Wednesday, 2016-08-10

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openstackgerritKarthik Prabhu Vinod proposed openstack/cinder: cinder create without volume-type error  https://review.openstack.org/35312001:20
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openstackgerritwangxiyuan proposed openstack/cinder-specs: Add ConsistencyGroup Into Quota Management  https://review.openstack.org/30694601:32
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openstackgerritwangxiyuan proposed openstack/cinder-specs: Inspection Mechanism For Capacity Limited Host  https://review.openstack.org/30886901:54
openstackgerritwangxiyuan proposed openstack/cinder: Use object instead of string when reset backup  https://review.openstack.org/34766501:55
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openstackgerritwangxiyuan proposed openstack/cinder-specs: Inspection Mechanism For Capacity Limited Host  https://review.openstack.org/30886903:02
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openstackgerrithaobing proposed openstack/cinder-specs: Reset Cgsnapshot state  https://review.openstack.org/35323303:29
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openstackgerritMerged openstack/cinder: HPE XP add entry point debug tracing  https://review.openstack.org/33913204:03
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-openstackstatus- NOTICE: zuul is being restarted to reload configuration. Jobs should be re-enqueued but if you're missing anything (and it's not on http://status.openstack.org/zuul/) please issue a recheck in 30min.05:23
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openstackgerritwangxiyuan proposed openstack/cinder: Use object instead of string when reset backup  https://review.openstack.org/34766506:25
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flip214smcginnis: we've found (and worked around) the problem in our DRBD CI jobs; they're mostly running okay again. http://links.linbit.com/openstack-ci-results06:33
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openstackgerritnikesh proposed openstack/cinder: Concurrency issue in K2 iSCSI and FC Cinder drivers  https://review.openstack.org/35018207:40
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openstackgerritJiWei proposed openstack/cinder: Implement nfs manage/unmanage of a volume  https://review.openstack.org/34914608:31
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openstackgerritGorka Eguileor proposed openstack/os-brick: Fix cmd execution stderr, stdout unicode errors  https://review.openstack.org/34108508:33
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/35332308:51
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openstackgerrityuyafei proposed openstack/os-brick: Multipath device keeps old size when extending volume  https://review.openstack.org/35332508:55
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nikesmvbala: hi09:33
nikesmcan you look once again on https://review.openstack.org/#/c/350182/1509:33
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openstackgerritnikesh proposed openstack/cinder: Concurrency issue in K2 iSCSI and FC Cinder drivers  https://review.openstack.org/35018209:57
nikesmhttps://review.openstack.org/#/c/35018209:57
openstackgerrithuanan proposed openstack/cinder: Migrate volume between backends in an async way  https://review.openstack.org/33492309:57
openstackgerritnikesh proposed openstack/cinder: Concurrency issue in K2 iSCSI and FC Cinder drivers  https://review.openstack.org/35018210:03
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openstackgerritDavanum Srinivas (dims) proposed openstack/cinder: [WIP] Testing latest u-c  https://review.openstack.org/30376610:10
openstackgerritDavanum Srinivas (dims) proposed openstack/cinder: [WIP] Testing latest u-c  https://review.openstack.org/30376610:10
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openstackgerritzhangguoqing proposed openstack/cinder: The resource_type must be a dictionary  https://review.openstack.org/29283210:58
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swamireddycan I use the zmq as message backend for cinder??11:07
openstackgerritzhangguoqing proposed openstack/cinder: The resource_type must be a dictionary  https://review.openstack.org/29283211:08
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openstackgerritxianming.mao proposed openstack/cinder-specs: Drop H803 in flake8 ignore list and useless directory openstack/common  https://review.openstack.org/35340311:41
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openstackgerritxianming.mao proposed openstack/cinder-specs: Drop H803 in flake8 ignore list and useless directory openstack/common  https://review.openstack.org/35340311:44
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DuncanTswamireddy: In theory, sure. Not sure how much testing or real life miles it has though. Any particular reason to prefer it over the well tried and and tested option?11:52
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DuncanTswamireddy: There were a bunch of bugs found (and I believe fixed) in our pool support interaction with zmq... they took a while to be noticed though, so I personally wouldn't be very confident of it in production without some thorough testing of corner cases (service restarts, pools, job distribution, network faults)11:55
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scottdaHas anyone seen this error?12:12
scottdahttps://www.irccloud.com/pastebin/UnSJ0ybS/12:12
swamireddyDuncanT: Thanks....I wanted to try this on staging Env...and check if zmq works well...12:12
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swamireddyDuncanT: Reason for zmq usage is - rabbbitmq giving many issues...and Qs get stuck, which impact the services like cinder, ceilometer,etc...12:14
openstackgerritxianming.mao proposed openstack/python-brick-cinderclient-ext: Drop useless directory openstack/common  https://review.openstack.org/35343212:15
DuncanTswamireddy: Given the number of large production sites using rabbit, if you're getting issues like stuck queues, there might be something wrong with the way you're setting up rabbit. I'm a long way from an expert, but did support cinder in production at scale for multiple years and we didn't see that sort of issue in general12:15
DuncanTswamireddy: Are you using rabbit in an H/A config?12:16
swamireddyDuncanT: yes12:16
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DuncanTswamireddy: Ah, I'm even less help then. I know helion uses H/A rabbit, in public cloud we used a shared persistence disk and pacemaker to manage a single copy of rabbit because the H/A was new and fragile in those days12:17
swamireddyDuncanT:  using rabbit in an HA config has any issues?12:17
openstackgerritMerged openstack/cinder: Add tracing to remotefs entry points  https://review.openstack.org/35194812:17
DuncanTswamireddy: I'd be stunned and amazed if it had zero issues, but certainly other people are using it12:18
