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| openstackgerrit | Anish Bhatt proposed openstack/cinder: Only allow IOError to fall through when file not found is acceptable https://review.openstack.org/154713 | 00:02 |
|---|---|---|
| anish | mtanino: you might care about this since your patch is most probably going to land before mine ^ | 00:03 |
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| mtanino | anish: hi, | 00:12 |
| mtanino | anish: you try to fix file read problem? | 00:13 |
| anish | mtanino: not exactly. I'm just changing allowed errors from any open exception to file not found | 00:13 |
| anish | since the idea behind that changeset when it first came in was to reuse pre-existing chap information | 00:13 |
| anish | actually, I should just rebase it on top of your changeset | 00:14 |
| mtanino | anish: may be I think so, but | 00:15 |
| gugl2 | jgriffith, please take a look at the comments hemna put it there https://review.openstack.org/#/c/151353/ | 00:15 |
| mtanino | anish: if your patch will land before mine, I will rebase mine :) | 00:15 |
| mtanino | anish: I already rebased my patch 3 or 4 times... | 00:16 |
| jgriffith | gugl2: thanks | 00:16 |
| jgriffith | gugl2: hemna so fair | 00:16 |
| jgriffith | gugl2: hemna just FYI what I'm trying to avoid is the "one vendor features" that we keep doing lately | 00:16 |
| anish | mtanino: I HIGHLY doubt mine will land before yours, but I will rebase as well in case yours land first as well | 00:17 |
| anish | *one too many 'as well's | 00:17 |
| hemna | yup, we don't want single vendor features either. | 00:17 |
| jgriffith | hemna: I know you don't | 00:17 |
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| bitblt | if i only have one nfs mount point, and i decide i want to change it to something else, eg a re-IP, is it right that I'll have to manually change the provider_location in the db, then update the domain xml file to the new location too? | 00:18 |
| gugl2 | jgriffith, can you remove your vote after read the comments | 00:18 |
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| mtanino | anish: I set star mark of your patch, so I will get every change :) | 00:19 |
| jgriffith | hemna: gugl2 and note that I'm aware that's not the sched change itself, I commented that since I didn't review that patch before it merged I was raising my concern in the patch that was avail | 00:19 |
| anish | mtanino: a+ | 00:19 |
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| gugl2 | jgriffith, sched patch has been approved and merged by the community...you might need to let it go :) | 00:22 |
| jgriffith | gugl2: I'm aware, and yes you're right. I think I just need to let it go for a lot of things at this point | 00:22 |
| jgriffith | gugl2: but I won't :) | 00:23 |
| hemna | we have docs patches up in process already | 00:23 |
| gugl2 | jgriffith, sigh | 00:23 |
| jgriffith | hemna: gugl2 ok, there ya go. | 00:24 |
| jgriffith | hemna: gugl2 thanks | 00:24 |
| hemna | thanks man | 00:25 |
| jgriffith | hemna: NP, sorry I'm such a pita | 00:25 |
| thingee | jgriffith: with regards to your question about documentation for the evaluator here https://review.openstack.org/#/c/129987/ | 00:26 |
| gugl2 | jgriffith, thanks John! | 00:26 |
| thingee | jgriffith: documentation is posted https://review.openstack.org/#/c/152325/ | 00:26 |
| hemna | well I wouldn't say that. having docs in place is critical for everyone, and I think that was a good issue to raise | 00:26 |
| jgriffith | thingee: yes, I got that | 00:26 |
| jgriffith | thingee: but please note, that wasn't what i was looking for | 00:26 |
| jgriffith | thingee: I was looking for some information on the actual classes that were added | 00:26 |
| jgriffith | the implementation itself | 00:27 |
| jgriffith | thingee: particularly the evaluator code | 00:27 |
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| jgriffith | thingee: https://github.com/openstack/cinder/tree/master/cinder/scheduler/evaluator | 00:27 |
| jgriffith | thingee: but perhaps I'm out of line here | 00:27 |
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| thingee | jgriffith: Sure. fyi wasn't reading irc, just coincidence you're talking about it now | 00:28 |
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| thingee | I think leeantho wouldn't mind providing us more details though | 00:29 |
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| jgriffith | thingee: yeah, that's all I was looking for really | 00:31 |
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| leeantho | jgriffith, I can add more details on the evaluator part of the driver filter in the openstack-manuals if you want | 00:31 |
| jgriffith | and given it only had 3 reviewers it doesn't seem like I'm completely out of line | 00:32 |
| jgriffith | leeantho: so honestly if I'm the only one worried about it don't waste your time | 00:32 |
| jgriffith | leeantho: I was having some difficulty parsing through how your code works with the evaluator classes is all | 00:32 |
| jgriffith | leeantho: but I'll spend a few minutes looking at it later and I'm sure it will be just fine | 00:33 |
| thingee | jgriffith: Well I think it's fair. So leeantho I think the expectation of this from the docs "You should consult the best practices for the drivers that you plan on doing this to for more information" is not great. | 00:33 |
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| jgriffith | leeantho: for the record, when I see scheduler changes without a descent number of reviewers I get nervous. I also consider winston-d a lead on scheduler and prefer to see his reviews on things that go in if they're significant | 00:34 |
| thingee | jgriffith: not sure why winston-d wasn't added originally =/ | 00:35 |
| thingee | but I agree, we usually have winston-d sign off on these things. | 00:35 |
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| jgriffith | well, I'm going to take gugl2 's advice and "let it go", starting with making the drive home. BBL | 00:36 |
| jgriffith | cya | 00:36 |
| hemna | drive safe | 00:36 |
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| gugl2 | jgriffith, it will be good for your health. bye | 00:37 |
| leeantho | thingee, yes the line about consult the drivers best practice for the capabilities property is because the sub-properties in that are defined by the driver (based on how the scheduler does it right now), not sure how to document that in a general way since it could be different for each driver :( | 00:37 |
| thingee | leeantho: so where I'm getting it at, is you're setting this unknown expectation. Consulting the vendor on using a feature in OpenStack? That already makes setting up this feature difficult. | 00:38 |
| xyang | thingee, jgriffith, hemna: can I ask you to review these: Modify CG https://review.openstack.org/#/c/144561/ Incremental backup https://review.openstack.org/#/c/110068/ | 00:39 |
| thingee | xyang: since you +2/A can you explain this to me? | 00:39 |
| xyang | thingee: which one? | 00:40 |
