Monday, 2015-02-09

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openstackgerritLi Min Liu proposed openstack/cinder: Make storwize debug log more readable  https://review.openstack.org/15235802:09
openstackgerritxing-yang proposed openstack/cinder: EMC VMAX driver Kilo update  https://review.openstack.org/14172902:12
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openstackgerritVincent Hou proposed openstack/cinder-specs: Enhance list operations with the additional keys and next link  https://review.openstack.org/14818102:18
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openstackgerritxing-yang proposed openstack/cinder: EMC VMAX driver Kilo update  https://review.openstack.org/14172903:07
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openstackgerritwanghao proposed openstack/cinder: Implement function of import/export snapshots  https://review.openstack.org/14459004:03
openstackgerritwuyuting proposed openstack/cinder: Wrong logging when volume type quota exceed  https://review.openstack.org/15378404:10
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openstackgerritSasikanth Eda proposed openstack/cinder: Volume Replication support - GPFS Synchronous mirroring  https://review.openstack.org/15391804:34
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Transifex  https://review.openstack.org/15240106:07
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openstackgerritQiangGuan proposed openstack/cinder: Remove useless storage_availability_zone import  https://review.openstack.org/15393206:23
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openstackgerritxing-yang proposed openstack/cinder-specs: Update spec on over subscription  https://review.openstack.org/15346906:47
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openstackgerritwuyuting proposed openstack/cinder: Wrong logging when volume type quota exceed  https://review.openstack.org/15378408:03
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boichevhello all, I have a 2 node CEPH cluster a schema: http://postimg.org/image/prhrjiy27/ and my question is if I install cinder-volume on the second ceph node and I target the same ceph cluster will there be a problem or it will be just HA ? will the second cinder-volume start serving the requests if I stop the first one ?08:30
avishayboichev: do you want active/active or active/passive?08:31
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boichevavishay active/active will be better i think08:33
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turicastoHi to everyone!08:42
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turicastoI'm having a problem with the volume created by cinder! When i create a vm and I access to it I'm not able to use the simulated harddrive...I see the harddrive, but it seems full...08:46
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avishayboichev: it should work, just you will need to set the 'host' in the cinder.conf of both to be the same value09:05
turicastoI'm having a problem, I'm able to boot an instance from volume but i can't attach any volume to a new instance!!  please help me09:05
avishayboichev: there are some minor races, but overall should be ok09:05
avishayturicasto: what happens when you attach?09:06
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turicastoavishay: nothing, the volume returns availble...and i have some errors in nova-compute "libvirtError: Operation not supported: disk bus 'ide' cannot be hotplugged."09:07
boichevavishay thanks09:08
turicastoavishay: nova-compute's errors: http://pastebin.ubuntu.com/10139429/09:09
avishayturicasto: which hypervisor?09:09
turicastokvm09:09
turicastoavishay: kvm09:09
avishayturicasto: the default bus for kvm is virtio - did you specifically specify ide?09:09
turicastoavishay: no I didn't09:10
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turicastoavishay: Is this a problem?09:18
raj_avishay: hey done with replication now09:19
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avishayturicasto: where is ide specified in your system?  that seems to be the problem09:21
avishayraj_: great09:21
raj_avishay: thanks09:22
raj_avishay: how to push my code for review09:23
turicastoavishay: i didn't specify nothing..I think i'm using the default bus09:23
openstackgerritAbhijeet Malawade proposed openstack/cinder-specs: Return request ID to caller  https://review.openstack.org/13216109:23
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turicastoavishay: ok in nova-compute.conf i found these line "libvirt_use_virtio_for_bridges=True"....maybe I'm using virtio! no?09:25
openstackgerritwuyuting proposed openstack/cinder: Wrong logging when volume type quota exceed  https://review.openstack.org/15378409:27
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openstackgerritwuyuting proposed openstack/cinder: Wrong logging when volume type quota exceed  https://review.openstack.org/15378409:30
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turicastoavishay: sorry the line was this one "compute_driver=libvirt.LibvirtDriver" !! :P09:30
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avishayturicasto: i don't understand - did you find the problem (where ide is set)?09:46
avishayRaj_: please see here: https://wiki.openstack.org/wiki/Gerrit_Workflow09:46
