Tuesday, 2015-06-30

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openstackgerritPatrick East proposed openstack/cinder: WIP generic image cache  https://review.openstack.org/19579500:46
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openstackgerritPatrick East proposed openstack/cinder: WIP generic image cache  https://review.openstack.org/19579500:50
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openstackgerritLisaLi proposed openstack/cinder: Add dependency check in RBD delete_snapshot  https://review.openstack.org/19300301:39
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openstackgerritchenzongliang proposed openstack/cinder: Refactor Huawei Volume driver  https://review.openstack.org/18824001:47
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openstackgerritwanghao proposed openstack/cinder: Incremental backup improvements for L  https://review.openstack.org/18832802:28
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openstackgerritJessy Lee proposed openstack/cinder: Fix getting wwpn information in infortrend driver for DS4000  https://review.openstack.org/19452403:01
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openstackgerritwanghao proposed openstack/cinder: Do not allow to modify access for public volume type  https://review.openstack.org/19454903:37
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openstackgerritchenzongliang proposed openstack/cinder: Refactor Huawei Volume driver  https://review.openstack.org/18824005:27
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openstackgerritTeruaki Ishizaki proposed openstack/cinder: sheepdog: Add class for dog command executor  https://review.openstack.org/19453205:53
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Sharath_Hi , am getting following error : die 427 'c-api did not start , how to resolve this ?05:58
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DuncanTSharath_: Devstack?06:43
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Sharath_am using devstack : stable/kilo06:44
DuncanTAnything in the cinder-api log?06:44
Sharath_http://www.paste.org/79136 this is the log , (no such option: config_file  reason for error)06:44
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DuncanTThat's not an error I recognise, but it is your issue. Can you paste up your cinder.conf, please? (Watch out, it migh contain passwords)06:46
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Sharath_cinder.conf : http://www.paste.org/7914006:50
Sharath_yes it contain password : user_domain_id = default06:51
Sharath_password = password06:51
Sharath_username = cinder06:51
Sharath_auth_url =
Sharath_auth_plugin = password06:51
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mkodererSharath_: seems there is a syntax error in line 38?06:52
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Sharath_[database] : line 3806:52
Sharath_its correct06:52
mkodererSharath_: no 38 is just a "c"06:53
mkodererat least that what I see in your pasted snipped06:53
Sharath_oh yeah : connection = mysql://root:password@
Sharath_its problem with paste.org06:55
mkodererSharath_: I don't see an obvious mistake.. but DuncanT is the expert :)06:56
DuncanTLots of lines look truncated there, e.g. 23, 28, 2906:58
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openstackgerritTaoBai proposed openstack/cinder: Storwize Driver zone removing  https://review.openstack.org/19696607:06
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VikashUnable to create volume with sample cinder driver (using devstack)07:38
Vikashdetail info posted at https://ask.openstack.org/en/question/69120/failed-to-run-schedulecreatevolumetask-no-weighed-host/07:39
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Vikashcan someone please help07:40
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openstackgerritJessy Lee proposed openstack/cinder: Fix getting wwpn information in infortrend driver for DS4000  https://review.openstack.org/19452407:48
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winston-dgeguileo: hey08:19
geguileowinston-d: Hi08:19
winston-dgeguileo: i'm confused about your comment regarding to https://review.openstack.org/#/c/189261/08:19
winston-dgeguileo: you agreed with me but you +1?08:19
geguileowinston-d: Well, everyone else want the change08:19
geguileowinston-d: And the patch is correct08:20
winston-dIs it?08:20
geguileowinston-d: Correct in the sense that the code is right08:20
geguileowinston-d: Not in the sense that I think we should not enforce reserved space for free virtual08:21
winston-ddid you had a chance to take a looke the discussion around patch set 3? https://review.openstack.org/#/c/189261/3/cinder/scheduler/filters/capacity_filter.py08:22
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geguileowinston-d: Let me look08:22
geguileowinston-d: Mmmm, is it me or the specs specify current functionallity as desired?08:24
geguileoI thought this was not documented08:25
winston-dthere is a spec about thin-provisioning08:25
geguileoThat's the one I was reading right now08:25
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geguileoAnd apparently Capacity filter is explicitly specified there08:26
wanghaoGuys, I saw the most cinder gates are "UNSTABLE". What's going on?08:28
wanghaoLooks like nova has same problem too....08:29
winston-dyeah, Capacity filter needed to be change to support thin provision, that's the reason it was mentioned in the spec08:29
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openstackgerritTeruaki Ishizaki proposed openstack/cinder: sheepdog: Add class for dog command executor  https://review.openstack.org/19453208:41
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openstackgerritPeter Wang proposed openstack/cinder: Add white list support for target ports in VNX driver  https://review.openstack.org/19697908:43
openstackgerritDaniel Tadrzak proposed openstack/cinder: ConsistencyGroup Object  https://review.openstack.org/16364108:43
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-openstackstatus- NOTICE: OpenStack CI is down due to hard drive failures08:47
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geguileowinston-d: Now I'm not sure if I completely understanding the problem...08:47
geguileowinston-d: This is what I see08:47
geguileowinston-d: For thin or thick only provisioning there's no difference08:48
geguileowinston-d: It's when mixing thin and thick that there's a different behavior08:48
winston-dwell, for thick Capacity filter remains the same. its behavior changed for thin.08:49
geguileowinston-d: Right, for thin changed as well08:50
geguileowinston-d: So before we used "overprovisioned free" to check08:51
geguileowinston-d: I say overprovisioned instead of virtual because one is free * over_subscription_ratio and the other is total * oversubscription_ratio - provisioned08:52
geguileowinston-d: And now we will not check it, right?08:53
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Vikashwhat is the meaning of this error: cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: No valid host was found. No weighed hosts available09:00