| thingee | see backlog in the room and with regards to this change https://review.openstack.org/#/c/129987/ | 00:40 |
| xyang | thingee: this allows the driver to have custom filter and weigher functions | 00:41 |
| thingee | are there any other vendors looking to use this? | 00:46 |
| xyang | thingee: we would like to use this. in the L planning | 00:46 |
| thingee | oh excellent. can I get some examples of how you would use this compared to what you don't get in the filter scheduler? | 00:47 |
| xyang | thingee: we are still looking at what is the best formula for us. I can definitely give an update at a later point | 00:48 |
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| thingee | xyang: I guess that's the problem I'm having is understanding how other vendors plan to use this. | 00:49 |
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| thingee | xyang: I know it'll work for HP | 00:49 |
| thingee | and the problem is understanding this before L | 00:49 |
| xyang | thingee: so it allows you to use not only capacity, but other performance measurements to filter and weigh | 00:49 |
| thingee | I don't have to know specifics, but just want to understand that the framework works well for others and just some general ideas of how it can be used. | 00:49 |
| thingee | xyang: ah that would be kind of interesting | 00:50 |
| thingee | hemna, leeantho, kmartin: what sort of usecases were you all seeing with this for your drivers? | 00:50 |
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| hemna | thingee, so this entire idea came from a discussion in Hong Kong | 00:51 |
| thingee | hemna: apologies for my fuzzy mind :) | 00:52 |
| hemna | :) | 00:52 |
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| hemna | Duncan and I argued with the guy from Redhat about this | 00:52 |
| thingee | haha I remember that | 00:52 |
| hemna | and came up with the model of the goodness functions | 00:52 |
| xyang | this blueprint was originally registered by winston-d | 00:52 |
| hemna | it was almost a match to the death, then we all figured it out | 00:52 |
| xyang | I believe winston-d reviewed the spec as well | 00:53 |
| thingee | I think it would've been really good to have winston-d sign off on this one. | 00:53 |
| thingee | before merge | 00:53 |
| thingee | yeah he approved the spec. But xyang as you know, specs change. :) | 00:53 |
| xyang | thingee: very true:) | 00:54 |
| hemna | thingee, to be fair, the spec had been up since October | 00:54 |
| leeantho | thingee, winston-d, did look over it some and gave some feedback on it but never left comments on the patch itself | 00:55 |
| thingee | hemna: that's not what were talking about here. I'm trying to understand the point jgriffith raised of..OK, we have this thing. Lets hear how people plan to use this. This would've been a better discussion during spec talk actaully | 00:55 |
| thingee | leeantho: yeah, my point is code most of the time ends up being different, or not meaning to be different from the patch | 00:55 |
| thingee | patch=spec | 00:55 |
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| thingee | understand my nervous position here. I want to know that this works for others. | 00:56 |
| hemna | so the idea of this is to allow drivers to provide a goodness value that is a number between 0-100. that number is compared against other answers from other drivers to help the scheduler decide if a provisioning request should land on it or not. | 00:56 |
| leeantho | I meant he looked at the patch some, he gave me some feedback when it was different than he imagined (i had combined the filter and weigher together) | 00:56 |
| hemna | and the mechanism allows admins that understand the backends to tweak the algorithm for generating that goodness number. | 00:57 |
| hemna | as an admin might not want to have more than X volumes created on a backend | 00:57 |
| hemna | or whatever | 00:57 |
| thingee | leeantho: if he's talking to you on the side and not in the patch, that's not good for me. I need feedback in the patch. | 00:57 |
| hemna | thingee, +1 | 00:57 |
| hemna | ok so winston-d should have commented on the spec | 00:57 |
| hemna | he didn't | 00:58 |
| hemna | we can't control that | 00:58 |
| thingee | he did comment on the spec | 00:58 |
| thingee | even approved it | 00:58 |
| tbarron | so https://review.openstack.org/#/c/129987/ is merged but the link to the blueprint spec in its commit message fails | 00:58 |
| hemna | oh crap I'm looking at the wrong review :P | 00:58 |
| thingee | I'm saying I would feel better having feedback from him on this patch before end of K | 00:58 |
| hemna | sorry | 00:58 |
| * hemna is confused | 00:59 | |
| tbarron | just trying to understand impact myself | 00:59 |
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| thingee | tbarron: https://blueprints.launchpad.net/cinder/+spec/filtering-weighing-with-driver-supplied-functions | 01:00 |
| hemna | tbarron, yah I've been seeing that behavior with other reviews as well | 01:00 |
| hemna | the BP vanishes after it's landed | 01:00 |
| hemna | no idea | 01:00 |
| leeantho | thingee, I agree it would have been better to have the feedback on the patch itself. It had been a message that came up in openstack-cinder when kmartin and winston-d were talking about the spec/patch | 01:00 |
| thingee | I want feedback from winston-d on this patch before end of k and make sure it's what we envisioned from the spec. | 01:01 |
| hemna | yah so the cinder review was up since October w/o comment from winston | 01:01 |
| tbarron | hemna: kk, but how do you backtrack to the spec? guess the search prob isn't that hard, but one would think the commit msg would take one there | 01:01 |
| thingee | tbarron: https://review.openstack.org/#/c/129330/ | 01:01 |
| tbarron | thingee: thx | 01:02 |
| thingee | so a couple of things to be clear on this: winston-d should comment on this review (you can still publish comments in gerrit after merge). I also really want to hear from some other vendors on how they plan to use this, not just HP. If we can't have this information before K, we won't have it for K. I think this is fair information to understand. | 01:03 |
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| thingee | I do agree this is late request after spec approval, but if it's causing this much of a worry, then I don't understand why we can't know this information up front. | 01:04 |
| thingee | I don't need detailed information from other vendors either. Just want to make sure this framework will REALLY work for others. | 01:04 |
| hemna | thingee, I thought that was what the review process was for ? | 01:04 |
| hemna | it was in review for 5 months | 01:04 |
| hemna | and noone cared | 01:04 |
| hemna | well some folks did | 01:04 |
| thingee | that's what we said about replication | 01:04 |
| thingee | history | 01:04 |
| thingee | lets not repeat this | 01:05 |
| hemna | all I'm saying is, that we had this up for 5 months in review, and those conversations should have happened during the review | 01:05 |
