Tuesday, 2016-07-26

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openstackgerritJohn Griffith proposed openstack/cinder: Move fake_driver to tests root dir  https://review.openstack.org/34708000:19
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drituxHello Openstackers . Help me please. you can set a quota minimum limit on volume creation ?00:33
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jgriffithdramakri: you can't00:35
jgriffithdramakri: oops...  ^^ dritux00:36
jgriffithdritux: qutoas are "quotas" they're maximums00:36
jgriffithdritux: not sure I follow your question "set a quota min on create"?00:36
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drituxdramakri, yes min on create00:37
jgriffithdritux: don't know what that *means*00:38
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drituxThat is, force the User to set a quota of non 10gb Min.00:40
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jgriffithdritux: sorry, I don't know what you mean by that.  When a user creates a volume, the quota ensures they don't create something greater than a certain size00:41
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jgriffithdritux: You're saying you want to enforce a minimum size, which I'm saying is not something that's supported currently00:41
jgriffithdritux: and honestly don't know of a good use case that would warrant it00:41
jgriffithdritux: we have talked about allowing that sort of thing to be specified via volume-types00:42
jgriffithdritux: but it's not something that's implemented currently00:42
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drituxjgriffith great , I'll talk to my customer. I have to then develop this feature . :(00:43
drituxthank you so much00:44
jgriffithdritux: I'd be curious to know more about *why*, that might motivate me or someone else to work on it upstream and make it available.00:44
openstackgerritJohn Griffith proposed openstack/cinder: Add new attach/detach API calls  https://review.openstack.org/32740800:50
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GuyHi everyone, is a member of the cinder team here? If yes, can you take a look at the blueprint "refactor-disco-volume-driver"? I need this blueprint to be approved before I can commit the disco volume driver and disco backup driver to gerrit. Thank you.01:32
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winston-dGuy: you don't have to wait for your BP to be approved just to submit your code.02:10
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bswartzwinston-d: I'd appreciate your opinion on https://review.openstack.org/#/c/347010/ since you know so much about the scheduler02:24
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winston-dbswartz: looking02:29
openstackgerritXu Ao proposed openstack/cinder: Replace functions 'Dict.get' and 'del' with just 'Dict.pop'  https://review.openstack.org/30700302:30
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openstackgerritKarthik Prabhu Vinod proposed openstack/python-cinderclient: Showing the metadata readonly value as a separate field  https://review.openstack.org/33248002:36
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Guywinston-d: ok thank you. I will submit the code.02:37
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winston-dbswartz: i'm wondering would it be cleaner to offer a stochastic weigher instead of putting the logic into filter scheduler.02:53
winston-dbswartz: filter scheduler better left to be a framework to load all customized weighers and filters, without actual filtering or weighing logic.02:54
openstackgerritMerged openstack/cinder: Add interface documentation to driver devref  https://review.openstack.org/34643802:55
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openstackgerritSean McGinnis proposed openstack/cinder: Add driver list to doc build  https://review.openstack.org/34647003:04
bswartzwinston-d: the intention is to allow the stochastic option to be used with any weigher or combination of weighter03:05
bswartzweighers03:05
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openstackgerritSean McGinnis proposed openstack/cinder: Add driver list to doc build  https://review.openstack.org/34647003:06
bswartzwinston-d: the point of the option is to change the choosing process after the pools have been weighed03:08
openstackgerritGuy proposed openstack/cinder: ITRI DISCO cinder volume driver  https://review.openstack.org/34710003:08
bswartzI looked at creating a whole new scheduler but it would have been almost identical to the filter scheduler03:09
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openstackgerritGuy proposed openstack/cinder: ITRI DISCO cinder backup driver  https://review.openstack.org/34710303:18
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openstackgerritJohn Griffith proposed openstack/cinder: Move fake_constants to root test directory  https://review.openstack.org/34710403:21
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openstackgerritzheng yin proposed openstack/cinder: Use assertEqual() instead of assertDictEqual()  https://review.openstack.org/34674604:59
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openstackgerritPeter Wang proposed openstack/cinder: Resolve unittest hang issue  https://review.openstack.org/34711705:02
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openstackgerritMerged openstack/cinder: Move drivers unit tests to unit.volume.drivers directory  https://review.openstack.org/32014806:04
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openstackgerritxiaoqin proposed openstack/cinder: Storwize: do the correct update after failover  https://review.openstack.org/29257006:17
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openstackgerritxiaoqin proposed openstack/cinder: Add multipath enhancement to Storwize iSCSI driver  https://review.openstack.org/30888206:27
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openstackgerritzhangsong proposed openstack/cinder: Sheepdog:fix the bug of failed to clone image  https://review.openstack.org/34476606:39
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nikeshmhi06:45
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nikeshmany idea on how to add boolean value while setting key value in volume types06:46
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nikeshmif add  cinder type-key test set replication_enabled=True,  True is treated as string06:47
nikeshmbut i want to add boolean True06:47
nikeshmis it possible06:47
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openstackgerritSwapnil Kulkarni (coolsvap) proposed openstack/cinder: [WIP] Testing latest u-c  https://review.openstack.org/30376607:00
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openstackgerritAvishay Traeger proposed openstack/cinder: Map volume/snapshot manage extensions to v3  https://review.openstack.org/30732407:10