turicastoavishay: No I didn't...I'm looking in the configuration files, but i can't find it...09:49
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turicastoavishay: do you have any suggest?09:50
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avishayturicasto: what command are you using to attach?09:52
turicastoavishay: now I'm attaching the volume from horizon..not from command line09:53
avishayturicasto: i'm less familiar with horizon - are there logs showing the commands it executes?  can you see what it runs for attaching?09:54
turicastoavishay: I think not, but i can try to attach from command line to see if there is the same problem..09:56
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turicastoavishay: ok i try this: "nova attach-volume instance_id volume_id /dev/vdd" from command line but i have the same problem10:01
avishayturicasto: same message in the log?10:02
turicastoyes10:02
turicastoavishay: yes10:02
turicastoavishay: "Operation not supported: disk bus 'ide' cannot be hotplugged."10:03
Raj_ohk10:05
Raj_avishay:10:05
openstackgerritRonen Mesonzhnik proposed openstack/cinder: Provide backup service that uses ProtecTIER as the backend  https://review.openstack.org/15396910:06
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avishayturicasto: don't know.  try asking in #openstack-nova?10:07
avishayturicasto: nova decides on the bus type10:08
turicastoavishay: ok i will try, thank you!10:08
avishayturicasto: sure10:08
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openstackgerritAnton Arefiev proposed openstack/cinder: Import only modules: H302  https://review.openstack.org/14578010:24
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turicastoavishay: I resolve the problem, but I found another one.. When i access to my instance I'm not able to use the partition, when i try to format the partition i get some errors like "vda1 is apparently use by the sistem, will not make a filesystem here"10:35
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avishayturicasto: how did you solve it?10:36
avishayturicasto: is it an empty volume? which file system are you trying to create?10:36
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turicastoavishay: was my fault, because i created an image as iso, now when i create an image as QCOW2 it works10:37
Raj_avishay: is it possible to add new buttons or links in openstack GUI ..??10:37
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avishayturicasto: i thought the problem was adding an additional disk ... why does the format of the image affect anything?10:42
avishayRaj_: that is the horizon project10:42
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turicastoavishay: I don't know, but i was looking at the xml of my instance and there i found some settings ( like disk_bus etc ), so I found that some settings was given by the type of image stored (ISO, QCOW2, etc..)10:45
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avishayturicasto: strange, ok10:47
turicastoavishay: I know, but now i'm able to attach any volume to any instance created with an QCOW2 image10:48
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avishayturicasto: OK, and now?  which file system are you creating?  is it an empty volume?10:49
turicastoavishay: I'm trying to install a SO like ubuntu, but when the installer try to format partition give me errors10:51
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avishayturicasto: you booted the VM from the ubuntu iso and are trying to install it on a second volume?10:52
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turicastoavishay: yes, is that possible?10:54
avishayturicasto: don't see why not10:55
avishayturicasto: oh, you probably want to use /dev/vdb, not vda10:55
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turicastoavishay: the problem is that the ubuntu installer can't create a partition on it...10:56
Raj_avishay: hi10:58
Raj_avishay: is it possible to see the code of kilo or drivers going to be kilo release ..???10:59
Raj_avishay: i want to check the driver of symantec for reference or review of that current branch ...??10:59
Raj_Hi all11:00
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Raj_any one having link to latest code of cinder drivers which going to be in kilo release ..????11:01
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Raj_e0ne: Agile Training11:13
Raj_e0ne: any one having link to latest code of cinder drivers which going to be in kilo release ..????11:13
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avishayturicasto: vdb?  you wrote vda before11:31
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turicastoavishay: i resolve the problem ... switching the installation drive in the ubuntu installer.. vda was protected but in vdb have the permission to do that11:33
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avishayturicasto: ok great, that's what i expected11:40
turicastoavishay: yeah! thank you !11:41
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Fix comments style according to the Hacking Rules  https://review.openstack.org/14582111:43
openstackgerritShay Halsband proposed openstack/cinder: XtreamIO version 4.0 support  https://review.openstack.org/15297311:50
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avishayturicasto: you're welcome11:53
