Tuesday, 2017-10-31

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openstackgerritzhuangzejian proposed openstack/cinder master: Update setup instructions  https://review.openstack.org/51556402:00
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openstackgerritMerged openstack/cinder master: Switch base to the latest in doc link address  https://review.openstack.org/50224903:58
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openstackgerritAbhishek Sharma M proposed openstack/cinder master: Use total reserved quota value instead of partial  https://review.openstack.org/51651505:26
openstackgerritAbhishek Sharma M proposed openstack/cinder master: Use total reserved quota value instead of partial  https://review.openstack.org/51651505:28
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openstackgerritKushal Wathore proposed openstack/cinder master: HPE 3PAR: ISCSI/FC drivers – code refactoring  https://review.openstack.org/44647505:33
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masbergood afternoon, is openstack volume create part of cinder? I am having an issue where it says volume available but I can't attach it to any server05:41
masberit doesn't fail, it just doesn't change the status05:41
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chialiang_d07:13
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openstackgerritTommyLike proposed openstack/cinder master: Support create volume from backup  https://review.openstack.org/51294907:25
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openstackgerritJeremy Zhang proposed openstack/cinder master: Fix api-ref for group snapshots API  https://review.openstack.org/51653907:30
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masbergood afternoon, my volumes are not attaching to my instances, how could I troubleshoot this?08:15
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openstackgerritPeng Wang proposed openstack/cinder master: DS8K: don't swap role after failover group  https://review.openstack.org/51655108:26
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alteriksHi, did anyone notice problems with cinder_volume post upgrade from Newton to Ocata? I'm seeing high CPU usage, also cinder_volume has problems connecting to ceph09:01
alteriksWhenever I start cinder_volume with debug there are lots of - connecting to ceph (timeout=5). _connect_to_rados /usr/lib/python2.7/site-packages/cinder/volume/drivers/rbd.py:30009:01
alteriksI've noticed that connection to ceph from cinder_volume is flapping and it generates lots of read operation in cluster. This causes bottleneck in ceph-osds and VMs are IO starved09:01
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storshooewrddesrfesr09:21
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openstackgerritAlexandru Muresan proposed openstack/cinder master: Fix imageutils tests on windows  https://review.openstack.org/51465709:28
openstackgerritAlexandru Muresan proposed openstack/cinder master: imageutils: allow passing subformat when converting  https://review.openstack.org/51465809:28
openstackgerritAlexandru Muresan proposed openstack/cinder master: SMBFS: add fixed image support  https://review.openstack.org/51465909:28
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openstackgerritTommyLike proposed openstack/cinder master: Fix earlier backup records can't be restored  https://review.openstack.org/51557709:41
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openstackgerritMerged openstack/cinder master: VMAX driver - detach volume shouldn't remove from volume groups  https://review.openstack.org/50980012:09
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openstackgerritLouie Kwan proposed openstack/cinder master: Allow purging of records less than 1 day old  https://review.openstack.org/51156714:08
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ericyoungI've got a pretty simple cherry-pick to driverfixes/newton if anyone cares to look at https://review.openstack.org/#/c/516481/14:56
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ericyoungso... I find myself with a little free time this week. Is there anything I can help with? reviews? other?15:03
e0neericyoung: hi. reviews are welcome15:04
e0neericyoung: we also have low-hanging-fruit bugs in launchpad https://bugs.launchpad.net/cinder/+bugs?field.tag=low-hanging-fruit15:05
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e0neericyoung: and you can attend our weekly meetings too15:05
ericyounge0ne, weekly meeting is tomorrow. right?15:05
e0neericyoung: yes, at 1600UTC https://wiki.openstack.org/wiki/CinderMeetings#Next_meeting15:06
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e0neericyoung: oops, we won't have meeting this week15:06
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ericyounge0ne, they're already on my schedule. I normally listen in while multi-tasking15:07
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ericyoungI'll take a look at reviews and low hanging fruit15:07
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e0neericyoung: feel free to ask questions here if any15:08
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openstackgerritedan david proposed openstack/os-brick master: Adding NVMEoF for initiator CLI  https://review.openstack.org/48264215:25
smcginnisYes, reviews are always appreciated and needed.15:26
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ericyoungany priorities for the reviews or just "pick any one and go"15:34