openstackgerritAvishay Traeger proposed openstack/cinder: LVM driver: list manageable volumes and snapshots  https://review.openstack.org/31966007:10
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openstackgerritGorka Eguileor proposed openstack/cinder: Improve DB method naming consistency  https://review.openstack.org/32144007:53
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nikeshmany idea08:27
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openstackgerritStefan Amann proposed openstack/os-brick: Support FICON-attached ECKD volumes on System z  https://review.openstack.org/32053608:50
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX Driver - SnapVX licensing checks for VMAX3  https://review.openstack.org/32297208:51
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX Driver - Live Migration for VMAX3  https://review.openstack.org/33077809:01
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openstackgerritIvan Kolodyazhny proposed openstack/os-brick: Local attach feature in RBD connector  https://review.openstack.org/32829709:05
openstackgerritGorka Eguileor proposed openstack/cinder: Refactor create, save, and destroy OVO methods  https://review.openstack.org/31554109:07
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dulekgeguileo: Fingers crossed: http://i.imgur.com/ofYhTsJ.png ;)09:20
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openstackgerritShilpa Jagannath proposed openstack/os-brick: Remove useless info logging in check_valid_device  https://review.openstack.org/34366209:23
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geguileodulek: lol, yes it finally got into the "gate" stage09:26
geguileodulek: I have like 9 patches waiting to get merged09:26
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geguileodulek: And I'm afraid something else will get merged in the middle and create a merge conflict09:27
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX Driver - QoS support for the VMAX3  https://review.openstack.org/30750209:28
dulekgeguileo: I don't think it's a big deal if patches already got like 3-5 +2s.09:28
geguileodulek: Yeah, but I just want those to get merged and forget about them  ;-)09:29
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dulekgeguileo: I'm afraid that it may happen that some future bugreports will remind you of them…09:30
dulekgeguileo: Not questioning your skills of course. :)09:30
geguileodulek: XD XD XD09:31
geguileodulek: You are totally right  :-)09:31
geguileodulek: But let me dream for a minute here  ;-)09:31
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hoobamanhi09:33
hoobamani am testing 2.0 driver of scaleio on liberty09:33
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hoobamani am trying to get the qos to work09:34
hoobamanmade the qos specs, attached them to volume type etc....09:34
hoobamanhowever i see that the cinder scheduler always reports u'QoS_support': False09:34
hoobamanwhat am i missing? :)09:35
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smcginnishoobaman: That is a capability reported by the driver.09:36
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smcginnishoobaman: The ScaleIO driver reports that it does not support QoS: https://github.com/openstack/cinder/blob/stable/liberty/cinder/volume/drivers/emc/scaleio.py#L70509:36
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hoobaman@smcginnis: many thx for your answer, really appreciated. According to the cos it should be possible http://docs.openstack.org/liberty/config-reference/content/ScaleIO-cinder-driver.html09:38
smcginnishoobaman: Looks like support was added in Mitaka, so you would need to upgrade.09:38
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smcginnishoobaman: https://github.com/openstack/cinder/blob/stable/mitaka/cinder/volume/drivers/emc/scaleio.py#L83809:38
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hoobaman@smcginnis: again many thanks :) I will will open a bug report in order to update the doc. it is confusing09:40
openstackgerritParashuram Hallur proposed openstack/cinder: Fixing pending comments for CoprHD Drivers  https://review.openstack.org/34217109:41
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openstackgerritShay Halsband proposed openstack/cinder: XtremIO: support for volume migration  https://review.openstack.org/34433310:08
openstackgerritClenimar Filemon proposed openstack/cinder: Read domain info from context when contacting nova  https://review.openstack.org/33732210:09
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openstackgerritSean McGinnis proposed openstack/cinder: Add driver list to doc build  https://review.openstack.org/34647010:16
openstackgerritMerged openstack/cinder: Fix log message when service is disabled  https://review.openstack.org/34592610:17
openstackgerritzheng yin proposed openstack/cinder: Use assertEqual() instead of assertDictEqual()  https://review.openstack.org/34674610:18
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openstackgerritYaoZheng proposed openstack/cinder: support volume driver set readonly  https://review.openstack.org/33758010:20
openstackgerritHelen Walsh proposed openstack/cinder: VMAX driver - Does not honor clone volume size  https://review.openstack.org/34532110:22
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openstackgerritHelen Walsh proposed openstack/cinder: Target WWN change to allow for redundancy  https://review.openstack.org/34230010:44
openstackgerritMerged openstack/cinder: Improve cinder-manage arg parsing  https://review.openstack.org/33502910:44
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openstackgerritMerged openstack/cinder: Update manage with cluster related commands  https://review.openstack.org/32768810:47
openstackgerritMerged openstack/cinder: Modify API to include cluster related operations  https://review.openstack.org/32768910:47
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openstackgerritMerged openstack/cinder: Add workers table  https://review.openstack.org/30301810:47
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openstackgerritliuke proposed openstack/cinder: Huawei: Backend capabilies report optimization  https://review.openstack.org/33706110:48
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smcginnisgeguileo: Got some merged!10:51
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flip214smcginnis: please advise. During hard testing on a Real-World installation we discovered (and fixed) a few issues with the DRBD driver (that didn't occur in the VM-only test env).10:58
flip214Now I've got a list of 8 patches... should I submit them one-by-one, or in one merged change?10:59
flip214I guess it's not possible to do a review of the whole stack, but have them separated still.10:59
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flip214I fear that I have to wait for each merge before the next patch can be submitted, or some other such problem...11:00
flip214yes, they partially overlap, and some depend on other ones.11:00
