Monday, 2015-11-23

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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO)  https://review.openstack.org/23738704:09
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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO)  https://review.openstack.org/23738704:18
openstackgerritThang Pham proposed openstack/cinder: Update migrate_volume API to use versionedobjects  https://review.openstack.org/22891604:19
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openstackgerritThang Pham proposed openstack/cinder: Update initialize_connection to use versionedobjects  https://review.openstack.org/23889404:48
openstackgerritThang Pham proposed openstack/cinder: Register RPC and object versions  https://review.openstack.org/20970104:50
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openstackgerritLisaLi proposed openstack/cinder: Update retype limitation in volume/api  https://review.openstack.org/24546005:53
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openstackgerritEdwin Wang proposed openstack/cinder: FlashSystem reports error in _find_host_exhaustive()  https://review.openstack.org/24754606:09
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/24854406:42
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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO)  https://review.openstack.org/23738709:04
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openstackgerritLisaLi proposed openstack/cinder-specs: Retype encrypted volumes  https://review.openstack.org/24859309:43
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openstackgerritIvan Kolodyazhny proposed openstack/cinder: Move imageutils from oslo-incubator to cinder namespace  https://review.openstack.org/24748009:51
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haypohi. my patch serie is almost approved (second patch already approved, first patch got a +2). anyone to approve the first patch? https://review.openstack.org/#/c/232249/ it's to port EMC VMAX to Python 310:11
haypoon the first patch, i got a -1 from Duncan Thomas, but i replied (that it's ok, it's not a bug) and he didn't change his vote or comment the change :-/10:12
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openstackgerritGorka Eguileor proposed openstack/cinder-specs: Support HA Active/Active configurations  https://review.openstack.org/23259911:07
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openstackgerritwanghao proposed openstack/cinder: Retyping volume got error under max vol limit  https://review.openstack.org/23332512:03
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DuncanThaypo: Give me five minutes and I'll look again12:38
DuncanThaypo: Sorry, I hadn't gotten around to coming back to that patch. Please feel free to poke me directly if anything similar happens in future12:41
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duleke0ne: Can you check out my answer to your comment on https://review.openstack.org/#/c/245976/ ? I'm not sure how to move further with the patch. If you still think your comment applies, I'll happily update the spec.12:43
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openstackgerritThang Pham proposed openstack/cinder: Update initialize_connection to use versionedobjects  https://review.openstack.org/23889412:47
openstackgerritThang Pham proposed openstack/cinder: Update migrate_volume API to use versionedobjects  https://review.openstack.org/22891612:47
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haypoDuncanT: no problem. i didn't try IRC, i will next time ;)12:51
openstackgerritSzymon Wróblewski proposed openstack/cinder: Update replication to use versionedobjects  https://review.openstack.org/23890612:51
haypoDuncanT: i don't understand the exact consequence of changing command order. but at the same time, the behaviour before my change is not really reliable, so...12:52
DuncanThaypo: Yup. It's only the test, so I suggest we get Xing to take a look later to clean it up if necessary12:54
haypoDuncanT: with my patch, the behaviour is now well defined. commands are always sorted by the LUN identifier12:55
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Tooz locks  https://review.openstack.org/18353712:57
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Add some missing fields to Volume object  https://review.openstack.org/24084713:07
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openstackgerritYuriy Nesenenko proposed openstack/cinder-specs: Add incremental volume snapshot support  https://review.openstack.org/24869313:20
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openstackgerritMichal Dulko proposed openstack/cinder: Add guidelines for release notes to devref  https://review.openstack.org/24870113:34
e0nedulek: hi. will take a look on it in 30min13:45
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duleke0ne: I have all the time in the world. :)13:47
e0ne:)13:47
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e0nedulek: I really don't want to get somthing that will work only if reviewer does everything right13:57
e0nedulek: if we'll miss one migration in a review process - rolling upgrade will be broken. it doesn't look good13:59
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duleke0ne: In the end we'll have a grenade job that will test that.14:00
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duleke0ne: Also Nova were able to go through Kilo even without a test that was blocking subtractive migrations.14:01
duleke0ne: So it's possible. They've added a test in Liberty (I'm porting it to Cinder right now).14:01
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dulekWe'll have test from the start which will be a great help, but still - careful reviews of migrations are needed.14:02