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openstackgerritAnton Arefiev proposed openstack/cinder: Import only modules: H302  https://review.openstack.org/14578011:59
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e0neavishay: hi12:15
avishaye0ne: hey what's up?12:16
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e0neavishay: according to https://review.openstack.org/144739. is new version ok for you? i'm thinking about adding --detailed param as we discussed in L, not sure that i coud be in time for Kilo with it:(12:20
openstackgerritIvan Kolodyazhny proposed openstack/cinder: Added snapshots list to volume views  https://review.openstack.org/14473912:20
avishaye0ne: so it's only for 'cinder show <id>'12:22
e0neavishay: yes12:22
e0neand it get's shapshots only in REST API12:23
e0neno performance impact in other places12:23
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avishaye0ne: yes, it's a compromise.  still not sure i like the idea of having it at all, but if others are OK with it i won't -2.12:24
e0neavishay: thanks! i'll post blueprint for L release for detailed views.12:25
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avishaye0ne: ok sure12:28
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openstackgerritBob proposed openstack/cinder: Huawei driver check before associating LUN to a LUN group  https://review.openstack.org/14814412:46
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Fix comments style according to the Hacking Rules  https://review.openstack.org/14582113:06
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openstackgerritBob proposed openstack/cinder: Huawei driver fix problems under multipath  https://review.openstack.org/15076713:14
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openstackgerritDirk Mueller proposed openstack/cinder: RBD: Make snapshot_delete more robust  https://review.openstack.org/15125713:16
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e0neDuncanT: hi Duncan13:17
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Fix comments style according to the Hacking Rules  https://review.openstack.org/14582113:20
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openstackgerritAnton Arefiev proposed openstack/cinder: Fix lvm manage existing volume  https://review.openstack.org/13907113:25
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openstackgerritAnton Arefiev proposed openstack/cinder: Fix lvm manage existing volume  https://review.openstack.org/13907113:31
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openstackgerritAnton Arefiev proposed openstack/cinder: Add tenant validation to quota  https://review.openstack.org/14364513:46
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openstackgerritMarc Koderer proposed openstack/cinder: Split volume driver into ABC classes  https://review.openstack.org/12745514:00
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openstackgerritShay Halsband proposed openstack/cinder: XtreamIO version 4.0 support  https://review.openstack.org/15297314:31
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e0ne9*(+1 votes) for https://review.openstack.org/#/c/132648/. who will be the 10th?:)15:08
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openstackgerritIvan Kolodyazhny proposed openstack/cinder: WIP. Persistant workflow implementation for Volume Manager  https://review.openstack.org/15407015:11
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hemnae0ne, do you have the url for your flask git repo ?16:10
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openstackgerritShay Halsband proposed openstack/cinder: XtreamIO version 4.0 support  https://review.openstack.org/15297316:12
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e0nehemna: https://github.com/e0ne/flask-keystoneauth16:18
e0neand sample how it works https://github.com/e0ne/flask-keystone-sample16:18
e0nehemna: could i ask you to take a look on https://review.openstack.org/#/c/144739/ once more time?16:19
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hemnasure16:20
e0nethanks16:20
avishayhemna: added a comment there - see what you think16:21
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openstackgerritKallebe Monteiro proposed openstack/python-cinderclient: Fix volume_transfers import in v2  https://review.openstack.org/15410516:23
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mtaninoavishay: I updated the bug https://bugs.launchpad.net/cinder/+bug/1403916. If you are interested in it.16:27
openstackLaunchpad bug 1403916 in Cinder "Undeletable temporary volume object is left in DB if volume migration fails" [High,New] - Assigned to Mitsuhiro Tanino (mitsuhiro-tanino)16:27
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e0nehemna, thingee: i tryed to get all info about persistnce workflow in an one place: https://etherpad.openstack.org/p/cinder-kilo-persistance-workflow-status16:34
hemnae0ne, great thanks16:35
hemnaI've been -1'd the taskflow persistence stuff16:35
e0nenp. i've got some hope to get it in K16:36
hemnabecause they want to use a local DB to store it.  :(16:36
e0nehemna: i'm agree with you. i put -1 fot dulek in spec for it16:36
hemnagreat thanks16:36
e0nei tried it with mysql - it works in some simple scenarios. need to create and more complex scenarios too16:37