openstackgerritPeter Wang proposed openstack/cinder: Resolve unittest hang issue  https://review.openstack.org/34711711:01
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openstackgerritPeter Wang proposed openstack/cinder: Resolve unittest hang issue  https://review.openstack.org/34711711:04
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smcginnisflip214: It's probably a little more work on your end, but if you can submit them as separate patches that would make reviewing easier, and then hopefully make getting them through a little quicker.11:09
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flip214smcginnis: thanks for the quick answer.11:15
flip214and I should just submit them all, even if they're chained up?11:16
flip214so there'll be a dangling chain of commits?11:16
smcginnisflip214: Yeah, I think that would be the best. Then more of them can get reviewed at once, even if they can't all make it through immediately.11:16
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openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Disk-options for new resources  https://review.openstack.org/34726711:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Don't put clients everywhere  https://review.openstack.org/34726811:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Make calculation use more bits  https://review.openstack.org/34726911:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Use the ClientHelper class to reduce amount of code  https://review.openstack.org/34727011:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Avoid an extra resize later on  https://review.openstack.org/34727111:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Do batch delivery  https://review.openstack.org/34727211:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Report an error if a snapshot has vanished  https://review.openstack.org/34727311:31
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Avoid duplicated volumes from the error path  https://review.openstack.org/34727411:31
flip214smcginnis: thank you for your help! Done as suggested.11:32
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smcginnisflip214: Great! I'll try to get to reviewing at least some of them once they've had a chance to make it through Jenkins.11:33
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openstackgerritGoutham Pacha Ravi proposed openstack/cinder: NetApp: Refactor unit tests  https://review.openstack.org/34609311:34
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openstackgerritGoutham Pacha Ravi proposed openstack/cinder: NetApp cDOT: Add cheesecake replication support  https://review.openstack.org/34609411:34
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flip214smcginnis: thank you very much!11:36
flip214well, it works in a Real World setup for us... but who knows what happens within Jenkins ;)11:37
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aleehi all -  can anyone here help diagnose a cinder volume attach problem here ?  http://logs.openstack.org/06/339806/35/check/gate-puppet-openstack-integration-3-scenario001-tempest-centos-7/422a18a/logs/nova/nova-compute.txt.gz#_2016-07-26_09_17_19_16711:40
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openstackgerritDinesh Bhor proposed openstack/cinder: Replace OpenStack LLC with OpenStack Foundation  https://review.openstack.org/34729011:52
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openstackgerritJinxing Fang proposed openstack/cinder: Change unicode to six.text_type  https://review.openstack.org/34729211:54
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openstackgerritDinesh Bhor proposed openstack/python-cinderclient: Replace OpenStack LLC with OpenStack Foundation  https://review.openstack.org/34729611:58
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openstackgerritzheng yin proposed openstack/python-cinderclient: Modify assertTrue  https://review.openstack.org/34729711:59
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openstackgerritzheng yin proposed openstack/cinder: Use assertEqual() instead of assertDictEqual()  https://review.openstack.org/34674612:16
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openstackgerritSwapnil Kulkarni (coolsvap) proposed openstack/cinder: [WIP] Testing latest u-c  https://review.openstack.org/30376612:19
openstackgerritxiexs proposed openstack/cinder: Let /types API list all volume types by default  https://review.openstack.org/33588012:19
openstackgerritMerged openstack/cinder: LVM driver: list manageable volumes and snapshots  https://review.openstack.org/31966012:20
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nikeshmsmcginnis: hi12:25
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smcginnisnikeshm: Hi12:40
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openstackgerritErlon R. Cruz proposed openstack/cinder: Fix extend volume doesn't check capacity  https://review.openstack.org/34113612:45
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nikeshmsmcginnis: any idea on question i asked12:58
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openstackgerritGoutham Pacha Ravi proposed openstack/cinder: NetApp: Refactor unit tests  https://review.openstack.org/34609313:01
openstackgerritGoutham Pacha Ravi proposed openstack/cinder: NetApp cDOT: Add cheesecake replication support  https://review.openstack.org/34609413:02
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smcginnisnikeshm: Which question?13:04
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nikeshmhttp://paste.openstack.org/show/542089/13:05
nikeshmsmcginnis ^^13:06
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smcginnisnikeshm: Hmm, I think you need to set "replication_enabled = <is> True"13:09
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openstackgerritAdriano Freires Rosso proposed openstack/cinder: HNAS drivers refactoring  https://review.openstack.org/28546913:12
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hoobamanhi13:59
hoobamancan any cinder block volume be bootable?13:59
hoobamanor is this related to the driver?13:59
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hoobamani am currently testing the scaleio cinder driver14:03
hoobamani can create/attach/use volumes14:03
hoobamanhowever i cannot use it as boot block device, no sure what i am missing :/14:04
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openstackgerritPeter Wang proposed openstack/cinder: Resolve unittest hang issue  https://review.openstack.org/34711714:06
openstackgerritHelen Walsh proposed openstack/cinder: Target WWN change to allow for redundancy  https://review.openstack.org/34230014:07
nikeshmsmcginnis: how to run cinder type-key xyz set with that14:09
nikeshmits throwing error14:09
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openstackgerritAvishay Traeger proposed openstack/cinder: Map volume/snapshot manage extensions to v3  https://review.openstack.org/30732414:11
