems doing multiple create from images at once | 17:21 |
patrickeast | jgriffith: +1 | 17:21 |
venkhari | jgriffith: agree, sequential works like a charm. | 17:21 |
patrickeast | i would say go turn on the image cache, but i'm not sure that got fixed on 3par or not | 17:21 |
jgriffith | patrickeast: +1 | 17:22 |
jgriffith | and +1 | 17:22 |
jgriffith | that was a two parter :) | 17:22 |
patrickeast | lol | 17:22 |
venkhari | jgriffith: image cache is turned on. for worse we also found multiple image backed volumes get into the array for the first time cache-miss, when trying to create multiple volumes!!! | 17:22 |
patrickeast | venkhari: yea, thats expected | 17:23 |
hemna | I fixed the image cache issues in Mitaka | 17:23 |
hemna | well at least it worked in the testing that I did | 17:23 |
patrickeast | sweet | 17:23 |
patrickeast | i remember seeing a fix up for review but wasn't sure if it went it or when | 17:23 |
hemna | and fwiw, I don't think the 3PAR drivers have locking anymore | 17:23 |
hemna | and haven't for ages | 17:23 |
venkhari | hemna: ok! image cache works perfectly as long as concurrency is not attempted | 17:24 |
jgriffith | hemna: Yeah, I recall you mentioning that | 17:24 |
hemna | are clone calls being done in your tests venkhari ? | 17:24 |
jgriffith | hemna: but I still throw it out there... when all you have is a hammer :) | 17:24 |
hemna | heh yah | 17:25 |
venkhari | hemna: yes, i could see create_cloned_volume() gets called. | 17:25 |
hemna | and is the size of the volume larger than the original ? | 17:25 |
venkhari | for the cache-miss flow, the driver does online copy and extends it to desired size. | 17:26 |
hemna | venkhari, so the problem with online copy is that the 3par can only do so many of those | 17:27 |
hemna | as it's a background process on the 3par | 17:27 |
hemna | and it limits the numbers of those it can do | 17:27 |
hemna | it will queue them up | 17:27 |
venkhari | with concurrent create requests, there seems to be no synchronization (possibly in flow manager ?) and end up seeing multiple image backed volumes | 17:27 |
hemna | my guess is you are hitting that limit | 17:27 |
hemna | and it poops out | 17:27 |
hemna | I mentioned this in the transition training | 17:28 |
hemna | online copy should be removed IMHO | 17:28 |
hemna | from the cinder driver | 17:28 |
venkhari | well, create errors are invariably because of iscsi target portal login failures | 17:28 |
venkhari | hemna: agree, online copy should be avoided | 17:28 |
hemna | venkhari, so, if I were you, I'd just put a hack patch together that removes online copy all together and see if that changes things. | 17:29 |
hemna | it causes so many issues. | 17:29 |
hemna | good luck :) | 17:30 |
venkhari | hemna: well, i was able to work around it. i dont suspect that piece of code anymore. there was also another defect where offline copy of unequal sized volume caused perf issues (you know this launchpad defect) | 17:30 |
venkhari | with concurrency, iscsi portal login failure is consistently seen. | 17:31 |
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hemna | hrmm | 17:31 |
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hemna | so, from what I remember, brick will first test to see if there is an existing iscsi session with the target portal first | 17:31 |
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hemna | would need to see those exceptions where login fails | 17:32 |
venkhari | One other message, rarely seen though, was duplicate volume id message (osv-*) ... name already exists in the array. | 17:32 |
venkhari | hemna: ok.... | 17:32 |
patrickeast | that might be from the taskflow retry when an image-volume cache entry fails to be created | 17:32 |
hemna | mmm taskflow. | 17:32 |
patrickeast | i've seen that before... been meaning to look into blocking retries to avoid that | 17:32 |
hemna | my problem is I don't have an array to play with this stuff at the moment. | 17:33 |
hemna | I have devstack and lvm | 17:33 |
hemna | :P | 17:33 |
patrickeast | they didn't let you take one as a souvenir? | 17:33 |
hemna | wouldn't fit in the cab of my truck | 17:33 |
patrickeast | lol | 17:34 |
venkhari | hemna: i hear ya ! | 17:34 |
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venkhari | hemna: during your time here, was there any scale test practice at all? | 17:35 |
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hemna | yah we used rally tests | 17:37 |
venkhari | ok, does that test concurrency aspects of driver as well ? ... other than perf | 17:37 |
hemna | it can yes | 17:38 |
venkhari | hmm.. i 'll need to dig in there then. I understand Michael Denny did some good work in there. | 17:38 |
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venkhari | do you suggest tinkering with max_executor_threads ? | 17:39 |
venkhari | field guys have better success rates with lower executor threads (their sweet spot seems to be 3 - versus 64, which is defaults) | 17:40 |
