Tuesday, 2016-02-23

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openstackgerritWalter A. Boring IV (hemna) proposed openstack/os-brick: Fix setting the multipath_id  https://review.openstack.org/28240500:03
openstackgerritAlex O'Rourke proposed openstack/cinder: WIP - 3PAR: Update replication to v2.1  https://review.openstack.org/27930700:04
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jgriffithaorourke: seems like you're missing one of the udpdates maybe?00:17
jgriffithaorourke: or I broke it again along the way :)00:17
jgriffithaorourke: do you have the latest and greatest change set?00:17
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aorourkejgriffith, yes I just pulled down the newest. and i see in manager.py and rpcapi.py that RPC_API_VERSION = '1.39'00:30
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openstackgerritTom Barron proposed openstack/cinder: Fix sluggish huawei unit ISCSIDriver unit tests  https://review.openstack.org/28286100:37
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jgriffithaorourke: so you should be good to go then.  Did you "ctrl-a : quit" then "rejoin"?00:46
jgriffithaorourke: or you can get fancy and just set "offline=true" and "unstack; ./stack.sh"00:47
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aorourkejgriffith, just tried quiting and then rejoining stack. no go on that. hmm00:50
jgriffithaorourke: ok, let me fire it back up locally00:50
aorourkejgriffith, great. Also, do you mind if i upload a new patch for the cinderclient? I have listing the targets working and removing all the v2 stuff right now. Or are you working on it currently?00:52
jgriffithaorourke: I think I already have all that posted00:52
aorourkejgriffith, listing targets is not available in shell.py00:53
jgriffithaorourke: indeed... I"ll add it00:54
aorourkejgriffith, ok great00:54
jgriffithaorourke: just get your driver working :)00:54
aorourkejgriffith, working on it :) just running into version error and the same issue patrickeast brought up about during a failover "AttributeError: 'function' object has no attribute 'is_admin'"00:56
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jgriffithaorourke: umm... hmm; I fixed both of those I was certain00:59
jgriffithaorourke: in fact I know I fixed the context issue patrickeast mentioned last week00:59
jgriffithaorourke: alright, I'll get it sorted tonight01:00
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jgriffithaorourke: http://paste.openstack.org/show/487821/01:06
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jgriffithaorourke: looking at failover again now01:06
jgriffithaorourke: failover_host is at 1.39 as well01:07
aorourkejgriffith, and that works fine for you?01:07
jgriffithaorourke: can you shoot me more detail on what you are doing/seeing?01:07
aorourkejgriffith, yeah one sec01:08
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aorourkejgriffith, http://paste.openstack.org/show/487822/ hmm so it seems to be changing the db fields, but the API log shows it is failing01:13
jgriffithaorourke: it really looks like you don't have the latest01:14
jgriffithaorourke: I just verified the context issue as well01:14
aorourkejgriffith, when i do a failover the API fails as well and i get stuck in "failing_over" state01:14
aorourkejgriffith, it really does seem like that, but I have verified multiple times01:15
jgriffithaorourke: yeah.. because the rpc failure you have01:15
aorourkeyep01:15
jgriffithaorourke: ok, put your change set up in github/gerrit and I'll check it out after dinner01:15
jgriffithaorourke: make sure you post the exact change set you're currently working with though... so I don't chase my tail :)01:16
openstackgerritAlex O'Rourke proposed openstack/cinder: WIP - 3PAR: Update replication to v2.1  https://review.openstack.org/27930701:16
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aorourkejgriffith, ^ that is the exact branch i am working on. It shows it is based off of your latest patch set, #2601:17
aorourkejgriffith, just restarted c-col, c-sch, and c-api01:17
jgriffithaorourke: and c-vol?01:18
aorourkec-vol, yes, not c-col01:18
jgriffith:)01:18
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jgriffithaorourke: well, indeed you're all up to date on that patch set01:21
jgriffithaorourke: can you try setting offline=true, then unstack/stack01:22
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openstackgerritliuke proposed openstack/cinder: Huawei: Creating hypermetro failed in the remote pool  https://review.openstack.org/28263301:25
aorourkejgriffith, I can try doing that first thing in the morning. Won't have enough time to do it right now01:25
jgriffithaorourke: ok, maybe i"ll try it in a devstack myself tonight01:26
jgriffithaorourke: not sure I'll be able to get 3par driver to load without bombing out, but worth a try I suppose01:26
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jgriffithaorourke: I'm not sure how you're getting the DB entries and such if you don't restack01:28
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jgriffithaorourke: I'm assuming you did a restack with the change set in place at least at some point01:29
aorourkejgriffith, I usually do a "cinder-manage db sync" to update the db01:29
jgriffithaorourke: haha... nice!01:29
jgriffithaorourke: assuming that works on objects :)01:29
jgriffithI haven't tried that in years01:29
aorourkejgriffith, hmm well it is probably best to just stack/unstack. i will have to try that out01:30
jgriffithaorourke: well it will at least eliminate that datapoint01:31
aorourkejgriffith, exactly01:31
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aorourkejgriffith, just  heads up, trying to restack right now. If I have any issues to track down I will pick it up tomorrow morning01:40
