Tuesday, 2015-02-17

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openstackgerritJeegn Chen proposed openstack/cinder: Attach/detach batch processing in VNX driver  https://review.openstack.org/15435003:22
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openstackgerritJay Bryant proposed openstack/cinder: Sync middleware module from oslo-incubator  https://review.openstack.org/15645503:43
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openstackgerritwang peter proposed openstack/cinder: CG Modification Support in EMC VNX Cinder Driver  https://review.openstack.org/15478403:58
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openstackgerritJeegn Chen proposed openstack/cinder: Attach/detach batch processing in VNX driver  https://review.openstack.org/15435005:20
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openstackgerritJeegn Chen proposed openstack/cinder: Pool-aware scheduler support in EMC VNX Cinder driver  https://review.openstack.org/14740805:25
openstackgerritRushi Agrawal proposed openstack/cinder: Hitachi: Remove duplicate CHAP opts  https://review.openstack.org/14954205:26
openstackgerritRushi Agrawal proposed openstack/cinder: EQLX: Consolidate CHAP config options  https://review.openstack.org/14809105:26
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openstackgerritJeegn Chen proposed openstack/cinder: find_available_iscsi_targets() should return a list object.  https://review.openstack.org/15647005:48
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Transifex  https://review.openstack.org/15240106:07
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openstackgerritrajiv proposed openstack/python-cinderclient: cinderclient accepts arguments after metadata without -- seprator  https://review.openstack.org/15649908:18
openstackgerritrajiv proposed openstack/python-cinderclient: cinderclient accepts arguments after metadata without -- seprator  https://review.openstack.org/15649908:21
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anishsweet victory, merged !08:40
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openstackgerritAdrien Vergé proposed openstack/cinder: Pass region name to Nova client  https://review.openstack.org/15539410:23
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Display dates with tz info  https://review.openstack.org/15655211:40
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openstackgerritwang peter proposed openstack/cinder: CG Modification Support in EMC VNX Cinder Driver  https://review.openstack.org/15478412:12
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openstackgerritEdwin Wang proposed openstack/cinder: Add iSCSI protocol support for IBM FlashSystem  https://review.openstack.org/15620613:11
openstackgerritEdwin Wang proposed openstack/cinder: Add iSCSI protocol support for IBM FlashSystem  https://review.openstack.org/15620613:15
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openstackgerritJeegn Chen proposed openstack/cinder: find_available_iscsi_targets() should return a list object.  https://review.openstack.org/15647013:25
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jaypipeshemna: around?13:41
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openstackgerritEdwin Wang proposed openstack/cinder: Add iSCSI protocol support for IBM FlashSystem  https://review.openstack.org/15620613:58
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openstackgerritwang peter proposed openstack/cinder: CG Modification Support in EMC VNX Cinder Driver  https://review.openstack.org/15478414:02
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openstackgerritEdwin Wang proposed openstack/cinder: Add iSCSI protocol support for IBM FlashSystem  https://review.openstack.org/15620614:04
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openstackgerritSean McGinnis proposed openstack/cinder: Dell Storage Center: Add retries to API calls  https://review.openstack.org/15547914:16
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openstackgerritSteven Kaufer proposed openstack/cinder: GET volumes API sorting REST/volume/DB updates  https://review.openstack.org/14191514:31
openstackgerritSteven Kaufer proposed openstack/cinder: GET volumes API sorting enhancements common utilities  https://review.openstack.org/14191414:31
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sdagueis there a cinder core to fast approve this - https://review.openstack.org/#/c/156182/ - it's a now useless requirement listing that we want to get out of the g-r list, and cinder is the last remaining project with it15:15
DuncanTsdague: Looking now15:17
DuncanTsdague: Added +2 - I'll force it through if no other cores pop up in the next 20 minutes or so, but I really refer not to skip process like that, even for 'obviously correct' things15:18
sdagueunderstood, thanks15:18
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DuncanTHopefully somebody will be online shortly, it's about that time15:20
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openstackgerritMarc Koderer proposed openstack/cinder: Adapt volume manager to new driver structure  https://review.openstack.org/13899915:28