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hemna | venkhari, I honestly haven't messed with changing those. | 18:04 |
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venkhari | hemna: no!! since these guys are claiming better results only with a lower value of that, i am struggling how to validate/attest that! And wanted to know if that is normal to 'tune' those specific to a backend / topology | 18:07 |
hemna | it's news to me really | 18:08 |
venkhari | lower values of executor_thread_pool_size and rpc_timeout | 18:09 |
venkhari | from defaults of 64 and 30 to 3 and 3 !!! .. This is really low | 18:09 |
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venkhari | sorry rpc_conn_pool_size | 18:10 |
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venkhari | for i in `seq 10`; do cinder create --image-id $IMG --name vol$i --volume-type $TYP 10 & done | 18:15 |
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venkhari | 2016-11-30 05:41:45.157 [01;31mERROR os_brick.initiator.connector [[01;36mreq-cbe03bb0-e6b4-4246-a76f-1cdedda937f0 [00;36m20fb2e43892249aba2b184f275641b2e c9a5d9a038484b9a8e5c2ad485a1f173[01;31m] [01;35m[01;31mCould not login to any iSCSI portal.[00m | 18:16 |
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venkhari | 2016-11-30 05:41:45.159 [01;31mERROR cinder.volume.flows.manager.create_volume [[01;36mreq-cbe03bb0-e6b4-4246-a76f-1cdedda937f0 [00;36m20fb2e43892249aba2b184f275641b2e c9a5d9a038484b9a8e5c2ad485a1f173[01;31m] [01;35m[01;31mFailed to copy image 69c37974-4e69-4b7c-a5b4-389e757c849a to volume: b07a0841-c3a3-4753-8aaa-b2bd0c9477e2[00m | 18:20 |
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venkhari | hemna: so what i understand is that you didnt have to change the pool sizes for executor threads or for rpc connections; and the defaults were sufficient for very many scenarios that you have seen. is this correct? | 18:27 |
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openstackgerrit | ayoung proposed openstack/cinder: Admin API policy enforcement contingent on is_admin_project https://review.openstack.org/384642 | 18:28 |
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Cibo | hello, is it possible to get IP of the Cinder host by some handy API? | 18:31 |
Cibo | I am interested in IP of the IP of the host that is providing operation like copy data from image to volume | 18:32 |
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venkhari | here is another exception seen during concurrent create: 2016-12-01 03:47:21.441 ^[[01;31mERROR oslo_messaging.rpc.dispatcher [^[[01;36mreq-e0615baa-09d2-4ae0-b7e4-3ec252e2d0e5 ^[[00;36m02e7a3bad79f41e79e96722714ed3318 6c254b35fd7d408886ba94eacc7c435f^[[01;31m] ^[[01;35m^[[01;31mException during message handling: Failed to copy image to volume: Bad or unexpected response from the storage volume backend API: Unable to fetch connection | 18:33 |
venkhari | information from backend: Error (HTTP 500) OPERATION_FAILED - The operation failed: The volume list 'csimbe06-b13VolumeList1480592900' cannot be created because a volume list with the same name already exists. Enter a different name for the new volume list.^[[00m | 18:33 |
venkhari | one volume out of 10 suffered the above error and went into error state. | 18:34 |
venkhari | four volumesout of 10 suffered the same error as above, and entered error state - during the second run | 18:35 |
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nikeshm | patrickeast: i used this http://paste.openstack.org/show/591170/ in CI jobs, but it is not coming under tempest/etc/tempest.conf | 18:36 |
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openstackgerrit | Goutham Pacha Ravi proposed openstack/cinder: NetApp cDOT driver fails to clone from NFS cache https://review.openstack.org/390463 | 18:55 |
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openstackgerrit | Erlon R. Cruz proposed openstack/cinder: Route extend_volume calls to scheduler https://review.openstack.org/405578 | 19:00 |
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erlon-airlong | patrickeast: hey Patrick | 19:02 |
patrickeast | erlon-airlong: hey | 19:02 |
erlon-airlong | patrickeast: can you give a look on this patch when you have a chance? | 19:02 |
patrickeast | nikeshm: try setting TEMPEST_VOLUME_VENDOR and TEMPEST_VOLUME_DRIVER | 19:03 |
erlon-airlong | patrickeast: We had discussed about doing like this last release | 19:03 |
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patrickeast | erlon-airlong: this one https://review.openstack.org/405578 ? | 19:03 |
erlon-airlong | patrickeast: yes | 19:03 |
patrickeast | erlon-airlong: cool, will do | 19:03 |
erlon-airlong | patrickeast: nice, thanks! | 19:04 |
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prometheanfire | smcginnis: ping? | 19:14 |
