Tuesday, 2017-09-26

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openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320600:17
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openstackgerritTommyLike proposed openstack/cinder master: Support count info in List&Detail APIs  https://review.openstack.org/50510100:50
openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320600:57
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openstackgerrityenai proposed openstack/cinder master: capacity filter: fix scheduler failed  https://review.openstack.org/50732501:00
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320601:13
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zengyingzhe_Hi all, I see the jenkins check of stable/pike and driverfixes/ocata branches keep failing, is there something wrong with them?01:16
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openstackgerritTommyLike proposed openstack/cinder master: [policy in code] Add support for attachment resource  https://review.openstack.org/50697601:41
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openstackgerritMerged openstack/cinder master: Check for outstanding attachments during reserve  https://review.openstack.org/50446702:03
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openstackgerritwanghao proposed openstack/cinder-specs master: Report backend state in service list  https://review.openstack.org/25292102:23
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320602:28
openstackgerritwanghao proposed openstack/cinder master: Support to query volume filter by changes since/before  https://review.openstack.org/35268802:32
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320602:48
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openstackgerritlihaijing proposed openstack/cinder master: Api-ref: fix v2/v3 hosts extension api doc  https://review.openstack.org/47779803:12
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openstackgerritTommyLike proposed openstack/cinder master: [policy in code] Add support for attachment resource  https://review.openstack.org/50697603:19
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320603:24
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openstackgerritMerged openstack/cinder master: Api-ref: fix v2/v3 hosts extension api doc  https://review.openstack.org/47779805:00
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openstackgerritSean McGinnis proposed openstack/cinder master: Compact Newton database migrations  https://review.openstack.org/50729805:03
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openstackgerritSean McGinnis proposed openstack/cinder master: Add indexes to SQLAlchemy models  https://review.openstack.org/50728805:29
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openstackgerritSean McGinnis proposed openstack/cinder master: Compact Newton database migrations  https://review.openstack.org/50729805:32
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openstackgerritVivek Soni proposed openstack/cinder master: 3PAR: Cinder volume revert to snapshot support  https://review.openstack.org/50607205:52
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openstackgerritVivek Soni proposed openstack/cinder master: 3PAR: Cinder volume revert to snapshot support  https://review.openstack.org/50607205:58
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openstackgerritTommyLike proposed openstack/cinder-specs master: Update backup's size when backup is created  https://review.openstack.org/50614106:00
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openstackgerritDongdong Pei proposed openstack/cinder master: Fix calculate_virtual_free_capacity  https://review.openstack.org/50735906:14
chhavi_Request to any of the core review to please review this: https://review.openstack.org/#/c/504482/06:15
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openstackgerritMerged openstack/cinder master: Updated from global requirements  https://review.openstack.org/50320606:45
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openstackgerritDinesh Bhor proposed openstack/cinder-specs master: Add json schema validation for V3 API's  https://review.openstack.org/50738607:16
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openstackgerritTommyLike proposed openstack/cinder-specs master: Inspection Mechanism For Capacity Limited Host  https://review.openstack.org/30886907:25