DuncanTswamireddy: you've got some help on the mailing list about zmq anyway - let me know how it works out, please?12:19
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swamireddyDuncanT: got a few more issues....which unlimately forced us to stop the ceilomer services...12:21
swamireddyDuncanT: After stopping all ceilometer services, then Q are fine...Less problems as compared with Ceilometers services "on"12:22
swamireddyDuncanT: But we need the Ceilometer services also...so quick work-around "stop ceilometer services" and clean Qs...12:23
swamireddyDuncanT: Please let me now if this helps to you.12:24
DuncanTI've found stopping ceilometer improved my cloud experience immensely :-) I'm not familiar enough with the way it works to suggest a cause their without digging. It can certainly cause queues to get very full when it is not consuming notifications fast enough. Have you monitored queue lengths over time while it is running to see if that is the issue?12:25
DuncanTCeilometer can be a total pig when it comes to resource requirements on a moderately busy system.12:25
swamireddyDuncanT: yes, we have monitored the Q sizes...its growing and grwoing...12:27
swamireddyDuncanT: which impacts the others services like cinder,  etc12:28
openstackgerritErlon R. Cruz proposed openstack/cinder: Fix 'driver does not honor clone/snapshot' bugs  https://review.openstack.org/33609212:28
DuncanTOk, so your issue is either that there're some queues it isn't emptying at all, or else it isn't keeping up12:28
DuncanTChanging messaging technology is unlikely to make that root cause go away12:28
DuncanTWhat is the consumer count on the queues that keep growing? >0 ?12:29
swamireddyDuncanT: Agreed..Ceilometer is the one - which has major service to consume the Qs12:29
DuncanTrabbit can handle the rate of notifications in my experience, but nothing can let them build up for ever without effects12:29
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swamireddyDuncanT: zmq is light weight than rabbit, so it may solves...(its my guess)12:31
DuncanTHow can it solve it? Your limiting factor is not rabbit, it is the fact that messages aren't being consumed fast enough12:32
swamireddyDuncanT:  rabbit is not consuming all notifications from Qs12:32
DuncanTRabbit is a broker... it doen't consume messages12:32
DuncanTcinder is producing notifications and passing them to rabbit. Ceilometer is supposed to take those and process them. If it doesn't do so as fast as they are produced, then that's your problem12:33
DuncanTYou can easily test this theory by writing a bit of python that just loops receiving messages from the queues and throwing them away, see if things are stable with that running rather than ceilometer (I would strongly suspect that it will be)12:34
swamireddyDuncanT: Agreed that - "cinder is producing notifications and passing them to rabbit. Ceilometer is supposed to take those and process them"12:34
swamireddyDuncanT: but Q size is increase drastically...that means, consumtion is not happend12:35
DuncanTUnless you've evidence that ceilometer is blocked by rabbit performance, which I'd find very surprising, then changing out rabbit for something else fundamentally can't help12:35
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DuncanTRabbit doesn't consume messages itself, ceilometer does. Rabbit can handle thousands of messages a second, as long as the consumer keeps up12:36
DuncanTSounds like you need to find out why ceilometer is being too slow to handle messages (or isn't getting them at all. Which is why I asked about the consumer count on the queues. If it isn't consuming them at all, then it might be a simple ocnfig issue)12:37
swamireddyDuncanT: yes. but messages are queued-up like like 70,000 -> 90,000->etc...12:37
DuncanTSo, please answer the question, are any being consumed at all? What is the consumer count on those queues?12:38
swamireddyDuncanT: let me check my conf file and come back with consumer count...12:38
DuncanTIf nothing is ever consuming any, then you have a config issue12:39
swamireddyDuncanT: Basically, consumtion is slow sometime..12:39
DuncanTrabbitmq-ctl --list-queues name count consumers12:39
DuncanTOr something similar12:39
DuncanTI forget the exact option names, I haven't used it for a while12:39
swamireddyDuncanT: some times, consumtion is "0"...12:40
DuncanTSo if it is 0 then whatever is supposed to consume those entries has died (or never existed)12:41
swamireddyDuncanT:  cmd is "rabbitmqctl --list-queues"12:41
DuncanTYou need to fix that issue, it is nothing to do with rabbit12:41
DuncanTSure with tens of thousands of queued messages with no consumers it struggles, but so will anything else12:42
openstackgerritErlon R. Cruz proposed openstack/cinder: Fix HNAS stats reporting  https://review.openstack.org/34447712:42
DuncanTIf a particular queue always has zero consumers, then you've configured something to emit events to that queue without configuring something to consume them12:42
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DuncanTIf the consumer count for a particular queue drops to 0 sometimes, then whatever was consuming died, and you need to figure out why and fix it12:43
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DuncanTconsumer count is the count of the number of processes that have an active connection to rabbit and is asking to receive messages on that queue12:44
swamireddyDuncanT: yes, similar situation happening...so if we restart the service, all set (one quick way to solve the issue without much imapct to users/customers)12:45
DuncanTRestart which service?12:45
swamireddyDuncanT:  cinder, ceilometers...12:45
DuncanTIf dropping all your notifications doesn't affect customers, then you don't need them - turn them off - problem solved12:46
swamireddyDuncanT: along with cleaning the rabbit Qs12:46
smcginnisflip214: Thanks!12:46
swamireddyDuncanT: we tried to drop all notifictions droppping, problem was solved for some times...but not solved12:47
flip214smcginnis: thank you for your patience and not kicking us out immediately ;)12:47
DuncanTswamireddy: Just going into cinder.conf and turn them off if you don't need them12:48
DuncanTswamireddy: If you turn off their generation, they'll never cause a queue to fill up, by definition12:48
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swamireddyDuncanT: sure, will to update the cinder.conf and check...12:50
swamireddyDuncanT: but if we drop the notification from cinder and nova, then no way to get the meters from ceilomer..right?12:50
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smcginnisflip214: ;)12:51
DuncanTswamireddy: Yes, but you just said you're dropping all the notifications anyway, so they aren't getting to the meters anyway. Turn them all off except one service, get that working without problems, then move to the next service12:51
smcginnisscottda: Is that actually a problem? Or just more privsep noise for expected failures.12:52