| thingee | understood. But if there's not interest, then maybe it's not interesting for other vendors in openstack | 01:05 |
| thingee | so why it in this common interface? | 01:06 |
| hemna | just because others don't have plans for it in K now, doesn't mean it's not useful for them in the next release. | 01:06 |
| hemna | and I thought the main idea of cinder is to get vendors to help add features to cinder itself to make it better. | 01:07 |
| thingee | I think this information and understanding is fair for me to ask. If you're unsure of me asking this, then that really worries me about this working for other vendors. | 01:07 |
| hemna | so I'm confused | 01:07 |
| hemna | I'm not concerned about asking about the feature and how it works, how folks want to use it. | 01:07 |
| thingee | ok great. so why are we arguing? | 01:08 |
| hemna | I guess what worries me is threatening to remove something because you can't get feedback from others. | 01:08 |
| hemna | it's not something we can control | 01:08 |
| thingee | I think it's completely valid to understand how something is going to be used. If I can't understand that, I don't want it part of Cinder. | 01:08 |
| thingee | unfortunately it requires feedback and I think xyang will be happy to share that information | 01:09 |
| xyang | we are interested in this blueprint. we actually were thinking about implementing it ourselves if it was not already done by HP | 01:09 |
| hemna | well sure, understanding how something works is critical for cinder and everyone moving forward. | 01:10 |
| hemna | so yah, lets get feedback from folks and move forward from therem. | 01:10 |
| hemna | there. | 01:10 |
| thingee | hemna: truth is, I don't think it will be removed. I'm more setting worse case so that's understood now rather than me freaking out march 19th. I just really would like to get this information now from people. | 01:11 |
| hemna | yah that works for me. | 01:12 |
| hemna | at least we have the opportunity to have this discussion now instead of at the K3 deadline. | 01:12 |
| hemna | which is how lots of core features landed in the past....at the 3rd deadline, where no driver maintainers had a chance to look at it and provide driver support for it. | 01:13 |
| thingee | hemna: so with 1-100 that can be reported. In a multi-vendor environment, how is it determined of what one vendor considers a "70", from what another vendor considers what a "70" is? | 01:13 |
| thingee | or am I still not understanding this | 01:13 |
| hemna | that 70 means the same thing for each vendor | 01:13 |
| hemna | it's a unified # | 01:14 |
| thingee | I'm not even asking for actual driver code to be posted from other vendors. Just want to understand at a high level of how people plan to write support for this and if they really understand that it'll work for them and not limit their driver. | 01:14 |
| tbarron | how a unified number? "each backend to return two new functions when reporting capabilities/status, and those will be used for filtering and weighing." | 01:16 |
| hemna | basically any # above 50 means sure, I can probably take the next volume | 01:16 |
| hemna | less than 50 means...well I'm starting to not want another volume on my array | 01:16 |
| hemna | but that # is configurable by the admin | 01:16 |
| hemna | as they define how the goodness function is calculated | 01:16 |
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| hemna | so if an admin only wants N volumes on the array, then they bake that into their goodness function | 01:17 |
| tbarron | so admin is defining the function, not the backend vendor? | 01:17 |
| hemna | tbarron, yes | 01:17 |
| hemna | tbarron, the spec also says "An equation in string form that when evaluated using56 | 01:17 |
| hemna | PyParsing will be a value between 0 and 100." | 01:17 |
| tbarron | so netapp can't always return 99 to own all your bytes? | 01:17 |
| hemna | the netapp code won't | 01:18 |
| hemna | if the admin programs the goodness function to be that, then that's what they want and will get. | 01:18 |
| tbarron | sorry, i know I'm coming in late :-) | 01:18 |
| hemna | if netapp provides a patch that returns 99 in their goodness function declaration, then we'll see that in review.openstack.org | 01:18 |
| hemna | and call em out on it. | 01:18 |
| tbarron | so there;s a common semantics b/c the admin is in charge | 01:19 |
| hemna | yes | 01:19 |
| bswartz | lol | 01:19 |
| hemna | the admin knows their backends | 01:19 |
| hemna | bswartz, :P | 01:19 |
| tbarron | kk, my only concern would be the (apparent) complexity | 01:19 |
| hemna | why is netapp always the 'bad guy' in theoretical discussions? | 01:19 |
| hemna | heh | 01:19 |
| tbarron | hemna: I work for netapp, so didn't want to pick on xing or kurt | 01:20 |
| hemna | :P | 01:20 |
| bswartz | we've been here a long time | 01:20 |
| hemna | hehe | 01:20 |
| bswartz | and there's no such thing as bad publicity | 01:20 |
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| bswartz | so bash away | 01:20 |
| tbarron | bswartz: don't get any idea | 01:20 |
| tbarron | ideas | 01:20 |
| hemna | hehe | 01:20 |
| hemna | anyway, I have to head home. | 01:20 |
| thingee | bswartz: how do you plan to use this? | 01:20 |
| hemna | DuncanT, understands the idea just as well | 01:21 |
| bswartz | it is better to be hated than to be ignored | 01:21 |
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| tbarron | bswartz: no comment | 01:22 |
| bswartz | thingee: to use what? I just popped in and saw the jokes about netapp stealing all your bytes | 01:22 |
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| bswartz | tbarron: that's a famous quote from someone | 01:22 |
| bswartz | I can't remember who | 01:22 |
| thingee | bswartz: https://review.openstack.org/#/c/129330/11/specs/kilo/filtering-weighing-with-driver-supplied-functions.rst | 01:22 |
| bswartz | thingee: oh this | 01:23 |
| bswartz | this feature makes me sad | 01:23 |
| bswartz | it feels like an admission of defeat | 01:24 |
| bswartz | that the existing filter scheduler doesn't work well enough | 01:24 |
| thingee | bswartz: it would've been great to get your feedback back on https://review.openstack.org/129987 | 01:25 |
| bswartz | I imagine that some useful features can be built using this mechanism, but I'd rather that backends actually returned useful capabilities and the filter scheduler filtered/weighed them to arrive at the outcome | 01:25 |
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| tbarron | bswartz: https://www.youtube.com/watch?v=N820sYc0zDA | 01:26 |
| bswartz | thingee: I don't feel like the feature is a bad idea by itself, but I think it would have been an unnecessary one if we worked harder on reporting capabilities | 01:27 |
| thingee | which we are working on. | 01:27 |
| bswartz | maybe a "goodness" function can serve as a reasonable default for administrators who can't be bothered to turn their brains on and write decent weighers/filters | 01:28 |
| bswartz | but different deployments will have different requirements and a goodness function is by definition one-size-fits-all | 01:29 |
