Wednesday, 2020-01-15

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openstackgerritzhufl proposed openstack/cinder master: Fix some typos in docs  https://review.opendev.org/70256902:13
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openstackgerritXuan Yandong proposed openstack/python-cinderclient master: Drop support for python 2  https://review.opendev.org/69146702:39
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openstackgerritzhufl proposed openstack/cinder master: Fix some typos in docs  https://review.opendev.org/70256903:57
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openstackgerritXuan Yandong proposed openstack/python-cinderclient master: Drop support for python 2  https://review.opendev.org/69146706:01
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xiaolinhello guys, I'm trying to run tempest test "rally verify start --pattern set=volume", but got an error "Forbidden: Policy doesn't allow os_compute_api:os-assisted-volume-snapshots:create to be performed. (HTTP 403)", can anyone give me some advice ?07:48
xiaolinwhen i modify base.RULE_ADMIN_API to base.RULE_ANY in /usr/lib/python2.7/site-packages/nova/policies/assisted_volume_snapshots.py, the test passed07:51
xiaolinIs this permission setting reasonable?07:52
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openstackgerritLiang Fang proposed openstack/cinder-specs master: Support volume local cache  https://review.opendev.org/68455609:11
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openstackgerritwangjiajing proposed openstack/python-cinderclient master: Add my info to stackalytics  https://review.opendev.org/70261309:37
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openstackgerritwangjiajing proposed openstack/python-cinderclient master: Add my info to stackalytics  https://review.opendev.org/70261310:03
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smcginnisxiaolin: It does sound like you need to modify the default permissions, but that would probably be answered better in the #openstack-nova channel.13:25
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rosmaitaCourtesy reminder: Cinder meeting in #openstack-meeting-4 at 1400 UTC13:57
rosmaitajungleboyj rosmaita smcginnis tosky whoami-rajat m5z e0ne geguileo eharney walshh_ jbernard ^^13:57
smcginnisThanks13:57
whoami-rajati was waiting for it :D13:57
toskyalready there13:57
geguileorosmaita: aren't there 3 minutes left?13:57
rosmaitasmcginnis: whoami-rajat: can you take a quick look at https://review.opendev.org/#/c/702309/13:58
rosmaitageguileo: i haven't started the meeting yet, this is just the reminder13:58
rosmaitafigured the reminder should happen a few minutes before the meeting :P13:58
rosmaitawhich, i realize, i usually don't do13:58
rosmaitabecause i am usually running behind13:59
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geguileolol OK14:01
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openstackgerritMerged openstack/cinder-specs master: Retarget specs to ussuri  https://review.opendev.org/70230914:10
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whfnst17I have a question about multpath.15:02
whfnst17Will the multipath still be retained when the volume is attached elsewhere?15:02
whfnst17Like after live migrations?15:02
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LiangFangI forgot to say this in the meeting:15:12
LiangFangopen-cas can accept any types of block devices as cache, so even ram disk, is still OK as cache15:13
LiangFangso in some server with huge DRAM, after using ram disk as cache, the latency would be very much improved15:15
eharneyLiangFang: would that be different from just enabling the writeback cache in qemu?15:16
LiangFangI have not tried writeback in qemu yet:-D15:17
LiangFangeharney: and open-cas is about to support AEP (SSD size, but about 10 times of DRAM latency)15:22
LiangFangthe best SSD is about 10 us latency15:23
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LiangFangDRAM is about 0.0x us latency, AEP is about 0.x us latency15:24
LiangFangso in near future, if AEP is used as cache, the performance would be very good15:25
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LiangFangeharney: thanks for your comment, I will look into it tomorrow15:30
eharneyLiangFang: ok15:30
openstackgerritMerged openstack/cinder master: Remove the Veritas Access Driver  https://review.opendev.org/70091715:31
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jungleboyjsmcginnis:  rosmaita In case anyone notices the Lenovo and HPMSA CIs are sad, I talked to pots and he thinks the issues are resolved now.15:52
rosmaita\o/15:53
jungleboyj:-)15:53
openstackgerritSean McGinnis proposed openstack/cinder master: Add upgrade check for removed VZStorage driver  https://review.opendev.org/70268715:53
openstackgerritSean McGinnis proposed openstack/cinder master: Add upgrade check for removed FusionStorage drivers  https://review.opendev.org/70268815:53
openstackgerritSean McGinnis proposed openstack/cinder master: Add upgrade check for removed Veritas Access driver  https://review.opendev.org/70268915:53
smcginnisgit rm -r cinder/volume/drivers/lenovo :P15:54
jungleboyjOh man, I should have been doing upgrade checks, shouldn't I?15:54
smcginnisYep :)15:54
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jungleboyjOk.  I will review those.15:55