DuncanTflip214: He's nicer than me ;-)12:52
smcginnisHah12:52
swamireddyDuncanT: Yes, we tried with - stopping all notfication from Nova  (not from Cinder) and still problem seen...12:53
swamireddyDuncanT: will try to stop same from Cinder and check...12:53
scottdasmcginnis: My volume create attempt went into error...12:54
scottdasmcginnis: But I'm trying to repro.... if noone else sees this it might be my ENV12:55
smcginnisscottda: I haven't seen it.12:56
smcginnisscottda: But haven't done too much with LVM lately either.12:56
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scottdasmcginnis: I found it while running geguileo 's Excellent test cases for HA..so might be a patch needing a rebase in that mix, or might be my new xenial devstack, or might be....12:57
swamireddyDuncanT: Thank you...will check service by service, will update the status... Thanks12:57
scottdaBTW, thanks again geguileo For the test cases...as usual they are thorough and awesome.12:57
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smcginnisAnyone seeing this one? libvirtError: Unable to read from monitor: Connection reset by peer13:05
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flip214DuncanT: that's not possible, is it? You're such a light-hearted person, always with a smile on your lips13:19
flip214tight-lipped, but still ;)    (Yes, we've had that discussion already)13:19
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smcginnisLike this? https://awazo.com/article/a_knife_and_smile.html13:21
smcginnis:D13:21
DuncanTflip214: In all seriousness, giving people who are keeping everybody (publicly) informed time to sort things is clearly the right way forward. There's no point being aggressive with people who are stepping up and clearly putting in the necessary effort13:21
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DuncanTsmcginnis: That's my new profile picute :-)13:22
smcginnisAnyone using requests seeing issues after the 2.11.0 release from 8/813:22
smcginnisDuncanT: ;)13:22
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smcginnisLooks like I'm hitting this: Some previous releases accidentally accepted integers as acceptable header values. This release does not.13:23
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erlonsmcginnis: Hi Sean13:25
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smcginniserlon: HI13:26
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erlonsmcginnis: Im trying to understand what is the status of multi attach feature13:27
smcginniserlon: We all are.13:28
erlonsmcginnis: I saw your email in the ML some weeks ago: http://lists.openstack.org/pipermail/openstack-dev/2016-July/100247.html13:28
smcginniserlon: Joking aside, it's going to be awhile.13:28
smcginniserlon: There's some foundational work that needs to be done between how Cinder and Nova interact.13:28
smcginnisThat needs to be squared away first.13:28
erlonsmcginnis: hmm,13:28
smcginnisAfter that's cleaned up, then Nova will start looking at supporting the multiattach functionality.13:29
erlonsmcginnis: what got me confused was that the BP says it was implemented13:29
smcginniserlon: So likely not until Ocata (or possible later)13:29
smcginniserlon: Yeah, that's a little confusing.13:29
smcginniserlon: It was implemented as far as what we planned to do on the Cinder side.13:29
erlonsmcginnis: so, implemented but broken?13:29
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smcginniserlon: But this is one of those things where Nova also needs to do some work to use it.13:29
erlonsmcginnis: hmm, so the Cinder part was ok13:30
smcginniserlon: Well... I won't state that as a fact yet. ;)13:30
flip214smcginnis: no, not quite. I compared Duncan to Vetinari in the past, but he just said "Don't let me detain you".13:30
adrianofrdulek smcginnis e0ne : We have all your comments addressed and CI happy on https://review.openstack.org/#/c/294076 . Pls, take a look when you have some time13:30
smcginniserlon: Really until it's implemented end to end, we won't know if there is something else needed on our side.13:30
smcginnisflip214: ;)13:31
smcginnisadrianofr: Sure, will try to get it it today.13:31
erlonsmcginnis: Hmm, I see13:31
adrianofrsmcginnis: Nice! Tks  :)13:31
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erlonsmcginnis: I got a costumer asking that, and I pointed your email, but he asked again telling that had seen that LVM was supporting it13:32
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smcginniserlon: Nope, unfortunately nothing can support multiattach at this point.13:33
erlonsmcginnis: hmm, ok13:33
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scottdaerlon: to follow multi-attach, "We have now the approved slot for the Cinder-Nova interaction changes meeting series. The new slot is __Monday, 1700UTC__, it will be on channel  __#openstack-meeting-cp__."13:37
guy__DuncanT: Hi DuncanT, are you here?13:37
scottdaerlon: And some (probably out-of-date) info : https://etherpad.openstack.org/p/cinder-nova-api-changes13:37
openstackgerritJiong Liu proposed openstack/cinder: Remove debug logger translations  https://review.openstack.org/35347713:38
erlonscottda: thanks scottda, Ill try to follw, though I feel like a fish out of the water in those Nova/Cidner meetings13:38
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DuncanTguy__: Yup13:43
guy__DuncanT: Thank you for your comment for the commit https://review.openstack.org/#/c/347103/.13:44
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guy__DuncanT: I created a new patch and I have added the release note here https://review.openstack.org/#/c/349318/313:45
DuncanTguy__: Should we abandon https://review.openstack.org/#/c/347103/ as outdated then?13:46
guy__DuncanT: yes I abandonned it13:47
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DuncanTguy__: Ah, yes, sorry. I hate the new jenkins so much13:48
DuncanTguy__: So a question about the disco to disco use-case here before I did into the review13:48
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DuncanTguy__: The idea of cinder backup is that you copy the data to a separate, offline storage place. Does that still make sense in the disco-to-disco case? Are these two entirely separate disco instances?13:49
guy__DuncanT: It is two entirely separate disco instances.13:50
DuncanTguy__: I'd also like to understand what disco is compared to say ceph or swift. We really don't benefit from every possible storage vendor writing a backup driver unless something about their storage that makes it especially suitable for the usecase13:50
DuncanTguy__: That's great, thanks13:51
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guy__DuncanT: Disco is a block storage system like ceph13:53
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DuncanTguy__: So why is it a better choice for backup than any of the 80+ block storage solutions we support?13:54