| bswartz | the case I'm most interested in seeing a scheduling based on performance headroom | 01:30 |
| bswartz | that's an extremely complicated topic, but I think it would be desirable to users | 01:30 |
| tbarron | bswartz: 'performance headroom' => load-balancing? | 01:31 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Introducing micro_states for create workflow https://review.openstack.org/124205 | 01:37 |
| bswartz | tbarron: for one definition of load, yes | 01:38 |
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| bswartz | what makes performance-based scheduling so fiendish is that I/O workloads can change dramatically from 1 instant to the next | 01:39 |
| bswartz | you can have a storage node that looks nice and calm and then all of a sudden some tenant decides to run iobench against it | 01:40 |
| bswartz | so it needs to be combined with some sort of qos controls and some sort of average-over-time monitoring to get reasonable results | 01:41 |
| tbarron | seriously, I do endorse the request for use-cases, as I think administrators are very busy, they won't have time to write decent weighers/filters, or (I fear) a sensible cross-backend goodness/filter functions. | 01:41 |
| tbarron | bswartz: completely agree about the volatility of performance-based scheduling | 01:42 |
| thingee | I agree with hemnafk this is late in discussion, but there's not wrong with discussing something, especailly if it hasn't been released. | 01:42 |
| tbarron | thingee: +1 | 01:42 |
| thingee | and if people are unsure how this would work for the administrator, why make things more complex? | 01:42 |
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| bswartz | thingee: I wish more administrators were represented on this team | 01:45 |
| bswartz | as it stands, DuncanT is the closest thing we have to a deployer/user of cinder | 01:45 |
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| thingee | I'm going to raise this on the OpenStack ops list | 01:46 |
| tbarron | thingee: +1 | 01:47 |
| openstackgerrit | Chao Zheng Li proposed openstack/cinder: Add consistency group support for XIV/DS8K cinder driver proxy https://review.openstack.org/150281 | 01:47 |
| tbarron | additional complexity should be wieghed against actual expected value add | 01:48 |
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| openstackgerrit | Mitsuhiro Tanino proposed openstack/cinder: Clear migration_status from a destination volume if migration fails https://review.openstack.org/154739 | 02:14 |
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| openstackgerrit | wanghao proposed openstack/cinder: Implement function of import/export snapshots https://review.openstack.org/144590 | 02:40 |
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| openstackgerrit | Steven Kaufer proposed openstack/cinder: Replication status periodic task optimization https://review.openstack.org/154673 | 03:20 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Don't fail target_delete if target doesn't exist https://review.openstack.org/154249 | 05:06 |
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| thingee | winston-d: you around? | 05:33 |
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| p01s0n | On centos 6.6 icehouse , cinder is failing to attach volume to instance as it tries to find lun-1 which is not present and only lun-0 is available in /disk/by-path/ any idea about this behaviour | 05:41 |
| anish | what is your iscsi_helper ? | 05:44 |
| p01s0n | anish : tgtadm using with VNX as backend | 05:50 |
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| anish | p01s0n: according to this, it is looking for lun-0 by default, not lun-1 https://github.com/openstack/nova/blob/stable/icehouse/nova/virt/libvirt/volume.py#L639 | 05:53 |
| anish | so you might have something else going on | 05:53 |
| anish | plus that's on the nova side, not cinder | 05:53 |
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| p01s0n_ | thanks anish ,not sure why its looking for lun-1 , for now i made a symlink to lun-1 and is working | 05:57 |
| anish | sure (I'm also assuming you were using iscsi and not iser/multipath etc) | 06:01 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Transifex https://review.openstack.org/152401 | 06:09 |
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| sparr | I need to get access to files on a cinder volume when I don't have a VM to attach it to. Is there a way to mount it on the cinder host? | 06:22 |
| p01s0n_ | anish storage supports multipath,but i haven't done anything in driver to use that | 06:26 |
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| hemna | jaypipes, ping | 06:35 |
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| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Introducing micro_states for create workflow https://review.openstack.org/124205 | 07:09 |
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| openstackgerrit | Xi Yang proposed openstack/cinder: EMC VNX Cinder Driver iSCSI multipath enhancement This commit is to be consistent with the iSCSI multipath ehancement in Cinder and Nova: * Return multiple portals and iqns when multipath=True is specified in the connector info * Return one portal and i https://review.openstack.org/154772 | 07:14 |
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| openstackgerrit | Marc Koderer proposed openstack/cinder: quobyte: remove dependency to xattr https://review.openstack.org/154543 | 08:26 |
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| openstackgerrit | Marc Koderer proposed openstack/cinder: quobyte: remove dependency to xattr https://review.openstack.org/154543 | 08:29 |
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| openstackgerrit | Xi Yang proposed openstack/cinder: EMC VNX Cinder Driver iSCSI multipath enhancement This commit is to be consistent with the iSCSI multipath ehancement in Cinder and Nova: * Return multiple portals and iqns when multipath=True is specified in the connector info * Return one portal and i https://review.openstack.org/154772 | 08:30 |
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| openstackgerrit | Xi Yang proposed openstack/cinder: EMC VNX Cinder Driver iSCSI multipath enhancement This commit is to be consistent with the iSCSI multipath ehancement in Cinder and Nova: * Return multiple portals and iqns when multipath=True is specified in the connector info * Return one portal and i https://review.openstack.org/154772 | 08:33 |
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| openstackgerrit | wang peter proposed openstack/cinder: CG Modification Support in EMC VNX Cinder Driver https://review.openstack.org/154784 | 08:38 |
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| openstackgerrit | harsh mishra proposed openstack/cinder: Fixing cinder-status value when the service is disabled https://review.openstack.org/154124 | 09:39 |
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| openstackgerrit | harsh mishra proposed openstack/cinder: Fixing cinder-status value when the service is disabled https://review.openstack.org/154124 | 09:49 |