dulekhemna: We've had some brainstorm today and we think that it should be possible to implement resuming by other service instances in scheduler and API16:38
hemnagreat16:39
dulekvolume service is different as scheduler decision should be taken into account16:39
hemnadulek, fwiw, the entire Cinder team is on the fence about going forward with taskflow at this point, because of it's complexity.16:39
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dulekso in case of failure - rescheduling should take place16:39
dulekyeah, I'm aware of that, i'm in sync with mid-cycle meetup notes16:40
hemnawithout having some real value add like centralized persistence, with failover support, then it gets harder for us to decide to buy in full force w/ it.16:40
hemnaas one of the main points that taskflow was supposed to buy us, was this entire idea.16:40
hemnacentralized state for safe shutdown and recovery of workflows.16:40
e0neabsolutely agree with it16:41
dulekwhat I wanted to do is to try iterative approach - dealing with problems one by one16:41
dulekand starting with minimal scope16:41
hemnasure16:41
hemnaon the surface that sounds reasonable16:41
hemnabut I think there are problems with upgrade if we don't to it centralized first.16:42
e0neimo, we need at leas on flow with persistance and resuming to go forward with it16:42
dulekbut you probably have the point - getting SQLite DB as a default can create problems when we try to move to normal DB16:42
hemnadulek, yup.  I think that is a nightmare personally16:42
hemnaif it means holding off until L, to do it right, then I'm ok with that.16:42
e0nedulek: local db doesn't help with failover16:43
hemnathis is something that I would really like to see happen.  lets just make sure it's right.16:43
e0neif node go offline with a local storage, we'll never get recovered it16:43
hemnayup16:43
rhe00_DuncanT: ping16:44
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e0nei didn't tested it, but i'm pretty sure that remote db for taskflow won't generate a lot of traffic for data-network16:44
dulekhemna: do you see any possibility we'll be able to target Kilo with this? My team should be able to donate resources to implement this approach before kilo-3-rush16:44
hemnaI'd need to see an updated spec/plan first16:45
hemnawe are already tight for K-316:45
hemnait needs to happen quick16:45
dulekhemna: I'm aware of that.16:45
hemnathingee already is -2'ing specs for K-3 due to the deadlines.16:46
e0neso, at least we need to get updated specs from dulek. am i right?16:46
hemnayes16:46
dulekOkay, that's first priority then16:47
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dulekI'll try to update main spec today, dependent ones won't change that much probably.16:49
e0nedulek: thanks! i'll review them after updates16:49
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hemnalets get agreement on the first spec, then update the deps.16:52
e0ne+1 from my side16:52
avishaymtanino: thank you for looking into it!16:53
mtaninoavishay: I will propose a patch, so if you have a chance please review it :) I will add you for a reviewer.16:54
avishaymtanino: awesome - much appreciated!16:55
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openstackgerritThang Pham proposed openstack/cinder: Cinder objects base  https://review.openstack.org/13187316:59
openstackgerritThang Pham proposed openstack/cinder: Snapshot object  https://review.openstack.org/13356617:00
openstackgerritAlex Meade proposed openstack/cinder: Limit ram and disk used by ceph backup tests  https://review.openstack.org/15412217:00
e0nehemna: going back to flask... when are you going to continue work on agent? i need to update my lib to make it useful for agent and add unit-tests17:02
openstackgerritharsh mishra proposed openstack/cinder: Fixing cinder-status value when the service is disabled  https://review.openstack.org/15412417:02
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hemnae0ne, I thought about looking at it this week17:03
hemnabut I'm trying to get os-brick to land17:03
hemnaand then after that do a cinder patch to remove brick17:03
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hemnaI want that to land for K17:03
hemnaso I can do the Nova work in L17:03
e0neok, i'll try to get it till tomorrow night17:03
e0neafter it we'll need to lanf it on stackforge17:04
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e0nes/lanf/land17:04
hemnaIf I can get a cinder brick patch in place, then I can start looking at the agent17:05
hemnabut honestly the Agent is L at the earliest17:05
e0nesure, i just don't want to block you17:05
hemnanah I'm good for now17:06
e0ne:)17:06
hemnathanks for the help!17:06
e0neyou're welcome! i just try to make cinder and all openstack better:)17:07
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kmartinrhe00_, did you update you OpenStack profile for the FC abstract submission? If not create an account here https://www.openstack.org/summit/vancouver-2015/call-for-speakers/17:18
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rhe00_kmartin: working on it now.17:21
kmartinrhe00_, cool, it just has to be sometime today.17:22
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder-specs: Volume multi attachments  https://review.openstack.org/15413517:26
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rhe00_kmartin: Should be there now.17:27