geguileoscottda: Are you running into problems with the manual tests?13:54
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geguileoscottda: Because I admit I wrote it right before the last rebase13:55
geguileoscottda: And after the last rebase I didn't do all the tests again13:55
scottdageguileo: Yes, I've had issues...13:55
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scottdageguileo: I'm about to re-test on a new devstack, but the previous tests were also a fresh devstack13:56
geguileoscottda: What operation?  So I can try it as well13:56
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scottdageguileo: volume create13:59
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scottdageguileo: I get this in the c-vol logs:14:01
scottdahttps://www.irccloud.com/pastebin/M7U4tC1F/14:01
guy__DuncanT: disco has a feature called deduplication. It means that when we backup using disco, the used space is minimized. Besides, the backup is fast and fault tolerant.14:01
geguileoscottda: That's a weird one!14:01
scottdageguileo: Yeah, it looks unrelated to your patches.14:02
geguileoscottda: Yes it does  :-(14:02
scottdageguileo: Give me a minute or 2, I'll attempt on my new system.14:02
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geguileoscottda: Ok, good luck!14:02
DuncanTguy__: Dedupe is very common on storage arrays... I'm worried here about every storage vendor wanting to put a driver in for backup. I really don't know where the line should be, but it needs thinking about. Are you around for the weekly meeting later?14:03
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scottdageguileo: With my new devstack, create works. The only difference is the broken one was with Ubuntu xenial (which is the first time I've used it) and the new, working one is Ubuntu trusty...14:07
scottdageguileo: Maybe I should be using RedHat :)14:07
geguileoscottda: lol14:07
geguileoscottda: Well, my tests were with F23  ;-)14:08
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openstackgerritEric Harney proposed openstack/cinder: Add functional-py35 to tox  https://review.openstack.org/35352114:13
xyangeharney: ping14:15
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guy__DuncanT: our dedup is a full cluster dedup, it is not a datanode wide. I will be around for the next meeting.14:16
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eharneyxyang: hi14:17
xyangeharney: can you please take a look of this? https://review.openstack.org/#/c/328052/    I addressed your comments.  moved the logic to the manager.  Thanks!14:17
eharneyxyang: ok14:18
DuncanTguy__: If your volume storage cluster and your backup storage cluster are deduping against each other, then I think you're failing to be a proper backup service. The backup should be restorable even if I set fire to every last one of your volume nodes and replace them with LVM boxes14:18
eharneyxyang: thanks14:19
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DuncanTAnybody core care to comment on https://review.openstack.org/#/c/350994/ please?14:22
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e0neDuncanT: +2/A'ed.14:26
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guy__DuncanT: Yes we can restore the backup to the volume cluster.14:27
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openstackgerritGorka Eguileor proposed openstack/cinder: Add cleanable base object and cleanup request VO  https://review.openstack.org/30302014:29
openstackgerritGorka Eguileor proposed openstack/cinder: Make c-vol use workers table for cleanup  https://review.openstack.org/30302114:29
openstackgerritGorka Eguileor proposed openstack/cinder: [WIP] Support A/A on Scheduler operations  https://review.openstack.org/34422614:29
openstackgerritGorka Eguileor proposed openstack/cinder: [PoC][Don't review] Testing delay  https://review.openstack.org/35306914:29
openstackgerritGorka Eguileor proposed openstack/cinder: Support A/A in attach/detach operations  https://review.openstack.org/31857314:29
openstackgerritGorka Eguileor proposed openstack/cinder: Support A/A in delete actions and get_capabilities  https://review.openstack.org/34422514:29
openstackgerritGorka Eguileor proposed openstack/cinder: [WIP] Cosmetic changes to scheduler  https://review.openstack.org/34604114:29
smcginnisgeguileo: That's it? It hardly filled a quarter of my screen. :)14:30
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geguileosmcginnis: Yeah, sorry, it was just an update on yesterday's patches, no new ones yet.  :-(14:30
smcginnisgeguileo: Hah!14:31
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openstackgerritMerged openstack/cinder-specs: Drop H803 in flake8 ignore list and useless directory openstack/common  https://review.openstack.org/35340314:45
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX Driver - Live Migration for VMAX3  https://review.openstack.org/33077814:52
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xinlimtreihish: My patch build 285640 failed in two sets, I debug the log and not find the root cause, any idea to debug? the link: https://review.openstack.org/285640 the logs: http://paste.openstack.org/show/553593/14:55
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openstackgerritTom Swanson proposed openstack/cinder: Dell SC: Requests async header is invalid  https://review.openstack.org/35355114:58
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scottdaeharney, xyang1, gouthamr, akerr, smcginnis, cFouts, e0ne, geguileo, dulek, flip214, ntpttr patrickeast, _alastor_, DuncanT, erlon ...Let's talk about Cinder tests14:59
geguileoo/14:59
scottda#startmeeting cinder_testing14:59
openstackMeeting started Wed Aug 10 14:59:53 2016 UTC and is due to finish in 60 minutes.  The chair is scottda. Information about MeetBot at http://wiki.debian.org/MeetBot.14:59
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.14:59
cFoutso/14:59
openstackThe meeting name has been set to 'cinder_testing'14:59
ntpttr__o/14:59
smcginnisscottda: Shoot, I still have a todo from the last meeting I haven't done. Sorry.15:00
xyanghi15:00
patrickeastHi15:00
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eharneyhi15:00
DuncanTHi15:00
_alastor_hi15:00
akerro/15:01
scottdasmcginnis: That's ok, since you haven't put up a devref patch to define the tests, we can Discuss the definitions some more today!!15:01
smcginnisscottda: ;)15:01
scottdaI'm kidding, of course.15:01
scottda#link http://gorka.eguileor.com/manual-validation-of-cinder-aa-patches/15:01
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scottdaI've been playing with geguileo 's manual tests for HA-ActiveActive ^^^15:01
scottdaGood stuff there, if anyone else wants to play around with it...15:02
scottdaI intend to start scripting some of that, probably today. I'll post a link to github when I'm going...15:02
openstackgerritTom Swanson proposed openstack/cinder: Dell SC: Requests async header is invalid  https://review.openstack.org/35355115:02
e0nehi15:03