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openstackgerritTommyLike proposed openstack/cinder-specs master: Proposal to count resources to check quota in API  https://review.openstack.org/49656207:57
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kwathore@Team: Requesting you to review below cherry pick:08:44
kwathorehttps://review.openstack.org/#/c/507366/08:44
kwathorejenkin CI are passed..:)08:45
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openstackgerrityixuan zhang proposed openstack/cinder master: Storwize: add hyperswap volume support  https://review.openstack.org/49241409:27
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openstackgerritTommyLike proposed openstack/cinder master: Remove timestamp when updating service capabilities  https://review.openstack.org/50745309:37
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openstackgerritGorka Eguileor proposed openstack/cinder master: Fix backup compression unit tests  https://review.openstack.org/50750911:59
openstackgerritGorka Eguileor proposed openstack/cinder master: Run backup compression on native thread  https://review.openstack.org/50751011:59
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* zzzeek sends little anonymous letters to geguileo that say...."drop ... eventlet......drop...EVENTLET !!!"13:29
geguileorofl13:29
zzzeeklook at all the problems it causes13:29
zzzeekgreenthreads are great if you have like 800 sleepy clients .   10 threads, not so much13:30
geguileozzzeek: you suggest moving to mod_wsgi, but the service with the error is not a WSGI service13:31
zzzeekgeguileo: interesting, it's not an HTTP service ?13:31
geguileozzzeek: no it isn't13:31
zzzeekgeguileo: weird13:32
geguileozzzeek: the only cinder service doing API is cinder-api, the rest use AMQP13:32
geguileozzzeek: but the issue was the same, too many greenthreads doing CPU bound operations (compression)13:32
zzzeekgeguileo: the database calls are in an AMQP server process ?13:32
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geguileozzzeek: the service communicates using AMQP with the other services13:33
geguileoso it has a client13:33
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geguileousing oslo service and the whole RPC sheband13:34
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zzzeekgeguileo: OK, in that case the ideal woudl still be that the database-centric business logic would be under traditional threads but that's not any easier than what you are doing already13:35
zzzeekgeguileo: if it were http, going to mod_Wsgi means you get to throw away all that service code, but you're not, so feh13:35
geguileoyup, in Cinder we end up using subprocessed or native threads for non interruptable code13:35
geguileoand thanks for you analysis, I know it took you a while to figure this one out (judging by the tweet it was something like 8 hours)...13:36
zzzeekgeguileo: it took weeks b.c. the client kept sending me incomplete sosreports, then we did the haproxy logging wrong, etc13:37
zzzeekgeguileo: i went off and tried for a week to reproduce myself w/ no luck, etc13:37
geguileoI hear you on the incomplete sos reports...  :-(13:37
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openstackgerritMerged openstack/cinder master: nimble: fix for parent volume delete  https://review.openstack.org/50642117:52
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openstackgerritKaitlin Farr proposed openstack/cinder master: Remove deprecated keymgr code  https://review.openstack.org/46825218:20
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-openstackstatus- NOTICE: The infra team is continuing work to bring Zuul v3 online; expect service disruptions and please see https://docs.openstack.org/infra/manual/zuulv3.html for more information.18:23
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lbragstaddoes anyone here happen to know where the cinder spec for a capabilities API went?18:26
lbragstaddid that merge? or get abandon?18:26
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smcginnislbragstad: I seem to remember multiple different ones working towards "capabilities". Let me see what I can find?18:33
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smcginnislbragstad: This one? http://specs.openstack.org/openstack/cinder-specs/specs/newton/discovering-system-capabilities.html18:33
lbragstadyeah - that might be it18:34
lbragstadthanks smcginnis!18:34
smcginnislbragstad: Looking at the bp, doesn't look like that was actually fully implemented.18:35