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thingeejdg, hemna, jungleboyj: do we have a proposal? :)17:37
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aarefievthingee:hi17:46
thingeeaarefiev: hey17:47
aarefievthingee:  could you clarify patch status17:48
aarefievthingee: https://review.openstack.org/#/c/143656/17:48
thingeeaarefiev: oh thanks for reminding me. Yes I'll update it17:49
thingeeand thanks for your work on this!17:49
aarefievthingee: thanks17:49
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hemnathingee, on?17:56
thingeethe real experts of cinder panel talk17:57
thingeethe one we were talking about on thursday17:57
hemnaoh, I thought jdg was going to propose it ?17:57
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thingeehemna: yea was just checking if it happened :)17:57
jdghemna: thingee yeah, I'll have it posted shortly17:58
jdghemna: thingee kmartin what's up with the FC one?17:58
thingeejdg: thank you for working on this17:58
jdgthingee: sure17:58
openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder-specs: Volume multi attachments  https://review.openstack.org/15413517:58
thingeesorry for being absent over the weekend everyone...was at pytennessee and then last night at a honky tonk :)17:59
thingeeI maybe a city boy, but I sure enjoy a good honky tonk17:59
kmartinjdg, it's submitted and you name is on it as well17:59
hemnathingee, fwiw, Thierry is waiting on your approval for https://review.openstack.org/#/c/153673/17:59
thingeehemna: it's on my list :)17:59
hemnaok thanks17:59
hemnapytennessee ?17:59
thingeehemna: https://www.pytennessee.org/18:00
thingeeI was a standby speaker18:00
hemnanice18:00
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* e0ne bb in 2hours18:05
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thingeehemna: people are fine with os-brick?18:06
thingeesomeone asked about cinder-brick18:06
hemnathere was one guy that didn't like the os- prefix18:06
hemnabut there are other libs that are doing that18:06
hemnait's your call.18:06
thingeeit's all you're call :)18:07
hemnaI'm fine with os-brick or cinder-brick18:07
thingeeI just gave my opinion18:07
hemnaif it's my call, then os-brick it is.18:07
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hemnait's a small PITA to change it to cinder-brick, but not that big of a deal.18:07
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smcginnisThe bad thing about Linux realability is if you've made a stupid config file mistake and don't reboot until ~5 months later it takes a long time to sort out. :)18:27
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openstackgerritAlex Meade proposed openstack/cinder: Limit ram and disk used by ceph backup tests  https://review.openstack.org/15412218:32
ameadethingee: what's the word on this? https://review.openstack.org/#/c/135062/18:35
ameadeI know you guys discussed it at the midcycle and it seems like it's still cool to do the vendor_<blank> for now?18:35
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openstackgerritPatrick East proposed openstack/cinder-specs: Add DB table for driver private data  https://review.openstack.org/15333318:40
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder-specs: Volume multi attachments  https://review.openstack.org/15413518:42
thingeeameade: I have a spec https://review.openstack.org/#/c/150511/ that needs an update from the discussion18:44
thingeeI've had to deal with k-2 last week and a couple of community issues, so last week was an absolute lost.18:44
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thingeeameade: I hope to have this spec updated this week for people to follow on these capabilities18:45
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openstackgerritxing-yang proposed openstack/cinder: Add support to differential backups in cinder  https://review.openstack.org/11006818:45
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ameadethingee: I shall have a look18:48
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ameadethingee: so would vendors still have there own very specific extra specs that just fall into different catagories? Are there any action its about extra specs themselves being shared, like everyone uses 'disk_type' or something?18:55
ameadethingee: it would be cool to have a volume type that just meant 'make sure this goes on SSD' but it was vendor agnostic18:58
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thingeeso this evolved a bit more at the midcycle meetup and this spec is out of date. The idea is you can use your own keys, but Cinder would have keys that represent features. dedup, replication, etc. If you have a capability that enables that feature, you tell the scheduler. I'll have to retalk to jdg about how it all works again though.18:58
thingeeameade: notes are here https://etherpad.openstack.org/p/cinder-meetup-winter-201519:00
thingeelooking myself right now19:00
ameadethingee: gotcha, cool19:00
thingeeameade: look for "Common volume type extra specs (to remove the need for vendor specific namespaces"19:01
thingeeand specifically the part that mentions "continued dicussion on thursday"19:02
thingeewhew thank goodness jungleboyj to good notes19:02
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gary-smiththingee: are you planning to incorporate some of that "common volume types extra specs" stuff into your cinder-spec?19:06