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scottdae0ne: I think this week's Thursday QA meeing is friendly to your TimeZone? Can you attend?15:03
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tommylikehutime to start15:03
e0nescottda: yes, I'm going to addend it tomorrow15:04
SwansonHi All. Requests updated to 2.11.0 and smote my driver.  https://review.openstack.org/353551 adds two 's to fix it. Quick review?15:04
scottdae0ne: Looks like 0900 UTC15:04
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scottdae0ne: It would be great if you could get some QA core eyes on this for adding multi-backend list to tempest.conf: https://review.openstack.org/#/c/32589515:05
scottdaThat has one core +2, so hopefully it is close/ready15:06
e0nescottda: ok. added to my list15:06
jbernardi would like to raise awareness of rbd replication patch https://review.openstack.org/33356515:06
jbernardit's not quite done yet, but the big pieces are there15:06
scottdaWe15:07
scottdaWe15:07
jbernardany feedback and/or testing is much appreciated15:07
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scottdaWe've no real agenda for today...does anyone have anything about cinder testing to discuss?15:07
geguileojbernard: Any instructions on how to easily test it?15:07
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geguileoscottda: I will be updating the HA A/A patches later today, as I've seen a problem with queueing of retype and migrate15:08
jbernardgeguileo: I will get those posted15:08
e0nejbernard: what ceph version is required for this feature?15:09
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geguileoscottda: I'll update the .conf file in my site to point to the latest patch chain15:09
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jbernarde0ne: >= jewel15:09
scottdageguileo: Ok. I'll look for the updates and re-test15:09
patrickeastMaybe something of interest, I added an experimental pipeline for my ci so if you comment "run Pure Storage experimental" it will run with multi-node active active using a cluster of c-vols15:09
smcginnispatrickeast: Getting all fancy now, huh? :)15:10
eharneypatrickeast: nice15:10
patrickeastSmcginnis: haha something like that15:10
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scottda#info patrickeast added an experimental pipeline for my ci so if you comment "run Pure Storage experimental" it will run with multi-node active active using a cluster of c-vols15:10
xyangpatrickeast: how many c-vol nodes are in your cluster15:10
e0nejbernard: noted, thanks15:10
patrickeastxyang: just two15:11
jbernarde0ne: thanks15:11
scottdapatrickeast: Do you know offhand the status of patches to get multi-node into the upstream gate?15:11
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patrickeastScottda: not really, there are some changes I had to make (linked on the testing etherpad)15:12
scottdapatrickeast: Does you experimental job pull in AA/HA from master, or does it grap some later patchset from in-review queue?15:12
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nikesmhi,15:13
patrickeastscottda: it uses whatever is up for review, so to get the full effect run it on the last patch of the ha series15:13
scottdapatrickeast: Cool.15:13
patrickeastAlthough my ci is borked right now... So wait like a day to try it out :p15:14
scottdahaha15:14
nikesmself.backend_name = self.configuration.safe_get('volume_backend_name')  what will be the value of self.backend_name if volume_backend_name is not defined in cinder.conf15:14
ntpttr__I have a quick question about testing rolling upgrades - if I had OpenStack running with say two of every cinder service, and upgraded them one at a time from mitaka to master running tempest in between each upgrade would that be good validation? Starting with the db upgrade as well15:14
ntpttr__or is there any other step that would need to be done there15:14
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DuncanTntpttr__: That sounds reasonable to me. You might need something more than tempest runs, since tempest cleans everything up between runs - something simple that creates some volumes, leaves some attached during the upgrade, etc15:15
ntpttr__DuncanT: ah good idea, I can do that manually15:16
ntpttr__or write some sort of script15:16
scottdaDoes grenade do anything like that? create and attach volumes, then upgrade, and see if all is well?15:16
DuncanTI always recommend a script, you rarely end up doing such tests once. It need not be complicated though15:16
DuncanTNo idea about grenade, not gotten into it, sorry15:17
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scottdantpttr__: dulek may have more detailed test scenarios for rolling upgrade15:18
scottdabut I don't see him here.15:18
ntpttr__scottda: do you know the status of the grenade tests right now? There's a patch up to get those in right15:18
ntpttr__scottda: yeah, I'm going to be working with him some on this, I think I'm going to have a meeting with him on the topic sometime soon15:19
scottdantpttr__: grenade for rolling upgrades? I'm not sure15:19
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scottdaI think the controversy is about how the test matrix can easily explode with something like rolling upgrades15:20
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scottdaOther test things to discuss?15:22
DuncanTI think what we need is a thorough test set we can run on demand, like the experimental queue15:22
DuncanTIt isn't reasonable to try to get good, detailed upgrade coverage in the normal gate15:22
ntpttr__DuncanT: +115:23
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scottdaDuncanT: Agreed. And perhaps something that must be done in a local lab, if the tests take too long or take too many resources.15:23
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DuncanTCertainly it should be easier to start that way15:24
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scottdantpttr__: Would you consider documenting your (and dulek 's ) test scenarios and samples? It'd be nice to have even the manual steps you are doing documented.15:25
openstackgerritTom Swanson proposed openstack/cinder: Dell SC: delete_live_volume payload incorrect  https://review.openstack.org/35026215:26
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ntpttr__scottda: yeah, I'd be happy to15:26
scottda#action ntpttr__ will document manual tests and examples for rolling upgrades15:26
ntpttr__I'm still thinking about what deployment solution would be best for this sort of testing15:26
ntpttr__we're looking at kolla because it has upgrades playbooks, but we'd have to hack it a bit to get it to stop after upgrading services to run tempest and do other tests15:27
openstackgerritTom Swanson proposed openstack/cinder: WIP: Dell SC: Live Volume Autofailover  https://review.openstack.org/35078215:27