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openstackgerritliuke proposed openstack/cinder: Huawei: Create snapshot have a log error  https://review.openstack.org/28062201:46
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openstackgerritsmile-luobin proposed openstack/cinder-specs: Specify availability_zone and volume_type for backup restore API  https://review.openstack.org/27387001:51
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openstackgerrithuanan proposed openstack/cinder: Huawei: Support huawei consistency group  https://review.openstack.org/26093003:13
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emeHi my devstack setup fails with "logical volume can't be removed, in use by other device"04:51
emeCould anyone help?04:51
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eme"Logical volume stack-volumes-lvmdriver-1/volume-99e03ad6-4c78-42c5-b4c2-687dafe66b34 is used by another device."04:53
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GuyHi everyone, I have some questions related to backup. For the volume driver and backup driver I have Ceph, what is the backup flow?05:26
GuyThank you05:27
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lixiaoy1_Guy:  backup-create flow: if the volume is available, map the volume to backup host, and start to do backup. If volume is in in-use state, create a  clone volume, map the volume to backup host, and then do backup. Is it what you want?06:01
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Guylixiaoy1_: thank you for your answer. It is almost what I want. But I would like to know what is the general flow from Ceph to Ceph, Ceph to LVM?06:07
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lixiaoy1_there is optimization from ceph to ceph. https://github.com/openstack/cinder/blob/master/cinder/backup/drivers/ceph.py#L85906:09
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GuyOk what about ceph to LVM for example?06:12
lixiaoy1_Guy:  https://github.com/openstack/cinder/blob/master/cinder/backup/drivers/ceph.py#L299 lvm to ceph06:12
lixiaoy1_Guy: full copy06:12
Guylixiaoy1_: Thank you for your answer. Do you know what is the backup-restore flow?06:16
lixiaoy1_Guy: attach volume to c-bak service host,and then do backup restore. about restore with ceph, https://github.com/openstack/cinder/blob/master/cinder/backup/drivers/ceph.py#L107806:18
lixiaoy1_Guy: Attempts a differential restore at first and reverts to full copy if diff fails.06:19
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Guylixiaoy1_: Ok about the restore flow. About the backup flow, you said if the volume is in use state, we create a clone volume. Is the cloned volume related to the source volume?06:27
openstackgerritMerged openstack/cinder: Port test_emc_vnx to Python 3  https://review.openstack.org/28024106:28
openstackgerritWilson Liu proposed openstack/cinder: Huawei: Mask chap password in log  https://review.openstack.org/27159506:31
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openstackgerritAvishay Traeger proposed openstack/cinder-specs: List volumes/snapshots for manage-existing  https://review.openstack.org/28282906:36
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/28340906:42
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openstackgerritWilson Liu proposed openstack/cinder: Huawei: Code cleanup  https://review.openstack.org/28293806:56
openstackgerritWilson Liu proposed openstack/cinder: Huawei: Manage volume fails due to lower array version  https://review.openstack.org/28105007:01
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openstackgerritAlon Marx proposed openstack/cinder: Remove a vol in error state from a CG  https://review.openstack.org/27046007:10
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openstackgerritliuke proposed openstack/cinder: Huawei: Create snapshot have a log error  https://review.openstack.org/28062207:14
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openstackgerritWilson Liu proposed openstack/cinder: Add LUN wwn check in Huawei driver  https://review.openstack.org/27159207:31
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openstackgerritWilson Liu proposed openstack/cinder: Add unit tests for Huawei drivers  https://review.openstack.org/28302907:38
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openstackgerritAvishay Traeger proposed openstack/cinder-specs: List volumes/snapshots for manage-existing  https://review.openstack.org/28282907:41
openstackgerritWilson Liu proposed openstack/cinder: Add description when rename LUN in Huawei driver  https://review.openstack.org/27160307:43
openstackgerritAvishay Traeger proposed openstack/cinder-specs: List volumes/snapshots for manage-existing  https://review.openstack.org/28282907:44
openstackgerritWilson Liu proposed openstack/cinder: Huawei: Consider bandwidth when selecting port  https://review.openstack.org/28299607:45
openstackgerritWilson Liu proposed openstack/cinder: Huawei: Don't fail when port group does not exist  https://review.openstack.org/27159907:46
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openstackgerritWilson Liu proposed openstack/cinder: Match the ip more accurately in Huawei driver  https://review.openstack.org/28048107:48
openstackgerritWilson Liu proposed openstack/cinder: Huawei: Check before delete host  https://review.openstack.org/28295007:50
openstackgerritWilson Liu proposed openstack/cinder: Match the ip more accurately in Huawei driver  https://review.openstack.org/28048107:53
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openstackgerritWilson Liu proposed openstack/cinder: Huawei: Check the real size before extend volume  https://review.openstack.org/28344008:35