smcginnisericyoung: There are some priority ones here: https://etherpad.openstack.org/p/cinder-spec-review-tracking15:35
smcginnisericyoung: But really just picking any one and going is very helpful too.15:35
ericyoungsmcginnis, e0ne. thanks. I'll start hitting some reviews this afternoon15:36
smcginnisericyoung: Awesome, thank you.15:37
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erlonjgriffith: ping15:42
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jgriffitherlon: hey15:45
erlonjgriffith: hey15:45
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jgriffithwhat's up?15:46
erlonjgriffith: Im looking a this bug, https://bugs.launchpad.net/cinder/+bug/1727607 and its very similar to what I was observing on one HNAS drivers, where the targets were scanned in the hosts and volume handles got stuck in the host15:47
openstackLaunchpad bug 1727607 in Cinder "Multiple instances creation failure with bootable volume" [Undecided,New]15:47
erlonjgriffith: not sure what changed in the new attach flow, if that kind of problem was already addressed15:48
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jgriffitherlon: I've seen *similar* things like that in the past where the backend couldn't keep up15:48
erlonjgriffith: you mean that the backend couldnt removed the targets at time?15:49
jgriffitherlon: so for example the driver responds to the create and all but it's actually not usable and the connection fails15:49
jgriffithbasically the endpoint API server falls over (on the device)15:49
jgriffitherlon: yeah, or it gets hung up with the requests all at once15:50
jgriffithI have no idea if that's the sort of thing here or not15:50
erlonjgriffith: hmm15:50
jgriffithSome backends it turns out just don't work well in a large multi-tenant env, but I have no idea if that's the case here15:50
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jgriffithas far as the new attach API's, I doubt very much that they would change this behavior15:51
ildikoverlon: if you're using Nova the new attach flow is not in action yet, we haven't enabled it, a few more things to sort out before that happens15:51
erlonjgriffith: ok, don't worry, just wanted to know if that was a recent problem or that if happened in other vendors15:51
jgriffitherlon: something similar popped up *years* ago with another vendors backend15:51
jgriffithbut the characteristics were a little different15:51
jgriffiththere were rpc timeouts in the logs15:51
erlonjgriffith: mhm15:52
jgriffithbut it's interesting, what it looks like in these logs is the connection isn't being made in time15:52
erlonildikov: I don't think it is using the new attach flow, its in a production environment, so, Ocata or behind15:52
jgriffithwhich maybe trying to connect 15 volumes via a shared target at once is problematic?  I dunno15:52
ildikoverlon: then it definitely does not, I just saw you mentioning it15:53
ildikoverlon: we don't really know how that would behave in this case, but I guess it wouldn't be that much different15:54
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jgriffithsudo su15:54
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geguileowhat's the bug for the iscsi thing that's been discussed here?15:57
jgriffithgeguileo: you mean this:  https://bugs.launchpad.net/cinder/+bug/172760715:58
openstackLaunchpad bug 1727607 in Cinder "Multiple instances creation failure with bootable volume" [Undecided,New]15:58
geguileojgriffith: yes, thanks15:58
jgriffith?15:58
jgriffithsure15:59
geguileobecause right now everything should be fixed in master if we use the right open iscsi version15:59
geguileook, that's old code16:00
geguileoand that was fixed on the new os-brick16:01
jgriffithgeguileo: I guess I'm not clear on what the problem is there but apparantly you recognize it :)16:02
erlongeguileo: you mean those concurrency problems?16:02
geguileojgriffith: yes, it's one of the problems we had when we were looking for devices based on paths16:03
geguileoerlon: no, this was a different problem16:03
erlongeguileo: when was that fixed? this release?16:03
jgriffithgeguileo: ahhhh16:03
geguileothe issue is when udev takes a long time to create the symlinks16:03
jgriffithgeguileo: yeah, makes sense now16:03
geguileoerlon: it was with the whole iSCSI refactoring16:03
* erlon sits down sadly after a burst of joy16:03
jgriffitherlon: it's all in os-brick (correct me if I'm wrong geguileo ) so you might be able to test it by updating os-brick on your system16:04
geguileojgriffith: I was going to suggest that same thing  :-)16:04
erlongeguileo: hmm, you mean that this iSCSI problem in this bug is not conccurency related?16:04
jgriffithassuming we're backwards compatible16:04
jgriffithgeguileo: :)16:04
geguileoerlon: this specific one may not16:04
geguileoerlon: if you are using shared targets you should use and updated open iscsi code where my disabling of automatic scans feature is implemented16:05
geguileoto prevent cross population of devices16:05
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erlongeguileo: hmm that sounds good, I spend a long time in the past debugging cross population problems16:06
geguileoerlon: all those should be fixed now if the right versions are being used16:06
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erlongeguileo: nice, do you thing that updating os-brick to the last version could solve the problem?16:07