winston-dgeguileo: Vipin's change won't check size against overprovisioned free or virtual free09:01
winston-dVikash: it means your scheduler can't find any volume service that satisfied the volume create requirement.09:01
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Vikashwinston-d: Thanks, as i am new to openstack. Any clue what and where i went wrong in configuration09:05
Vikashwinston-d: detailed information is posted here https://ask.openstack.org/en/question/69120/failed-to-run-schedulecreatevolumetask-no-weighed-host/09:05
geguileowinston-d: winston-d But if it's checking that we have not exceeded  over_provisioned_ratio we know that it hasn't exceeded virtual_free right?09:06
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winston-dgeguileo: over_provisioned_ratio doesn't take reserved_percentage into account, virtual_free should09:07
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geguileowinston-d: Oh, right09:10
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winston-dneed to run now.09:19
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openstackgerritDaniel Tadrzak proposed openstack/cinder: CGSnapshot Object  https://review.openstack.org/19502709:35
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openstackgerritAndrey Pavlov proposed openstack/cinder: Fix doc string definitions  https://review.openstack.org/19312409:43
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shyamaVikash: does your driver implement the get_volume_stats and publish its stats? the cinder scheduler will not select a backend if it does find enough free capacity09:50
shyamathe cinder scheduler logs should have more information09:51
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Vikashshyama: As part of learning I added all dummy defination (adding LOG and returning pass)09:55
Vikashto verify whether call is reaching to the new driver09:55
openstackgerritTeruaki Ishizaki proposed openstack/cinder: sheepdog: Add class for dog command executor  https://review.openstack.org/19453209:56
Vikashshyama: Can you please let me know which all def are mandatory for cinder to atleast claim driver09:56
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openstackgerritIvan Kolodyazhny proposed openstack/cinder-specs: Cinder API WSGI application under Apache/Nginx  https://review.openstack.org/19268310:03
openstackgerritVincent Hou proposed openstack/cinder: Implement the update_migrated_volume for the drivers  https://review.openstack.org/18087310:06
shyamaVikash: what do the scheduler logs have? which filters are failing?10:11
Vikashshyama: logs posted here https://ask.openstack.org/en/question/69120/failed-to-run-schedulecreatevolumetask-no-weighed-host/10:14
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Vikashshyama: 2015-06-29 08:29:40.466 ERROR cinder.scheduler.flows.create_volume [req-4bf3a53a-6475-420f-8f87-f871c156d406 admin] Failed to run task cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: No valid host was found. No weighed hosts available10:15
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shyamaFor fake driver implementation check cinder.volume.driver.FakeISCSIDriver10:19
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openstackgerritAnton Arefiev proposed openstack/cinder: Add entry create and cast tasks to manage workflow  https://review.openstack.org/13907110:33
openstackgerritAnton Arefiev proposed openstack/cinder: Fix lvm manage existing volume  https://review.openstack.org/15693910:33
Sharath_1cinder failed : http://pastebin.com/ev9vXxay [cinder conf]10:34
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Vikash_czshyama: I don't have def get_volume_stats defined in my dummy driver10:56
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Vikash_czshayma: Getting interanal error while accepting DCC11:05
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Tooz locks  https://review.openstack.org/18353711:08
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smcginnisWow, gate looks pretty bad this morning.11:23
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smcginnisHah, outage due to drive failures. Darn storage.11:24
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openstackgerritDmitry Guryanov proposed openstack/os-brick: remotefs: add virtuozzo storage support  https://review.openstack.org/18880511:46
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e0nesmcginnis: thanks for notification!11:50
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smcginnise0ne: ;)12:02
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smcginnisrakesh_mishra_: Hold off on the reverifies for now. CI is having some issues.12:02
rakesh_mishra_@smcginnis: ok12:03
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dulekgeguileo: Hi, what's happening in lines 94 and 101 here - https://review.openstack.org/#/c/183222/8..9/cinder/objects/backup.py?12:08
geguileodulek: Yep, remember last weeks conversation with superdan?12:10
geguileodulek: He recommended not to overwrite obj_get_changes but create our own12:10
dulekAh, right. Your patch is dependent. Thanks you! :)12:10
geguileodulek: And use it instead, so it was clear that this was a cinderism12:10
geguileodulek: np12:11
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openstackgerritGorka Eguileor proposed openstack/cinder: Fix backup metadata import missing fields  https://review.openstack.org/18322212:37
openstackgerritGorka Eguileor proposed openstack/cinder: Fix saving tz aware datetimes in Versioned Objects  https://review.openstack.org/19607112:37
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openstackgerritVictor Stinner proposed openstack/cinder: Port dothill to Python 3  https://review.openstack.org/19704912:46
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openstackgerritVictor Stinner proposed openstack/cinder: Port dothill to Python 3  https://review.openstack.org/19704912:51
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hayposmcginnis: done ;) oh, you should read my comments on the patch set 112:52
hayposmcginnis: it explains why/how the code worked before my change :) (by accident)12:52
smcginnishaypo: ;)12:53
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hayposmcginnis: i just discovered that os-brick is not compatible with Python 3 yet12:54
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haypowell, not fully12:54
smcginnishaypo: Not too bad I hope.12:54
smcginnishaypo: Are you working with (or aware of) the patch from James Page?12:56
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hayposmcginnis: which patch?12:57
smcginnishaypo: https://review.openstack.org/#/c/19421612:57
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hayposmcginnis: oh, i didn't know this patch12:58
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smcginnishaypo: In your 5 second evaluation - does that look like it will address the issues?13:00
hayposmcginnis: i wrote a very similar patch13:01
smcginnishaypo: Did you push that up? I didn't notice one.13:01