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openstackgerritTom Swanson proposed openstack/cinder: Dell SC: Use Live Volume for replication  https://review.openstack.org/32953114:14
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - Oversubscription support  https://review.openstack.org/30749914:21
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smcginnisnikeshm: Try this: cinder type-key "ReplicationType" set replication_type='<in> sync'14:36
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duleksmcginnis: http://logs.openstack.org/70/346470/5/check/gate-cinder-docs-ubuntu-xenial/0f481a7/14:41
duleksmcginnis: Logs you're looking for. :)14:41
smcginnisdulek: Thanks!14:41
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smcginnisNow to see if they actually contain anything useful.14:42
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - iSCSI Multipath support  https://review.openstack.org/31706014:49
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openstackgerritxing-yang proposed openstack/cinder: Add group type and group specs  https://review.openstack.org/32016515:05
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openstackgerritBen Swartzlander proposed openstack/cinder: Add stochastic filter scheduler option  https://review.openstack.org/34701015:07
openstackgerritBen Swartzlander proposed openstack/cinder: Add stochastic filter scheduler option  https://review.openstack.org/34701015:07
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openstackgerritJohn Griffith proposed openstack/cinder: Move fake_driver to tests root dir  https://review.openstack.org/34708015:08
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openstackgerritxing-yang proposed openstack/cinder: Add generic volume groups  https://review.openstack.org/32245915:11
xinli@smcginnis: if you time, could you please help to review patch 298453? https://review.openstack.org/#/c/298453/15:12
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - iSCSI Multipath support  https://review.openstack.org/31706015:14
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lpetrut@hemna: Hi15:20
lpetrutWe finally got a CI up testing the SMB and iSCSI Windows connectors since. It's been since last week, had a few issues at the beginning but it's working pretty well now. Here are some recent results: http://64.119.130.115/os-brick/320536/8/ http://64.119.130.115/os-brick/328297/10/15:22
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lpetrut*It's been up since last week15:23
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openstackgerritxing-yang proposed openstack/cinder: WIP: Add group snapshots  https://review.openstack.org/32805215:25
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openstackgerritLucian Petrut proposed openstack/os-brick: Add Windows SMBFS connector  https://review.openstack.org/32378115:27
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openstackgerritLucian Petrut proposed openstack/os-brick: Add Windows Fibre Channel connector  https://review.openstack.org/32378015:30
lpetrutjust rebased the FC connector on top of the SMBFS one (which should be ready to merge)15:31
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lpetrutalso, we're running just a few scenario tests at the moment, as those seemed to be enough for testing those connectors. I've seen that some of the CIs do the same thing. If really needed, we can extend the test list15:32
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aleegeguileo, hey - can I ask you a question about an encrypted volume test case?15:42
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geguileoalee: I'm probably not the best person to talk about encrypted volumes, as I have never touched that feature  :-(15:47
aleegeguileo, who would be the best person to ask?15:47
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geguileoalee: Look at the test case or the code about encripted and do a git blame to see  ;-)15:48
scottda_vacationalee: maybe lisali, but I don't think she's online ATM15:48
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aleegeguileo, I'm trying to figure out why this is happening -- http://logs.openstack.org/06/339806/35/check/gate-puppet-openstack-integration-3-scenario001-tempest-centos-7/422a18a/logs/nova/nova-compute.txt.gz#_2016-07-26_09_17_19_16715:48
SwansonI don't scottda_vacation knows how to take a vacation.15:49
aleegeguileo, scottda_vacation thanks -- let me try git blame or lisali -- do you know when lisali is usually on?15:50
scottda_vacationalee: Not sure about lisali 's hours.15:50
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scottda_vacationSwanson: I'm just online for a few minutes to touch base about HA, then I'm outtahere15:51
aleemriedem, ping15:54
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aleemriedem,  actually it looks like I need to ask you about some code on encrypted volumes ..15:55
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aleemriedem, I'm getting this error -- http://logs.openstack.org/06/339806/35/check/gate-puppet-openstack-integration-3-scenario001-tempest-centos-7/422a18a/logs/nova/nova-compute.txt.gz#_2016-07-26_09_17_19_16715:56
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aleemriedem, trying to understand why that is happening -- is the configuration/drivers etc. not supported for encryption?15:57
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aleemriedem1,  hey - have a question about encrypted cinder volumes ..15:58
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aleemriedem1, I'm getting this error -- http://logs.openstack.org/06/339806/35/check/gate-puppet-openstack-integration-3-scenario001-tempest-centos-7/422a18a/logs/nova/nova-compute.txt.gz#_2016-07-26_09_17_19_16715:59
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aleemriedem1, trying to understand why its happening and whats supported.15:59
mriedem1alee: scsi and fc are supported i think, that's it16:00
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mriedemalee: see https://bugs.launchpad.net/cinder/+bug/146352516:00
openstackLaunchpad bug 1463525 in Cinder "There is no volume encryption support for rbd-backed volumes" [Undecided,Triaged]16:00
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scottda_vacation DuncanT, aspiers, geguileo, scottda I wanted to touch base real quickly about status of HA-Active Active...16:01
scottda_vacation^^^ping list16:01
geguileoHi!16:01
DuncanTHi16:02
scottda_vacationsmcginnis: dulek You may also be interested16:02
aspierso/16:02
scottda_vacation#startmeeting cinder-AAHA16:02
openstackMeeting started Tue Jul 26 16:02:24 2016 UTC and is due to finish in 60 minutes.  The chair is scottda_vacation. Information about MeetBot at http://wiki.debian.org/MeetBot.16:02
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.16:02
openstackThe meeting name has been set to 'cinder_aaha'16:02