lbragstadi remember it being a lot of work - but the long term vision made a lot of sense18:36
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smcginnisI agree.18:37
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openstackgerritRajini Karthik proposed openstack/cinder master: Dell PS: Fix over-subscription ratio stats  https://review.openstack.org/50764719:02
jungleboyjsmcginnis: lbragstad  Doesn't that go back to the MeetUp we had at IBM in Austin?19:03
jungleboyjI would love to see that path improved and more integration with Horizon to make it easier to actually create useful volume_types.19:04
lbragstadyeah - with all the policy work going on right now - i have an idea in mind to make that easier19:05
lbragstadi just need to write it down19:05
jungleboyjlbragstad:  Cool.19:05
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openstackgerritJohn Griffith proposed openstack/cinder master: Add shared_targets and backend_name to volumes  https://review.openstack.org/50764919:16
jgriffithsmcginnis: ildikov ^^19:16
jgriffithjungleboyj: ^^19:16
smcginnisjgriffith: ack19:16
jungleboyjjgriffith:  Looking.19:16
openstackgerritJohn Griffith proposed openstack/python-cinderclient master: Bump MAX version of client to 3.45  https://review.openstack.org/50765019:17
jungleboyjOMG!?!  Are we following process!?!19:17
jgriffithjungleboyj: :)19:17
jgriffithjungleboyj: just means that now I'll have two patches to deal with when everybody rips my proposal apart :)19:17
jgriffithsmcginnis: your mv change made life MUCH simpler BTW!!  I like it!!19:18
smcginnisjgriffith: Awesome!19:18
jungleboyjsmcginnis:  Yay!19:18
openstackgerritGorka Eguileor proposed openstack/os-brick master: Protect against race within os.path.realpath  https://review.openstack.org/50765319:22
openstackgerritGorka Eguileor proposed openstack/os-brick master: Fix _remove_scsi_symlinks_no_links test  https://review.openstack.org/50765419:22
jgriffithjungleboyj: if you think that warrants a spec let me know and I'll get one written up.19:24
jgriffithI wasn't sure after it was done if it needed it or not19:24
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jungleboyjThere is one Typo I found.  How topical.  :-)19:29
jungleboyjAs far as needing a Spec.19:29
smcginnisOnly one? I've seen more than that. :P19:30
jungleboyjHmmm, that is a good question.  So, we discussed this pretty well at the Summit and I feel good about that.  The only reason I hedge is because this has an impact on all of the drivers and having the spec would give something to point the driver developers at as far as this release and the change being made.19:30
jungleboyjjgriffith: ^^19:30
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jgriffithI have no problem writing one19:37
jgriffithI'll work something up so long as there's no glaring issue with this approach19:37
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smcginnisjgriffith: I passed! :D19:40
jgriffithsmcginnis: :)19:41
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jungleboyjjgriffith:  Yeah, if you don't mind doing that lets do it.19:44
jungleboyjI am going to add these patches to the priority review list.19:44
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jgriffithcool; I've got the update for the things you and smcginnis pointed out, will let it sit for a bit to see if there's other feedback19:45
jgriffithI was going to mark it WIP but I fear if I do that it won't get reviewed :(19:46
jgriffithslackers such as myself tend to skip items with a red mark19:46
jungleboyj:-)19:47
smcginnisNote to self, flavor creation does RAM in MB and Ubuntu doesn't like only having 8MB.19:50
jgriffithsmcginnis: :)19:50
jungleboyjOoops.19:50
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openstackgerritJohn Griffith proposed openstack/cinder-specs master: Add shared_targets column to volume table  https://review.openstack.org/50767020:23
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ericyoungjungleboyj, I addressed your comments on https://review.openstack.org/#/c/502473/ can you have another look when you have a chance20:31
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jgriffithpatrickeast: I responded on that stripping out host, yeah, valid case20:33
jgriffithpatrickeast: there's another little problem in there though I think20:33
* patrickeast reads the review comments20:34
jgriffithpatrickeast: if users don't select the same backend_name in their config it's still not going to work20:34