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hayposmcginnis: i worked on cinder last days locally, i'm cleaning my patches before sending them13:02
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haypodothill was the first patch13:02
haypoi have ~10 other patches in my queue :)13:02
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smcginnishaypo: Patches that touch all the code are so much fun. :P13:03
hayposmcginnis: i'm now trying to write very short patches. otherwise, reviewers are too scared13:03
haypothe dothill is "very short" (compared to other of my patches)13:04
haypo 12 files changed, 54 insertions(+), 43 deletions(-)13:04
haypo^^ this patch is probably too big for example13:04
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smcginnishaypo: Also depends on what the actual changes are. But I agree, probably easier to get smaller focused patches reviewed than larger ones that are all over the place.13:05
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hayposmcginnis: this patch changes many different things to fix various tests13:06
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haypoi'm trying to fix tests one by one in cinder/tests/unit/test_*.py13:06
haypoi'm around the letter I :-)13:06
scottdawinston-d_afk: e0ne DuncanT I've added some content to CinderNovaAPI etherpad. I'd like to flesh out more of the Design Questions and Use Cases. Goal is to bring some concrete proposals to the mid-cycle next month.13:07
smcginnishaypo: You've got a long road in front of you. :)13:07
hayposmcginnis: yep13:07
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openstackgerritVictor Stinner proposed openstack/os-brick: Port os-brick to Python 3  https://review.openstack.org/19706213:15
hayposmcginnis: i proposed to add a non-voting py34 check job to os-brick: https://review.openstack.org/19706413:18
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openstackgerritVictor Stinner proposed openstack/cinder: Port hitachi driver to Python 3  https://review.openstack.org/19706513:24
openstackgerritVictor Stinner proposed openstack/cinder: Port huawei driver to Python 3  https://review.openstack.org/19706813:26
scottdadulek: I see  your name in CinderNovaAPI etherpad as well.  https://etherpad.openstack.org/p/CinderNovaAPI13:26
scottdaand anyone else interested.13:26
dulekscottda: What's up?13:27
scottdaI updated the CinderNovaAPI etherpad and wanted to alert those interested. I'd really like to work on Big Picture ® Design Ideas before the mid-cycle13:28
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openstackgerritVictor Stinner proposed openstack/cinder: Port IBM driver to Python 3  https://review.openstack.org/19707013:28
dulekI'll take a look, thanks! :)13:28
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openstackgerritVictor Stinner proposed openstack/cinder: Port test_db_api to Python 3  https://review.openstack.org/19707213:32
openstackgerritVictor Stinner proposed openstack/cinder: Port remotefs driver to Python 3  https://review.openstack.org/19707513:38
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hayposmcginnis: in cinder/volume/drivers/remotefs.py i found share_info[0].strip().decode('unicode_escape') in the code parsing the configuration file of shares13:42
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hayposmcginnis: do you know if 'unicode_escape' was a deliberate choice?13:43
hayposmcginnis: it's a very special encoding, usually only used in python, internally13:43
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hayposmcginnis: it's a question for https://review.openstack.org/19707513:44
smcginnishaypo: I do not know, but would guess it wasn't a deliberate choice.13:44
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smcginnishaypo: git blame points to eharney. Maybe once he's around we should see if he remembers.13:45
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hayposmcginnis: a deeper git blame gave me the answer: https://bugs.launchpad.net/cinder/+bug/118098413:54
openstackLaunchpad bug 1180984 in Cinder "NFS driver breaks if volume name contains spaces" [Undecided,Fix released] - Assigned to Anton Frolov (anton0)13:54
smcginnishaypo: unicode_escape is needed for that?13:55
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hayposmcginnis: the purpose of unicode_escape is to support 'x.y.z.w:/foo\040bar' syntax where \040 is an escaped scape13:55
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smcginnishaypo: Ah, I see.13:55
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openstackgerritVictor Stinner proposed openstack/cinder: Port remotefs driver to Python 3  https://review.openstack.org/19707513:59
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openstackgerritMichal Dulko proposed openstack/cinder: Mock socket.gethostbyaddr in test_v7000_fcp  https://review.openstack.org/19709114:02
openstackgerritVictor Stinner proposed openstack/cinder: Port drbdmanagedrv driver to Python 3  https://review.openstack.org/19709514:04
openstackgerritVictor Stinner proposed openstack/cinder: Port image/glance.py to Python 3  https://review.openstack.org/19709914:09
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openstackgerritVictor Stinner proposed openstack/cinder: Fix Python 3 issues in targets unit tests  https://review.openstack.org/19710514:23
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openstackgerritErlon R. Cruz proposed openstack/cinder: Move HDS drivers to Hitachi folder  https://review.openstack.org/19710814:27
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openstackgerritErlon R. Cruz proposed openstack/cinder: Move HDS drivers to Hitachi folder  https://review.openstack.org/19710814:49
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-openstackstatus- NOTICE: The log volume was repaired and brought back online at 14:00 UTC. Log links today from before that time may be missing, and changes should be rechecked if fresh job logs are desired for them.14:52
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openstackgerritVictor Stinner proposed openstack/cinder: Fix Python 3 issues in cmd  https://review.openstack.org/19712414:55
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openstackgerritVictor Stinner proposed openstack/cinder: Fix Python 3 issues in HDS tests  https://review.openstack.org/19712715:04
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openstackgerritVictor Stinner proposed openstack/cinder: Fix Python 3 issues in Windows tests  https://review.openstack.org/19713115:11
hayposmcginnis: i warned you of the rain of small Python 3 patches :-D15:11
jungleboyjHopefully it doesn't turn to hail.15:11
haypooh by the way, i found a bug in eventlet when trying to port cinder/tests/unit/test_emc_vmax.py => https://github.com/eventlet/eventlet/pull/23715:12
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haypojungleboyj: haha15:12
smcginnishaypo: Nice!15:12
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openstackgerritVictor Stinner proposed openstack/cinder: Fix Python 3 issues in HDS tests  https://review.openstack.org/19712715:15
openstackgerritVictor Stinner proposed openstack/cinder: Port remotefs driver to Python 3  https://review.openstack.org/19707515:15