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openstackgerritMatan Sabag proposed openstack/cinder: Changes in ScaleIO configurations options.  https://review.openstack.org/28154108:49
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openstackgerritAngus Lees proposed openstack/os-brick: Trivial rootwrap -> privsep replacement  https://review.openstack.org/27722408:51
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abhishekkHi All, can any one reviews patches -->  https://review.openstack.org/#/q/status:open+project:openstack/python-cinderclient+branch:master+topic:bp/return-request-id-to-caller09:10
abhishekkIt already has +2 and need another one to make it for mitaka09:10
abhishekkthank you09:11
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openstackgerritMichael Price proposed openstack/cinder: NetApp: Add Consistency Group support for E-Series  https://review.openstack.org/28238809:24
openstackgerritAngus Lees proposed openstack/os-brick: Trivial rootwrap -> privsep replacement  https://review.openstack.org/27722409:24
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openstackgerritRick Chen proposed openstack/cinder: Correct iscsi lun type  https://review.openstack.org/28347509:44
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openstackgerritAngus Lees proposed openstack/os-brick: Trivial rootwrap -> privsep replacement  https://review.openstack.org/27722410:21
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openstackgerrithuanan proposed openstack/cinder: Huawei: Support huawei consistency group  https://review.openstack.org/26093011:04
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openstackgerritKazumasa Nomura proposed openstack/cinder: Refactor Hitachi Block Storage Driver (patch - 1/4)  https://review.openstack.org/28049711:29
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openstackgerritKazumasa Nomura proposed openstack/cinder: Refactor Hitachi Block Storage Driver (patch - 1/4)  https://review.openstack.org/28049711:40
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openstackgerritRick Chen proposed openstack/cinder: Correct iscsi lun type  https://review.openstack.org/28347512:27
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openstackgerritAlon Marx proposed openstack/cinder: Remove a vol in error state from a CG  https://review.openstack.org/27046012:41
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openstackgerritScott DAngelo proposed openstack/cinder: cinder-api-microversions code  https://review.openstack.org/22491013:44
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yuriy_n17DuncanT: Hi! Sorry for disturbing. Please review https://review.openstack.org/#/c/263744/ whenever you have free time. Thanks a lot for advance.13:48
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openstackgerritMerged openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/28340913:53
dulekscottda: Hi man, sorry again for breaking microversions patch with my comments!13:54
scottdahaha..that's ok. I've run genopts before and I think it did the exact same thing, so my bad for not remembering.13:54
scottdaThanks for reviewing13:55
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openstackgerritTom Barron proposed openstack/cinder: Fix invalid uuid warnings in object unit tests  https://review.openstack.org/28358814:01
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openstackgerritWilson Liu proposed openstack/cinder: Huawei: Check the real size before extend volume  https://review.openstack.org/28344014:09
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openstackgerritWilson Liu proposed openstack/cinder: Match the ip more accurately in Huawei driver  https://review.openstack.org/28048114:16
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openstackgerritRick Chen proposed openstack/cinder: Correct iscsi lun type  https://review.openstack.org/28347514:32
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openstackgerritWilson Liu proposed openstack/cinder: Huawei: Check the real size before extend volume  https://review.openstack.org/28344015:06
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openstackgerritWilson Liu proposed openstack/cinder: Huawei: Check the real size before extend volume  https://review.openstack.org/28344015:09
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openstackgerritKazumasa Nomura proposed openstack/cinder: Refactor Hitachi Block Storage Driver (patch - 1/4)  https://review.openstack.org/28049715:18
amoturismcginnis: Hi, could you take a look at this review. its pretty much complete and been waiting for a while. https://review.openstack.org/#/c/238635/15:21
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smcginnisamoturi: Sure, I'll take a look.15:31
amoturismcginnis: thank you :)15:32
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openstackgerritRick Chen proposed openstack/cinder: Correct iscsi lun type  https://review.openstack.org/28347515:44
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DuncanTamoturi: Where is the ZFS CI report on https://review.openstack.org/#/c/238635/?15:58
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openstackgerritTom Swanson proposed openstack/cinder: Dell SC: Incorrect values in REST API Login call  https://review.openstack.org/28325715:59
amoturiDuncanT: it is under the name 'Oracle zfssa Ci' . this is the results page https://openstackci.oracle.com/zfssa_ci/refs-changes-35-238635-5-iscsi/16:00
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DuncanTamoturi: Ah ha, thanks, I missed it. I'll go hit +2/A16:01