openstackgerritMarc Koderer proposed openstack/cinder: Port rbd driver to use new driver model  https://review.openstack.org/13866115:28
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e0neDuncanT: hi. could you take a look on https://review.openstack.org/#/c/131182/? please15:52
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e0nehemna: evening:)15:55
openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder-specs: Volume multi attachments  https://review.openstack.org/15413515:56
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DuncanTe0ne: Will do16:01
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hemnait's official16:14
guitarzancongrats hemna  :)16:14
hemnaonly took 1 year!16:14
hemnaguitarzan, thanks16:15
hemnanow the real work can begin16:15
guitarzanso here's a (hopefully interesting) question16:15
guitarzandoes anyone know how I can tell if a manager has any call in progress?16:16
guitarzanpreferrably without resorting to inspecting the eventlet hub16:16
guitarzanbecause that's the only real idea I have16:16
hemnanot currently afaik16:16
hemnaunless you track the notifications16:17
guitarzannotifications are an idea I hadn't really considered, that's one, thanks16:17
smcginnishemna: +1 on os-brick!16:17
guitarzanDuncanT: this might be something you're interested in, so maybe you have ideas16:18
eharneyhemna: yay16:18
DuncanTguitarzan: As far as I know, that is not tracked anywhere yet. It'd be a nice add, done cleanly16:19
zzzeekjbernard: hvent confirmed this yet but this is my theory http://lists.openstack.org/pipermail/openstack-dev/2015-February/057161.html16:19
guitarzanDuncanT: stopping a volume manager for a restart is pretty easy, but I don't have a good way to let it gracefully exit16:22
DuncanThemna: Good stuff16:22
guitarzanDuncanT: I'm currently just killing the rpc connection, which works well enough16:23
DuncanTguitarzan: I don't know an easy way of finding out what requests are running, I'm afraid. It'd be nice thing to have though16:23
guitarzanDuncanT: and I can just sigterm the process itself16:23
guitarzanbut it would be slick if it could just shut itself down when all things in progress finish16:23
DuncanTKilling the RPC connection and waiting for a bit is probably a reasonable first pass, but some things (e.g. glance uploads & downloads) take ages16:23
guitarzanDuncanT: yeah, first step is to just let it run forever until killed16:24
guitarzanI can start up another manager beside the first one after an upgrade for example16:24
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DuncanTguitarzan: Getting a list of what is in progress (and how long it has been in progress for) would be useful for debugging too16:24
guitarzanvery true16:24
openstackgerritMitsuhiro Tanino proposed openstack/cinder: Clear migration_status from a destination volume if migration fails  https://review.openstack.org/15473916:25
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mtaninohemna: Congratulations! os-brick!16:26
hemnathanks :)16:26
mtaninoFinally glance can use cinder as a backend by using this :)16:27
hemnaso there are some things on my short list to update in os-brick16:27
hemnaneed to talk with thingee about when we can do a first release of it as well.16:28
hemnawhich I need in order to remove brick/initiator from cinder16:28
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hemnaSo, Nova's multiattach code is out for Kilo16:36
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hemna3rd time I've tried to get multiattach in OpenStack16:37
hemnaevery time, it's Nova's side that fails to get in that blocks it.16:37
hemnaI'm pretty much over it at this point.16:37
smcginnishemna: Do we need to get some Cinder folks focused on it in Nova once L opens?16:38
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hemnaI did it in the Icehouse timeframe, but it didn't make it16:38
hemnaso I dunno16:38
hemnaif someone else wants to pick up the Nova side, which is a huge mess, I can do the rebase dance for the Cinder side.16:39
hemnaI'd be surprised if my mgrs let me work on it again at all.16:39
hemnathey kinda fought me on it for the K release.16:39
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hemnaI'll talk with thingee about possibly landing the Cinder code anyway.16:40
hemnadoubtful that's what we want though16:40
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smcginnishemna: Definitely an unfortunate situation.16:41
smcginnisAll around16:41
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xyanghemna  :(16:46
xyanghemna: I thought Jay Pipes and Tobias are working on it?16:46
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hemnathey were16:47
hemnaand got stuck16:47
hemnaat the end16:47
hemnait was because cinder's multi-attach hadn't landed yet.16:47
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hemnaand they didn't want to put checks in place to test for client versions.16:47
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xyanghemna: nova side always want cinder side to land first:(16:47
hemnaso honestly, I don't see how this will ever land.16:47
hemnaI'm pretty bummed out about it16:48