openstackgerritNate Potter proposed openstack/cinder: Remove race condition from lvextend  https://review.openstack.org/34065516:02
openstackgerritNate Potter proposed openstack/cinder: Enable deletion of inactive logical volumes  https://review.openstack.org/34180816:02
duleko/16:02
aspiershi all16:02
dulekaspiers: I wasn't expecting you. Hi! :)16:02
scottda_vacationI've updated the whiteboard status of patches: https://blueprints.launchpad.net/cinder/+spec/cinder-volume-active-active-support16:02
DuncanTHi16:02
aspiersdulek: I'm not a cinder expert but I'm the lead HA architect for SUSE, so naturally very interested in this topic :)16:03
scottda_vacationIt looks like we merged 6 patches for Job distribution last week16:03
aleemriedem, thanks -- I think that sums it up perfectly16:03
scottda_vacationAnd geguileo Is hard at work rebasing the rest of the patches16:03
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geguileoWell, I'm mostly hitting recheck and crossing my fingers...16:04
scottda_vacationI added a section for "Test Plans and Strategies" to the etherpad https://etherpad.openstack.org/p/cinder-active-active-HA16:04
dulekscottda_vacation: So my problem here for Newton is… Aren't we almost on the edge of what we want to merge for this release?16:04
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scottda_vacationdulek: Maybe. I defer to geguileo for his opinion on that.16:04
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geguileodulek: Yes we are16:05
dulekI mean - I would love to have it all done, but I've heard we've decided it's too risky now.16:05
scottda_vacationdulek: But I think we can share our test plans and maybe start writing some tempest/functional tests. I'm certainly planning on doing some of that16:05
geguileodulek: Yes, we are not going to merge it all16:05
DuncanTWe've now got cluster support for at least some operations I think? ... we need to test the hell out of it. Not gate testing - that useful, but only a fraction of what we need. We need people to be actively trying to break it16:06
scottda_vacationdulek: And we can also get the infra merged for 2-node cinder that you've worked on16:06
dulekDuncanT: I don't think any operations are converted on master.16:06
geguileoAnd the idea would be to have it a little bit tested before merging the next patches early on the next cycle16:06
dulekscottda_vacation: Fair point on testing.16:06
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geguileoDuncanT: We don't have cluster operations in because I made that depend on us being able to do cleanups on the cluster16:07
smcginnisI agree, I wouldn't want to stuff too much more in there at this point. Time better spent on making sure our testing coverage is good on it.16:07
scottda_vacationSo, maybe people can share ideas on testing, i.e. geguileo Can say what he's been doing, etc. We can just keep working on that and sharing ideas.16:07
DuncanTdulek: https://review.openstack.org/#/c/318573/ ?16:07
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scottda_vacationI reckon testing and infra stuff is about all we can do at this point.16:07
geguileoDuncanT: That's not going to get merged in this cycle16:08
geguileoCurrently there are patches to make cluster aware the following operations16:08
geguileoattach/detach operations, delete operations (vols, snaps, cgs, etc), and all scheduler operations16:08
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openstackgerritSean McGinnis proposed openstack/cinder: Add driver list to doc build  https://review.openstack.org/34647016:09
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scottda_vacationOK, so there's the status and plans for testing. Anyone have anything else?16:10
openstackgerritAdriano Freires Rosso proposed openstack/cinder: HNAS: Deprecating XML config file  https://review.openstack.org/29407616:11
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scottda_vacationI don't want to take up any more of m̶y̶ ̶v̶a̶c̶a̶t̶i̶o̶n̶ ̶t̶i̶m̶e̶ your time then.16:11
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scottda_vacation#endmeeting16:11
smcginnis:)16:11
openstackMeeting ended Tue Jul 26 16:11:46 2016 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)16:11
openstackMinutes:        http://eavesdrop.openstack.org/meetings/cinder_aaha/2016/cinder_aaha.2016-07-26-16.02.html16:11
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/cinder_aaha/2016/cinder_aaha.2016-07-26-16.02.txt16:11
openstackLog:            http://eavesdrop.openstack.org/meetings/cinder_aaha/2016/cinder_aaha.2016-07-26-16.02.log.html16:11
dulekscottda_vacation: Thanks for leading this on vacations! :)16:12
smcginnisscottda_vacation: Have a good vacation!16:12
geguileoscottda_vacation: Enjoy your vacations!!16:12
aspiersI don't want to either - I may have some questions or comments about fencing, but I guess I can just comment on the relevant spec16:12
aspiersI mainly came here to lurk for now :)16:12
scottda_vacationaspiers: Welcome. Glad to have more interest in HA-AA16:13
aspiersthanks :)16:13
dulekaspiers: Fencing of that stuff is a hard topic here…16:13
scottda_vacationNow, back to the mountains of Colorado......16:13
aspiersdulek: I'm sure. My first thought was to wonder whether self-fencing is always enough.16:13
dulekaspiers: https://review.openstack.org/#/c/237076/16:14
aspiersdulek: Yep, have been reading that one16:14
dulekaspiers: From my perspective it looks like for now we would need to base on fencing from the outside in case of lost connection to DLM.16:14
DuncanTI've serious doubts that self-fencing is safe, ever, in the general case, given our code16:14
dulekI don't think anything else would be 100% safe.16:15
xyang1smcginnis: I talked to smaug team about what we discussed last week and asked them to submit a spec and have a meeting with us.  they will add an item in tomorrow's agenda16:15
aspiersso maybe we need some defined interface which cluster managers like Pacemaker can work with16:15
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aspiersFWIW Pacemaker supports self-fencing via the SBD STONITH device, however even with SBD I don't think self-fencing is sufficient16:16
xyang1smcginnis: we can schedule follow up meeting if we can't get everything resovled tomorrow16:16
aspiersat very least a watchdog is required16:16
DuncanTWith stonith we should be good.16:16
DuncanTc-vol processes can watchdog each other, or we can have a process for it, that bit isn't too hard16:17
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aspiersI maintain the openstack-resource-agents project so have a responsibility to keep https://github.com/openstack/openstack-resource-agents/blob/master/ocf/cinder-volume in good shape16:17
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smcginnisxyang1: Yeah, that sounds good.16:17
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aspierscurrently the monitoring operation is naively using netstat to monitor the connection to the MQ16:18