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amoturiDuncanT: thank you!16:01
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kvidvansHi DuncanT, would you also mind taking a look at: https://review.openstack.org/#/c/263766/6 . Its a small change and the CI report is in there.16:10
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openstackgerritWilson Liu proposed openstack/cinder: Match the ip more accurately in Huawei driver  https://review.openstack.org/28048116:12
DuncanTkvidvans: I just had that one open as it happens16:12
kvidvansDuncanT great:)16:12
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DuncanTkvidvans: Any idea why the Oracle CI needed retries for both of these patches in order to pass? Has somebody looked at that?16:14
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kvidvansthe retries actually means that both iscsi and nfs ci reported...they come under the same label..if you toggle ci, it will be clear. we will need to look into fixing the reporting16:17
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kvidvans^^DuncanT16:17
DuncanTkvidvans: Ah, I see. They shouldn't do that :-) Glad it is understood at least16:18
smcginnisOh, interesting. Never thought of doing it that way. ;)16:19
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Swansonjgriffith, replication_driver_data is sticking around, right?16:29
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DuncanTCan somebody (not necessarily core) take a look at https://review.openstack.org/#/c/280558/1 and tell me if they understand the new _delete code, please? I'm tired and it isn't making sense16:40
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openstackgerritChuck Fouts proposed openstack/cinder: Support for iSCSI CHAP Uni-directional Auth  https://review.openstack.org/25192516:48
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sheelameade: hey17:00
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ildikovscottda: hi17:36
ildikovscottda: do I remember correctly that you're driving the microversion support for Cinder?17:36
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sheelildikov: yes, scottda  is same guy planning to have tatoo for micro versioning :)17:39
sheelildikov: refer https://review.openstack.org/22491017:39
ildikovsheel: haha, cool tnx for the pointer :)17:40
sheelildikov: welcome17:40
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scottdaildikov: Hi. Yes, I'm working on microverisons for Cinder17:48
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openstackgerritMike Rooney proposed openstack/cinder: Implement Consistency Groups for ONTAP Drivers  https://review.openstack.org/28319417:49
openstackgerritMichael Price proposed openstack/cinder: NetApp: Add Consistency Group support for E-Series  https://review.openstack.org/28238817:50
ildikovscottda: I just wanted to ask how it looks :)17:51
jgriffithSwanson: I'd depends on what you're looking at :)17:51
jgriffithSwanson: that peridoic update is gone17:52
ildikovscottda: I mean does it have a chance to make it in Mitaka or early Newton?17:52
scottdaCinder team seems to be in agreement that we want this in for Mitaka...17:52
scottdaildikov: For sure by early Newton, but I'm optimistic for Mitaka.17:52
adrianofr_Hi guys. Can any core please take a look in this patch? https://review.openstack.org/#/c/277495/17:53
ildikovscottda: ok, that sounds good, thanks for the info17:53
scottdaildikov: once I have some spare time, I'd like to work with you on the Nova changes that will be required to use Cinder microversions, especially for the changes you made that were reverted.17:53
adrianofr_just waiting another +2 to go on :)17:53
ildikovscottda: yeah I asked this regarding the mail thread about multiattach17:53
ildikovscottda: currently I think we will need to have a cross-project design session about this17:54
scottdaildikov: OK. I've been paying attention to that.17:54
Swansonjgriffith, I just need the db entry there.  I'm stuffing information in that field...17:54
ildikovscottda: to get everyone to the same page regarding our options and which one we pick17:54
scottdaildikov: I agree. YOu mean for next summit (Austin) right?17:54
ildikovscottda: yes, exactly17:54
openstackgerritMerged openstack/cinder: Zfssaiscsi driver should not use 'default' initiator group  https://review.openstack.org/23863517:55
scottdaildikov: We should also be figuring out if we'll need a NOva spec for changes to use Cinder microversion API. I reckon we do.17:55
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openstackgerritMerged openstack/cinder: Filtering type extra-spec support to ZFSSA drivers  https://review.openstack.org/26376617:55
ildikovscottda: we couldn't really get to a consensus in that mail thread either regarding what to do17:55
openstackgerritMerged openstack/cinder: Fix invalid uuid warnings in object unit tests  https://review.openstack.org/28358817:55
ildikovscottda: yeah, sure17:55
ildikovscottda: that shouldn't be a that big deal anyway, if we have a plan17:55
openstackgerritMerged openstack/cinder: 3PAR get host by WWN now handles mixed cases  https://review.openstack.org/28155217:56
ildikovscottda: I mean writing up a spec for the API additions17:56
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scottdaildikov: Yes. We'll for sure plan a cinder-nova session at the summit, like we did in Tokyo and our mid-cycles. If we need more time we can plan for that as well.17:56
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ildikovscottda: we should have a cross-project slot and then come together on Friday if needed18:02
ildikovscottda: last time we discussed only the encryption stuff, but by now we see further than that regarding issues18:02