hemnamy 3rd time trying16:48
hemnacompletely dysfunctional16:48
xyanghemna: if cinder side can still work without nova changes, we can get cinder side in first?16:48
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hemnathe cinder side changes work16:50
hemnaand are backwards compatible16:50
hemnaor the check/tempest tests wouldn't work.16:50
hemnaso I'll see if thingee has any interest in this code landing in K16:50
hemnajust for cinder and cinderclient16:50
xyangit will be good to get cinder side in first16:51
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xyangthen nova side in L16:51
hemnaif not, my involvement in multi-attach might be done16:51
hemnasimply because of my mgrs not wanting me to work on it yet again16:51
hemnaI had to convince them to let me work on it for K16:51
xyangyou put in lots of effort16:52
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hemnayah :(16:59
hemnaoh well.  you win some, you don't.16:59
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openstackgerritJay Bryant proposed openstack/cinder: Sync policy module from oslo-incubator  https://review.openstack.org/15641217:15
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anteayaDuncanT: did the chap from intel who said he would look at the gerrit inline comment automation show up in this channel at all?17:22
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anteayaDuncanT: I haven't seen or heard from him since17:22
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zzzeekyeah this is a crap show17:33
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hemnaanteaya, is there any support in the check/gate for cross project dependent reviews ?17:40
* anteaya digs up the mailing list post17:40
anteayabit of a read17:41
hemnaanteaya, ok thanks17:41
anteayahave a read then come back with questions17:41
anteayayou can see it in action in the check queue: http://status.openstack.org/zuul/17:42
anteayathe grey dots are the parents which don't need to be tested this round17:42
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anteayathe green or red dot is the testing patch and its place in the stack of dependencies17:43
hemnaanteaya, so I'm not seeing any cross project checks ?17:45
hemnawhere nova deps on cinder17:45
hemnaor something like that17:45
anteayabecause there are currently none to be tested17:48
anteayabut we have seen them on the status page17:48
anteayawhere the dependency is there17:48
anteayado you have one you can try out?17:48
guitarzanhemna's is a cycle :)17:50
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anteayathen zuul shuts down17:54
anteayanot shuts down, stops trying to organize the patch series to test it17:54
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cebruns_anteaya: I'm the "intel chap" :)  I tracked down the checkpatch code owner that was DuncanT referred to.  It's a PERL script adopted from kernel.org.  Haven't dug too far into it from there.18:17
anteayacebruns_: ah there you are18:18
anteayawhat are you doing in about 40 minutes?18:18
anteayacare to attend the infra meeting?18:18
cebruns_Sure - can do!18:19
anteayathank you18:20
anteayacebruns_: do you have a url for the example DuncanT showed again?18:21
smcginniscebruns_: Do you happen to have a link to that PERL script. Just curious to take a peek.18:21
anteayamight be helpful to share that with the others18:21
smcginnisanteaya: ;)18:21
cebruns_http://lxr.free-electrons.com/source/scripts/checkpatch.pl and18:21
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smcginniscebruns_: Thanks!18:21
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smcginnisNice! That would be cool to have that in our reviews.18:23
cebruns_Here's a cinder review that fails style checks that would be useful to have inline commenting (as opposed to digging through log): https://review.openstack.org/#/c/151737/18:23
anteayacebruns_: can you add an item to the infra meeting agenda?18:24
anteayaand bring the links with you?18:24
cebruns_Haha - of course.18:24
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DuncanTanteaya: cebruns_: looks like you're sorted.18:25
anteayacebruns_: great thank you18:27
anteayaDuncanT: if you happen to be available as well it would be nice to have your voice at the meeting, since it was your suggestion18:27
anteayabut I know it is late for you18:27
DuncanTYeah, I've a lot on this evening, and I think cebruns has a good handle on it - it isn't a complex suggestion, just a nice idea I spotted and thought we should steal18:28
smcginnisDuncanT: If you're up late and bored, would you mind taking a look over this: https://review.openstack.org/#/c/155479/18:29
smcginnisAdding CI tests for this driver are blocked on getting this to pass reliably.18:30
smcginnisDuncanT: But I know it's late there so no worries if not.18:30
DuncanTsmcginnis: open in a tab, will take a look either tonight or in the morning18:30
e0nesmcginnis: just A+'ed it18:30
smcginnisDuncanT, e0ne Thanks!18:30
e0nesmcginnis: thanks for filing bug for it18:31
smcginnise0ne: You must have hit the button as I was typing. I swear I just looked at it. :)18:31