aspiersit's better than a "pid running" check, but I guess there is still room for improvement16:19
* thingee will also be on vacation until next week16:20
thingeeciao16:20
xyang1thingee: have fun!16:20
dulekaspiers: Connection to DLM is critical here (either Zookeeper, Redis, etcd, anything Tooz supports).16:20
aspiersdulek: yup16:20
dulekaspiers, geguileo: I need to get off work now, but all this sounds like a good material for a discussion next week. Maybe we can also get harlowja in the loop. :)16:22
aspiersdulek: indeed - I will try to attend next week too! same time?16:22
* aspiers wonders if cinder-volume needs to be run via pacemaker_remote for scalability ...16:22
openstackgerritxing-yang proposed openstack/cinder: Add generic volume groups  https://review.openstack.org/32245916:23
geguileodulek: I already have an idea on how to do the self fencing based on the DLM, but I have to give it more though16:24
geguileodulek: And I want to close all other open fronts I have with HA before going into that rabbit hole16:24
openstackgerritxing-yang proposed openstack/cinder: WIP: Add group snapshots  https://review.openstack.org/32805216:25
* jgriffith thinks he'll just take the day off and come back tomorrow... maybe jobs will have made it through gate by then16:32
bswartzjgriffith: why not try some form of this? https://xkcd.com/303/16:33
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DuncanTgeguileo: Down that rabbit hole lies madness, tears and D-state child processes16:34
Swansonjgriffith, it isn't as bad as yesterday's 650 deep gate queue.16:34
geguileolol16:34
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akerrbswartz: You've seen gouthamr's edit for that comic in his cube, right?  Replace compiling with stacking17:08
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openstackgerritMerged openstack/cinder: Add check to limit maximum value of age_in_days  https://review.openstack.org/32275717:11
openstackgerritErlon R. Cruz proposed openstack/cinder: Fix 'driver does not honor clone/snapshot' bugs  https://review.openstack.org/33609217:11
erlonjgriffith: you can review this patch after the compiling fight as well :)17:12
erlonsmcginnis: ping17:13
smcginniserlon: pong17:13
erlonhey Sean, can you give a llok on our HNAS refactoring? https://review.openstack.org/#/c/285469/17:13
smcginniserlon: Sure, I'll try to get to that this afternoon.17:14
erlonsmcginnis: its be there for a while, and we have a lot smaller patches waiting on it17:14
erlonsmcginnis: thanks!17:14
smcginniserlon: Dang, 3000 lines. :)17:14
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erlonsmcginnis: :( sorry, but I swear we keep only what wasn't possible (almost impossible) to do in separate patches17:15
erlonsmcginnis: but most of that are unit tests17:16
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erlonscottda_vacation: if you can give a look as well, you made a review when you weren't core yet and couldn't +2 it ;)17:17
smcginniserlon: Got it. I'll see how far I can get.17:17
erlonsmcginnis: great!17:17
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openstackgerritErlon R. Cruz proposed openstack/cinder: Fix HNAS stats reporting  https://review.openstack.org/34447717:28
openstackgerritMerged openstack/python-cinderclient: Make sure --bypass-url honored if specified  https://review.openstack.org/21683617:29
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harlowjadulek sup17:37
harlowjalol17:37
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harlowjaaspiers sup sup17:37
harlowjalol17:37
gsilvisWhere can I find documentation on the notifications that Cinder emits?17:42
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patrickeastgsilvis: not sure if they are documented somewhere, but you can see what they all are if you look for "volume" in the events shown here https://github.com/openstack/ceilometer/blob/master/etc/ceilometer/event_definitions.yaml17:56
patrickeastmost are pretty self explanatory17:56
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gsilvispatrickeast: thanks, that helps a lot17:57
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jgriffithbswartz: erlon Swanson sorry... jgriffith has left the building :)18:12
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Swansonmy patch is only 7 minutes plus the 20 minute 0 minutes away!18:12
openstackgerritGoutham Pacha Ravi proposed openstack/cinder: NetApp: Refactor unit tests  https://review.openstack.org/34609318:12
erlonjgriffith: no problem18:13
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jgriffithThe only thing that's worse than super long process times is when you get a bogus postgres failure18:13
SwansonThat's just the cherry on top.18:14
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openstackgerritGoutham Pacha Ravi proposed openstack/cinder: NetApp cDOT: Add cheesecake replication support  https://review.openstack.org/34609418:28
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openstackgerritIvan Kolodyazhny proposed openstack/os-brick: Local attach feature in RBD connector  https://review.openstack.org/32829718:37
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openstackgerritMerged openstack/cinder: Add worker's DB operations  https://review.openstack.org/30301918:42
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openstackgerritMerged openstack/cinder: Fix wrong declaration in Scheduler's base driver  https://review.openstack.org/34607018:48
openstackgerritMerged openstack/cinder: Dell: Fix docstring cut/paste error  https://review.openstack.org/34500718:49
openstackgerritMerged openstack/cinder: Docs: cleanup doc8 errors  https://review.openstack.org/34647818:49
openstackgerritMerged openstack/cinder: Update doc README and remove old Makefile  https://review.openstack.org/34647218:50
openstackgerritMerged openstack/cinder: Docs: remove todo list generation  https://review.openstack.org/34647318:50
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openstackgerritMerged openstack/python-cinderclient: Switch to keystoneauth  https://review.openstack.org/29046418:59
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openstackgerritxing-yang proposed openstack/cinder: Add group type and group specs  https://review.openstack.org/32016519:06
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xinlixyang1: the Zuul status shows the Jenkins build failed, the log file shows some environment issue, can I recheck ? http://paste.openstack.org/show/542166/19:08
xyang1xinli you can19:08
openstackgerritxing-yang proposed openstack/cinder: Add generic volume groups  https://review.openstack.org/32245919:09
openstackgerritxing-yang proposed openstack/cinder: WIP: Add group snapshots  https://review.openstack.org/32805219:11
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xinlixyang1: what is xenial in "gate-cinder-python27-db-ubuntu-xenial: "?19:13
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smcginnisxenial is the name of the latest release of Ubuntu.19:14