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| openstackgerrit | Anton Arefiev proposed openstack/cinder: Import only modules: H302 https://review.openstack.org/145780 | 10:03 |
| DuncanT | Thingee: Unfortunately you were discussing it at 3am my time, but I've added a fairly detailed comment to the filter/goodness function driver side review that I hope helps, including a few examples. The one area I have that is somewhat divergent from last night's discussion is that I think vendors can provide useful default functions, particularly filter | 10:07 |
| DuncanT | function. I see the cinder core assuming the average cloud admin having a great deal more knowledge about their storage than is, in my experience, justifiable. | 10:07 |
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| DuncanT | Thingee: I'm fine with goodness functions being left up to the admin if we see them as too contentious, but I really feel there is value in vendors being able to give good default filter functions, even if it takes time for them to actually do so, so I'd like the mechanism baked in from the start (which I don't see how to do with the current patch, hence | 10:09 |
| DuncanT | the repeated -1s and now the long comment on the patch) | 10:09 |
| yuriy_n17 | Hi Duncan | 10:10 |
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| openstackgerrit | Rushi Agrawal proposed openstack/cinder: Hitachi: Remove duplicate CHAP opts https://review.openstack.org/149542 | 10:49 |
| openstackgerrit | Rushi Agrawal proposed openstack/cinder: EQLX: Consolidate CHAP config options https://review.openstack.org/148091 | 10:49 |
| yuriy_n17 | DuncanT: Hi Duncan, could you please remove -2 at https://review.openstack.org/#/c/145821/ | 10:50 |
| DuncanT | yuriy_n17: Done | 10:52 |
| yuriy_n17 | DuncanT: Thanks | 10:54 |
| DuncanT | yuriy_n17: No problem. Sorry about not spotting the -2 when you emailed me | 10:54 |
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| openstackgerrit | TaoBai proposed openstack/cinder: Storwize: Replication status still active when primary copy is offline https://review.openstack.org/154827 | 11:04 |
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| openstackgerrit | Anton Arefiev proposed openstack/cinder: Change exception message in volume api https://review.openstack.org/143656 | 11:10 |
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| openstackgerrit | Yuriy Nesenenko proposed openstack/cinder: Fix comments style according to the Hacking Rules https://review.openstack.org/145821 | 11:23 |
| openstackgerrit | Anton Arefiev proposed openstack/cinder: Fix lvm manage existing volume https://review.openstack.org/139071 | 11:26 |
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| openstackgerrit | harsh mishra proposed openstack/cinder: Fixing cinder-status value when the service is disabled https://review.openstack.org/154124 | 11:29 |
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| openstackgerrit | Anton Arefiev proposed openstack/cinder: Change exception message in volume api https://review.openstack.org/143656 | 12:53 |
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| kallebe | Good morning. Any core developer/reviewer online? I would appreciate if you could review this commit. It is just a quick fix, no big deal. Thanks. https://review.openstack.org/#/c/154105/ | 13:28 |
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| davechen | winston-d: Good evening, still online? :) | 13:46 |
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| openstackgerrit | yogeshprasad proposed openstack/cinder: Closes-Bug: 1420746 https://review.openstack.org/154878 | 13:53 |
| openstack | bug 1420746 in Cinder "Fix the total_capacity_gb in CloudByte iSCSI cinder driver" [Undecided,Confirmed] https://launchpad.net/bugs/1420746 - Assigned to yogeshprasad (yogesh-prasad) | 13:53 |
| p01s0n | i am trying to attach volumes to instance but it says "Volume device not found at /dev/dsik/by-path/ip-172.16.10.17:3260-iscsi-iqn.1992-04.com.emc:cx.apm00144921936.a0-lun-1 " | 13:54 |
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| DuncanT | j #openstack-nova | 14:11 |
| DuncanT | Bah | 14:11 |
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| mflobo | question: | 14:35 |
| mflobo | Do you know what is the call, using python-cinder API, to update quota for specific volume type? | 14:35 |
| mflobo | My code is something like this: | 14:35 |
| mflobo | 14:35 | |
| mflobo | cinder_client.quotas.update(project_id, volumes=volumes, gigabytes=gigabytes) | 14:35 |
| mflobo | But I miss the parameter to specify the volume type | 14:35 |
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| openstackgerrit | Thang Pham proposed openstack/cinder-specs: VMware: adapter_type volume type extra spec https://review.openstack.org/129389 | 14:49 |
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| DuncanT | mflobo: I don't know off the top of my head, but if you give me a minute, I'll take a look | 15:02 |
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| mflobo | DuncanT, thank, I'll really apreciate that | 15:08 |
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| openstackgerrit | Thang Pham proposed openstack/cinder: Snapshot object https://review.openstack.org/133566 | 15:26 |
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| openstackgerrit | Michal Dulko proposed openstack/cinder: Fix allocated_capacity tracking when rescheduling https://review.openstack.org/154920 | 15:51 |
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| hemna | TobiasE, ping | 15:58 |
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| TobiasE | hemna, Hi | 16:18 |
| hemna | TobiasE, so, what's up w/ nova multi-attach ? | 16:19 |
| hemna | haven't heard from you in a while | 16:19 |
| TobiasE | just checking with Jay the splitted patches | 16:19 |
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| TobiasE | Jay said Multi-Attach is on the Agenda for tomorrows nova meeting | 16:20 |
| hemna | ok good | 16:20 |
| hemna | I just posted a small -1 for https://review.openstack.org/#/c/153033/ | 16:20 |
| hemna | it's breaking the nova tests currently | 16:21 |
| TobiasE | I have a look | 16:21 |
| openstackgerrit | Mikhail Khodos proposed openstack/cinder: Remove optional parameter from lun mapping call as it's unneeded and creates an issue in case of HA-cluster. https://review.openstack.org/154935 | 16:22 |
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| TobiasE | hemna: Ok, any idea how to secure that it is there? | 16:22 |
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| hemna | so, it's an object no? can't we check to see if the object has that attribute before reading it? | 16:26 |
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| TobiasE | hemna: should work | 16:26 |
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| guitarzan | getattr(obj, 'foo', None) ? | 16:28 |
| hemna | yuh | 16:28 |
| hemna | TobiasE, we need to get all of the tests passing in nova before the meeting | 16:29 |