jgriffithpatrickeast: host-a@pure-1 host-b@pure-1  Then cool either way....20:35
patrickeastjgriffith: not sure i follow20:35
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jgriffithBut host-a@pure-1 and host-b@pure-2  no bueano20:35
patrickeastjgriffith:  whys that?20:35
jgriffithwhat I mean is even if they're using the same backend, there's nothing that forces them to name it the same20:35
patrickeastoh20:35
patrickeastwell yea20:35
jgriffitha lock on pure-q won't do any good on pure-220:35
jgriffithwith or without the host prefix20:36
patrickeastif they're doing the ghetto HA c-vol's all bets are off20:36
jgriffiths/pure-q/pure-1/20:36
jgriffith:)20:36
jgriffithpatrickeast: actually that still works :)20:36
patrickeastmaybe we just put that as a disclaimer20:36
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patrickeastoh yea, its in production use :*(20:36
jgriffithyeah, I'm cool with thinking on it more20:36
jgriffithI would like to avoid it only because of the admin requirement it will introduce20:37
patrickeastbut some people like to live dangerously... for the rest we can give some protection if they follow our new HA guidance (and assuming we can turn on HA for drivers)20:37
jgriffithIt's questionable if we need that now anyway, but if we keep the host there we'll def need it20:37
jgriffith:)20:37
jgriffithhonestly it may be good to just make it admin visisble only and keep it in place20:38
patrickeastyea, that might be enough20:38
jgriffithpatrickeast: but I'm still concerned that it might make things more difficult20:38
patrickeasti guess if we *really* want to give people a long rope we can add a generic driver config option that is like the string to lock on20:38
jgriffithpatrickeast: your use case inparticular is problematic20:38
patrickeastso the deployer who (in theory) knows best can just say its the same, and we maybe just default to hostname@backend otherwise20:39
patrickeastor something20:39
jgriffithpatrickeast: yeah, I was trying to avoid adding another db field but that might be the best answer20:39
jgriffithThat way no internal data leaks, and it's controllable20:39
patrickeastyea :(20:39
jgriffithdefault if not set is the standard backend-name thing like I have it20:39
patrickeastwhats another column on the volume table, eh?20:40
jgriffithelse use config20:40
patrickeastseems reasonable to me20:40
jgriffithactually, I might be able to do that without the column20:40
jgriffithjust extend the same dirty little hack I already have in there20:40
patrickeastwhat if we go back to the shared flag just being a string?20:40
patrickeastin our db at least20:40
patrickeastkind of a hack i guess20:40
jgriffithyeah... that might be worth reconsidering20:40
jgriffithummm... have you looked at the code :)20:41
patrickeasthaha20:41
jgriffithI mean ALL OF IT, not just mine inparticular.  All of OpenStack20:41
jgriffith:)20:41
jgriffithso an empty string means "NOT-SHARED"20:41
patrickeastsome parts are very well thought out and clearly coded20:41
patrickeastyea20:41
jgriffithanything else means "here's a handy lock string to use"20:42
patrickeastexactly20:42
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jgriffithYeah, that's what we talked about in Denver....20:42
patrickeasti guess the tricky part is defaulting to something smart20:42
patrickeastnot sure how to tackle that20:42
jgriffithbut I don't wat to rewrite that stupid spec :)20:42
jgriffithpatrickeast: default to backend-name20:42
jgriffiththat's easy20:42
patrickeastso then operators with SF backends need to set it to ""?20:42
patrickeastthats less than ideal no?20:43
jgriffithnah20:43
jgriffithI'd put it in capabilities still20:43
patrickeastohh i see, yea if the driver says its shared20:43
jgriffithdriver would do it, and ignore anything that they put in there anyway20:43
patrickeastgotcha20:43
jgriffithdang it20:43
jgriffithI think that might be better20:43
jgriffithAll I wanted was for this attach stuff to end :)20:44
jgriffithsmcginnis: jungleboyj thoughts on the above proposal?20:44
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smcginnisSheesh, step away for a snack and there's a wall of text. :)20:50
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smcginnisjgriffith: So the idea is to move back to string so we can give the consumer a consistent thing to lock on? Able to be overridden per backend by config setting? Did I parse all that right?20:50
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jgriffithsmcginnis: well... yeah, for the most part21:08