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jordanPHi. Can someone point me to a maintainer of the glusterfs cinder driver please ?15:19
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jungleboyjjordanP: I would start with eharney .  He should be able to get you pointed in the right direction.15:22
eharneyjordanP: that would be deepakcs/bharatk but since they aren't here right now, i can maybe help15:23
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jordanPeharney, hi. So I notice this in the driver: https://github.com/openstack/cinder/blob/master/cinder/volume/drivers/glusterfs.py#L33115:25
openstackgerritShay Halsband proposed openstack/cinder: XtremIO support for iscsi discovery auth  https://review.openstack.org/18935815:25
jordanPbut in my test, it's possible to extend a volume even though it has some snapshots15:25
dulekxyang1: Hi, I've answered you in https://review.openstack.org/#/c/193167/ . Can you take a look and tell mi if I'm missing something?15:25
eharneyjordanP: your test with the glusterfs driver?15:25
jordanP(I am reworking the scality sofs driver to reuse the RemoteFS base code)15:26
eharneyah right15:26
jordanPeharney, my  test with a new driver15:26
jordanPthat reuse RemoteFS and copy also some parts of the glusterFS driver :p15:26
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eharneyjordanP: how do you do that?  just resize the base volume file?15:27
jordanPbasically if I comment the line that raise exception.InvalidVolume(msg), everyghint still works fine15:27
jordanPeharney, yes15:27
xyang1dulek: I am in a meeting for another hour and half, I need to go through your answer later, can you also comment on why you need to keep snapshot_id, source vol id, image id, replica source, etc, how are they used differently15:27
eharneyjordanP: seems plausible to me... i think i just put that check there to be safe and make things simpler at the time15:28
dulekxyang1: I will, I should have added that in the first place. Thanks!15:28
jordanPeharney, the thing is, if exception.InvalidVolume is raised, the status of the volume become resize_error and it's not possible to delete it anymore, as a non-admin user15:28
eharneyjordanP: well that's pretty unfriendly15:29
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eharneyjordanP: are you going to submit this change for your driver?15:30
jordanPimo it's safe to extend a volume even if it has dependent snapshot, but I prefere to be safe than sorry...15:30
jordanPeharney, I am. Next week or so15:30
jordanPbut it's a big change15:30
jordanPbecause I rewrote 70% of my driver. But it's worth it because sharing some code is better then duplicating of course15:31
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hodosthingee: hi Mike, can you please remove block from https://review.openstack.org/#/c/188877/15:31
eharneyjordanP: sounds good15:31
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smcginnishodos: Won't make much difference for a few months now.15:32
jordanPso what I'd like for the glusterfs community, if I may ask, is to test volume extend with volume with snapshots, to confirm that 'it works'15:32
hodossmcginnis: interesting15:33
hodossmcginnis: our driver was here15:34
eharneyjordanP: i'll write an email connecting you and the guys working on that, and maybe write an enhancement bug to track this too15:34
hodossmcginnis: https://etherpad.openstack.org/p/cinder-liberty-drivers15:34
jordanPeharney, great, thanks !15:34
smcginnishodos: Yeah, it was close. The deadline to be merged was the 19th though, so it's not going to be until M opens up. Sorry.15:35
hodossmcginnis: couple of drivers have been merged after 19th15:36
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jordanPeharney, just one last thing, as there been any discussion about removing all the drivers from the cinder-repo ? (like what neutron did more or less ?). If so, what's the status quo on that topic ?15:37
eharneyjordanP: it gets brought up from time to time but i don't know that there's anything solid forming around that at this point15:38
jordanPeharney, ok, thanks15:39
eharneyjordanP: https://review.openstack.org/#/c/184951/ is the latest discussion15:39
jungleboyjsmcginnis: What a man, starting an etherpad for our presentations!15:42
smcginnisjungleboyj: I knew email would be too painful. :)15:43
jungleboyjsmcginnis: Good idea.15:43
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hodosthingee: can you please confirm that nexenta 4 drivers are out of L15:54
geguileojgriffith: LIO issue on Juno: https://review.openstack.org/#/c/197149/15:55
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jgriffithgeguileo: thanks!16:03
jgriffithgeguileo: I accidentally hit recheck :(16:03
jgriffithgeguileo: scanned to quickly and it was the GPFS job that never works and reports no logs16:04
geguileojgriffith: No problem16:04
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Filter cgsnapshots data on the DB side  https://review.openstack.org/19716316:08
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openstackgerritDmitry Guryanov proposed openstack/cinder: smbfs: fix invalid check for smbfs_used_ratio correctness  https://review.openstack.org/19032616:10
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jyoti-ranjanI have following specific questions for NetApp driver: (1) will FAS8060 and FAS8020 work with Juno driver (2) Can we use kilo NetApp driver with Juno OpenStack? Or what it will take to make it happen16:12
jgriffithhemna: ping16:13
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jgriffithhemna: hey there16:14
hemnawhat's up16:14
jgriffithhemna: do you have any plans to tag an os-brick version any time soon?16:14
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jgriffithhemna: I keep hitting a couple things that I *think* might be fixed16:14
hemnaI thought we were going to do releases based on milestones16:15
hemnaI can't do it actually.16:15
jgriffithhemna: for brick?16:15
hemnaonly thingee can.16:15
jgriffithhemna: Oh16:15
jgriffithhemna: well, then never mind I guess :)16:15
jgriffithhemna: just makes things kinda painful if CI's have failures due to something in os-brick16:15
openstackgerritYuriy Nesenenko proposed openstack/cinder: Filter cgsnapshots data on the DB side  https://review.openstack.org/19716316:15
hemnayah, understandable.16:16
hemnaI think we should do milestone based drops, just like cinderclient.16:16
jgriffithhemna: seems reasonable to me16:16
jgriffithhemna: assuming we do them this release :)16:16
jgriffithhemna: we "forgot" to do any during Kilo :(16:17
hemnayah :(  that kinda hurt horizon a bit.16:17
hemnalive and learn.16:17
hemnaPTL just has to remember to try and do drops on the milestones....along with the other 3x10^50 things he has to do :)16:17
jgriffithDuncanT: ping16:18
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: FC Eliminate the need to return devices list  https://review.openstack.org/19535916:39
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mtaninogeguileo: hi,16:46
geguileomtanino: Hi16:46