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hemnaildikov, what API additions ?18:03
scottdahemna: AT the least we want ildikov 's patch that passed in both instance_id and host for volume connect.18:04
ildikovhemna: anything that we decide is needed18:04
hemnaildikov, ok18:04
ildikovhemna: have you checked johnthetubaguy's response on the ML?18:04
scottdahemna: We want something to update connector info for Nova migrate & evacuate , right?18:04
hemnaildikov, I have to write up a spec on the passing/saving of the connector18:04
hemnaand a new API to update it as well.18:04
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hemnascottda, yup.  that stuffs18:05
ildikovhemna: I hope we can have a session about this topic at the next Summit, preferably cross-project18:05
johnthetubaguyI was going to ask, I attempted to have a summary of where we are at18:06
johnthetubaguydoes that match with what you were all thinking?18:06
scottdaildikov: hemna Yes, I was just thinking about how to capture all the issues with Nova-Cinder in one place to keep track of it all. There seems to be enought things that we might want a spec that points to the other specs. Not sure on this....18:07
ildikovjohnthetubaguy: thanks for that attempt, personally I think you are right in that mail, but I'm not sure it's a common picture18:07
hemnajohnthetubaguy, I think the ML post was good18:07
johnthetubaguytalking with thingee its probably worth a cross project spec to capture this, and activate our CPLs in the usual way18:07
hemnaI was just trying to clarify a bit is all18:07
scottdajohnthetubaguy: I think it's pretty close. There may be a few things related that were not in your post, or they may be confined to Cinder.18:08
scottda+1 to cross project spec. I'm willing to work on this, just need a week or so to wrap up microversions stuff (I hope).18:08
johnthetubaguyI suspect there are details missing, would be good to add those in18:09
johnthetubaguymy thinking is, lets have complete concrete and written down to argue about, when we have that summit session18:09
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ildikovjohnthetubaguy: a cross-project spec sounds good to me18:09
scottda"activate our CPLs in the usual way" sounds like cool spy stuff! Please don't burst my bubble if that's not what you meant.18:09
thingeejust fyi, cross-project specs are great to capture the intention of projects you're wanting to get involved. To a degree technical details can be hashed there, but you might still want to have your own individual project spec referenced to handle deep service details. Those project specs should be referenced to the cross-project spec.18:09
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ildikovjohnthetubaguy: I think we pretty much tried to solve issues per project so far and it didn't really work out18:10
thingeeI do have plans to document this with the cross-project team guide.18:10
scottdaI'll work with whomever else is interested on the cross-project spec and Cinder and Nova specs.18:11
johnthetubaguythingee: :)18:11
ildikovthingee: cool, thanks for clarification, I think it would be pretty much what we needed here :)18:11
scottdaI'll bring this up at this week's Nova and Cinder meetings to call for interested persons to help18:11
ildikovthingee: also +1 for document the process :)18:12
johnthetubaguywe seem to have a stack of live-migrate bugs where we keep switching between breaking some set of drivers, so getting to the bottom of this is certainly a big deal for making live-migrate work with all cinder drivers18:12
ildikovscottda: cool, welcome to the fight club ;)18:12
thingeeildikov: definitely. bare with me as I kind of just dropped into the cross-project space and trying to make things better for everyone :)18:12
scottdaildikov: You're not supposed to talk about it...18:13
hemna:)18:13
ildikovscottda: whooops :)18:13
ildikovthingee: let me know if you need help, I have some experience regarding how things are not working, so I'm eager to make things better18:14
ildikovjohnthetubaguy: I guess we could draw a nice dependency graph maybe18:15
thingeeildikov: feel free to give me feedback however.18:15
thingeeildikov: one of the first things I did was establish a group for the cross-project specs http://docs.openstack.org/project-team-guide/cross-project.html18:15
thingeeildikov: I think we've been noticing the weekly meeting being far more dense in conversations now that we representatives attending18:16
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ildikovthingee: I will check it, tnx18:17
ildikovthingee: mainly what I experienced is that we usually try to solve cross-project features per project in many cases, which results in issues and delays18:18
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thingeeildikov: I agree. nested quotas is a good example of something started in cinder, but something not useful unless we have adoption project-wide.18:18
ildikovthingee: so if you have a good process documented than it is imprtant to advertise it18:19
thingeeI think to help there, projects need to be mindful of something that should be discussed in cross-project specs instead.18:19
ildikovthingee: agreed18:19
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thingeeildikov: yup I agree with the documented process.18:19
thingeeildikov: the documented process will be easy for projects to say "we agree with this spec, but others would benefit, consider moving this spec cross-project wide, here's a link for more information"18:20
thingeethat spec author might not be interested in that, and just interested in that one project supporting the feature/improvement. So they can bring it up in the cross-project meeting, find a volunteer to document it in the cross-project spec, and they can wait for approval there and focus on the single project they were originally helping.18:22