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xinli@smcginnis: the patch 298453 failed in gate-cinder-python27-db-ubuntu-xenial, but the error seemd not related to my code: http://paste.openstack.org/show/542166/19:18
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smcginnisxinli: Yeah, that looks like the gate itself had an issue - nothing related to the patch.19:19
xinli@smcginnis: the error: stderr: 'fatal: unable to access 'http://zm04.openstack.org/p/openstack/cinder/': Could not resolve host: zm04.openstack.org'19:19
xinli@smcginnis: IC19:19
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xinli@smcginnis: Can I run "recheck" now?19:20
smcginnisxinli: Yes19:20
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e0newhat's going with our os-brick gates?19:45
bswartzsmcginnis: I thought the unit test fix merged?19:46
bswartzsmcginnis: but I'm still seeing timeouts19:46
e0neI see py27 failures on 'test_vzstorage_with_mds_list' test19:46
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e0nehemna: hi19:53
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e0nehemna: could you please take a look on my comment for https://review.openstack.org/#/c/341513/ when you'll have a time? I don't like proposed solution, it cold cause race conditions when migrating/backuping19:54
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avishaysmcginnis: hey man, after rebase 839.. :)  https://review.openstack.org/#/c/307324/2920:02
hemnae0ne, sure, I'll look20:04
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e0nehemna: thanks20:04
hemnae0ne, can you look at this for me? :)  https://review.openstack.org/#/c/307974/20:06
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e0nehemna: sure, I'll be glad to see that patch merged! I'll added it to the top of my list for tomorrow morning20:07
hemnathanks man20:07
hemnait's a big patch20:07
hemnawhoa20:07
e0nehemna: yes, I'll test it on my env20:07
hemnaso the vmdk patch pulls down the image from the vcenter server in connect_volume?!20:08
smcginnisbswartz: Yeah, still something out there. I think xyang1 was looking into something on that.20:08
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smcginnisavishay: I'll take a look.20:08
e0nehemna: 11pm is not a good time to review such big patches20:08
e0nehemna: yep:(20:08
hemnaouch20:08
hemnathat can be painfully long20:08
e0nehemna: are you going to -2?20:08
hemnaand there is no lock on that call20:08
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hemnaso, it can get pounded over20:08
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hemnaI -1'd it20:10
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e0nehemna: I'm not expert in vmware, but I don't like proposed solution20:10
hemnagive him a chance to try something else20:10
xyang1smcginnis: my coworkder submitted this patch https://review.openstack.org/#/c/347117/20:10
e0nehemna: thanks20:10
hemnathe connect_volume call is supposed to be able to discover things that are already there or connect volumes to the host20:10
hemnanot download images.20:10
hemnathat can take forever20:11
xyang1smcginnis: he said he does not see hang any more, but It just happened again in jenkins 34 test20:11
hemnaand it will make nova attaches puke20:11
e0nehemna: I'm agree with you20:11
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smcginnisxyang1: It's very intermittent for me, so I wouldn't feel comfortable with a fix until running it many times.20:11
e0nehemna: it coul not affect nova attach20:11
e0nehemna: nova could  use the same approach as for rbd20:11
bluexwhen reporting a "bug" for couple of drivers should I create separate reports for each of them or one (to rule them all) is enough?20:12
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hemnais there a vmdk libvirt volume driver already?20:12
hemnaI didn't think so20:12
xyang1smcginnis: sure, I agree20:13
bswartzdoes anyone have a link to the patch that introduced the unit test hangs?20:13
e0nehemna: nothing merged to nova20:14
e0nehemna: but I'm looking on libvirt code only. it could use vmware hypervisor for vmdk20:15
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smcginnisbswartz: I'm not entirely sure we know for certain what the root cause of it is. Maybe someone does, but I personally haven't seen a smoking gun.20:17
gouthamrbswartz: 572b84c073ef66d976d4530d9b7f07f518695ab0 was one of them...20:17
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e0nehemna: as I understand, that connector will be used for migrate and backup only20:18
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bswartzhttps://github.com/openstack/cinder/commit/572b84c073ef66d976d4530d9b7f07f518695ab020:21
smcginnisAre we certain it's the new VNX driver?20:23
bswartzhttps://review.openstack.org/#/c/312427/20:23
bswartzsmcginnis: cknight did a git bisect and narroed it down to that commit most likely20:23
bswartznarrowed20:23
bswartzgeez only 21000 lines of code to review to find out where the breakage is...20:24
smcginnisbswartz: OK, good. At least we're (most likely) looking in the right place then.20:24
bswartz>_<20:24
smcginnisbswartz: EMC only submits patches if they are over 1000 lines, right xyang1? :D20:24
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bswartzthis actually looks like a refactor patch which decreases the code size by a net of 2500 lines20:26
bswartzthat's a very promising sign20:26
bswartzstill I wonder if it's worth blacklisting (or removing) the unit tests there temporarily to resolve the gate issue if they really are the source of the problem20:27
xyang1bswartz: we have skipped those tests that are hanging but it still happens20:28
bswartzskipping tests doesn't prevent the setup from running20:28
bswartzI see non-mocked taskflow objects getting instantiated in the setup methods20:29
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bswartzis there a way to prevent tox from even loading those test files?20:31
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bswartz(short of deleting them)20:31
e0nebswartz: we can add such test files to blacklist20:32
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bswartze0ne: can you show me how? or do you want to try it?20:32
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bswartzI'm also seeing mocks to time.sleep here which if not done correctly could cause very bad things20:33
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e0newe can use this solution: http://git.openstack.org/cgit/openstack/nova/tree/tools/pretty_tox3.sh#n620:34
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bswartzcinder doesn't have pretty_tox :-(20:35
bswartzwe have ugly tox I guess20:36
e0nebswartz: but we can add '--blacklist_file' param to ostestr here https://github.com/openstack/cinder/blob/master/tox.ini#L25, I guess20:36
bswartzcan we blacklist the directory?20:36
bswartzcinder/tests/unit/volume/drivers/emc/vnx/*20:37