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openstackgerrit | Eric Harney proposed openstack/cinder: Use oslo.privsep for LIO https://review.openstack.org/312498 | 20:05 |
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openstackgerrit | Eric Harney proposed openstack/cinder: Add 'unmanaging' state to volumes and snapshots https://review.openstack.org/405620 | 20:30 |
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openstackgerrit | Merged openstack/cinder: NetApp Data ONTAP driver enhanced support logging https://review.openstack.org/389794 | 21:01 |
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Swanson | What is actually blocked if a backend is "frozen"? Anything? Is it on the driver to enforce this? | 21:12 |
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patrickeast | Swanson: it was supposed to be pretty much everything except attach, detach, delete... i think there is a patch up right now that tightens what is allowed since it wasn't really doing that before very well | 21:18 |
patrickeast | Swanson: https://review.openstack.org/#/c/402923/ | 21:18 |
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Swanson | patrickeast, So it isn't just my imagination then. | 21:19 |
patrickeast | Swanson: nah, the codes crazy... not you | 21:19 |
* patrickeast makes grand assumptions | 21:20 | |
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Swanson | patrickeast, Thanks for the link to that patch. | 21:21 |
patrickeast | Swanson: np | 21:22 |
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Swanson | Hate when the "wait, does this actually work the way I thought it did" moment comes really late. | 21:26 |
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jgriffith | Swanson: patrickeast so it was *supposed* to shutdown the service and keep you from doing *anything*, but that didn't quite work out :( | 21:30 |
patrickeast | jgriffith: i thought it was for like once you enabled the service it gave limited functionality so you could like reattach volumes or whatever to clean things up before letting things go back to normal | 21:30 |
jgriffith | Swanson: I fully expected you to be the defacto expert on this thing by now | 21:30 |
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Swanson | patrickeast, that's what I thought. | 21:31 |
* patrickeast is realizing why this ended up in a weird implementation after we all have different ideas about it | 21:31 | |
jgriffith | patrickeast: oh, the freeze part si-seniors | 21:31 |
Swanson | jgriffith, I'm a defacto expert on how to create an implementation that is broken by every since extension of the original idea. | 21:32 |
patrickeast | lol | 21:32 |
Swanson | since? single | 21:32 |
jgriffith | patrickeast: so yeah, it was supposed to just say you can't do anything new or delete anything cuz times are scary right now | 21:32 |
patrickeast | jgriffith: yea that gels with that i was remembering | 21:32 |
jgriffith | Swanson: I say you propose a patch to remove it altogether.. and maybe do a V3 :) | 21:33 |
jgriffith | patrickeast: yeah... sorry; me was confused | 21:33 |
patrickeast | haha new microversion | 21:33 |
Swanson | jgriffith, smcginnis gets an eye twitch when I talk about V3. | 21:33 |
jgriffith | patrickeast: it would've worked that way IF I weren't so stupid and never put in the "disable" column for the service in the DB :( | 21:33 |
jgriffith | somehow got lost in the shuffle and was missed | 21:34 |
patrickeast | bummer | 21:34 |
jgriffith | I blame rebasing :) | 21:34 |
Swanson | jgriffith, I really like the simplicity of the "times are scary" approach. If you can attach and detach you can get back to your starting point. | 21:34 |
jgriffith | Swanson: I'm biased but I liked it too :) | 21:35 |
jgriffith | Swanson: we actually had a really good collaborative group discussion that whole thing at the mid-cycle in NC | 21:35 |
jgriffith | Swanson: one of the better, more productive group efforts of the Cinder team IMHO | 21:36 |
Swanson | jgriffith, That's where it went to the simplest approach, right? And right afterwards was when it started being extended back to the less simple approach? | 21:36 |
Swanson | People are a problem. | 21:37 |
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Swanson | Google translate has its own language now. Just a matter of time before it's coding all this and taking over the world. We all thought it would be skynet. Nope. Google translate. | 21:38 |
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jgriffith | Swanson: yeah, that's kinda how it goes :( | 22:02 |
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alkodos | Hi everyone! I was wondering if there is a way to make quiesced snapshots in cinder, so that I can safely snapshot volumes that are attached to instances? Tried to google this, but only found some old blueprints which were not implemented... Is there a way to do this? | 22:27 |
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