ildikovthingee: yes, and it can also be used for feature proposals that affects multiple project to have the end-to-end implementation18:22
ildikovthingee: I hope it can increase cooperation between projects18:22
thingeeildikov: definitely. An example with trove needing some hidden instances from nova for some feature. It would've been good to discuss things at that level before they spent time in their own code to support the feature.18:23
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ildikovthingee: yeah, I have a similar example too18:24
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thingeeI think someone offered to document the nested quotas thing in a cross-project spec. Not sure where that went.18:25
* thingee checks previous meeting logs18:25
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openstackgerritGábor Antal proposed openstack/cinder: Removed unreachable code  https://review.openstack.org/28374118:30
openstackgerritRyan McNair proposed openstack/cinder: Re-enable -1 child limits for nested quotas  https://review.openstack.org/28206818:31
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lprice1jgriffith: I have a snapshot-related patch that needs a core reviewer. Would you mind taking a look at it when you get a chance? https://review.openstack.org/#/c/27851518:42
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eharneydulek: rather than just ping-ponging on gerrit... do we have to fail if a snapshot is in 'deleted' at that point?  i don't really think so18:44
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dulekeharney: Me too, if it is in "deleting" then someone already did our job.18:44
jgriffithlprice1: I'll make you a deal, you untangle the train-wreck that is intiialize_connection for all the stupid shit added for the one-offs by various drivers, I'll review your patch18:45
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jgriffithlprice1: just kidding... yes, happy to look at it.18:45
eharneydulek: drivers already have to handle that state of things due to general races, and force-delete, etc, i think18:45
* jgriffith is VERY GRUMPY this morning18:45
eharneydulek: so if i just add that to expected, that may work?18:45
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jgriffithour code is a train-wreck18:45
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* dulek is taking a closer look at the code.18:46
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lprice1jgriffith: I'll admit it, there was a 2 second internal 'uhhhh' moment when I saw that message.18:46
jgriffithdulek: I should likely bight my tongue so as not offend anyone18:46
lprice1jgriffith: Lol, but thanks, I really appreciate it.18:46
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jgriffithlprice1: no worries18:47
dulekjgriffith: No, eharney's code. ;)18:47
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dulekeharney: volume_has_undeletable_snapshots_filter is fine there.18:47
jgriffithdulek: darn :)18:47
jgriffithlprice1: how are you handling stats reporting in that patch?18:48
dulekeharney: And snapshot will be probably already gone when the request gets to c-vol.18:48
jgriffithlprice1: in theory seems *ok*18:48
eharneydulek: oh, i think i was thinking about "deleting", rather than "deleted"18:48
dulekeharney: I believe you're right, simply adding it there and maybe a little protection in c-vol's manager should work.18:48
* jgriffith resists his urge to RANT HEAVILY about multi-k lined patches :(18:48
dulekeharney: If it's in deleted then we may ignore it even more. ;)18:49
eharneydulek: so we're talking about adding "deleting" to the expected for snapshot update?18:49
lprice1jgriffith: Yeah, I didn't really envision that one being so large when I started on it.18:50
dulekeharney: That's right. And I see you already has protection in volume.manager to not delete twice.18:50
eharneydulek: yes.  This is sounding good then18:51
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dulekeharney: Ah, protection is not that easy, as how do we know if it was our request which set the snap to "deleting"?18:52
eharneydulek: why does it matter if it was our request?18:53
eharneydulek: drivers have to handle overlapping snapshot delete operations already18:53
dulekeharney: Right, you won't fetch already deleted snaps in volume.manager.18:55
dulekeharney: And if you say that this is idempotent on the driver level, then we're fine.18:55
eharneydulek: it is, that's why drivers that have issues around that area have added locking to these operations18:56
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dulekeharney: Thanks. Sorry for going so much into details, but all the fights with race conditions in the API layer made me paranoid.18:57
eharneydulek: oh, it's a good paranoia, you know a lot of details about these issues that i don't :)18:58
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* dulek wonders if any paranoia is ever good… ;)18:58
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bswartzdulek: http://paranoia.demotivationalposters.org/image/demotivational-poster/1009/paranoia-paranoia-challenge-demotivational-poster-1284083903.jpg19:24
aorourkejgriffith, hey. So after a restack the 1.39 vs 1.37 version issue was resolved. But I am still seeing "AttributeError: 'function' object has no attribute 'is_admin'" when failing over. You said that was also resolved, though?19:27
openstackgerritKedar Vidvans proposed openstack/cinder: Volume manage/unmanage support to ZFSSA drivers  https://review.openstack.org/27146219:28