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xyang1bswartz: problems are tests in test_client.py, why blacklist the whole folder20:37
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e0nebswartz: TBH, I didn't try to do it before, but according to http://docs.openstack.org/developer/os-testr/ostestr.html#options it looks possible20:38
bswartzxyang1: have you guys narrowed down where the problem is?20:38
xyang1bswartz: we don't know the root cause20:38
e0neall tests still passes on my env(20:38
bswartzxyang1: I was just trying to squash the bug with a sledgehammer20:38
xyang1bswartz: there are a couple of tests with patch_no_sleep that show the hang20:39
xyang1bswartz: they are all in test_client.py20:39
bswartzah20:39
bswartzI knew those mock were suspicious20:40
e0nexyang1, bswartz: I have to disconnect for today. could you please to add me to the patch if any will be submitted? I'll try to reproduce it tomorrow20:41
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jbernardjgriffith: around? i have a quick-ish replication question20:45
jbernardjgriffith: mostly regarding failback, and how it's supposed to work, the spec leaves me with a few uncertainties20:45
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patrickeastjbernard: failback isn't really a thing (yet)20:46
jgriffithjbernard: yeah, failback is *loosely* defined :)20:46
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patrickeastjgriffith: loosely is pretty generous :p20:46
jbernardyeah, i was noticing tha20:46
jbernardso, just to make sure i've got it20:46
jgriffithjbernard: we talked about solidifying that and getting it set during the midcycle20:46
jgriffithLOL20:47
jgriffithpatrickeast: ^^20:47
jbernardwhen you failover, we flip over to the secondary, promote, etc20:47
patrickeastjbernard: check out the first thing on https://etherpad.openstack.org/p/newton-cinder-midcycle-day320:47
jbernardadn then you're in a failed over state20:47
jbernardand from there, you're basically stuck20:47
jbernardyou can failover to other targets20:47
jbernardbut you cannot exit the 'failed over' state20:47
jbernardpatrickeast: ahh20:48
patrickeastyea https://review.openstack.org/#/c/312591 addressed it (sort of)20:48
jbernardpatrickeast: dang, wish i could have been there20:48
patrickeastnot sure if anyone actually signed up for implement it though20:48
patrickeastits on my list... so in maybe a few weeks if no one has done it yet i'll get those api's implemented20:49
jbernardim might be game after my current workload is complete, we'll see20:49
patrickeastbut there are still some large holes around what the backends actually need/can do for failing back20:49
jbernardahh, you're certainly get to it before me20:49
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jbernardso, from the admin's perspective, they've failed over20:49
jbernardbackend and volumes are in failedover state20:50
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jbernardand to return to normal, db modification are going to be required, correct?20:50
jbernardi cannot see a way out without manual intervention20:50
jbernard(with what's currently committed)20:50
jbernardit's fine, i just want make sure im not missing anything20:51
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patrickeastyea as-is you need db intervention, or for the driver to support the like "default" backend thing for failover20:52
jbernardok great, im reading thing correctly20:52
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jbernardi would expect failback will be something folks will ask for once this release goes out20:52
patrickeast:( unfortuantely, yea20:53
gouthamrpatrickeast: so this is something that we won't bother about for newton, or is it still in the roadmap?20:53
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jbernardpatrickeast: great, thanks man, ill try to chip in with the failback effort when i free up20:54
gouthamrpatrickeast: i mean to ask, the APIs will need a spec and review and all that, and the feature-freeze is looming around the soonish-corner20:54
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patrickeastgouthamr: its on the list of stuff to do, but unless someone really owns it we probably are looking at O20:54
* patrickeast isn't planning to drop everything and champion it20:54
gouthamrpatrickeast: makes sense.. :)20:54
* patrickeast hopes simon isn't online20:55
gouthamrpatrickeast: lol.. product management :)20:55
patrickeastso for customers using replication, just make sure the array doesn't fail for another 6 months until we figure out failback20:55
jbernardlol, basically yeah20:56
jbernarddont worry, everything will be fine20:57
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patrickeastyea np20:59
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openstackgerritMerged openstack/cinder: Move fake_driver to tests root dir  https://review.openstack.org/34708021:02
openstackgerritJohn Griffith proposed openstack/cinder: Move fake_constants to root test directory  https://review.openstack.org/34710421:05
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openstackgerritJohn Griffith proposed openstack/cinder: Add new attach/detach API calls  https://review.openstack.org/32740821:07
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jgriffithpatrickeast: ha!  Busted!21:09
jgriffith:)21:09
patrickeastlol21:09
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openstackgerritBardia Keyoumarsi proposed openstack/cinder: QoS support for the Coho Data Cinder driver  https://review.openstack.org/34623821:22
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openstackgerritSzymon Wróblewski proposed openstack/cinder: [WIP] Clean up RemoteFSSnapDriver  https://review.openstack.org/33348921:27
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openstackgerritJohn Griffith proposed openstack/cinder: Add new attach/detach API calls  https://review.openstack.org/32740822:41
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hemnajgriffith, so is smcginnis going to ask infra to create the new feature branch for that patch?22:46
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jgriffithhemna: nah22:48
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jgriffithhemna: nova isn't interested in that model at all, would rather we just move forward with gerrit22:48
jgriffithhemna: which is cool either way for now I think22:48
hemnaah ok22:48
hemnaI was just curious22:48
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hemnaI was reading the etherpad notes on it and thought the branching was still the plan22:49
hemnacoolio.22:49
jgriffithhemna: yeah, we talked with folks during the cross-project at the mid-cycle22:49
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jgriffithhemna: etherpads... pish!22:49
hemnaheh :)22:49
jgriffithhemna: all you people with your fancy "words" and "reading"22:49
hemnawords and stuff22:50
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