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e0nesmcginnis: maybe.... it was on my review list for tonight18:31
smcginnise0ne: Well much appreciated. Thanks for working late!18:32
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hemnaanteaya, so yah, multiattach is one openstack capability the requires changes in cinder => cinderclient => Nova.18:32
hemnahttps://review.openstack.org/#/c/85847/  https://review.openstack.org/#/c/85856/ https://review.openstack.org/#/c/153033/18:32
cebruns_anteaya: added to the agenda.18:33
hemnathe nova patch fails, because it has a logical dep on cinderclient, which has a dep on cinder.18:33
hemnaso is there a way to post those deps in the commit message that allows the check/jenkins to pull those in during tempest tests?18:34
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hemnaanteaya, I guess I should read the ML post you gave me :P18:35
anteayacebruns: thanks18:35
* anteaya tries to follow hemna18:35
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* DuncanT would prefer not to see multi-attach in cinder kilo, since it plain won't work without the nova changes, and he has spent far too much time explaining over and over that replication currently doesn't really work except in one case, no you can't set it up with LVM, no not even if you fiddle around a bit or keep asking over and over.18:35
anteayahemna: you read that I will check current dependcies on the patches you posted18:35
DuncanTI know that won't sit well with Walt though18:35
anteayaDuncanT: thanks for weighing in18:36
DuncanThemna: Are there any bits we can get landed that don't make it look like the feature is there but lay the ground work? DB changes etc? Without the API changes?18:36
hemnaDuncanT, it's ok.  I assumed as much prior to even posting the question.18:36
hemnaSo, the current cinder/cinderclient changes in my patches are infact backwards compatible18:37
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hemnathe only API change was an optional attachment_id being passed in a detach time.18:37
hemnait defaults to None18:37
hemnawhich assumes a single attachment.18:38
anteayaokay as far as the cross repo dependency question goes (no opinion on multi-attach) is that as far as I can see none of the patches have dependenices on anything else18:38
anteayaso a straightforward chain of using Depends-on <change-id> should allow zuul to get them tested together18:38
hemnaanteaya, so basically nova's patches would put Depends-On: <cinderclient review id>,   cinder client's patch would put Depends-On: <cinder's review id>18:38
hemnaand it should just work?18:39
anteayaso put Depends-on <change-id> in the commit messages18:39
hemnaok cool18:39
anteayait should just work18:39
anteayawhich doesn't stop duncan from swooping in with his -218:39
anteayabut gerrit hopefully should get them tested together18:39
anteayaand yes thanks for the tm18:40
anteayadon't know how to do that myself18:40
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* anteaya is in awe of hemna's irc prowess18:40
e0nejungleboyj: hi Jay. i be happy if you'll got few minutes to read my comment for https://review.openstack.org/156292 today18:41
jungleboyje0ne: Ok, will do.  Need to head to an appointment but will do that this afternoon.18:42
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e0nejungleboyj: thank you18:43
jungleboyje0ne: Welcome.18:43
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DuncanThemna: I'll take a look at the patches.18:56
hemnaok thanks18:56
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jgriffithWe'll bring Duncan and others up as well19:10
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e0nealready voted for it19:11
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smcginnisjgriffith: Thanks for taking care of that. Speading the word here to get some votes.19:16
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xyangjgriffith: thanks!19:17
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openstackgerritGloria Gu proposed openstack/cinder: Update volume type name for volume type API  https://review.openstack.org/14090619:42
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openstackgerritGloria Gu proposed openstack/cinder: HP 3par driver filter and evaluator function  https://review.openstack.org/15135319:56
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openstackgerritTom Swanson proposed openstack/cinder: Dell sc driver iscsi multipath enhancement  https://review.openstack.org/15674220:07
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openstackgerritOpenStack Proposal Bot proposed openstack/python-cinderclient: Updated from global requirements  https://review.openstack.org/15557920:13
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openstackgerritTom Swanson proposed openstack/cinder: Dell sc driver iscsi multipath enhancement  https://review.openstack.org/15674220:17
guitarzanjgriffith: if you're curious and have a minute: https://gist.github.com/corystone/92714263f55bb60009a620:18
guitarzanjgriffith: this is an old patch against havana though20:18
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guitarzanI guess some of the service stuff moved :)20:18