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merooneyxyang1 Would you mind looking at this implementation of consistency groups? https://review.openstack.org/#/c/283194/119:39
xyang1merooney: sure19:39
merooneyxyang1 I appreciate it!19:39
xyang1np19:39
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openstackgerritEric Harney proposed openstack/cinder: Delete volumes with snapshots  https://review.openstack.org/26498220:13
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openstackgerritTom Barron proposed openstack/cinder: Fix retype failure when original has no volume type  https://review.openstack.org/28257920:17
openstackgerritRyan McNair proposed openstack/cinder: Re-enable -1 child limits for nested quotas  https://review.openstack.org/28206820:20
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openstackgerritMerged openstack/os-brick: Updated from global requirements  https://review.openstack.org/28248921:00
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openstackgerritAlon Marx proposed openstack/cinder: Remove a vol in error state from a CG  https://review.openstack.org/27046021:21
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haplo37Hi21:39
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cfoutsDuncanT or another core: https://review.openstack.org/#/c/251925 Would appreciate +2 review plus workflow. Thanks!21:41
haplo37I have a controller003 down. My volume have the property os-vol-host-attr:host = controller003@rbd#RBD. I can't delete my volume but when i change this on BDD to controller002 for example i can delete it. I am on Kilo. Do you have another idea to force delete without modify the database ?21:42
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openstackgerritZohar Mamedov proposed openstack/cinder: Changed Nexenta default chunksize from 16k to 32k  https://review.openstack.org/28151021:50
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eharneyDelete volumes with snapshots is looking more complete (I think) and could use attention from more reviewers if anyone is interested:  https://review.openstack.org/#/c/264982/21:56
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openstackgerritMerged openstack/python-cinderclient: Provide consistency for Wrapper classes  https://review.openstack.org/28055822:03
openstackgerritMerged openstack/python-cinderclient: Add request_ids attribute to resource objects  https://review.openstack.org/25718722:04
openstackgerritMerged openstack/python-cinderclient: Fix sort problem in snapshot and backup list  https://review.openstack.org/27005822:04
openstackgerritMerged openstack/python-cinderclient: Add request_ids attribute to resource objects  https://review.openstack.org/25719922:04
mriedemhemna: i've officially blessed https://review.openstack.org/#/c/282405/ :)22:04
openstackgerritMerged openstack/python-cinderclient: Add request_ids attribute to resource objects  https://review.openstack.org/25719522:04
mriedempatrickeast: ^22:04
openstackgerritMerged openstack/python-cinderclient: Eliminate unnecessary character  https://review.openstack.org/28101022:04
mriedemshould probably get that into an os-brick 1.0.1 before lib freeze on friday22:04
openstackgerritZohar Mamedov proposed openstack/cinder: Changed Nexenta default chunksize from 16k to 32k  https://review.openstack.org/28151022:07
smcginnisYes, please.22:08
hemnamriedem,  :)  thanks man22:09
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hemnaall the FC CI's are passing on it22:09
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openstackgerritMerged openstack/cinder: Huawei: Fixed url range  https://review.openstack.org/28296122:56
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openstackgerritEric Harney proposed openstack/python-cinderclient: Don't print HTTP codes for non-HTTP errors  https://review.openstack.org/28385022:58
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jgriffithdulek: around?23:01
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jgriffithsmcginnis: patrickeast Swanson what do you guys think about adding replication-targets to the service table?23:03
openstackgerritEric Harney proposed openstack/python-cinderclient: Don't print HTTP codes for non-HTTP errors  https://review.openstack.org/28385023:03
jgriffithnahh.. never mind.  I think that would be more trouble than it's worth23:03
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openstackgerritEric Harney proposed openstack/python-cinderclient: Don't print HTTP codes for non-HTTP errors  https://review.openstack.org/28385023:04
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ntpttrHey everyone, does anyone here know much about how people are using the volume migration feature these days? i.e. Is it usually done when they have a backend driver that supports it, or is it common for people to actually use the generic host-based migration provided?23:07
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jgriffithno comment23:07
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ntpttrjgriffith: the lack of a comment makes me think you might have an opinion about this ;)23:08
jgriffithntpttr: haha.. you haven't been around enough :)  I have an opinion about *EVERYTHING* :)23:08
jgriffithntpttr: so in answer to your question.. sorry, but "no" I do not have any feedback or info on volume-migration23:09
jgriffithntpttr: from users23:09
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ntpttrjgriffith: Fair enough, we're just considering adding a similar host-based fallback to CoprHD and wondering if it's a worthwhile endeavor23:09
jgriffithntpttr: the basic feedback I've received on my side is not really23:10