jungleboyjthingee: Is that the third or fourth time you have said that?19:06
ameadethis all makes sense to me, most of the time these keys for different backends have the same symantic meaning19:07
ameadewish i had had the time to be more involved in the discussion19:07
* jungleboyj is hoping that makes up for the other ways I have caused trouble.19:07
thingeeaarefiev: replied back. sorry that the patch needs to be rebased now19:08
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ameadethingee: if I get the code up for the eseries extra specs the way I have it described, can it go in kilo?19:09
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thingeescottda: are we doing the reset stuff still for k-3?19:11
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scottdathingee: yes, I've a spec I'll put out today, but I wanted to do some debugging...19:13
scottdathere already is a force_detach function in the code, but it doesn't seem to work when I patch the client to call it.19:14
scottdaSo I'm trying to figure out the best way to write this up in a spec.19:14
thingeegugl2: is this in a started phase at least? https://blueprints.launchpad.net/cinder/+spec/hplefthand-driver-supplies-filtering-weighing-functions19:14
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scottdaI will also abandon the existing Change reset-state to involve Volume Driver in favor of the plan discussed at the mid-cycle: use force_detach and force_attach instead19:16
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thingeejdg: do you have any thoughts on the capabilitiy interface doing qos as well?19:23
thingeehttps://etherpad.openstack.org/p/cinder-meetup-winter-201519:24
thingeejdg: would we still need qos specs? I'm mainly trying to figure this out for https://review.openstack.org/#/c/151029/19:24
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e0nevilobhmm: hi! i tried to get all info about persistance workflow in a one place: https://etherpad.openstack.org/p/cinder-kilo-persistance-workflow-status.19:44
e0nevilobhmm: could you add notes about micro-states, please?19:44
vilobhmme0ne : sure19:45
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e0nevilobhmm: thanks19:46
vilobhmmdid you had a look at comments from hemna on https://review.openstack.org/#/c/147879/2/specs/kilo/create-volume-persistence-taskflow-support.rst19:46
e0nethingee: hi. ^^ it could be interesting fot you too19:46
e0nevilobhmm: yes. and i'm agree with it.19:48
thingeeI think it needs to be talked about in the next Cinder meeting and sync up with folks who were and who were not part of the midcycle meetup. There is a thought of not continuing any further work with taskflow in Cinder.19:48
vilobhmme0ne: micro-states approach won’t have the concerns raised by hemna19:49
e0nevilobhmm: i just want to understand of benefits combining persistance+microstates19:49
vilobhmmsure let me document it19:49
thingeefor people interested, see the meeting notes https://etherpad.openstack.org/p/cinder-meetup-winter-201519:49
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vilobhmmharlowja : ^^19:50
e0nethingee: i've got your points. i just summurized all current info and try to get working poc with persistance. this is only one feature witch is implemented in taskflow and useful19:51
vilobhmmthingee : i dropped an email couple of days back to the people working on cinder state manegement to have a meet once a week or atleast start to discuss about the two approaches proposed 1) micro-states 2) persistence taskflow…if you find it ok can we meet sometime this week understand the benefits and then come to some conclusion19:52
e0nevilobhmm: we need to fix current bugs with taskflow too19:53
e0neat least, https://bugs.launchpad.net/cinder/+bug/140876319:53
openstackLaunchpad bug 1408763 in Cinder "allocated_capacity tracking is broken in manager" [Medium,In progress] - Assigned to Michal Dulko (michal-dulko-f)19:53
thingeeyes, I want that fixed before kilo is released19:53
thingeevilobhmm: sounds fine to me. Interested people would be DuncanT and jdg and myself19:54
vilobhmme0ne : I thought we were talking about cinder state management can have a look at the bug as well if dulek doesnt have enough cycles19:55
vilobhmmthingee : sure. jdg ?19:55
thingeevilobhmm: it's john griffith..he changed his nick19:55
thingeewe should at least have a meeting to clear any confusion and thoughts with taskflow.19:55
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vilobhmmthingee : makes sense…let me do that will invite you, jdg, DuncanT, harlowja, e0ne, dulek19:56
vilobhmmand also hemna19:56
vilobhmmthingee : let me know if you need help with https://bugs.launchpad.net/cinder/+bug/1408763 i can start working on it19:57
openstackLaunchpad bug 1408763 in Cinder "allocated_capacity tracking is broken in manager" [Medium,In progress] - Assigned to Michal Dulko (michal-dulko-f)19:57
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thingeeI do. jdg has given a lot of information on the bug with how he tried to solve it, but gave up.19:59
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hemnathingee, yah so, wrt that bug, there are 2 issues actually19:59
hemna1) is the bug itself19:59