jgriffithalthough I'm still not fully convinced which approach is better21:08
jgriffithI'm kinda leaning towards a hybrid21:08
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jgriffithtake what I have posted now, and add a config option to specify the lock name21:09
jgriffithso change backend_name to something like "lockable_name"21:09
jgriffithdefaults to the backend-name like I do now and overrides if you have it in the config21:09
jgriffithpatrickeast: thoughts on that ^^21:10
jgriffithseems like the best of both worlds21:10
jgriffithand I don't have to rewrite all the things :)21:10
jgriffithI suppose it does mean I need to add a valid column to the DB though21:10
smcginnisjgriffith: I like that plan.21:11
smcginnisjgriffith: But what's the column needed for?21:11
jgriffithsmcginnis: well I don't think I can get the config variable in the API layer like I'm doing currently21:12
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jgriffithsmcginnis: since I'm just plucking the host field out and massaging it in v3/views/volumes.py21:12
smcginnisOh right, not for a backend I think.21:12
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jgriffithI won't be able to translate that into a backend config for that volume21:12
jgriffithyeah21:13
jgriffithwould have to have it stored somewhere21:13
jgriffithI could cheat and use provider info :)21:13
smcginnisjgriffith: I think you need to add another metadata field. :P21:13
jgriffithsmcginnis: why I oughta!!!!21:14
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jungleboyjI try to get the kids from school and get a wall of text.21:25
jungleboyjSo I think it's good to let the user configure the lock name and default to using the host if they don't specify it. I think trying to use the shared volume field for multiple things gets confusing.21:27
jungleboyjI will have to look at the code again when we get to a point where I'm by at my computer.21:28
jungleboyjjgriffith: ^^21:28
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jgriffithjungleboyj: thanks... I'm working on an update that adds another column and allows the config option21:30
jgriffithI'm leaning away from the single column for the shared purpose thing21:31
jgriffithbesides, who knows, maybe some of these things will be useful for *future* things21:31
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openstackgerritMerged openstack/cinder master: [DOC] Update index page for Install tutorial  https://review.openstack.org/50535721:35
jungleboyjjgriffith: sounds good. I'll be back at my computer in about an hour and will take a look if you have something up then.21:41
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jgriffithpatrickeast: jungleboyj So I'm workign on making these FK's that point to the service rather than try and deal with independent columns in every object21:59
jgriffithI'll get an update finished tonight and post it for folks to vomit over22:00
ildikovjgriffith: you should aim at merge it over :)22:06
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patrickeastjgriffith: sounds good to me22:18
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jungleboyjjgriffith:  Sounds like a plan.  Will watch for the patch.23:00
jungleboyjildikov:  I like that goal.  I don't feel like vomiting tonight.23:00
ildikovjungleboyj: +123:08
jungleboyjildikov:  :-)  How'd things go at OSD UK?23:08
ildikovildikov: it was a good event, got a few people with questions, talked to johnthetubaguy about the multi-attach spec23:09
ildikovjungleboyj: ^^23:09
ildikovjungleboyj: and I'm tired :)23:09
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ildikovjungleboyj: we will need to talk a bit about policies this Thursday on the meeting as we got confused on r-w vs r-o23:10
jungleboyjildikov :-)  Well, good that there was some interest.  I bet you are tired!23:10
ildikovjungleboyj: like whether it's per volume or per attachment23:10
jungleboyjildikov:  Ok, sounds good.23:10
jungleboyjildikov:  Oy, that is a good question ... My first thought was per volume, but really that is something that happens at attach time I think.23:11
ildikovjungleboyj: nova doesn't really specify it, I think it comes with the connector23:11
ildikovjungleboyj: and according to the API docs it's in metadata in the volume info23:11
ildikovjungleboyj: the new attach API has it in the attachment record though23:12
ildikovjgriffith: how much are you knowledgable on r-w and r-o settings?23:12