mtaninogeguileo: I'm looking you stable/juno fix,16:47
geguileomtanino: The one about the LIO?16:47
mtaninogeguileo: yes, LIO ifx16:47
geguileomtanino: Seen anything you don't like? :)16:47
mtaninogeguileo: so in my understanding, without terminate_connction for LIO driver hits this problem https://review.openstack.org/#/c/130399/416:48
geguileomtanino: Yes, that is correct16:48
geguileomtanino: But that is a complete different matter  :)16:48
mtaninogeguileo: oh, really? I'm missing something16:49
geguileomtanino: This patch tries to make LIO work again as it was expected to work in Juno16:49
geguileomtanino: Whether that other patch makes it to Juno or not is not related16:49
mtaninogeguileo: ok. let me check again. Thanks16:50
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geguileomtanino: What I mean is that I think Juno is on critical and security only fixes now: https://wiki.openstack.org/wiki/StableBranch#Support_phases16:54
mtaninogeguileo: OK, I understand your intention. That patch just make LIO work again.16:56
geguileomtanino: That's right16:56
geguileomtanino: I agree that it would be interesting to backport the other one and I would have no problem doing that16:57
geguileomtanino: But I don't think it will meet the criteria to get merged  :(16:57
mtaninogeguileo: I thought https://review.openstack.org/#/c/130399/4 was landed in Juno but not.16:57
mtaninogeguileo: Yes, this is not critical or security.16:58
geguileomtanino: I thought so too, that's why the other backport broke LIO16:58
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geguileomtanino: Because I didn't realize that that patch wasn't merged  :(16:58
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mtaninome too :(16:58
geguileomtanino: But it's a really easy backport16:59
geguileomtanino: Even backporting it to Icehouse is quite simple :)16:59
mtaninogeguileo: yes, it's correct but I think it's required exception for backporting from cores.17:00
Pv_hey guys i just was reading the lvm reference/base driver.py file and I wanted to ask about the target mappings and what they're purpose is17:00
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Pv_and i don't see one for FC17:00
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geguileoPv_: That's iSCSI specific. That's why they are configured with iscsi_helper (tgt, lio...)17:03
geguileoPv_: What you see is correct17:03
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Pv_ok, i was looking at the fibre channel base driver and i wanted to know if there's any documentation detailing the implementation of the methods provided in it17:05
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geguileoPv_: Sorry, I haven't touched any FC drivers, so can't help you17:12
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dulekgeguileo: If you can take a look on https://review.openstack.org/#/c/183222/. I've found a little issue there.17:22
* geguileo looks at link17:23
dulekgeguileo: Just a simple leftover file I think.17:24
geguileodulek: I don't have that file17:24
geguileodulek: Oh, wait17:25
geguileodulek: You are totally right  XD17:26
geguileodulek: Really great catch17:27
geguileodulek: I'll remove it now17:27
dulekgeguileo: np :)17:27
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openstackgerritGorka Eguileor proposed openstack/cinder: Fix backup metadata import missing fields  https://review.openstack.org/18322217:33
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thingeehemna, jgriffith: we want to tag something this week?17:38
jgriffiththingee: I'm trying to figure that out :(17:38
hemnathingee, I'd like to get a few of the in flight patches in.17:38
jgriffiththingee: I'm seeing all sorts of brick connection errors in my CI17:39
thingeeoh no :(17:39
thingeejgriffith: can you give me your logs?17:39
jgriffiththingee: yeah, just a sec...17:39
hemnajgriffith, it would be helpful to see your CI added to the os-brick patches17:39
hemnathat will help a lot.17:39
hemnawe have a few folks that have done it.17:39
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jgriffithhemna: but it should't matter if the version tested in brick isn't the version in Cinder :)17:39
jgriffithhemna: but yes17:40
jgriffithhemna: thingee also TBC I'm not saying it's somethign wrong with brick17:40
hemnathe os-brick patch CI makes sure that the next version of os-brick doesn't break cinder17:40
jgriffithhemna: thingee just noticed everything has been failign this morning17:40
thingeejgriffith: absolutely, was also just seeing if I can see anything to help your ci.17:40
jgriffithhemna: and I'm still getting that no entries error that I pushed the fix for a while back17:40
jgriffiththingee: yeah17:40
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hemnajgriffith, because we haven't pushed a new drop to pypi ?17:41
jgriffiththingee: hemna it might be something flaked out on my network.  Looking into it17:41
thingeejgriffith: ah those login issues?17:41
jgriffithhemna: Yeah, the no entries in DB is *hopefully* fixed by that patch17:41
jgriffiththingee: yeah... the login issues17:41
jgriffiththingee: it's always on the upload image17:41
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hemnaok.   cool.   we would be able to verify it, if we had your CI plugged in to os-brick patches :)17:41
jgriffithhemna: ok, ok, fine... I'll get another system up and running for os-brick17:42
thingeejgriffith: does this also happen consistently if you run just that one upload image test?17:43
jgriffiththingee: anyway... I'm setting up a new run to take a look and see if I can figure out what's going on17:43
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hemnajgriffith, ok if you need any help, let me know17:43
jgriffiththingee: not sure yet17:43
jgriffithhemna: thingee thanks17:43
hemnaFWIW, I added a patch on friday to test against py3417:44
hemnaI'd like to get that one in, if we are going to tag a new drop17:44
thingeejgriffith: I would just get to the point of having windows open on the target side, breakpoints to do manual logins from another machine, etc.17:44
jgriffiththingee: yep, setting that up now :)17:45
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thingeejgriffith: ok, let me know if we need to resort to the rubber duck method.17:46
thingeejgriffith: seriously did it last week on an issue I was staring out for days. worked like a charm and I had a duh moment.17:47
jungleboyjthingee: Rubber duck method?17:48
thingeejungleboyj: https://en.wikipedia.org/wiki/Rubber_duck_debugging17:49
thingeeI believe it's the reason why enovance was giving rubber ducks as swag at hong kong.17:49
* jungleboyj laughs17:50
thingeelaugh all you want. I'm a believer!17:50
jungleboyjThat does work,  I have solved many issues that way, just didn't know I could do it with a rubber duck.17:50
jgriffiththingee: it works... :)17:50
jgriffiththingee: we used to have a stuffed-animal/Gorilla17:51
* jungleboyj isn't laughing at the process, just the duck. 17:51
* jungleboyj needs to make use of the penguins in my office.17:51
jgriffithjungleboyj: oooh... Penguins are good at conversation!17:52