| hemna | or we don't have much of a leg to stand on for getting an exception | 16:29 |
| hemna | Cinder side is done basically | 16:29 |
| hemna | but it most likely won't land if Nova doesn't agree to landing in K as well. | 16:29 |
| TobiasE | ok | 16:29 |
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| hemna | I really don't want this getting pushed out to L, unless something is horrible broken with the idea. | 16:33 |
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| TobiasE | No, you are right. After all the work. | 16:35 |
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| openstackgerrit | Walter A. Boring IV (hemna) proposed openstack/cinder-specs: Volume multi attachments https://review.openstack.org/154135 | 16:40 |
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| hemna | TobiasE, so it would be great if we can close in on the tempest failures in nova and get that cleaned up asap. | 16:41 |
| TobiasE | yep, working on it | 16:41 |
| gary-smith | fyi, there is a corresponding horizon change for multi-attach https://review.openstack.org/#/c/108165/ ready to go | 16:43 |
| hemna | gary-smith, thanks | 16:48 |
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| thingee | davechen: apologies again for cutting you off | 17:04 |
| davechen | thingee: never mind, :) | 17:04 |
| dulek | Just a notification - I've sent a patch for allocation tracking issues, some of you probably want to take a look :) | 17:04 |
| dulek | https://review.openstack.org/#/c/154920/1 | 17:04 |
| thingee | dulek: added jgriffith to it | 17:05 |
| dulek | thingee: Thanks. | 17:05 |
| dulek | Got to go now, I'll try to answer any comments from home. Have a good day! | 17:05 |
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| thingee | alright folks I'll be back later. Need to head into the office. | 17:05 |
| thingee | dulek: thanks | 17:05 |
| davechen | thingee, actually, I just wanna to see if there is any big mistake with those patches. I think I already got some feedback from you, fruitful already. | 17:05 |
| erlon | xyang1: hi Xyang, any idea of what is happening to this EMC CI in this review?? https://review.openstack.org/#/c/145821/ | 17:05 |
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| erlon | xyang1: 654 rechecks | 17:07 |
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| xyang1 | erlon: Don't know why it repeats the same thing | 17:07 |
| xyang1 | erlon: I"ll take a look | 17:08 |
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| xyang1 | erlon: That is a new CI just started reporting | 17:08 |
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| thingee | e0ne, xyang1: https://review.openstack.org/#/c/154335/ | 17:15 |
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| e0ne | thingee, xyang1: thanks! +A | 17:16 |
| xyang1 | thingee, e0ne thanks! | 17:17 |
| e0ne | xyang1: thanks for fixing it. it ate my time to debug this isseu | 17:17 |
| e0ne | *issue | 17:17 |
| xyang1 | e0ne: Np. Thanks for reporting the problem | 17:18 |
| e0ne | actually, yuriy_n17 found it | 17:18 |
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| openstackgerrit | Walter A. Boring IV (hemna) proposed openstack/cinder-specs: Volume multi attachments https://review.openstack.org/154135 | 17:41 |
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| * e0ne wondering that check-tempest-dsvm-full-ceph works on gated but doesn't with devtask from mastee | 18:06 | |
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| eharney | e0ne: what are you seeing? | 18:19 |
| jgriffith | e0ne: there was a change to how to install/run tempest | 18:21 |
| e0ne | eharney: ubuntu 14.04. 1) it didn't install ceph pacakes (ceph-common, ceph, python-ceph); 2) it doesn't configure cinder and ceph | 18:21 |
| jgriffith | e0ne: particularly if you were like me and not running with tox | 18:21 |
| e0ne | https://bugs.launchpad.net/devstack/+bug/1399750 - here is one of the issues | 18:22 |
| openstack | Launchpad bug 1399750 in devstack "rbd_secret_uuid not getting generated in cinder.conf" [Undecided,Confirmed] | 18:22 |
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| e0ne | jgriffith: is it documented anywhere? in wich repo these scripts are exisit? | 18:23 |
| eharney | e0ne: let me compare to the config used in the gate.. | 18:23 |
| jgriffith | e0ne: well, the ceph install part I'm not sure I can help you | 18:23 |
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| jgriffith | e0ne: the running tempest part: tox -e all -- volume | 18:24 |
| jgriffith | e0ne: which is apparantly the preferred way anyhow, I just didn't know :) | 18:24 |
| jgriffith | e0ne: but it sounds like you're running into something completely different | 18:24 |
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| e0ne | jgriffith: i'm trying to install it with devstack | 18:26 |
| eharney | e0ne: no enable_service / ENABLED_SERVICES change? | 18:26 |
| e0ne | damn... | 18:26 |
| e0ne | stupid error | 18:26 |
| eharney | i think that's it based on the bug | 18:26 |
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| e0ne | eharney: thanks for the help. i need to be more careful at the end of the day. i'll notify you after devstack setup finished | 18:29 |
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| vilobhmm | e0ne : sorry got disconnected if you replied in btwn | 18:38 |
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| e0ne | eharney: my fail. it works. i'm sorry if confused you | 18:44 |
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| vilobhmm | e0ne : ping | 18:46 |
| vilobhmm | sorry in today’s cinder meeting couldn’t answer few of your concerns due to limited time | 18:46 |
| e0ne | vilobhmm: shoud go offline. be back in few ours | 18:46 |
| e0ne | *in few hours | 18:47 |
| vilobhmm | if you still have any questions regarding the micro-states feature would be happy to answer | 18:47 |
| vilobhmm | sure | 18:47 |
| vilobhmm | thanks | 18:47 |
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| vilobhmm | i have also dropped you an email please have a look | 18:47 |
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| openstackgerrit | nikeshmahalka proposed openstack/cinder: Add iSCSI SCST Target support to cinder https://review.openstack.org/145778 | 19:11 |
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| nikesh_vedams | hi | 19:26 |
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| nikesh_vedams | need some information on how to import non-openstack volumes into cinder | 19:28 |
| nikesh_vedams | which driver support this feature? | 19:29 |
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| thingee | DuncanT: you still around? | 19:31 |
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| hemna | thingee, anything holding os_brick up in governance? | 19:35 |
| hemna | I'm working on the cinder patch now to remove brick | 19:35 |
| thingee | Not sure. I gave my +1, so it's not waiting on me. | 19:35 |
| hemna | hope to have a WIP up today | 19:35 |
| thingee | hemna: awesome! | 19:35 |