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DuncanTntpttr__: I had some good luck with containers. The nice thing is, you only need to build the HEAD one, the rest can be (and even are better if they are) the same ones from previously15:27
Swansonxyang, thanks!15:28
xyangSwanson: np15:28
DuncanTntpttr__: I wasn't using kolla but it is what I'd look at now15:28
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ntpttr__DuncanT: cool, I'll give it a try and keep notes on how it goes15:28
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scottdaWhat else, folks?15:29
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scottdaWe can be done, then. thanks everyone.15:31
scottda#endmeeting15:31
openstackMeeting ended Wed Aug 10 15:31:26 2016 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)15:31
openstackMinutes:        http://eavesdrop.openstack.org/meetings/cinder_testing/2016/cinder_testing.2016-08-10-14.59.html15:31
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/cinder_testing/2016/cinder_testing.2016-08-10-14.59.txt15:31
openstackLog:            http://eavesdrop.openstack.org/meetings/cinder_testing/2016/cinder_testing.2016-08-10-14.59.log.html15:31
ntpttr__thanks15:31
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SwansonHuawei FusionStorage CI and VMware NSX CI are having issues this morning. FYI.15:33
eharneyHuawei's is reporting "Merge Failed." ... errf15:33
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DuncanTswanson: Can you mention that in the meeting please, so it ends up minuted15:33
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ericb2hello. Not sure this is the right channel : I just build Cinder for Linux (following https://github.com/cinder ) instructions, and I fixed a little build breakage. But I dunno who send the patch ?15:34
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SwansonThey're failing within about a minute so I presumed a merge failure or other basic buggery.15:34
DuncanTericb2: Definitely the right place15:35
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smcginnisDuncanT, ericb2: Actually no, that's the other cinder.15:36
ericb2this is a one liner, may I paste it somewhere ?15:36
DuncanTsmcginnis: Oh, I entirely missed that15:36
ericb2I created it using git diff, so should be correctly formatted15:36
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DuncanTericb2: Sorry, my fault, this isn't the right place15:36
DuncanTI'm an idiot15:36
ericb2np15:36
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DuncanTericb2: It looks like they take public pull request though15:37
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ericb2DuncanT, are you sure this is usefull for a one liner ? I'm not used to git, and I don't have much time.15:44
DuncanTericb2: I have nothing to do with that project, sorry15:45
DuncanTericb2: Pull requests are the normal way to interact with projects on github though15:45
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ericb2DuncanT, ok. Apologies for bothering15:45
ericb2you15:45
DuncanTericb2: Maybe just raise a bug on github, and pu tthe fix in there?15:45
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ericb2DuncanT, to be honest, I'd prefer not create yet another account every time I fix a little build issue15:46
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ericb2np. bye all15:46
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DuncanTericb2: Well, I really can't help you then. If you haven't the time, forget it and hope somebody else fixes it later I guess15:47
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hemnawow what a cluster f*ck of a discussion in the ML15:58
scottdaWe like to cluster our discussions for scale out and HA15:58
scottdaAnd I always name my clusters "ClusterF"15:59
e0nehemna: did you expect quick decision?15:59
hemnaat this point, we should just create a new github account for cinder for driver fixes for EOL branches and be done with it15:59
hemnawe are all doing that already individually15:59
hemnathis is just dumb15:59
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openstackgerritIvan Kolodyazhny proposed openstack/cinder: Re-use RBDImageMetadata and RBDVolumeIOWrapper from os-brick  https://review.openstack.org/32699916:01
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openstackgerritMerged openstack/cinder: Managed snapshot should return ceiling of size in Huawei driver  https://review.openstack.org/33481916:10
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openstackgerritMerged openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/35332316:14
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openstackgerritnikesh proposed openstack/cinder: Concurrency issue in K2 iSCSI and FC Cinder drivers  https://review.openstack.org/35018216:20
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openstackgerritnikesh proposed openstack/cinder: Concurrency issue in K2 iSCSI and FC Cinder drivers  https://review.openstack.org/35018216:30
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nikesmhi if any one get time please review https://review.openstack.org/#/c/35018216:32
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openstackgerritMerged openstack/cinder: Prevent doc generation failure on OVO decorators  https://review.openstack.org/33513916:44
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openstackgerritRaunak Kumar proposed openstack/cinder: Add support for force backup for Nimble Storage  https://review.openstack.org/34908616:51
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openstackgerritRaunak Kumar proposed openstack/cinder: Add support for force backup for Nimble Storage  https://review.openstack.org/34908616:53
openstackgerritRaunak Kumar proposed openstack/cinder: Add support for force backup for Nimble Storage  https://review.openstack.org/34908616:54
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hemnawe are just going to continue to be told no in the ML at this point.17:00
hemnaand that porting driver changes is bad because there is no testing by infra17:00
smcginnishemna: Yep17:00
hemnaon EOL branches17:00
smcginnisSo since we can't test them we should move them somewhere we can't test them.17:00
smcginnisbbl17:00
SwansonSo known broken vs might be fixed.17:01
hemnasmcginnis, yup basically...oh and stop whining.17:01
eharneyand we can't get around that by naming them something other than "stable"?17:01
hemnaSwanson, stop whining17:01
hemna</sarcasm>17:01
Swansonhemna, but whining is all I know!17:01
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hemnaeharney, call them unstable/liberty17:03
hemna:P17:03
hemnaor driver-fixes/liberty17:03
hemnawhich is what we decided for the most part in Fort collins17:03
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eharneyright17:03
hemnaI dunno, this just seems like obstructionism for no good reason17:03
hemnawe are all publishing forks of cinder in our own githubs already17:04
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Swansonhemna, I like the driver-fixes thing.17:04