hemna2) that we can't figure out how to fix it, due to the complexity of taskflow and the create flow itself.19:59
hemna#2 being the most painful of the 220:00
openstackgerritTomoki Sekiyama proposed openstack/cinder: Failover to alternative iSCSI portals on login failure  https://review.openstack.org/14087720:02
thingeevilobhmm: ^20:02
thingeealright I gotta head out and get some lunch and catch a plane. I'll be going through specs today.20:02
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openstackgerritTomoki Sekiyama proposed openstack/cinder: Failover to alternative iSCSI portals on login failure  https://review.openstack.org/14087720:02
thingeethanks for everyone who has been leaving feedback on specs to help20:03
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vilobhmmthingee , hemna : sure20:03
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harlowjae0ne ah, the bug that has nothing to do with taskflow, lol20:11
harlowjathat is bug 140876320:12
openstackbug 1408763 in Cinder "allocated_capacity tracking is broken in manager" [Medium,In progress] https://launchpad.net/bugs/1408763 - Assigned to Michal Dulko (michal-dulko-f)20:12
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jogowe have a cinder mystery in #openstack-qa20:14
jogolooking for a cinder core to help us debug it20:14
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jdgjogo: what's up?20:16
jdgjogo: going ot qa channel20:16
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openstackgerritxing-yang proposed openstack/cinder: Kilo Consistency Group API update  https://review.openstack.org/14456121:23
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bitbltdoes cinder-volume cache mounted node info somewhere? I unmounted everything, changed the host in my nfs shares, remounted...and all the old mounts came back too21:32
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dulekharlowja: ping21:43
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mtaninojdg: hi, about thi bug, https://bugs.launchpad.net/cinder/+bug/1420009 I'm tring to decuple LIO test cases from tgt. https://review.openstack.org/#/c/148038/21:47
openstackLaunchpad bug 1420009 in Cinder "Unit tests for LIO and ISER target drivers are horribly written" [Undecided,New]21:47
openstackgerritJohn Griffith proposed openstack/cinder: Don't fail target_delete if target doesn't exist  https://review.openstack.org/15424921:50
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jdgmtanino: oh... you're my hero!21:50
mtaninojdg: But the patch covers other many things... so little bit large..21:51
jdgmtanino: Might want to break it up into a series of commits21:51
jdgmtanino: there's some pretty goog logical seperation points in there IMO21:51
mtaninojdg: for example?21:52
openstackgerritxing-yang proposed openstack/cinder: Create Consistency Group from CG Snapshot API  https://review.openstack.org/14595221:52
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jdgmtanino: hold on, I'll be back in 5 minutes21:53
mtaninojdg: By the way, that patch does not cover decupling of ISER.21:53
mtaninojdg: sure.21:53
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anishmtanino: not sure if it helps, but I did the same here https://review.openstack.org/#/c/147758/15/cinder/tests/targets/test_cxt_driver.py22:04
anishthey're all based on tgt/lio test cases22:04
khussi'm running openstack with Cinder. How do I know how much space is available across all cinder volumes? I don't see it from horizon.  Is there any cinder commands to display the entire capacity?22:04
anishmtanino: the main issue I had was the tgt/lio test cases do not cleanup fake_volumes_dir22:05
mtaninoanish: I saw the review comment on it. It is better to initialize valiables in __init__ instead of using setup.22:06
openstackgerritnikeshmahalka proposed openstack/cinder: Add iSCSI SCST Target support to cinder  https://review.openstack.org/14577822:06
anishmtanino: so I saw a couple of issues with __init__, maybe we can discuss in pm instead of flooding the channel ?22:06
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mtaninoanish: sure.22:07
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khussi'm using the LVM backend. So may be I need to run some LVM commands to see the total cinder volume space available?22:12
SwansonAnyone ever seen 'WARNING cinder.db.sqlalchemy.api [-] Deadlock detected when running 'reservation_commit': Retrying...' scrolling up the c-api screen?22:12
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nikesh_vedams_jdg: morning22:18
harlowjadulek hey22:19
* harlowja just got back from foods22:19
dulekWanted to ask about https://bugs.launchpad.net/cinder/+bug/140876322:20
openstackLaunchpad bug 1408763 in Cinder "allocated_capacity tracking is broken in manager" [Medium,In progress] - Assigned to Michal Dulko (michal-dulko-f)22:20
harlowjauh ohes, lol22:21
dulekMy idea is explained in the comments.22:21
harlowjadulek i think that makes sense to me22:21
dulekBut - I'm unable to return any information from the revert method22:21
dulekBecause default_provides is also reverted from engine's store.22:22
harlowjareverted or removed (or something else?)22:23
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dulekremoved, it's not there if revert occured.22:23