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guitarzanI'm curious what people think of the idea20:19
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jgriffithguitarzan: looking20:20
guitarzanit's way smaller than I expected20:20
guitarzankill -USR1 <top cinder pid>20:21
guitarzanand the magic happens20:21
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jgriffithguitarzan: cool, so a way to "nicely" bring the services down20:22
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smcginnisguitarzan: Nice20:22
guitarzanthe idea is you can "maintenance" your running cinder20:22
guitarzando your upgrade20:22
guitarzanstart a new one20:22
guitarzanwhile the other one is still running20:22
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jgriffithguitarzan: so how do you keep "new" things from going in to the queue while you're flushing it?20:22
guitarzanjgriffith: the main point is to close the rpc connection20:23
guitarzanso it doesn't even read any more messages20:23
jgriffithguitarzan: oh... I think I see20:23
guitarzanjgriffith: but you're right, it's also a "nice" shutdown20:23
jgriffithguitarzan: so it shuts down the listener, empties out the queue then dies basically?20:24
guitarzanself.conn.close() is the most important line of the patch :D20:24
guitarzanit just empties anything running in eventlet20:24
jgriffithguitarzan: yeah, and I didn't see it first time through :)20:24
guitarzanit doesn't actually read any more messages20:24
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guitarzanI'm not sure the eventlet hub timer length thing is actually correct, but it "seems to work for me"20:25
guitarzanI would be happy if it didn't even shut down20:25
guitarzanjust sat and spun forever until the ops sigterms it20:25
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guitarzanbut if there's a smart way to shut down, that's even better20:25
jgriffithguitarzan: ohhh... I see20:26
guitarzanyeah, it's more about restarting cinder-volume than anything else20:26
jgriffithguitarzan: well, and it avoids some of the issues with taking down the service while something is in flight which is an added bonus20:26
jgriffithguitarzan: that would help DuncanT quite a bit I think20:27
jgriffithguitarzan: honestly I thought this would be much more involved than this20:27
guitarzan"in flight" either means still sitting in the rabbit queue, which is fine, those can wait, or in the middle of an rpc call in the manager20:27
guitarzanI did too20:27
jgriffithguitarzan: for me "in flight" means in the middle of an rpc call20:28
openstackgerritTom Swanson proposed openstack/cinder: Dell sc driver iscsi multipath enhancement  https://review.openstack.org/15674220:28
jgriffithguitarzan: in the queue now that I thought about it is fine20:28
guitarzanjgriffith: sure, I just mean it hasn't necessarily been picked up yet20:28
guitarzanif it's a call, sorry, it might timeout20:28
jgriffithguitarzan: yeah... cool stuff20:28
guitarzandepending on how you do the restart20:28
guitarzanI'm guessing to really use this you'll have to nuke a pidfile too, so you can start another cinder-volume20:28
jgriffithbetter than the non-deterministic option we have currently :)20:28
jgriffithguitarzan: I like it, there's a ton of work that can go into the startup side IMO20:29
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guitarzanyeah, we'll probably end up using something like this one way or the other20:30
guitarzanwe meaning rax20:30
jgriffithguitarzan: like for example; "I just want to move Cinder services off of this node" keep the backend and volumes, bring up Cinder on another node and auto import all the backend info20:30
jgriffithguitarzan: you should write a BP for this and put it up20:30
smcginnisguitarzan: I agree, I like the idea.20:31
guitarzanjgriffith: will do, I had to make sure it was reasonably doable20:31
jgriffithguitarzan: my start up idea might prove to be a stretch, but I think it's pretty possible20:31
jgriffithguitarzan: guess it becomes more of whether it's useful20:31
guitarzanhard to say if keeping the old "host" value is worth much20:31
guitarzanseems easier to stand up a new host and do a db update :)20:32
jgriffithguitarzan: wel, I wouldn't keep the old "host" value per-say20:32
smcginnisjgriffith: It would at least be a step in the direction of being able to do what you described.20:32
jgriffithguitarzan: I'd auto-migrate existing volumes to the "new" host20:32
jgriffithsmcginnis: +120:32
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guitarzanjgriffith: gotcha, that sounds like a pretty big operation20:32
jgriffithguitarzan: :)20:32
jgriffithguitarzan: nahh... just for v in volumes: s/old_host/new_host/20:33
jgriffithxyang: ping20:34
xyangjgriffith: hi20:34
jgriffithxyang: hey there20:34
jgriffithxyang: since you've had the pleasure of working the LVM code a bit recently :)20:34
jgriffithxyang: wanted to get your thoughts on something I'm looking at20:35
xyangjgriffith: sure.  hope I didn't break anything:)20:35
jgriffithxyang: I've been trying to track down this crazy long running lvs/vgs problem20:35
jgriffithxyang: haha.. no you didn't20:35