hemnaN forks of 'untested'/liberty for driver fixes.17:04
hemnabut since it's outside of the openstack/cinder repository, it's ok.17:04
xyanghemna: I like it: unstable/liberty.  very clear:)17:04
hemnaas we aren't breaking any openstack rules, etc.17:04
hemnascrum...bbiab17:04
Swanson500+ in gate. Jeebus.17:05
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e0neif somebody wants to review something, please review https://review.openstack.org/263744 - I hope to get it landed in Newton17:07
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diablo_rojounstable/liberty +117:07
e0nehemna: "unstable" prefix sound good. but what abobut EOL for such brunches?17:08
DuncanTuntested_driver_fixes_dont_say_the_infra_team_didnt_warn_you_if_it_eats_your_pet_cat/liberty17:08
openstackgerritHelen Walsh proposed openstack/cinder: Target WWN change to allow for redundancy  https://review.openstack.org/34230017:08
e0ne:)17:08
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SwansonDuncanT, +117:09
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DuncanTSigh. I guess I need to move the entry on the agenda that I actually thought would be contentious to next week then.... or just do it17:10
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thingeexyang: did you actually test this? https://review.openstack.org/#/c/348002/14 is it suppose to give the ci name in the output too?17:23
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xyangthingee: I just made sure the name is correct on 3rd party CI web site17:26
thingeexyang: ok, it's not given the ci name in the output17:26
thingeegiving*17:26
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xyangthingee: it may not be the CI name.  It is the last part of the CI wiki URL: https://wiki.openstack.org/wiki/ThirdPartySystems/EMC_ScaleIO_CI  So it is EMC_ScaleIO_CI in this case17:29
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thingeexyang: not sure I follow what you're saying. I'm saying the list of drivers from tools/generate whatever is not giving any ci name17:30
thingeejust driver name, version, dot path, description17:31
xyangthingee: ok, I see what you are saying, the ci_wiki_name is not printed.17:36
xyanghemna: ping17:36
hemnaback17:38
thingeehemna: looks like the ci name is being printed in that patch17:38
thingeetried a fresh env too17:38
thingeeisn't*17:38
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hemnadid I miss something?17:39
xyanghemna: the ci wiki patch17:39
thingeeit looks right to me. didn't see anything obvious just skimming the code17:39
hemnahow did you run it?17:39
thingeehttp://paste.openstack.org/show/553625/17:40
thingeejust tools/generate_driver_list.py17:40
hemnathingee, it's not supposed to list that in the text output17:41
thingeeah just dict17:41
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hemnait only outputs it when you run it with --format dict17:42
hemnado we want to output it in the text version (that will be visible on the docs)17:42
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openstackgerritEric Harney proposed openstack/cinder: Fix volume creation with no volume type  https://review.openstack.org/35366517:44
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openstackgerritnikesh proposed openstack/cinder: Concurrency issue in K2 iSCSI and FC Cinder drivers  https://review.openstack.org/35018217:46
xyanghemna: I got this error "AttributeError: 'DriverInfo' object has no attribute 'ci_wiki_name'" when using --format dict17:46
openstackgerritMerged openstack/cinder: Use object instead of string when reset backup  https://review.openstack.org/34766517:47
openstackgerritMerged openstack/cinder: Fix tox pip-missing-reqs  https://review.openstack.org/35259017:47
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hemnahrmm17:48
hemnaon the latest patchset ?17:49
hemnaxyang, https://review.openstack.org/#/c/348002/14/cinder/interface/util.py17:49
eharneyreviews appreciated for https://review.openstack.org/#/c/353665/  -- this has wedged up CI in the RDO world, and needs to be fixed in stable/mitaka too, where we just did a release17:49
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xyanghemna: yes, the latest patch17:51
geguileoxyang: I think this one fixes the issue in the os-brick XIO_FC job  ^^17:51
xyanggeguileo: great, I'll take a look.  thanks!17:51
hemnaxyang, make sure your interface/util.py has that change in it.17:52
xyanghemna: I did a git review -d with your change id17:53
xyanghemna: so it works on your setup?17:53
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openstackgerritMerged openstack/cinder: Add missing dependency on keystoneauth1  https://review.openstack.org/35259517:54
hemnaxyang, https://gist.github.com/WaltHP/bccf902dc4d2a37729f51e5a2335034d17:55
hemnaI *just* ran that after pulling the patch on a fresh repo17:55
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xyanghemna: I don't get it.  I have that utils.py change on my set up too17:56
hemnadunno, it works for me.17:57
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openstackgerritMerged openstack/cinder: Storwize: Quote vdisk names to handle spaces  https://review.openstack.org/34848117:59
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thingeeit's working for me too18:02
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thingeeI already approved it too =X18:02
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xyangthingee, hemna: something is wrong on my setup then:)18:02
hemnaxyang, try a fresh cinder repo and then git review -d ?18:03
hemnathe only reason why you would get that error is if the interface doesn't have that attribute set18:03
hemnabut my patch has that in there18:03
hemnagit status ?18:04
xyanghemna: let me retry.  I do see that change in the code though18:04
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hemnacan you pastebin the run of the tool?18:05
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xyanghemna: I already removed it.  do a git clone again18:06
hemnaok18:06
hemnagood luck :)18:06
hemnaxyang, did you figure out the scaleio issue we were on last night ?18:07
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xyanghemna: yes, there was a config error in our CI.18:09
xyanghemna: it was testing lib from pypi18:09
hemnaah ok good18:09
hemnaphew!18:09
xyanghemna: so the past success was not really testing the submitted os-brick patch.  Now that it's merged, this is the first real test18:09
xyanghemna: thanks for spotting that!18:10
xyanghemna: we'll fix our CI to test from git instead18:10
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hemnadoh18:12
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xyanghemna: I know why it didn't work for me now.  I am not running under /opt/stack/cinder, so it starts at a different location, when it calls utils, it goes to /opt/stack/cinder18:21
xyanghemna: so fixed code18:21
hemnaxyang, https://github.com/openstack/cinder/blob/master/tools/generate_driver_list.py#L71-L7418:23