jgriffithntpttr: BUT.. if there were a "magic" way to do it and have it actually be super efficient and cool then most people say they'd consider using it23:10
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jgriffithntpttr: the problem with most people I've talked to is doing things like dd'ing 250GiB or more from one backend to another just sort a sucks23:11
ntpttrjgriffith: I haven't heard too much about any magic efficient host based solution :)23:11
jgriffithntpttr: not that it's not a valid use case23:11
ntpttrtrue23:11
jgriffithntpttr: I have some ideas on doing some threads with x-copy etc... but way beyond the scope of Cinder right now23:11
jgriffithntpttr: and it introduces it's own set of challenges23:12
ntpttrjgriffith: I haven23:12
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ntpttrhaven't heard too much about x-copy*23:12
smcginnisBackend to same type backend can have some optimization, but otherwise I don't think there's much you can do.23:12
jgriffithsmcginnis: yeah, that's kind of the reality I think23:13
ntpttrthat's sort of what we were thinking, thought I'd ask here since it was something that's been implemented in Cinder23:13
jgriffithntpttr: http://www.t10.org/ftp/t10/document.99/99-143r1.pdf23:13
ntpttrjgriffith: thanks23:14
smcginnisntpttr: I would think even with inefficient copy migration, it at least gives a path for moving volumes around.23:14
smcginnisntpttr: Without the end user needing to create a new volume, attach it somewhere, manually copy all the data over, etc.23:14
jgriffithso to be fair, smcginnis that's true.. if somebody really "needs/wants" to do that, at least we make it one step easier for them23:15
ntpttrsmcginnis: Yeah, I was thinking the fall back is at least good to have as it makes the service feel more.. complete I guess. Like you aren't just out of luck if you don't have a backend that provides a driver method for migration, at least there's SOMEthing23:15
smcginnisYeah, so the question I guess is - does anybody actually move volumes around.23:15
smcginnisProbably helps for migrating off of old arrays to new ones at least.23:16
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jgriffithsmcginnis: FWIW, I get that ask A LOT23:16
ntpttrsmcginnis: well, this guy did in 2014 http://www.gossamer-threads.com/lists/openstack/dev/4187823:16
jgriffithsmcginnis: but when I tell them what Cinder has they usually say "oh... never mind"23:17
smcginnisHah23:17
smcginnisgotta run23:17
jgriffithsmcginnis: just because moving a petabyte via dd is not a great time :)23:17
ntpttrsmcginnis: thanks for the input, I appreciate it23:17
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ntpttrcool, well I can definitely bring that feedback to the coprhd guys and see what they think then. Thanks!23:19
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jgriffithaorourke: Swanson patrickeast list_replication_targets is dead23:28
Swansonjgriffith, we hardly even knew it.23:28
jgriffithSwanson: :)23:29
jgriffithaorourke: Swanson patrickeast so while digging around here a bit more...23:29
Swansonjgriffith, why is it gone?  Seemed a pretty benign call.23:29
jgriffithaorourke: Swanson patrickeast there's already this "get-capabilities" call for a backend23:29
jgriffithI'm going to just add replication_targets to that23:29
jgriffithbecause... well... it's a capability of the backend right?23:30
SwansonSince I'm just peeling the target device id out and handing it back I suppose that could move to common code.23:30
SwansonDeleted.23:31
jgriffithSwanson: that's my thought... why introduce yet another *thing*23:31
SwansonAnd mock test deleted.23:32
SwansonDone.  Ready for you.23:32
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jgriffithSwanson: dang it!  I didn't know we'd be racing :)23:32
SwansonIf you whacked failover_host, too, that would really help me out. No?  :)23:33
jgriffithSwanson: happy to do it23:33
SwansonGonna get interesting when people start to use this stuff.23:34
Swanson"I tested this.  How do I get back?"23:35
jgriffithSwanson: yeah... you don't23:35
jgriffithemergency use only23:35
jgriffithjust kidding23:35
jgriffithI'll have a follow up for that part of it23:35
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jgriffithbut it's not going to be trivial, and most of the work is going to be up to the drivers.23:36
jgriffithSwanson: you know you can failover again right?23:36
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Swansonjgriffith, not in this driver cut you can't.23:36
jgriffithSwanson: the part I don't help you with is the state of a volume while it was failed over the first time23:36
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jgriffithSwanson: not following what that means?23:37
Swansonjgriffith, too much heavy lifting to fail back this late in the cycle.23:37
jgriffithSwanson: from my perspecitve, I just reset active_backend_id back to the original23:37
jgriffithSwanson: sure, but this satisfies our use case still23:37
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Swansonjgriffith, We have a live volume feature that might make this all moot for me.  Just hook up the source and dest as live volumes and multipath to both backends.23:39
jgriffithSwanson: yeah, we have something similar... I still say this is the dumbest feature ever :)23:39
Swansonjgriffith, I like the base level.  The ability to initiate replications via volume types.  Beyond that it gets interesting to have a common feature set.23:41
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openstackgerritRyan McNair proposed openstack/cinder: Re-enable -1 child limits for nested quotas  https://review.openstack.org/28206823:55
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