jgriffithxyang: so if you're not familiar, there's places in the gate tests where an LVS or VGS command can take up to 2 minutes or more to return20:36
jgriffithxyang: I've made some improvements to things that seem like they "help"20:36
xyangjgriffith: do you have any patch for those or still looking?20:36
jgriffithbut there's still at least one or two of these hit on just about every tempest run20:36
jgriffithxyang: no... but here's something I thought of this morning20:37
jgriffithxyang: we do an awful lot of lvm calls right now20:37
xyangjgriffith: what command specifically?  or just in general20:37
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jgriffithxyang: between the periodic stats update (lvs, vgs, lvdisplay)20:37
jgriffithand delete20:37
jgriffithwhich does an lvs every time20:37
jgriffithto see if the voume exists20:37
jgriffithand then another one to get info about it20:37
jgriffithit's sort of messy20:38
jgriffithI'm wondering about caching the stats data20:38
jgriffithit may not help with the problem at all.. but just something I'm considering as a general improvement20:38
openstackgerritGary W. Smith proposed openstack/cinder: Add 3PAR extra specs schema into volume stats  https://review.openstack.org/14700520:38
xyangI haven't noticed problem with stats update, I did run into problem with delete20:38
jgriffithxyang: well.. yeah, it always shows up on delete (always)20:39
jgriffithbut I was wondering....20:39
jgriffithwhat happens when a periodic stats update goes out...20:39
jgriffithand while it's in progress... we do a delete on the same LV it's reading?20:39
jgriffithgary-smith: giving up on us eh :)20:40
jgriffithgary-smith: don't blame ya20:40
gary-smithjgriffith: how so?20:40
jgriffithgary-smith: oh... never mind :)20:40
gary-smithjgriffith: I was just simplifying and rebasing my change. It now looks closer to your gist20:40
jgriffithgary-smith: that's something different20:40
jgriffithgary-smith: yeah, actually since everybody checked out on that maybe we should just go with what you have20:41
e0nejgriffith: did you get it on infra? i can't reproduce errors like  (https://bugs.launchpad.net/cinder/+bug/1366125) on vms20:41
openstackLaunchpad bug 1366125 in Cinder "LVM hang in volume creation" [High,Confirmed]20:41
gary-smithjgriffith: I'd be all for that :-)20:41
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gary-smithjgriffith: and iterate/improve on it in K20:41
jgriffithe0ne: You can look at any dsvm-full run out of the gate20:41
jgriffithe0ne: search on "seconds to get logical volume info"20:42
jgriffithgary-smith: might be the way to go20:42
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jgriffithgary-smith: seems thingee has checked out20:42
gary-smithjgriffith: in all fairness, the bp and spec were already approved20:43
gary-smithjgriffith: don't know why we can't just add categories and other ideas, once baked, into L20:44
xyangjgriffith: is this bug 1366125 the same problem you are describing20:44
openstackbug 1366125 in Cinder "LVM hang in volume creation" [High,Confirmed] https://launchpad.net/bugs/136612520:44
e0nejgriffith: i'm trying to find20:44
xyangthe logs disappeared20:45
jgriffithe0ne: hold on, I'll show you a logstash for it20:45
e0nexyang, jgriffith: afaik, it is related to lvm and device-mapper versions20:45
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jgriffithe0ne: http://logstash.openstack.org/#eyJzZWFyY2giOiJcInNlY29uZHMgdG8gZ2V0IGxvZ2ljYWwgdm9sdW1lIGluZm9cIiIsImZpZWxkcyI6W10sIm9mZnNldCI6MCwidGltZWZyYW1lIjoiNjA0ODAwIiwiZ3JhcGhtb2RlIjoiY291bnQiLCJ0aW1lIjp7InVzZXJfaW50ZXJ2YWwiOjB9LCJzdGFtcCI6MTQyNDIwNTk1MTM1N30=20:46
jgriffithpop any of those and check in c-vol log20:46
openstackgerritGary W. Smith proposed openstack/cinder: Add 3PAR extra specs schema into volume stats  https://review.openstack.org/14700520:46
jgriffithgary-smith: I pulled that -2 on that, I'll do a proper review here when I get some cycles20:47
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e0nejgriffith: thanks. looks like it related to concurrency locks in lvm20:50
openstackgerritTom Swanson proposed openstack/cinder: Dell sc driver iscsi multipath enhancement  https://review.openstack.org/15674220:50
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gary-smithjgriffith: excellent. Thanks!20:53
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jgriffithe0ne: xyang interesting, so I've got it to a point where I am not seeing the lvs issues20:56
jgriffithe0ne: xyang now to see if I can get creative on the vgs20:56
jgriffithhmmm... there's a whole second code path in there :(20:57
e0newhat are you talking about?20:58
xyangjgriffith: what are you looking?20:58
jgriffithxyang: e0ne so this is what I'm trying to solve:20:58
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jgriffithxyang: e0ne look at the completion times on those LVM calls....20:59
jgriffithxyang: e0ne my theory is that "one" of the calls is blocking the others20:59
jgriffithxyang: e0ne so the trick is to figure out which one and exactly *why* it's locking up21:00
jgriffithxyang: e0ne I have an strace, but afraid I don't see what the problem might be: http://goo.gl/kRng2N21:00