jgriffithjungleboyj: they always seem to be listening intently17:52
jgriffithRubber Ducks just seem to be laughing at you17:52
jungleboyjjgriffith: +217:52
* thingee wishes a penguin would just tell him not to bother with the "rubbish" of that code path and look here instead17:53
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smcginnishemna: I think there are at least three patches up right now to add py3 testing to os-brick.17:54
smcginnishemna: Oh, I see you've down voted them now. Good, rather see the efforts focused on just one.17:56
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smcginnishemna: Victor's patch looks like it has some goodness. Maybe merge some of his changes into yours?18:05
jungleboyjthingee: That would be nice.  :-)18:06
jungleboyjThough, if the penguin starts talking ...18:07
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smcginnisjungleboyj: Only in Washington, Oregon, and Colorado. ;)18:07
patrickeastso.. i’m looking into adding some notifications to ceilometer, after poking around for a few mins it looks like this notifier https://github.com/openstack/cinder/blob/master/cinder/rpc.py#L162 and doing .info() calls on it is the way to do that, right?18:08
* jungleboyj laughs18:08
patrickeastor is that a different message bus?18:08
e0nepatrickeast: we've got differet notifiers. just search 'rpc.get_notifier(' across the sources18:11
patrickeaste0ne: gotcha, so if i’m sending them from the volume service i should use one with like rpc.get_notifier(“volume”, host)18:12
patrickeaste0ne: and the .info() publishes to the topic ceilometer is listening on then, right?18:12
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patrickeasterr wait, service has a bunch of them (backup, replication, volume etc)… not like each actual service service18:15
* patrickeast goes to read ceilometer docs18:16
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hemnasmcginnis, yah I just noticed those this morning.  I had submitted mine last week18:18
openstackgerritTom Swanson proposed openstack/cinder: Dell SC: Add support for consistency groups  https://review.openstack.org/19681818:18
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: update os-brick to pass python3 tests  https://review.openstack.org/19628418:27
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e0nehemna: hi. just FYI. i filed blueprint https://blueprints.launchpad.net/cinder/+spec/use-cinder-without-nova. i hope, spec will be ready for review in next few days18:47
avishayHey all, has anyone seen this with tgt?  rtslib.utils.RTSLibError: This _Backstore already exists in configFS18:47
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hemnae0ne, hey cool.  I had planned on adding this to the cinderclient.18:48
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thingeeavishay: something is wrong there :) ... you either use tgt or rtslib :)18:48
e0nehemna: we definatly need it :)18:48
avishaythingee: my cinder.conf says "tgtadm" - why would it use rtslib?  i don't understand18:48
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thingeeavishay: lioadm is nowhere in your cinder.conf?18:50
openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: update os-brick to pass python3 tests  https://review.openstack.org/19628418:52
avishaythingee: it was, but lioadm is broken in juno and has no CI, so we moved to tgtadm...will double check tomorrow to make sure. thanks!18:53
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Swansonmanage_existing question.  This is for both mounted and unmounted volumes?18:53
thingeeavishay: ok, that's all I can think of is iscsi_helper=lioadm .. at least how that module gets loaded18:54
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avishaythingee: ok, a co-worker of mine set up this test env, will need to check it. thanks for the tip!18:54
mtaninoavishay: Hi, A patch was proposed to fix juno/stable issue. https://review.openstack.org/#/c/197149/118:54
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avishaymtanino: thanks, but i won't run LIO as long as it's not tested in the gate18:56
mtaninoavishay: I understand.18:56
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mtaninothingee: Hi, May I ask a quick question about your spec? https://review.openstack.org/#/c/183947/19:04
openstackgerritErickson Filipe Guedes dos Santos proposed openstack/cinder: Nested Quota: Set default values to subproject  https://review.openstack.org/19440619:04
thingeemtanino: sure...ugh yeah need to start that back up again19:04
mtaninothingee: I'm waiting the spec will be landed because my spec refer your spec :) so I'd like to know your plan19:05
thingeemtanino: Yeah I need to take a closer look at what people are asking for with the graffiti stuff19:06
thingeemtanino: do you have thoughts?19:06
thingeepersonally I don't think this information should be stored19:06
thingeebut maybe the cache isn't that big of a deal19:06
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thingeemtanino: brb19:06
mtaninothingee: I agree the get_capabilities to get capability list from drivers.19:07
mtaninothingee: hmm, should be stored or not..19:08
mtaninothingee: Since the capabilities are not static information for the back-end storage, I guess we don't need to have these on DB, IMHO19:10
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mtaninoare not / are19:10
openstackgerritErlon R. Cruz proposed openstack/cinder: Fix migration on HNAS NFS driver  https://review.openstack.org/19723319:11
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thingeemtanino: I agree.19:33
mtaninothingee: Nice.19:34
thingeejgriffith: can you do me a favor? Can you post a revision of https://review.openstack.org/#/c/183947/ with the scheduler bit? I think you have a better idea of how that should work than I do.19:35
thingeejgriffith: Or I can have winston-d_afk take a look19:35
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avishaythingee: just verified - iscsi_helper = tgtadm :-/19:41
thingeeavishay: are you using lvm?19:42
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eharneyavishay: is this a multi-backend setup?19:43
avishaythingee: volume_driver = cinder.volume.drivers.lvm.LVMISCSIDriver19:43
avishayeharney: it's configured as multi-backend, but there is only one19:43
eharneyavishay: you have to set iscsi_helper in the backend conf section and not default19:43
eharneyi got bit by this the other day, the behavior of the option and different sections doesn't really make sense19:44
avishayeharney: yes, it's there19:44
thingeeavishay: kilo?19:44
thingeeoh juno forgot19:45
avishaythingee: juno with latest patches cherry-picked (which broke LIO, hence tgt)19:45
avishayconfigfs is only for LIO?19:46
thingeeah there we go19:46
* thingee has to get lunch before meetings19:47
eharneyavishay: so it's loading the lioadm helper when you think it shouldn't?19:47
geguileoavishay: It only broke LIO19:47
avishayeharney: not sure...if it was using lioadm then it would be even more broken than it is...looking at the full trace...19:48
