Thursday, 2019-05-30

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LiangFanghi, anybody know when is the code freeze date of train version?01:47
smcginnisLiangFang: Feature freeze is the week of September 9 -
LiangFangthanks, do you know what is the data of cinder driver?01:49
smcginnisLiangFang: That is also listed on the schedule - the week of July 22.01:49
lixiaoy1smcginnis: Hi, would you help to reveiw RSD driver? The CI is ready and all the comments are addressed.01:54
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openstackgerritMerged openstack/cinderlib master: OpenDev Migration Patch
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ruffian_sheep<whoami-rajat>:Hello, I want to ask. I use py37 to execute tempest, do I need to reinstall devstack? Or is there any other way to use py37? In the case that I have already installed py37.03:13
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whoami-rajatruffian_sheep: i don't think there is a need to reinstall devstack. how do you currently run your CI tests?03:23
ruffian_sheep<whoami-rajat>:I run this cmd tox -e all -- '^(?=.*volume)(?!.*test_volume_boot_pattern).*'--concurrency=1|tee /root/tox.log to run tempest before,and I am going to write a shell script to run related instructions.03:25
whoami-rajatruffian_sheep: i think you need to do a minor change, ``tox -epy37 all ...``03:51
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whoami-rajatruffian_sheep: nope, this runs a series of different tests.04:10
whoami-rajatruffian_sheep: so tempest detects the default system python version, you need to set your default py version to 3.7 in your distro and then run the same command04:11
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stakedahi, cinder cores. could you review this patch? Jay Bryant gave us +2 two weeks ago but we need another to fix support matrix. thanks.
whoami-rajatstakeda: the attach_snapshot functionality was marked completed, why is it changed to missing in this patch? is it unsupported now or never existed?06:39
stakedawhoami-rajat: never existed. our driver haven't supported attach_snapshot yet. i don't know why it was marked completed...06:49
whoami-rajatstakeda: ok. Done06:50
stakedawhoami-rajat: thanks!06:51
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whoami-rajatstakeda: np06:58
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openstackgerritRajat Dhasmana proposed openstack/cinder master: Fix volume type quota defaults in quotas tests
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openstackgerritMerged openstack/cinder master: Update NEC driver manual and support matrix.
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openstackgerritWalter A. Boring IV (hemna) proposed openstack/cinder master: Create extras for pypi install
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m5z_|mszwed|hi, quick question - is branch 'stable/stein' the release version or is this a branch for backport fixes?12:16
openstackgerritMichael McAleer proposed openstack/cinder master: PowerMax Driver - Checksum Validation
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whoami-rajatm5z_|mszwed|: I think both12:43
m5z_|mszwed|I see :)12:44
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smcginnism5z_|mszwed|: It's a branch for backport fixes. Stein was the last release and we are currently working towards the Train release.13:38
hemnajungleboyj: smcginnis
hemnagot the ceph-iscsi api running finally13:45
hemnathat was no easy feat13:45
eharneyhemna: awesome13:46
smcginnishemna: Was the issue that there are some specific setup requirements for ceph-iscsi, or does the project need some work yet?13:47
hemnanow, to decipher how to use it :P13:47
jungleboyjhemna:  You the man!13:47
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hemnait required a lot of packages to get built/installed13:48
hemnathe right kernel version with some configfs support13:48
hemna3 daemons13:48
hemnaand a configuration file for the iscsi gateway13:48
smcginnisDoesn't sound great for usability, but if it addresses a specific user need, I guess they'll be willing to jump through a few hoops to get it going.13:48
hemna(besides getting ceph up and running)13:48
hemna7 vms later....13:49
smcginnisThough I do wonder how that will work when we get to the point of needing to set up gate jobs...13:49
smcginnisBut we can worry about those details later I suppose.13:49
hemnayah I dunno13:49
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hemnaat least I can start writing some python now13:50
jungleboyjhemna:  Are you documenting what you are learning somewhere so that we can recreate if needed?13:54
hemnaI haven't been, but I can13:57
jungleboyjhemna: That would be good.  :-)14:04
jungleboyjSorry.  Have my architect hat on now.14:05
smcginnisThat will be important when it does come time to figuring out the gate testing.14:06
smcginnisAnd documentation for end users.14:07
openstackgerritSofia Enriquez proposed openstack/cinder master: Support Incremental Backup Completion In RBD