jungleboyjildikov:  So, if it is in the volume, then all places where the volume is attached it would need to be R/O or R/W .23:12
jungleboyjildikov:  We wouldn't want that behavior.  For multi-attach we are likely to want R/W on one attachment and R/O on one or more attachments.23:13
ildikovjungleboyj: well, we said we would like to have policies23:14
ildikovjungleboyj: and if we say it's one R/W and the rest is R/O that is also a setting that we cannot set through Nova today for instance and it would also require to set it per attachment23:15
jungleboyjildikov:  I don't honestly know how read only versis R/W works right now.23:15
ildikovjungleboyj: which is slightly unclear from the currently existing API's regarding how, if, it is doable23:16
ildikovjungleboyj: it should be though I would think23:16
jungleboyjildikov:  I was going to say that ideally we would only allow one R/W and multiple R/O.23:17
jungleboyjThough, I guess that might not be true for all backends.23:17
ildikovand if we allow that case, it's also a question that who's responsible for forcing it23:18
jungleboyjSo, I think figuring out a way where it can be handled by policy is best.  Set it by default to something safe and then admins can change it based on what works for their env.23:18
ildikovwe need to look into what's doable first23:19
ildikovhaving a go/no-go version first is honestly fine with me and I think with others as well23:19
ildikovI mean turn it full yon and off23:20
jungleboyjRight, I think getting multi-attach working with something safe is best.  We can work out the R/O and R/W details later.23:20
ildikovbut if we come up with mixtures like the above we need to have an idea on how it is doable and which side the responsibility lands on23:20
jungleboyjIt is your responsibility.  ;-)23:21
ildikovthe annoying people with it part is23:22
ildikovwhich I'm already doing :)23:22
ildikovso it's now on others to chime in ;)23:22
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jungleboyjildikov:  You never annoy us.  Thankful you keep this moving.23:23
jungleboyjildikov:  I am pretty swamped this week.  Not sure if I will get a chance to look into things before Thursday.  Will be thinking about it and hopefully we can get a game plan put together to go forward.23:25
ildikovjungleboyj: at least we should look into it and then we will see where we end up23:25
ildikovjungleboyj: do you know any policy expert in the team?23:25
jungleboyjildikov:  smcginnis and tommylikehu  Are the ones that have been looking to the policy code to move towards default policy in code comliance.23:26
jungleboyj*compliance.23:26
ildikovok23:27
jungleboyjI have an ok understanding of how it works.23:27
ildikovwill keep in touch with them on this23:27
ildikovthanks!23:27
jungleboyjildikov:  No problem.  Thank you.  When do you head back home?23:27
ildikovSaturday I think23:29
ildikovI have another conference this week in Amsterdam23:29
jungleboyjildikov:  Wow.  Well, at least you get a little time to adjust before changing timezones again.23:30
ildikovjungleboyj: well, I'm kind of skipping sleep tonight it seems, so who knows what I get to adjust to... :)23:31
jungleboyjildikov: I was going to ask if you should be sleeping now.  :-)23:31
ildikovjungleboyj: I should :)23:32
openstackgerritSean McGinnis proposed openstack/cinder master: Remove Hitachi volume drivers  https://review.openstack.org/50770923:45
openstackgerritSean McGinnis proposed openstack/cinder master: Remove Hitachi volume drivers  https://review.openstack.org/50770923:52
erlonsmcginnis: maan, that will boost your contribution stats :)23:54
smcginniserlon: Haha, I guess so! +6, -1900023:54
smcginniserlon: Too bad there aren't uncontribution stats.23:54
smcginnisdecontribution? Something like that. :D23:55
erlonsmcginnis: haha, yeah, it only counts changed lines23:55
smcginniserlon: I've gotta beat e0ne with amount of code removed. ;)23:55
erlonso, is mod(+6) + mod(-19000) = 1900623:56
smcginnisSweet! :D23:56
jungleboyjThere goes smcginnis trying to pad his stats!23:56
jungleboyjI refuse to review your patches.23:56
smcginnisYah, you know me.23:56
jungleboyjMinnesotans always have hidden agendas in their contributions.  ;-)23:57
smcginnisAbandom them all, resubmit as your own, +2A it through. Hahah23:57
smcginnis*Abandon23:57
jungleboyjHmmm, ok.23:58
jungleboyjOh wait, I already have all my suspicious Doc patches.  Just keeping the MN stereotype going.23:59
smcginnisLOL23:59

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