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geguileoavishay: Are you using tgt or lio?19:48
geguileoavishay: In your config19:48
avishaygeguileo: trying to use tgt :)19:48
avishaygeguileo: tgt19:48
geguileoOh, then bug introduced in Juno shouldn't affect you19:49
geguileoavishay: Because it was a specific call to a nonexistent lioadm target helper method called terminate_connection19:50
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eharneyit looks like get_target_helper() in driver.py may be reading the value from the default section instead of the backend section19:53
geguileoeharney: Then it would be a misconfiguration19:53
geguileodefault and backends must be in sync19:53
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Updated from global requirements  https://review.openstack.org/19688819:55
avishayeharney: then it should be tgt anyway for me because i don't define it in the default section and tgt is the default value19:56
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avishayi'll run it tomorrow with pdb and see what's going on19:57
geguileoavishay: So you don't lioadm defined in any of the configuration files?19:57
avishaygeguileo: no, but will triple check tomorrow19:58
avishaythanks everyone for the help, it's 11pm here, time to sign off :)19:58
geguileoavishay: Ok, talk to you tomorrow19:59
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openstackgerritOpenStack Proposal Bot proposed openstack/os-brick: Updated from global requirements  https://review.openstack.org/19399620:01
openstackgerritOpenStack Proposal Bot proposed openstack/python-cinderclient: Updated from global requirements  https://review.openstack.org/19727320:02
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e0neeharney: hi. did you have a time to investigate https://bugs.launchpad.net/cinder/+bug/1401335?20:06
openstacke0ne: Error: Could not gather data from Launchpad for bug #1401335 (https://launchpad.net/bugs/1401335). The error has been logged20:06
eharneye0ne: well... like the bot... i'm also failing to load the page20:07
e0neeharney: i'm not sure yet, but looks like you're righht and cinder is broke20:07
* e0ne doesn't want to speak with bots20:07
e0neit's "rbd calls block eventlet threads" issue20:07
eharneye0ne: ah, that one.  well.... yeah, I think Cinder is broken20:07
e0neeharney: after merging patch i found that sometimes cinder 'hangs' connecting to ceph20:08
e0neeharney: here is strace: http://paste.openstack.org/show/329543/20:08
e0neeharney: i'm still not sure what is root cause20:09
eharneythat does seem to fit20:09
eharneydo we know of a way to fix the original bug that wouldn't cause this problem?20:10
e0nenot yet20:10
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e0nei've got few ideas. i will test them tomorrow20:12
e0neeharney: i'm not sure that we need to roll-back fix or not20:13
eharneye0ne: it's mostly whether the behavior is better with the previous bug or the current bug20:14
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e0neeharney: imo, "new" bug is harder to reproduce20:15
eharneyi guess we need to see if we can find an alternate approach quickly20:16
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e0neeharney: i'm agree with you20:16
e0neeharney: i've got environment and steps to reproduce old and new bugs. will try to fix it asap20:19
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haypooh. there are 3 patches to port os-brick to Python 3, 3 patches sent the same week. fun :)20:22
haypohttps://review.openstack.org/#/c/197062/ - https://review.openstack.org/#/c/194216 - https://review.openstack.org/#/c/196284/20:22
e0neeharney: one more question20:25
eharneye0ne: sure20:26
e0neeharney: https://github.com/openstack/cinder/blob/master/cinder/volume/drivers/rbd.py#L544-L54520:26
eharneye0ne: ok?20:27
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e0neeharney: am i right that its using different threads for rados connection and RBD calls after my fix?20:28
e0neRADOSClient uses _connect_to_rados wich returns  tpool.Proxy20:29
eharneye0ne: i think it's using different greenthreads yes20:29
eharneyoh right20:29
eharneyso yes, i think so20:29
e0neeharney: i'm afrait its defferent python threads20:29
e0nenot greenthreads20:29
eharneyyeah, that's why this is problematic iirc20:30
e0nei'll try to remove tpool invoke from _connect_to_rados and test20:30
eharneymaybe you can do the same thing w/ a greenthread instead of native threads?20:30
e0neeharney: no, python-rbd invokes C-lib and blocks greenthreads20:31
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e0neoriginal issue was about it20:31
eharneyahh yeah i remember now20:32
e0neneed to get a break to sleep20:33
e0nebb tomorrow in ~12 hours20:33
eharneygood plan :)20:34
e0neeharney: i'll update you tomorrow with my status on this issue20:34
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openstackgerritVictor Stinner proposed openstack/cinder: Fix Python 3 issues in HDS tests  https://review.openstack.org/19712720:52
openstackgerritVictor Stinner proposed openstack/cinder: Port remotefs driver to Python 3  https://review.openstack.org/19707520:52
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haypoeharney: in python (python itself), it's common to write an issue number in a comment20:55
haypoeharney: but well, i don't care :) i move the bug number from the comment to the commit message20:56
eharneyhaypo: well... in my experience it doesn't help much and just leads to mess as the code gets worked on over time20:56
eharneyhaypo: and some folks always complain about the "i want to be able to understand the code on a plane w/o the bug tracker" case20:56
haypoah? they don't have access to the bug tracker? or they don't want to read each issue?20:58
eharneypersonally, i think if you have comments, they should mean enough to understand what's going on without requiring you to go read a bug too20:59
haypohum ok. but the bug number is only an additional information, it doesn't replace the text in the comment20:59
eharneymore information != better information :)20:59
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haypoeharney: i had to use git blame to understand why unicode_decode was used21:00
haypowhich pointed me to the bug tracker21:00
haypothe bug explains that they want to support spaces21:00
haypoit gives more context than a very short sentence in a comment21:00
eharneywhich is... not a good thing, i think?21:00
haypoi already heard for this trend in openstack to not mention bug number, but i just don't understand it :)21:01
haypoeharney: more context is helpful21:01
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haypoif you don't want to loose time, just skip the bug number21:02
haypowhile reading the comment. it's not like the comment is very long :)21:02
eharneythe goal is to take the useful info out of the bug and put it in the comment21:03
eharneyi'm not sure i still really get what's going on in this particular case21:04
eharneyapparently we decided on some weird config format involving \040 which is what should really be described in there21:05