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whoami-rajatm5z_|mszwed|: oh I read it 'released version'14:32
whoami-rajat++ on smcginnis14:32
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hemnasmcginnis: jungleboyj
jungleboyjhemna:  Cool.  Thank you!14:37
smcginnisLooks like bionic at least has the right kernel version. So at least that shouldn't need anything too special in the gate.14:38
hemnayah I think so14:46
hemnaso from what I can tell14:46
hemnathis API is not really meant to be used for this14:46
hemnait's a sync mechanism between each of the iSCSI gateway nodes to ensure that they are all working after a reboot14:47
hemnabut, if we can use it.....14:47
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jungleboyjCan it be enhanced to do what we are looking to do?14:50
hemnathat's what I'm trying to find out14:50
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jungleboyjsmcginnis:  I was going to backport my upgrade check to stein but it looks like you have only backported the backup module check.15:12
jungleboyjWere you planning to backport the others or do you want me to do that?15:12
smcginnisjungleboyj: Oh, I can take a look now.15:13
jungleboyj:-)  They all kind of depend on each other.15:13
openstackgerritMerged openstack/cinder master: Add Upgrade Check for Drivers Removed in Stein
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openstackgerritSean McGinnis proposed openstack/cinder stable/stein: Add upgrade check for presence of policy.json file
smcginnisjungleboyj: It was just that one yet, right? ^15:28
jungleboyjThe periodic interval as well.15:29
jungleboyjOh crap.  It is trying to pull in train ones too though.15:30
jungleboyjYeah.  Should just be the policy ones.15:30
jungleboyjI will need to clean stuff up in my cherry-pick once that is in.15:30
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openstackgerritMichael McAleer proposed openstack/cinder master: PowerMax Driver - Checksum Validation
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smcginnisjungleboyj: Merge conflict on
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax docs - known issues with metro
openstackgerritWoojay Poynter proposed openstack/cinder master: Remove the DRBDManage Driver
openstackgerritMerged openstack/python-cinderclient master: Update sphinx dependency
openstackgerritMerged openstack/cinder master: [Trivial fix]Remove unnecessary slash
openstackgerritMerged openstack/cinder master: Do not use 'self' in classmethod
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openstackgerritMerged openstack/cinder master: VNX: add option vnx_async_migrate
openstackgerritMerged openstack/python-cinderclient master: Drop use of
openstackgerritMerged openstack/cinder master: Allow reset-state to detach volume as per policy
openstackgerritSean McGinnis proposed openstack/cinder master: Fix formatting issues in PowerMax docs
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openstackgerritSean McGinnis proposed openstack/cinder master: Update Python 3 test runtimes for Train
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openstackgerritMerged openstack/cinder stable/pike: Fix "connector=None" issue in Kaminario drivers
openstackgerritMerged openstack/cinder master: Bump bandit version
openstackgerritMerged openstack/cinder master: Automate generation of volume transfer api-ref samples
openstackgerritMerged openstack/cinder master: api-ref: mark migration_status parameter as optional
openstackgerritMerged openstack/cinder stable/pike: Make sure we install cinder requirements during the correct tox phase
openstackgerritMerged openstack/cinder master: PowerMax docs - add information on new and existing functionality
whoami-rajatsmcginnis: jungleboyj  Hey, i've a query regarding extensions, we don't add extensions after MV implementation, any specific reason for it?17:57
jungleboyjwhoami-rajat:  I don't understand the question.18:06
jungleboyjsmcginnis:  Thanks.  Was going to tackle those merge conflicts this afternoon.18:06
jungleboyjOn it now.18:06
whoami-rajatthere aren't any extension added after MV implementation18:16
jungleboyjwhoami-rajat:  I am thinking that is because MV replaced the need for extensions.18:18
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openstackgerritMerged openstack/cinder master: Remove confusing annotation
openstackgerritJay Bryant proposed openstack/cinder master: Remove the Tintri Driver
openstackgerritJay Bryant proposed openstack/cinder master: Remove the Veritas HyperScale Driver
jungleboyjsmcginnis:  rosmaita  ^^^18:36
rosmaitajungleboyj: ack, but not sure how soon i can look at those18:38
jungleboyjOk.  NP.18:38
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josephillipsi have a question about nfs_shares_config18:45
josephillipsif i put 2 or 3 shares on this file18:45
jungleboyjOk ...18:45
josephillipswhat is the behaivor of this18:45
josephillipshow openstack choose the share based on what?18:45