geguileoerlon: yup, most of the problems indeed16:07
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geguileoerlon: but if you are using shared targets you'll need a custom open iscsi package using code from master branch16:08
geguileoerlon: or if you are using RHEL 7.4 you just have to update the dm multipath package to get it16:08
geguileoerlon: because I don't think Ubuntu has that code16:08
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erlongeguileo: hmm, good, Ill try that16:09
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erlongeguileo: by the way how do you solved the problems with the shared target? I remembered spend a lot of time thinkin on a way to scan only the volumes that should belong to a specific host, or having a way to track the connection and remove the ones not wanted, but I didnt find a way at that time16:11
geguileoerlon: I wrote a post on that one, let me check where it is16:11
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geguileoerlon: it's mostly adding a feature to open-iscsi and supporting it in os-brick: https://gorka.eguileor.com/iscsi-multipath/16:13
geguileoerlon: the feature is to prevent automatic scans by iscsi initiator due to login or AEN/AER messages received by the initiator from the backend16:13
erlongeguileo: ow, nice, hadn't though about crossing the openstack boundaries. Ill definitely read it with more time later16:14
geguileoerlon: unfortunately that's where the problem was  :-(16:14
erlongeguileo: do you have the commit link where this was added on os-brick?16:16
geguileoerlon: there were a lot of patches (like 10 or so)16:16
geguileoerlon: oh, you mean the specific code that uses the manual feature?16:16
erlongeguileo: hmm, ok, never mind16:16
erlongeguileo: they landed on this release?16:17
geguileoerlon: here is the code that uses the manual scan: https://github.com/openstack/os-brick/blob/master/os_brick/initiator/connectors/iscsi.py#L100216:17
erlongeguileo: no I mean the refactor code itself16:17
geguileoerlon: the refactor were something like 10 os-brick patches and a couple cinder ones16:18
erlongeguileo: mhm16:18
geguileothe cinder ones were mostly to force detach when it's acceptable16:19
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abhi89Hi all.. somebody please review https://review.openstack.org/#/c/516515/16:37
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RcamposHi guys, I have simple OpenStack installation with a controller node and a compute node. Everything work well so far (Create network/flavor/volume, launch/connect a instance, and etc. )17:38
RcamposBut When I tried to create an snapshot ($ nova image-create --poll myinstance myinstance-snapshoot) the "/var/log/cinder/volume.log" in the valume service throw an exception --> DiscoveryFailure: Could not determine a suitable URL for the plugin17:39
RcamposAnyone can help me with this?17:39
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openstackgerritApoorva Deshpande proposed openstack/cinder master: Tintri - Updated driver docs with new nfs option  https://review.openstack.org/51640817:53
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openstackgerritAbhishek Sharma M proposed openstack/cinder master: Use total reserved quota value instead of partial  https://review.openstack.org/51651518:18
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smcginnisRcampos: Can you put the full logged exception in paste.openstack.org?18:27
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Rcampossmcginnis: I have opened a question yesterday with full log --> https://ask.openstack.org/en/question/110919/erro-creating-snapshot-could-not-determine-a-suitable-url-for-the-plugin/18:30
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Rcampossmcginnis: http://paste.openstack.org/show/625151/18:33
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smcginnisRcampos: It looks like a keystone authentication issue. Or a lack of a defined endpoint for it.18:36
smcginnisRcampos: You could try "openstack endpoint list | grep identity" and verify everything is defined right.18:37
Rcamposhttps://thepasteb.in/p/RghnWk303jRUz18:38
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smcginnisRcampos: Hmm, they all look OK.18:40
Rcamposhttps://thepasteb.in/p/k5hYB6J4NQyTE18:41
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smcginnisRcampos: Do you have a [nova] section in your cinder.conf file with auth_type, etc?18:44
Rcampossmcginnis: the original error was "ERROR oslo_messaging.rpc.server     raise nova_exceptions.EndpointNotFound()", and it change when I setup "nova_endpoint_admin_template" in the conf file18:45
smcginnisIn cinder.conf?18:46
Rcampossmcginnis: I dont have a [nova] section in cinder.conf. should I?18:46
smcginnisRcampos: I think so.18:46
smcginnisRcampos: At least, if it is defined there it won't have to try to figure out how to talk to Nova via Keystone.18:47
Rcampossmcginnis: At the storage node, or in the controller?18:47
smcginnisRcampos: You can see the config options if you search for [nova] here: https://docs.openstack.org/cinder/latest/sample_config.html18:47
smcginnisThe cinder-volume node it would appear.18:48
Rcamposokay. I'm using ocata. It's a problem?18:50
Rcamposby default, in ocata the section [nova] doesnt comes by default18:50
smcginnisOh, I think that actually changed in Pike.18:51
RcamposJust tried to add it and the error continue18:52