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| hemna | yah I saw that, which is why I was curious | 19:35 |
| hemna | bunch of other +1's on it as well | 19:36 |
| thingee | I maybe "the guy", but even I don't know how these things work ;) | 19:36 |
| * thingee has no idea what he's doing | 19:37 | |
| hemna | yah this is all new to me | 19:37 |
| hemna | your +1 isn't on the review FWIW | 19:37 |
| thingee | hemna: it doesn't let me | 19:38 |
| thingee | just comment | 19:38 |
| hemna | huh that's odd. ok | 19:38 |
| hemna | must be limited to TC members ? | 19:38 |
| thingee | yeah, I'm not cool enough | 19:38 |
| * hemna thinks thingee is cool. | 19:39 | |
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| hemna | xyang, https://review.openstack.org/#/c/141729/ needs rebase | 19:39 |
| nikesh_vedams | thingee jgriffith : morning :) | 19:40 |
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| xyang1 | hemna: Ok, will rebase. Thanks | 19:44 |
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| smcginnis | nikesh_vedams: This might be what you're looking for: https://review.openstack.org/#/c/138125/ | 19:46 |
| smcginnis | nikesh_vedams: Or at least get you going in the right direction. | 19:46 |
| nikesh_vedams | smcginnis : thanks | 19:48 |
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| nikesh_vedams | smcginnis : this also good link https://review.openstack.org/#/c/129652/ | 19:55 |
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| nikesh_vedams | smcginnis : https://blueprints.launchpad.net/cinder/+spec/add-export-import-volumes this also i found proposed by jgriffith | 20:00 |
| gugl2 | ping DuncanT | 20:00 |
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| kaufer | jgriffith: Do you have a minute to discuss your comments here? https://review.openstack.org/#/c/154673/ | 20:03 |
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| nikesh_vedams | smcginnis : similarly do you have any link for retype feature in cinder | 20:03 |
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| nikesh_vedams | jgriffith: we addressed the reviews and for https://review.openstack.org/#/c/148038/ we have small changes in our scst.py which we are thinking to submit when that patch merged in.Any suggestions on that | 20:07 |
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| nikesh_vedams | jgriffith: because that patch is changing targets/iscsi.py and base class of our scst.py is targets/iscsi.py so small changes | 20:09 |
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| openstackgerrit | xing-yang proposed openstack/cinder: Add support to incremental backups in cinder https://review.openstack.org/110068 | 20:11 |
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| jgriffith | nikesh_vedams: hey... what kind of "small" changes :) | 20:20 |
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| jgriffith | nikesh_vedams: cool... looks good | 20:22 |
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| jgriffith | nikesh_vedams: I need to mess with the rootwrap thing | 20:22 |
| jgriffith | I can do that tonight | 20:22 |
| jgriffith | worst case I'll update your patch if it lands between now an then | 20:22 |
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| nikesh_vedams | jgriffith: means if we have to inherit that iscsi.py base class,then that class have some abstract methods which we have to redefined and some functions we will remove beacuse they are already in iscsi.py | 20:23 |
| nikesh_vedams | apart from that no big change | 20:24 |
| nikesh_vedams | :) | 20:24 |
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| nikesh_vedams | jgriffith:thanks | 20:35 |
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| anish | jgriffith: can you take a look at https://review.openstack.org/#/c/147758/ as well ? | 20:41 |
| anish | it's been lying dormant for a while now | 20:41 |
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| vilobhmm | xyang : please have a look at https://review.openstack.org/#/c/124205/ when you get time | 20:43 |
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| xyang1 | vilobhmm: Sure | 20:49 |
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| nikesh_vedams | going to bed,see you all tommorow :) | 20:56 |
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| jungleboyj | thingee: Sorry about this one: https://bugs.launchpad.net/bugs/1381883 Didn't know they were doing that. There is a BP up now. | 21:12 |
| openstack | Launchpad bug 1381883 in Cinder "Add volume replication support to IBM GPFS cinder driver" [Undecided,Invalid] - Assigned to Sasikanth Eda (sasikanth) | 21:12 |
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| dannywilson | @jungleboyj Hello, do you know of plans for tempest tests to cover volume replication work? I would like to contribute in that area. | 21:20 |
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| jungleboyj | dannywilson: That is a good question. There was some discussion about that last week but haven't put anything concrete together yet. | 21:27 |
| dannywilson | jungleboyj: Okay. Does something like that need a blueprint or anything else? | 21:28 |
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| jungleboyj | I don't believe that it does. I haven't contributed to tempest yet though. | 21:30 |
| dannywilson | Okay, I'll start looking into it. Thanks | 21:31 |
| jungleboyj | That would be awesome. I wonder if I should start a thread on the mailing list to discuss doing this or open an etherpad to organize the work. | 21:32 |
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| dannywilson | Both of those sound like good ideas. Maybe an email to get things started and keep track of things on etherpad | 21:33 |
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| jungleboyj | Ok, I will do that. Thanks for bringing it up! | 21:40 |
| jungleboyj | dannywilson: ^ | 21:40 |
| jgriffith | anish: so I'm pretty good with that | 21:41 |
| jgriffith | anish: but I think you should refactor it based on the work mtanino has in process | 21:41 |
| dannywilson | jungleboyj: thanks to you too | 21:41 |
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| jgriffith | anish: I'd like to cut out some duplication as well | 21:41 |
| jgriffith | anish: but I promise I'm not going to make you wait another month | 21:42 |
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| anish | jgriffith: yes, I am aware of that | 21:46 |
| anish | I'm on that changeset as well, so bascially just waiting on when to rebase | 21:47 |
| jgriffith | anish: ok, fair enough | 21:47 |
| anish | also been in touch with mtanino, so not an issue | 21:47 |
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| jgriffith | anish: didn't know if you wanted to jump on making yours a dep and doing the rebase now | 21:47 |
| jgriffith | anish: not sure how clean it is, but looks like it might be fairly straight forward | 21:48 |
| anish | yes, except for one change | 21:48 |
| mtanino | jgriffith: anish He gaves me some review to my work :) | 21:48 |
| anish | jgriffith: https://review.openstack.org/#/c/154713/ | 21:48 |