josephillipsim trying to achive a load balacing for the nfs server18:46
eharneyit's chosen within the nfs driver itself -- but it's better to not use that config method, and configure a cinder backend for each share instead18:46
jungleboyjeharney:  ++18:46
jungleboyjuse nas_host and nas_share_path for each backend .18:47
josephillipsok let me explain the scope that i have18:47
josephillipsi have a netapp filer with a nfs volume18:47
josephillipsim getting a performance issues based on this note18:47
josephillipsthey said use multiple mounts18:48
josephillipsexample    and
josephillipsis the same storage but with different interfaces18:48
josephillipsif i create a multiple storage backend i have to choose what backend to use to perform the load balancing18:49
josephillipsand is a manual load balancing18:49
josephillipsthis is why i want to know what is the exactly behaivor of nfs_shares_config because im tyring add 2 servers for example
josephillipsand always is choosing the .218:51
josephillipsi create around 10 vms and all of them is on the .218:51
smcginnisjosephillips: You can still have multiple backends without needing to choose which one.18:57
smcginnisjosephillips: You just need to define a volume type that does not have volume_backend_name defined but will match the other characteristics of each backend.18:58
smcginnisjosephillips: Then depending on how the schedule is set up with filtering and weighing, it will choose which share to use.18:58
josephillipssmcginnis: sound good but there is a problem there19:07
josephillipsall the vms that i need to run on these volume have all the same charactheristic19:07
josephillips i need these vm got full throttle19:07
eharneyif you configure using multiple cinder-volume backends, the scheduler can spread volumes across all of the shares19:08
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josephillipsif i do that can be over the same mountpoint or you recommend use another share19:10
smcginnisYou can have multiple backends, each per share.19:11
openstackgerritEric Harney proposed openstack/cinder master: Bump hacking version to 1.1.x
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jungleboyjsmcginnis:  I had a todo to add contributor documentation on Upgrade Checks.19:46
jungleboyjYou haven't worked on that yet.  Have you?19:46
smcginnisjungleboyj: Nope, I have not.19:51
jungleboyjOk.  Working on that.  :-)19:51
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_erlon_josephillips: hey20:20
_erlon_josephillips: so, in your case, you should create at least 4+ flex-volumes in your NetApp filer, depending on your storage size and number of nodes. That will leverage the storage parallelism. The ONTAP driver will still need to use the  nfs_shares_config with multiple config lines. One for each flexvoll you create an export and add them to the nfs_shares file20:23
_erlon_josephillips: Because as you said, all you volumes have the same type, Cinder will schedule all of them based on the free capacity of the pool. See that when you create 4 volumes at the same time (less them 1 minute apart), Cinder will by default schedule them to the same pool20:26
_erlon_As your storage consumption grows, the scheduler will choose others20:26
_erlon_josephillips: there's a guide on
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_erlon_josephillips: Cinder side:
_erlon_Filer side:
smcginnis_erlon_: Can't you just do the one type and change the weigher to not schedule by capacity?20:33
_erlon_smcginnis: that would work as well, forgot to mention that 'by default, Cinder will schedule based on free capacity'20:34
_erlon_but you can use the AllocatedCapacityWeiger20:35
_erlon_that one will alternate your volumes as you create20:36
openstackgerritMerged openstack/cinder master: Drop use for tox deps
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openstackgerritWoojay Poynter proposed openstack/cinder master: Remove the DRBDManage Driver
josephillipshi _erlon_ thanks for your reply20:48
josephillipsif you see on configuration demo they create 4 volumes but for different proporses20:49
josephillipsone deduplicated one compressed and 2 snapmirrored20:49
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josephillipsi can create 2 or 3 volumes with different sizes and the scheduler will choose the more empty one but. i guess in case of storage efficienty is not "Efficient"20:51
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_erlon_josephillips: what do you mean? The efficiency will reflect in the free_capacity21:13
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openstackgerritMerged openstack/cinder stable/rocky: Declare multiattach support for HPE MSA
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openstackgerritJay Bryant proposed openstack/cinder master: Add Contributor Docs for Upgrade Checks
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openstackgerritMerged openstack/cinder master: Fix the misspelling of "volumes"
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