openstackgerritAnthony Lee proposed openstack/cinder: Improve 3PAR driver VLUN creation and deletion  https://review.openstack.org/19616421:06
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openstackgerritJon Bernard proposed openstack/cinder: Add support for generic volume migration  https://review.openstack.org/18727021:08
haypoeharney: to be honest, i don't understand the bug so it was safer to keep a reference to it :)21:08
haypoeharney: i just read it again. supporting \040 looks unrelated to the bug :)21:09
eharneyi didn't either until i chased it back through a chain of two or three bugs/changes21:09
eharneywhich is kind of the point, after all21:09
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openstackgerritxing-yang proposed openstack/os-brick: Add connector driver for the ScaleIO cinder driver  https://review.openstack.org/18583521:14
openstackgerritxing-yang proposed openstack/os-brick: Add connector driver for the ScaleIO cinder driver  https://review.openstack.org/18583521:16
openstackgerritVictor Stinner proposed openstack/cinder: Port image/glance.py to Python 3  https://review.openstack.org/19709921:20
openstackgerritAlberto Murillo proposed openstack/cinder: Update expected error message from lvs  https://review.openstack.org/19733821:24
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smcginnishemna: ping21:45
smcginnishemna: Hey! I noticed there's still some cinder/brick stuff.21:45
smcginnishemna: Looks like mostly local devs.21:45
hemnaoh in cinder21:46
smcginnishemna: Is that sticking around, or does that need to migrate out too?21:46
hemnayah, that's the local dev stuff21:46
smcginnishemna: Yeah,21:46
smcginnishemna: That stays there?21:46
hemnawe decided that the local dev stuff wasn't going in os-brick at the time21:46
hemnaso I just left it there21:46
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hemnanot sure if it needs a new home or what, so I didn't touch it21:46
smcginnishemna: OK, cool. Just saw a patch changing something there and was surprised.21:46
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smcginnisI thought the whole folder was going away.21:46
hemnaah yah.21:46
smcginnishemna: Thanks!21:47
hemnathe original idea of brick itself was the local mgmt of lvm21:47
hemnaand cinder and nova were going to share that code as the brick lib.21:48
hemnathen it got out of hand21:48
hemnaheh, so os-brick morphed into the other shareable code.21:48
smcginnishemna: Oh well. Some shared code is better than none I suppose. :)21:48
hemnaI still think there is value in moving the local-dev stuff into brick21:48
smcginnishemna: Yeah. What's the arguments against. Seems like it would be goodness.21:49
hemnaand nova can use it as well.21:49
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hemnaI think the more volume related stuff we take over the better in the long run21:49
hemnaI think some folks just weren't happy with the local_dev code itself.21:49
smcginnishemna: Then they can fix it in one place instead of multiple. ;)21:50
hemnaand honestly, I don't know enough about lvm to have an opinion about the code.  but the idea is sound I thinks.21:50
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openstackgerritAlberto Murillo proposed openstack/cinder: Update expected error message from lvs  https://review.openstack.org/19733822:00
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openstackgerritAlberto Murillo proposed openstack/cinder: Update expected error message from lvs  https://review.openstack.org/19733822:09
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openstackgerritEric Harney proposed openstack/cinder: Remove lio_initiator_iqns config option  https://review.openstack.org/19735422:12
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Swansonso.  manage_existing.  When getting the size we are returning GB.  But since it is an existing volume it might not have been created in even GB.  Do I round up or down?22:23
smcginnisSwanson: Up I would think?22:25
openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: update os-brick to pass python3 tests  https://review.openstack.org/19628422:25
patrickeastsmcginnis: Swanson: +1 for up22:25
SwansonUp sez you got a volume bigger than you gots.22:25
eharneySwanson: the LVM driver rounds up22:25
SwansonI can round up.22:26
eharneyyeah... that's kinda what i'm trying to figure out right now, this seems odd22:26
SwansonMy reasoning for down is that you know you have at least that much space.  If it rounds to 0 it is too small for cinder.22:27
eharneywouldn't the LVM driver's idea here be broken if it doesn't resize the LV too?22:28
SwansonHmmm..  I could resize up on manage.22:29
eharneythat's kind of what i would expect, but maybe i'm missing something22:29
smcginnisSwanson: Not sure if we actually want to resize the volume though.22:32
smcginnisSwanson: Down does make sense for the reason you stated.22:32
smcginnisSwanson: Probably better thinking you have less than more.22:32
smcginnisSwanson: We can just tell people "don't do that!" :)22:32
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SwansonIf we do not want to resize on mange_existing then we need to round down.  If resizing is okay then we round up on mange_existing_get_size and actually resize it on the manage_existing.22:33
Swansonmanage even.22:33
smcginnisI suppose better to play it safe.22:34
eharneyis that playing it safe?  then you end up consuming more backend than Cinder thinks you are22:34
SwansonRound down.  I doubt it will be a problem very often.22:34
eharneysafe would be rejecting things that aren't on a GB boundary22:35
smcginniseharney: Well, there is that.22:35
smcginniseharney: That probably would be the safest thing to do.22:35
SwansonI'm thinking that is the safest, too.  There is a solution for the user if they want to import it.  Resize.22:35
smcginnisSwanson: And for our storage the chance of it not being on a GB boundary is pretty small.22:36
openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: update os-brick to pass python3 tests  https://review.openstack.org/19628422:36
eharneySwanson: right22:36
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Updated from global requirements  https://review.openstack.org/19688822:37
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openstackgerritOpenStack Proposal Bot proposed openstack/python-cinderclient: Updated from global requirements  https://review.openstack.org/19727322:45
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Swansoneharney: smcginnis thanks!23:01
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hemnaok heading home.  USA v Germany should be on now.23:24
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openstackgerritMitsuhiro Tanino proposed openstack/cinder: LVM: Remove unnecessary volume export after generic volume migration  https://review.openstack.org/19422323:35
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openstackgerritMitsuhiro Tanino proposed openstack/cinder: LVM: Remove unnecessary volume export after generic volume migration  https://review.openstack.org/19422323:41
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