e0nedulek: my point is: if we could  miss something - we'll miss it sooner or later14:02
openstackgerritMerged openstack/cinder: Port EMC VNX CLI to Python 3  https://review.openstack.org/23224914:02
duleke0ne: That's what superdan also emphasized and that's why I'm going to work on Grenade job once we have agreement on all the parts of rolling upgrades story.14:03
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duleke0ne: I don't see an obvious possibility to automate test more than that.14:04
openstackgerritEric Harney proposed openstack/cinder: Don't build two tox envs for pep8(-constraints)  https://review.openstack.org/24780614:06
openstackgerritMerged openstack/cinder: Port EMC VMAX to Python 3  https://review.openstack.org/24305114:07
openstackgerritMerged openstack/cinder: Eager load columns in volume_get_active_by_window  https://review.openstack.org/24803514:07
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e0nedulek: thanks for the clarifications! I've changed my vote14:19
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openstackgerritIvan Kolodyazhny proposed openstack/cinder: Move imageutils from oslo-incubator to cinder namespace  https://review.openstack.org/24748014:33
openstackgerritOleksii Butenko proposed openstack/python-cinderclient: Add new tests for cinderclient.  https://review.openstack.org/24651314:34
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flip214hemna: JFI: doing "pip install ." within an os-brick git clone installs the rootwrap config to /usr/local/etc/os-brick/rootwrap.d/os-brick.filters, but it would be needed in /etc/nova/rootwrap.d/14:36
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openstackgerritOleksii Butenko proposed openstack/python-cinderclient: Add functional tests for python-cinderclient.  https://review.openstack.org/24651314:53
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openstackgerritzhangsong proposed openstack/cinder: Fix the bug of OSError when convert image  https://review.openstack.org/24315214:55
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openstackgerritOleksii Butenko proposed openstack/python-cinderclient: Add functional tests for python-cinderclient.  https://review.openstack.org/24651315:10
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openstackgerritMichal Dulko proposed openstack/cinder: Block subtractive operations in DB migrations  https://review.openstack.org/24876815:33
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openstackgerritEric Harney proposed openstack/python-cinderclient: Use oslo_utils encodeutils and strutils  https://review.openstack.org/24878315:46
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openstackgerritOleksii Butenko proposed openstack/python-cinderclient: Add functional tests for backup creation and deletion.  https://review.openstack.org/24651316:01
mc_nairdulek: was looking at moving QualityOfServiceSpecs to use VersionedObjects, but everything except 'QoSSpec_Name' and 'consumer' are just user defined key/value pairs.  Do you think it still makes sense to convert this to a VersionedObject (guess we'd still be getting the benefits for name and consumer)?16:04
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openstackgerritOleksii Butenko proposed openstack/python-cinderclient: Add functional tests for backup creation and deletion  https://review.openstack.org/24651316:10
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thangpmc_nair: not everything in the db model needs to be a versionedobject.  QualityOfServiceSpecs is part of VolumeTypes and acts like volume_metadata in volume.  I think QualityOfServiceSpecs should just be a DictOfStringsField field in VolumeType.16:12
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mc_nairthangp: gotcha - thanks for the info16:21
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thangpmc_nair: looking a little closer at QualityOfServiceSpecs, maybe it should be a versionedobject, since it looks to be associated and disassociated from any volumetype16:22
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thangpmc_nair: so it probably is a good idea to make it a vo.  we would need to add a field to volumetype object for it too.16:23
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thangpmc_nair: i think volume_type to qos_spec is a 1:n relationship16:29
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mc_nairthangp: cool, think that's what dulek had in mind - I was looking for a place to get started helping w/ the VersionedObjects stuff.  So just to be make sure I'm on the right path... since everything in QualityOfServiceSpecs other than id, name, and consumer are user-defined, the VersionedObjects will just have those fields defined and then one additional DictOfStringsField with the rest of the user-defined key/values?16:32
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thangpmc_nair: yeah, you also need volume_types field too since it's a backref16:33
mc_nairthangp: ok, nice.  Thanks again16:35
thangpmc_nair: there should be a ListOfObjectsField for volumetypes16:36
thangpmc_nair: np, sorry for the earlier confusion16:37
openstackgerritNicolas Trangez proposed openstack/cinder: Revert "Add Scality SRB driver"  https://review.openstack.org/24881016:41
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openstackgerritMichal Dulko proposed openstack/cinder: Block subtractive operations in DB migrations  https://review.openstack.org/24876816:53
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openstackgerritOleksii Butenko proposed openstack/python-cinderclient: Add functional tests: backup creation and deletion  https://review.openstack.org/24651317:13
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dulekmc_nair: I agree with thangp on that. I'm also not sure if we need IscsiTarget and Transfer?17:16