hemnalooks like it does a chdir to cinder_root18:23
hemnawhich should be based off of the current location of the file (generate_driver_list.py)18:23
hemnaso it didn't work when you cloned to a different directory?  not /opt/stack/cinder ?18:24
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xyanghemna: yes.  I cloned it to ~/Git, so the tool starts there, then call utils under /opt/stack/cinder18:24
xyanghemna: that's why it failed.  I copied the new code to /opt/stack/cinder, it works18:25
hemnaah yah18:25
hemnaI got that to happen too18:25
hemna I have /opt/stack/cinder on master18:25
hemnaand ran the tool from my ~/cinder18:25
hemnapuked18:25
hemnaI'll post a follow up18:26
hemnathanks18:26
xyangok, thanks18:26
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nikesmhi if any one get time please review https://review.openstack.org/#/c/35018218:29
hemnaxyang, I think it's because the import is using the installed cinder package which is -e from /opt/stack/cinder18:30
hemnawon't really matter after the patch lands I guess.18:31
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xyanghemna: sure18:47
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openstackgerritNate Potter proposed openstack/python-cinderclient: Add "start_version" and "end_version" support to  argparse  https://review.openstack.org/34012918:48
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nikesmhemna: ISCSI volume not yet found at: [u'/dev/disk/by-path/ip-10.12.69.1:3260-iscsi-iqn.2009-01.com.kaminario:storage.k2.54633-lun-2']. Will rescan & retry.  Try number: 2  How can we increase number of retries here19:03
nikesmin connect_volume19:04
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nikesmgeguileo: thanks, yesterday rpc response timeout for terminate_connection was around 6 minutes for me, i changes its value to 20 minutes and i was able to detach 170 volumes19:08
nikesmsuccessfully19:08
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geguileonikesm: Glad to hear it19:08
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nikesmgeguileo: i set it from 1 min to 5 min, so it did not work for me for first time, then i checked req-id in c-vol.log and c-api.log and observered the actual response time and actual waiting time19:11
openstackgerritAlon Marx proposed openstack/cinder: Fix invalid services caused by enabled_backends  https://review.openstack.org/35369719:13
nikesmgeguileo: any idea on "ISCSI volume not yet found at: [u'/dev/disk/by-path/ip-10.12.69.1:3260-iscsi-iqn.2009-01.com.kaminario:storage.k2.54633-lun-2']. Will rescan & retry.  Try number: 2"  How can we increase number of retries here19:13
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geguileonikesm: I don't think that's configurable, though I could be wrong19:14
nikesmgeguileo: https://github.com/openstack/cinder/blob/master/cinder/volume/manager.py#L152219:18
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openstackgerritGyorgy Szombathelyi proposed openstack/cinder: Use keystoneauth1 for creating the keystone session  https://review.openstack.org/31849019:41
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openstackgerritMerged openstack/cinder: CI: Add CI_WIKI_NAME to all drivers  https://review.openstack.org/34800219:43
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openstackgerritMerged openstack/python-brick-cinderclient-ext: Add reno for release notes management  https://review.openstack.org/35066220:08
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hemnanikesm, so you can pass in device_scan_attempts into the ISCSIConnector20:27
hemnaand it will adjust how many times it can look for the new volume to show up20:27
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/python-brick-cinderclient-ext: Add fast8 ability to tox  https://review.openstack.org/35373721:01
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openstackgerritNicolas Trangez proposed openstack/cinder: Temporarily remove Scality volume driver  https://review.openstack.org/35373921:10
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Swansonneed more privsep logging.21:12
Swansonhttps://www.dpreview.com/news/3752523607/seagate-launches-60tb-ssd-drive21:12
openstackgerritSean McGinnis proposed openstack/cinder: Remove Scality volume driver  https://review.openstack.org/34804221:13
SwansonDueling patches!21:13
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smcginniseharney: That made me laugh. :)21:17
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eharneysmcginnis: :)21:17
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openstackgerritNate Potter proposed openstack/python-cinderclient: Add "start_version" and "end_version" support to  argparse  https://review.openstack.org/34012921:20
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openstackgerritNate Potter proposed openstack/python-cinderclient: Fix useless api_version of Manager class  https://review.openstack.org/30928321:24
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Swansonxyang, Thanks!21:49
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openstackgerritEric Harney proposed openstack/cinder: API tests: Less stubs, more mock  https://review.openstack.org/35376422:10
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openstackgerritJustin A Wilson proposed openstack/cinder: Added config option to enable SSL  https://review.openstack.org/35295822:20
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder: Mask out passwords when tracing  https://review.openstack.org/35313722:25
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openstackgerritJustin A Wilson proposed openstack/cinder: Added config option to enable SSL  https://review.openstack.org/35295822:28
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openstackgerritJustin A Wilson proposed openstack/cinder: Added config option to enable SSL  https://review.openstack.org/35295822:38
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder: Mask out passwords when tracing  https://review.openstack.org/35313722:53
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openstackgerritMerged openstack/python-brick-cinderclient-ext: Attach/detach features implementation  https://review.openstack.org/26374423:28
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oomichihi, does cinder v1 API support "create a volume type" ?23:38
oomichiaccording to https://github.com/openstack/cinder/blob/master/cinder/api/v1/types.py#L2323:38
oomichiit doesn't seem supporting it23:39
oomichibut http://developer.openstack.org/api-ref-blockstorage-v1.html#volumes-v1-types contains it23:39
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oomichitempest also doesn't test it23:40
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openstackgerritJiong Liu proposed openstack/cinder: Remove debug logger translations  https://review.openstack.org/35347723:46
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