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dulekWhat dkrause proposed was to use retires mechanism there and throw different exceptions for both cases.22:23
dulek(and reschedule as a retry)22:23
dulekThis seem a little hacky, but shuld work22:23
dulekMaybe you have a better idea?22:24
dulekThe main problem is - we need to tell if rescheduling occurred.22:24
harlowjaright22:24
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* harlowja thinking22:27
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bitblt2will cinder try to remount everything in provider_location even if it's not specified in nfs-shares? I have a scenario that sure seems like that is the case22:29
harlowjadulek so really what u want to know is if the OnFailureRescheduleTask triggered rescheduling right?22:32
dulekYeah, need simple boolean in manager.py22:33
harlowjaok, i got idea22:33
harlowjawill make something, one sec22:33
harlowjadulek http://paste.ubuntu.com/10149298/22:41
harlowjaso u could just emit a 'self.notifier.notify(EVENT_RESCHEDULED, details)'22:41
harlowjaand hook-in to that from the engine (outside the flow)22:41
harlowjalets u 'send' stuff out without having to share state across task boundaries22:41
harlowja*hopefully sorta makes sense22:42
harlowjathen just plugin to that 'notification' and do whatever u want (and the task will tell u if it does this)22:42
harlowja*all tasks have associatied 'notifier' properties http://docs.openstack.org/developer/taskflow/types.html#module-taskflow.types.notifier22:43
dulekThis should look better that retries with exceptions.22:43
harlowjai think so22:43
harlowjabecause basically u are communicating to 'something' that u rescheduled22:43
dulekOkay, thanks, I'll se if this is working correctly tomorrow.22:44
harlowjaand that something just happens to be the rest of cinder (but still just 'something')22:44
harlowjacool22:44
dulekOne concern - how is this looking when we're thinking in threads?22:44
dulekWill notification callback be executed on the thread that started the flow?22:44
harlowjaon thread task is running in22:45
harlowjait doesn't offload them to something else to do notification (At least currently)22:45
harlowjait gets ummm, interesting when those notifications are called in remote workers (And external processes)22:46
harlowja*those required more work, ha22:46
harlowjabut afaik they do work22:46
harlowjabecause in those cases u have to setup some kind of proxy -> local engine22:47
harlowjato make the notifications appear at the engine caller22:47
harlowjabut thats a different discussion :-P22:47
harlowjadulek so i would just ensure thread safe mutations happen in callbacks (to be safe)22:48
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dulekharlowja: Aww, got disconnected.22:49
harlowjawill pastebin22:50
dulekSo right now in Cinder flows are running in the same thread as the code starting them?22:50
harlowjaya, there is no usage of parallel stuff there22:50
harlowja*yet*22:50
harlowjasomeday maybe, not sure :-/22:51
dulekOkay, cool, this answeres my questions.22:51
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harlowjanp, glance is starting to explore this area22:51
harlowjawith https://github.com/openstack/glance/commit/5a1ddb40422:51
dulekOh, I'd noticed they've merged executor22:51
harlowjathey are providing the option of parallel (but i think they default to serial, aka as u described)22:51
harlowjaya22:52
dulekGot to go to get some sleep today, thanks!22:52
* harlowja will see where there usage goes22:52
harlowjanp22:52
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openstackgerritJohn Griffith proposed openstack/cinder: Don't fail target_delete if target doesn't exist  https://review.openstack.org/15424922:54
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jdgjungleboyj: you see this one: https://bugs.launchpad.net/cinder/+bug/141996423:17
openstackLaunchpad bug 1419964 in Cinder "juno using oslo.i18n support that is > oslo.i18n 1.0.0" [Undecided,New]23:17
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jungleboyjjdg: Yes.  Sent a note to Jim about it.  I think he is aware of it.  Going to follow up with him in the morning.23:19
jdgjungleboyj: ok, wonder if we should go back to the original proposal I had up for this?23:20
jdgjungleboyj: guess I'll leave that to Jim23:20
jdgjungleboyj: since he found some issues with that as well23:21
jdgyuk23:21
jungleboyjjdg: What was that proposal again?23:21
jdgjungleboyj: it's still there :)23:21
jdgjungleboyj: removed the calls, added the skip and did NOT add the fixture23:22
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jdgjungleboyj: remember I was being a PITA about this one23:22
jungleboyjjdg: Oy vey.23:22
jdg:)23:22
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jdgjungleboyj: you want to assign it to Jim in LP?23:23
jdgjungleboyj: or else I'll work on it and we'll argue again :)23:23
jungleboyjjdg: Ok, now I remember.23:24
jdgjungleboyj: and frankly Jim knows the code better than I do23:24
jungleboyjjdg: I will send it to Jim and work it with him tomorrow.23:24
jdgjungleboyj: thanks23:24
* jungleboyj doesn't need more arguing. ;-)23:24
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openstackgerritMichal Dulko proposed openstack/cinder-specs: Integrate persistence support of TaskFlow  https://review.openstack.org/14787923:42
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