| anish | so I can rebase that on mtanino's patch, and rebase mine on top of that | 21:48 |
| anish | that works ? | 21:48 |
| jgriffith | anish: it's fine, you're not going anywhere :) | 21:49 |
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| jgriffith | anish: just want to make sure it doesn't stop/slow down mtanino 's progress for starters (want to merge that ASAP) | 21:49 |
| jgriffith | anish: and then make sure you're aware there's going to be follow up work | 21:49 |
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| anish | sure, makes sense | 21:51 |
| anish | I did not make it on top of mtanino's patch as mine was originally aimed for k2 | 21:52 |
| jgriffith | anish: no worries | 21:52 |
| openstackgerrit | Mikhail Khodos proposed openstack/cinder: Remove optional parameter from lun mapping call https://review.openstack.org/154935 | 21:52 |
| jgriffith | we're all good | 21:52 |
| jgriffith | I added some notes | 21:52 |
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| jgriffith | anish: mtanino I foresee good reason to move the conf options out of driver.py | 21:52 |
| e0ne | vilobhmm: just read meeting notes and your etherpad | 21:52 |
| mtanino | anish: Congrats! | 21:52 |
| anish | yay ! | 21:53 |
| jgriffith | mtanino: anish playing with the idea of making a seperate target section for conf entries | 21:53 |
| jgriffith | mtanino: anish but that means we don't support multiple targets on the same backend (which I think is reasonable) | 21:53 |
| jgriffith | mtanino: anish at least in the case of multi-backend/LVM | 21:54 |
| anish | sounds good | 21:54 |
| e0ne | vilobhmm: can't say that i understood all benefits but it definatly became more clear for me | 21:54 |
| jgriffith | one last question :) | 21:54 |
| jgriffith | any volunteers for the IET driver? Or am I going to be stuck with it :) | 21:55 |
| anish | jgriffith: would also avoid some confusion I think. like the chap_username/password for scst look generic but only work for scst | 21:55 |
| jgriffith | anish: yeah, we're way better than having these embedded in the driver IMO, but still have some work to do | 21:55 |
| mtanino | ohhh, IET.... | 21:55 |
| jgriffith | mtanino: :) | 21:55 |
| anish | jgriffith: possibly, does it have to be by k3 ? | 21:55 |
| jgriffith | anish: we'd have to check with Mike on that | 21:56 |
| jgriffith | but we have to have it before K goes out | 21:56 |
| mtanino | jgriffith: OK, I will take the IET work. | 21:56 |
| anish | mtanino: I can split it with you | 21:56 |
| jgriffith | mtanino: oh? Really? | 21:56 |
| jgriffith | I didn't think anybody would take me up on that | 21:56 |
| jgriffith | awesome, you guys rock! | 21:57 |
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| mtanino | jgriffith: I have RHEL environment, so I will try IET work on the RHEL6 | 21:57 |
| jgriffith | awesome, just let me know if you run short on time or need to hand it over to me | 21:58 |
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| mtanino | ok. I understand. I will share the progress as needed. | 21:59 |
| jgriffith | e0ne: that reminds me :) | 22:00 |
| jgriffith | e0ne: could I trouble you as another core review on https://review.openstack.org/#/c/148038/ | 22:00 |
| jgriffith | when you have a chance | 22:00 |
| jgriffith | I think it's your middle of the night right now | 22:00 |
| jgriffith | I'd like to get that in tomorrow if we can | 22:01 |
| jgriffith | then get the follow ups all done and move on | 22:01 |
| e0ne | jgriffith: i very hope that it could wait until tomorow morning:) | 22:01 |
| jgriffith | e0ne: absolutely! | 22:01 |
| jgriffith | e0ne: just wondered if you had the bandwidth to put it on your plate for tomorrow | 22:01 |
| e0ne | jgriffith: sure, i'll do it | 22:02 |
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| e0ne | just need some time to go deeper into it | 22:02 |
| jgriffith | awesome | 22:03 |
| e0ne | jgriffith: you're right, it's 12.03am for me | 22:03 |
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| jgriffith | e0ne: blah... go get some sleep | 22:05 |
| e0ne | jgriffith: my working day is shifted a bit... so i've got some time to work now | 22:05 |
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| openstackgerrit | Steven Kaufer proposed openstack/cinder-specs: Generic filter support for volume queries https://review.openstack.org/155074 | 22:06 |
| kaufer | jungleboyj: ^ | 22:06 |
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| jungleboyj | kaufer: Dang man, want took you so long? | 22:07 |
| jungleboyj | ;-) | 22:07 |
| kaufer | I know I know :) | 22:08 |
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| vilobhmm | e0ne: good to hear that …i dropped a msg to you and dulek on how we can get the merits of both approaches and propose a spec | 22:10 |
| e0ne | vilobhmm: oh, it is a good idea to combine all solution to get the best one | 22:11 |
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| vilobhmm | e0ne :thats what i feel after our todays cinder weekly meeting | 22:11 |
| vilobhmm | i have scheduled a meeting for early morning PST so that ways its convinient for you both | 22:12 |
| vilobhmm | on friday | 22:12 |
| e0ne | vilobhmm: i'm very sorry. my mail filters are crazy for a last few weeks and i mised some mails:( | 22:14 |
| e0ne | vilobhmm: i need to re-write my mail filters | 22:14 |
| vilobhmm | ohh..I have forwaded the same email to you again | 22:14 |
| vilobhmm | sure please do :) | 22:14 |
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| e0ne | vilobhmm: i found previous one. i'm sorry once more time | 22:15 |
| openstackgerrit | Joshua Harlow proposed openstack/cinder: Provided requirements are meant to be immutable https://review.openstack.org/155081 | 22:15 |
| vilobhmm | e0ne: thats ok…lets meet this friday | 22:15 |
| e0ne | vilobhmm: i've got one meetinf at 8.30am pst on Friday, but it shouldn't block me in irc chat | 22:17 |
| vilobhmm | will schedule something around 9:30 am pst on friday so that you are also done with your meeting and r free | 22:18 |
| jgriffith | e0ne: ahh... working the "night shift" | 22:20 |
| e0ne | jgriffith: :) | 22:20 |
| e0ne | jgriffith: i remember few month when i was working almost in utc timezone.... i was in office between 4pm-3am:) | 22:22 |
| e0ne | vilobhmm: 9am pst will be good for me, thanks | 22:23 |
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| vilobhmm | e0ne : sure…9am it is then…hopefully dulek will also be able to join | 22:24 |
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| openstackgerrit | xing-yang proposed openstack/cinder: Add support to incremental backups in cinder https://review.openstack.org/110068 | 23:07 |
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| openstackgerrit | xing-yang proposed openstack/cinder: Add support to incremental backups in cinder https://review.openstack.org/110068 | 23:20 |
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| thingee | jgriffith: ping | 23:26 |
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