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e0nejgriffith, xyang: does it hangs after operations with snapshots?21:00
jgriffithe0ne: my theory is that "yes" it's def snapshot related21:01
jgriffithe0ne: specifically snapshot removal21:01
e0nejgriffith, xyang: give me 2 minutes, i'll find all related info that i have21:01
jgriffithe0ne: oh.. you've already looked at this?21:01
e0nejgriffith, xyang: it make me crazy time to time:(21:02
jgriffithe0ne: it's been making me crazy for various things like this for almost 2 years now :)21:02
xyange0ne: does it have to do with the version thing you mentioned earlier21:02
e0nejgriffith, xyang: we fixed it in ubuntu by updating lvm2 package21:03
e0nejgriffith, xyang: there was issue in debian21:03
e0nejgriffith, xyang: but i'm not 100% sure that it is root cause21:04
jgriffithe0ne: well, certainly easy for me to test that theory21:04
jgriffithe0ne: I can repro this 100% of the time now21:04
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e0nejgriffith: on vm or hardware node?21:04
jgriffithe0ne: and I wouldn't be surprised, in the past I've found upgrading LVM version fixes everything21:05
jgriffithe0ne: OpenStack Instance21:05
e0nehm... i've tos these errore only on a hardware compute+cinder lvm nodes21:05
jgriffithe0ne: I'd expect them to show up either way21:06
e0nejgriffith: please, take a look on https://bugs.launchpad.net/mos/+bug/1413647, https://bugs.launchpad.net/mos/+bug/1413647 and relarted bugs21:06
openstackLaunchpad bug 1413647 in Mirantis OpenStack " error during create-nested-snapshots-and-attach-volume rally light test" [High,Confirmed] - Assigned to Pavel Boldin (pboldin)21:06
e0nejgriffith: here is reference to debian that was our case https://bugs.launchpad.net/mos/+bug/1369524/comments/2421:06
openstackLaunchpad bug 1369524 in Mirantis OpenStack 6.0.x "lvremove can't delete volume with --force on Ubuntu" [High,Fix committed] - Assigned to Dmitry Burmistrov (dburmistrov)21:06
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e0nejgriffith: for now, we've got such issue with cenos21:08
jgriffithe0ne: very helpful21:08
jgriffithe0ne: I'm looking to see if anybody has backported 14.10 or upcoming 15.04 versions of LVM to Trusty to test21:09
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e0nejgriffith: you're welcome.21:09
jgriffithotherwise I guess I'll build it from source21:09
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e0nejgriffith: i can provice you lvm2 package from 15.04 backported to 14.0421:10
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e0nejgriffith: i'm sorry, for 12.04 only21:10
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jgriffithe0ne: yeah, looking at your notes I saw that you're 12.0421:10
jgriffithe0ne: BTW, I already have a backport out there I tell everybody to use :)21:11
jgriffithon 12.0421:11
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jgriffiththat also adds thin support :)21:11
jgriffithe0ne: sadly it looks like Utopic uses the same version21:11
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e0newe backported lvm2 from vivid(15.04)21:13
jgriffithe0ne: yeah, looks like that's the only option for a newer version21:14
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e0nejgriffith: need to go offline. bb tomorrow21:18
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openstackgerritSteven Kaufer proposed openstack/cinder: Replication status periodic task optimization  https://review.openstack.org/15467321:42
smcginnisanteaya: You around?21:43
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smcginnisjgriffith: ping22:06
openstackgerritGary W. Smith proposed openstack/cinder: Add 3PAR extra specs schema into volume stats  https://review.openstack.org/14700522:06
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openstackgerritThang Pham proposed openstack/cinder: Snapshot and volume objects  https://review.openstack.org/13356622:16
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jgriffithsmcginnis: yo22:30
smcginnisjgriffith: Hey! Just curious - have you tried using anything like squid or similar to speed up you CI stacking process?22:31
jgriffithsmcginnis: yes as a matter of fact :)22:32
jgriffithsmcginnis: I have an apt-proxy that I plug in to22:32
jgriffithsmcginnis: I'm not sure how much of a win it is22:32
jgriffithsmcginnis: what I REALLY need is a pypi mirror22:32
smcginnisjgriffith: Not that noticable/22:32
jgriffithsmcginnis: it was like a few minutes... seems most of my cycles during stack.sh are spent on clones22:33
jgriffithsmcginnis: followed by pip installs22:33
smcginnisjgriffith: I'm seeing about 11 minutes or so for stacking. Would be great to cut that down and not have to pull down so much every single time.22:33
jgriffithsmcginnis: I can look up what I used for my apt-cache22:33
jgriffithsmcginnis: actually... IIRC it's just using the standard apt-cache pkg22:34
smcginnisjgriffith: Anything you can share would be great. Definitely low priority, but looking for was to optimize.22:34
smcginnisjgriffith: Ah, OK.22:34
jgriffithsmcginnis: https://help.ubuntu.com/community/Apt-Cacher-Server22:34