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dhineshonce the CI setup is working on openstack-dev/sandbox , what type of tests should be run by third party CI?18:54
smcginnisRcampos: Looks like the code does successfully auth on the cinder side, but then later fails within the nova client code. Might have to ask the nova team. Unfortunately I'm not sure what's suppose to happen in there.18:54
smcginnisdhinesh: Basically it should run "tox -e all_plugin volume"18:55
Rcampossmcginnis: In my local installation LVM it works. I only have problem using NFS driver18:56
smcginnisRcampos: IIRC, remote filesystem backends are the only ones that do Nova assisted snapshots.18:57
dhineshsmcginnis: does "all_plugin" entail pep8,py27,py35... and "volume" is it cinder?19:04
smcginnisdhinesh: No, this is in the tempest repo. all_plugin is a target in the tempest tox environment to run all tests, including plugins so that it picks up our in-tree tempest tests. "volume" is a regex to match which tests to run, so that it will run all tempest volume tests.19:06
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lkwan#join openstack-vitrage19:21
Rcampossmcginnis: Thanks! I'm trying to debug nova service and will get in contact with the team if needed19:23
smcginniseharney: Have you seen any progress on bug 1728640?19:23
openstackbug 1728640 in Cinder "py35 unit test subunit.parser failures" [Undecided,New] https://launchpad.net/bugs/172864019:23
smcginnisLooks like just recent failures, and not a lot, but enough to be annoying.19:24
smcginnisRcampos: Great, good luck!19:24
eharneysmcginnis: no, i'm not sure what's causing it19:27
smcginniseharney: Doens't look like subunit has been updated in a long time, so probably not there.19:27
smcginniseharney: I have no idea how that all ties in together though.19:28
eharneysmcginnis: yeah, my problem with this one is that i don't really understand what all the individual pieces are that are interacting here19:28
eharneybrb19:29
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smcginniseharney: I blame stestr. :)19:29
smcginnismtreinish: You around??19:29
smcginnisOops, didn't mean to ask so strongly.19:29
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eharneysmcginnis: well i just found that i can run only a small percentage of the unit tests and still hit it (cinder.tests.unit.api.contrib), so there's a little progress19:40
smcginniseharney: You hit it every time?19:42
eharneysmcginnis: not sure yet19:42
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lkwanneed some help here.19:49
lkwanhttp://logs.openstack.org/67/511567/4/check/openstack-tox-py35/68805d7/ara/19:49
lkwanwhat may cause py35 to fail19:49
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smcginnislkwan: It's a known issue right now. We were just discussing that above ^^.19:50
lkwanCaptured stderr:19:51
lkwan~~~~~~~~~~~~~~~~19:51
lkwan    b"/home/zuul/src/git.openstack.org/openstack/cinder/cinder/context.py:225: DeprecationWarning: Property 'user' has moved to 'user_id' in version '2.6' and will be removed in version '3.0'"19:51
lkwan    b'  return self.user'19:51
lkwan    b"/home/zuul/src/git.openstack.org/openstack/cinder/cinder/context.py:217: DeprecationWarning: Property 'tenant' has moved to 'project_id' in version '2.6' and will be removed in version '3.0'"19:51
lkwan    b'  return self.tenant'19:51
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lkwan    b''19:51
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eharneysmcginnis: yeah, currently happening every time on my laptop19:57
smcginnisLooks like I can repro it on an Ubuntu VM too.19:58
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openstackgerritSean McGinnis proposed openstack/cinder master: Make test logging setup fixture disable future setup  https://review.openstack.org/51677720:06
smcginniseharney: Interestingly, I was just trying to clean up some of the UT logging cruft there ^, and now I can't get it to fail anymore.20:19
openstackgerritSean McGinnis proposed openstack/cinder master: Make test logging setup fixture disable future setup  https://review.openstack.org/51677720:23
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openstackgerritElad Zucker proposed openstack/cinder master: XtremIO: extending volume in create_volume_from_snapshot  https://review.openstack.org/50877120:44
eharneysmcginnis: seems to make tests pass for me too20:46
eharneysmcginnis: maybe some log messages were spewing into the test data output itself20:46
smcginniseharney: Yeah, that's all I can think of.20:47
smcginniseharney: Think I should put a "Partial-bug" on there to track it?20:48
eharneysmcginnis: can probably be Closes-Bug unless we have some further plan to improve this20:49
smcginniseharney: I don't, but just not 100% convinced this is the fix.20:49
smcginnisThough I've run it several times now and it is now always passing for me.20:49
smcginnisAnd if you've confirmed it, I suppose that's a pretty good sign.20:50
smcginnisI'll update it to close the bug, and if we end up still seeing it crop up we can always reopen I guess.20:50
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openstackgerritSean McGinnis proposed openstack/cinder master: Make test logging setup fixture disable future setup  https://review.openstack.org/51677720:51
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mtreinishsmcginnis: I am now, what's up?23:54
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