smcginnisrosmaita was actually the one that pointed it out on one of the earlier patches, I just followed up with the checks.15:55
smcginnisThere's a set of them now though.15:55
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jungleboyj:-)  I missed the comment.  Sorry, have too many irons in the fire right now.15:55
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax Driver - Unisphere storage group/array tagging support  https://review.opendev.org/69743616:24
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax Driver - Short host name and port group name override  https://review.opendev.org/70222916:34
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openstackgerritBrian Rosmaita proposed openstack/python-cinderclient master: Drop support for python 2  https://review.opendev.org/69146717:06
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hemnahow did we allow this revert?   https://github.com/openstack/cinder/commit/f3ee3dbf4e4794d77cf263be3eec144328a3bedf18:24
hemnathat basically makes get_volume_stats useless for vmware driver18:24
hemnasmh18:25
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smcginnishemna: Having it made it worse than useless, according to VMware.18:35
smcginnisThey are working on a better solution, IIRC.18:35
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hemnawe use that code18:36
hemnawe have a gazillion deployments of vcenter that cinder talks to18:36
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hemnaand nuking that code completely hoses us18:36
hemnaI am going to revert that18:36
smcginnisFrom what they were saying, I'm surprised you weren't noticing problems with the code in place.18:36
hemnawe aren't18:36
smcginnisI don't think we should be forcing code on a driver vendor for their own products.18:37
smcginnisBest would be to post to the ML asking for someone from VMware to comment on the issue.18:37
hemnabecause customers that use that aren't important?18:37
smcginnisOr see if any of them are actually in channel here and can discuss, but I don't think so.18:37
hemnathat completely screws our deployments and scheduling18:37
hemnait's silly18:38
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hemnaof course adding code to get volume stats causes some calls to be made and some performance hit.   that's every driver.18:38
smcginnisVMware wanted code removed from the VMware driver because of problems with that. Not our place to say otherwise. If there's an end user issue with it, then the end user needs to work with VMware to get them to adress it in a better way.18:38
hemnafrom doing a noop to making calls....takes cpu18:38
hemnasmh18:39
hemnaso cinder only supports vendors?   not customers that have deployed cinder?18:39
hemnawtf18:39
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hemnaanyway, I'm still going to revert that patch and put it up.18:40
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hemnathe patch even says there was an optional config attribute that was in place to bypass it all18:40
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smcginnisWe support customers, but seriously, not our place to say "well this worked for me" and force *their* driver to do something that they've found issues with. It could be fine for you, but screwing 80% of their other customers.18:40
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hemnaso if someone doesn't want to induce that cost, they could avoid it by not enabling it.18:40
hemnait was optionally enabled18:41
hemnaby a config option18:41
hemnathey nuked it all18:41
hemnalast time I checked this project was for the community, not just for vendors.18:41
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder master: Vmware: Revert the volume stats revert.  https://review.opendev.org/70273019:11
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openstackgerritBrian Rosmaita proposed openstack/python-cinderclient master: Drop support for python 2  https://review.opendev.org/69146719:28
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openstackgerritBrian Rosmaita proposed openstack/python-cinderclient master: Drop support for python 2  https://review.opendev.org/69146720:37
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openstackgerritMerged openstack/cinder master: Remove hacking check N325  https://review.opendev.org/70201221:46
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openstackgerritBrian Rosmaita proposed openstack/python-cinderclient master: Drop support for python 2  https://review.opendev.org/69146722:34
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dhinesh02hello, the CI setup is failing on the step23:11
dhinesh02+ /opt/stack/new/devstack-gate/devstack-vm-gate.sh:main:L753:   /tmp/ansible/bin/ansible primary -f 5 -i /home/jenkins/workspace/dsvm-tempest-cinder-driver/inventory -m shell -a 'cd '\''/opt/stack/new/devstack'\'' && sudo -H -u stack DSTOOLS_VERSION=0.4.0 stdbuf -oL -eL ./stack.sh 2>&1 executable=/bin/bash'23:11
dhinesh02when i prune thru the logs it shows23:11
dhinesh02when i prune thru the logs it shows23:11
dhinesh02./stack.sh:227:die23:11
dhinesh02[ERROR] ./stack.sh:227 If you wish to run this script anyway run with FORCE=yesnon-zero return code23:11
dhinesh02and there is not much explanation in why it failed, has anyone encountered this?23:12
dhinesh02i've also have 'export FORCE=yes' before it runs ./safe-devstack-vm-gate-wrap.sh23:12
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