jgriffithsmcginnis: but there's better docs out there....22:34
smcginnisjgriffith: Haven't looked at that at all. Will have to do some reading.22:34
smcginnisjgriffith: Thanks for the pointers. I can at least start there and google the rest.22:34
jgriffithsmcginnis: have a look at this one; seems pretty close to what I did22:35
smcginnisjgriffith: Cool, thanks. Doesn't look horrible.22:35
jgriffithsmcginnis: nahh.. it's pretty easy, which is why I did it :)22:36
smcginnisjgriffith: I'm all for the easy wins.22:36
jgriffithsmcginnis: we have an internal mirror for precise, but I didn't want to mess with that22:36
jgriffithsmcginnis: there's also a cool web-ui for that ng pkg22:36
jgriffithsmcginnis: shows hit/miss stats and what was added22:36
smcginnisjgriffith: What?! It's actually managable? :)22:36
jgriffithsmcginnis: hehe22:37
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jgriffithsmcginnis: if you come up with a way to cache pip without a full blown mirror lemme know :)22:46
smcginnisjgriffith: Will do.22:47
jgriffithsmcginnis: FWIW, I also looked at a hybrid of node-pool22:47
smcginnisjgriffith: That is interesting as well.22:47
jgriffithsmcginnis: pre-build the instance nightly... then do a ./unstack.sh and save it22:47
anishjgriffith: re DocImpact, I know the bugs are automated, should I be making a fix or is that automated as well ?22:47
anish(#openstack-manuals is a ghosttown)22:47
smcginnisBut for me at least I wonder at what point it is worth just switching over to the full Jenkins setup.22:47
jgriffithanish: so the tag is to point it out to the docs folks22:47
jgriffithanish: but they're always more than happy to get submissions22:48
jgriffithanish: annegentle is the doc guru and can help you with anything on that front22:48
jgriffithanish: or at least point you in the right direction (even if that's back to me) :)22:48
anishaite, sounds good22:49
akerr_we actually started with the full jenkins/zuul/nodepool setup, and we're looking at adding all sorts of caches now.  too many of our runs fail because xyz.com is down when devstack is setting up22:49
anishjgriffith: also semi-related question22:50
jgriffithakerr_: hurumph22:50
akerr_turns out the internet isn't reliable :)22:50
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jgriffithakerr_: luckily I don't see that much22:50
annegentleanish: #openstack-doc for questions -- and definitely you should assign yourself to the doc bug created with DocImpact22:50
anishis there any code responsible for say enabling targetcli service, or is this left up to packaging/deployer22:50
smcginnisjgriffith: Have you seen this? "pip2pi builds a PyPI-compatible package repository from pip requirements"22:50
anish* sorry, meant openstack-doc, not openstack-manuals22:50
annegentleanish: it's not a ghost town usually though22:51
akerr_jgriffith: we're spinning hundreds of test nodes a day though.  We also use the same system for internal CI before we even release the code upstream22:51
anishyeah, noticed. could not get any responses there22:51
jgriffithanish: I think packaging effort, but not completely sure I'm thinking the same thing you're asking :)22:51
anishwhat I mean is22:51
jgriffithakerr_: Ahhh!  Yeah, I'm not running at that scale22:51
anishfor eg devstack starts targetcli service at the end of installation22:51
jgriffithakerr_: I think last I looked my busy days are like 30 or so22:52
anishwhen using proper cinder, who does this, and shoudl I add the chiscsi service in there as well22:52
jgriffithSwanson: oh?22:52
akerr_jgriffith: we're about to hit slave #40,00022:52
smcginnisI'm thinking some combination of pip2pi and PIP_DOWNLOAD_CACHE.22:52
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jgriffithsmcginnis: so the Download cache I *thought* was only local to that system?22:54
jgriffithSwanson: thanks for the pointer, not sure why I glossed over that before22:54
jgriffithSwanson: seems it would be trivial to run a nightly that pulls global requirements and sets everything up22:54
smcginnisjgriffith: Yeah. I stage an image, so thinking I would get at least some of it cached ahead of time.22:54
jgriffithsmcginnis: yeah, I was doing that for a while... but something changed (can't remember what) that broke it22:55
jgriffithand I'm lazy :)22:55
smcginnisjgriffith: +1 :)22:55
jgriffithsmcginnis: it's the whole 'fried vs baked' debate22:55
smcginnisHmm... pip2pi along with pypicache?22:56
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smcginnisSounds good at least.22:56
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jgriffithsmcginnis: you should set it up, work out all the bugs and share it with everybody :)22:57
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smcginnisjgriffith: :)22:57
smcginnisjgriffith: I might end up doing that.22:57
smcginnisjgriffith: If I do get it working I will share what I find.22:57
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jgriffithsmcginnis: AWESOME!!!22:59
jgriffithSwanson: tx for the tip22:59
SwansonSure thing.23:00
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anteayasmcginnis: how can I help?23:21
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