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openstackgerritGorka Eguileor proposed openstack/cinder-specs: Remove Cinder API races  https://review.openstack.org/20710117:20
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openstackgerritGorka Eguileor proposed openstack/cinder-specs: Remove Cinder API races  https://review.openstack.org/20710117:45
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dulekgeguileo: I've added your specs to https://etherpad.openstack.org/p/mitaka-cinder-spec-review-tracking18:14
geguileodulek: Thanks!!!18:15
dulekgeguileo: (I think smcginnis is looking there for specs reviews ;))18:15
openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: Brick add param documentation to connectors  https://review.openstack.org/24602318:15
dulekgeguileo: I've added some prioritetization there. Nothing very granular, but you may want to take a look if you agree.18:15
geguileodulek: I think tooz locks should go before data corruption18:16
geguileodulek: because we will need to know when we lose connection to the DLM18:16
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geguileofor the prevention18:17
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geguileoBut since they are both P1 I'll just move Tooz higher in the list :-)18:18
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dulekgeguileo: Oh, right, both are P1, but yeah.18:18
geguileodulek: If you don't mind I'll move tooz locks to P018:18
geguileoBecause I think it's at the level of API races18:18
geguileoIt's like... basic stuff we need  :-)18:19
dulekgeguileo: Oh, certainly I won't mind that you think my spec's important. :P18:19
geguileoXD XD18:19
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dulekgeguileo: What's going on with the SQLAlchemy issue? I wonder in which version of SQLAlchemy we can expect a fix.18:23
geguileodulek: I believe in next version18:24
dulekgeguileo: I see it as resolved, but it seems your code is only on a feature branch?18:24
geguileodulek: I thought it was the pre-release...18:24
dulekgeguileo: Oh, may be, I've checked it some time ago.18:24
geguileodulek: I'll ping zzzeek to see what can we expect18:25
zzzeekgeguileo: oh no, that....was it a PG thing?18:25
zzzeekhave totally fallen behind on all PRs18:25
zzzeekoh it was #20018:25
geguileozzzeek: The PR was resolved18:26
geguileozzzeek: Just wondering about when that will be released18:26
zzzeekgeguileo: what PR number.  #200 is still open over here18:26
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geguileozzzeek: Oh, yeah it's still open18:27
zzzeekgeguileo: yah i hvent had any PR time really.18:28
zzzeekgeguileo: also this is a little biggish for the 1.0 series but you need it released ?18:28
geguileozzzeek: Well, we need it to remove API races18:28
dulekgeguileo: I believe your commit is on pr200 branch, which is pull request 200. ;)18:28
geguileodulek: Yep, my mind is on Monday mode   XD18:29
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geguileozzzeek: Because we do something like status='migrating', previous_status=status18:29
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dulekzzzeek: So we have right now that constraint on SQLAlchemy version in OpenStack: SQLAlchemy>=0.9.9,<1.1.018:29
geguileozzzeek: And that fails on MariaDB (well, it fails on the reverse order)18:29
zzzeekgeguileo: right.  so, are you using literal text SQL for now?  or is that an option maybe?18:30
zzzeekjust one query in the wohle app right?18:30
dulekzzzeek: We're in process of implementing it right now.18:30
geguileozzzeek: No, a couple of them18:30
zzzeekgeguileo dulek "a couple" == 2 ?18:30
geguileozzzeek: And I have the whole conditional_update method that builds the query automatically...18:31
zzzeekits just that i was tartgeting this at 1.1 and 1.1 is not anytime soon18:31
zzzeekgeguileo: oh18:31
geguileozzzeek: This is the base conditional update patch: https://review.openstack.org/#/c/205834/18:31
geguileozzzeek: And this is the one that adds ordering: https://review.openstack.org/#/c/231936/18:32
geguileozzzeek: And considering that for now I have 5 patches removing races and 2 of them already need it18:32
geguileoAnd I'm not even 30% done with API races18:33
geguileoIt will probably increase quite a bit18:33
zzzeekgeguileo: OK im mostly worried about the changes we made to the Update API and if that's going to break someone doing something, in a certain X.Y series we try to have zero chance of breakage for a new .Z18:35
zzzeekgeguileo: I guess it is really just that one place18:35
zzzeekthat something changes18:35
geguileozzzeek: I believe we made the patch not affect anything not using lists/tuples18:35
openstackgerritMerged openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/24854418:35
openstackgerritMerged openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/24854418:35
geguileozzzeek: And that the reason was for performance and to remove the possibility of breaking somebody elses code with this18:36
zzzeekgeguileo: right.  i know we were careful.  its jsut for 1.0, I really hvae to check this a lot because this would be an exception to the general policy I've had in 1.0 of not adding any new features that change anything18:36
zzzeekgeguileo: 1.0 had a shit-ton of regressions from 0.9, all of whcih came from changes that I made as carefully as we are making this one :)18:37
geguileozzzeek: I understand  :''-(18:37
zzzeekgeguileo: its for The Project.  I'll get it in, I've been travelling for 3 weeks so I finally have time for PRs18:37
geguileozzzeek: It'd be great to see it get in18:38
geguileobecause otherwise in Cinder we would have to generate manually a massive SQL query18:38
geguileo(at least I think it would be of considerable length)18:39
zzzeekgeguileo: i see the gerrits so yes this isn't just one query i get that18:40
geguileozzzeek: All I can ask is that you consider it18:40
geguileozzzeek: But if it doesn't get in I'll look for a workaround in the meantime18:41
zzzeekgeguileo: there's no other way to do what you need here18:41
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geguileozzzeek: Me generating the SQL myself  :'-(18:41
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duleke0ne: I was looking at https://review.openstack.org/247480/ and I don't understand any bit of what is going on in the python jobs…18:51
e0nedulek: something went wrong with testscenarios and test generation18:52
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e0nedulek: I'm going to fix it tomorrow morning18:53
dulekI'll look carefully, something similar may happen for oslo.scheduler.18:53
e0nethanks :)18:54
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dulekrhagarty_: Hi, I've seen you've been interested in https://review.openstack.org/#/c/245624/19:01
dulekrhagarty_: Please take a look at my recent comment there. :)19:01
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uberjay_ps mike, the second season of fargo has been pretty amazing so far19:42
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openstackgerritJacob Gregor proposed openstack/cinder: Storwize: Split up __init__ into separate files  https://review.openstack.org/24032919:51
uberjay_(ha ha, wrong channel, but still true!)19:52
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - Changing PercentSynced to CopyState in isSynched  https://review.openstack.org/24699220:14
openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - Fix for randomly selecting a portgroup  https://review.openstack.org/24330420:17
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - Change naming convention for MV and SG for FAST  https://review.openstack.org/24700820:32
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: Brick add param documentation to connectors  https://review.openstack.org/24602321:15
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sgundurjgriffith: Hi John, per ur bug https://bugs.launchpad.net/cinder/+bug/150822321:47
openstackLaunchpad bug 1508223 in Cinder "driver initialized checks in manager should go away" [Low,Triaged] - Assigned to Shashi (shashirekha-j-gundur)21:47
sgundurI was wondering if u could clarify the below 2 points21:47
sgundur1. u mentioned in the bug description that - is_initialized call in "most" cases is kind of pointless anyway;21:47
sgundur pls let me know which are these cases ?21:47
sgundur2. I think that none of the utils.require_driver_initialized calls in manager.py are going through cinder/scheduler ;21:47
sgundurso how do we make sure all the calls to go through the scheduler ?21:47
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openstackgerritBardia Keyoumarsi proposed openstack/cinder: Volume driver for Coho Data storage solutions  https://review.openstack.org/24669022:14
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openstackgerritBardia Keyoumarsi proposed openstack/cinder: Volume driver for Coho Data storage solutions  https://review.openstack.org/24669022:26
jgriffithsgundur: couple of things (initialize_connection aside)22:27
jgriffithsgundur: it should seem a bit off that we have all of that code creeping into every command that we're doing something wrong22:27
jgriffithsgundur: my opinion is that  in most cases (including init connection) that the driver should respond with an error if the backend isn't accessible22:28
jgriffithsgundur: and that error should be handled/dealt with in whatever manner22:28
jgriffithsgundur: drivers should be written "better"22:28
jgriffithsgundur: and handle things better, rather than just blowing up and crashing the volume service22:28
jgriffithsgundur: IMHO that's what should be fixed, instead of sprinkling driver init checks everywhere22:29
jgriffithsgundur: the comment about the scheduler....22:29
jgriffithsgundur: if drivers can't be left to handle things properly and we have to put in more controls higher up (like what the checks do)22:30
jgriffithsgundur: then I'd argue that every call to a backend should then go through the scheduler and use it's view of the backend based on stats update22:30
jgriffithsgundur: I don't think that's necessary... I think that in most cases that calls are pointless and that's why I filed the bug22:31
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jgriffithsgundur: I update my comment; it would appear the idea isn't very popular though :(23:01
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jgriffithsgundur: perhaps I'm wrong... you might want to check with others before diving too deep in to it23:01
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openstackgerritJon Bernard proposed openstack/os-brick: Allow RBDClient to be used from a with-statement  https://review.openstack.org/24893623:02
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - Change naming convention for MV and SG for FAST  https://review.openstack.org/24700823:24
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openstackgerritHelen Walsh proposed openstack/cinder: EMC VMAX - Extend Volume for VMAX3  https://review.openstack.org/24894123:34
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jgriffithhemna: marked as opinion, not because I agree :)  But because it's certainly not a big deal or worth taking up any more time23:36
jgriffithhemna: anyway, thanks for the input on it23:37
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hemnajgriffith_away, np23:39
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openstackgerritRyan McNair proposed openstack/python-cinderclient: Fix v2 qos-key command  https://review.openstack.org/24894423:52
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