Tuesday, 2018-02-13

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openstackgerritIan Y. Choi proposed openstack/cinder master: [doc] Fix a wrong link for nova document  https://review.openstack.org/54365900:19
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openstackgerritTommyLike proposed openstack/cinder-specs master: Support image signature verification  https://review.openstack.org/38414302:50
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openstackgerritMerged openstack/cinder master: Fix link error in 'Boot from volume' doc  https://review.openstack.org/54265403:30
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder master: Imported Translations from Zanata  https://review.openstack.org/54381206:58
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openstackgerritLucian Petrut proposed openstack/os-brick master: Windows FC: fix disk scan issues  https://review.openstack.org/49084009:13
openstackgerritLucian Petrut proposed openstack/os-brick master: Windows iSCSI: ensure disks are claimed by MPIO  https://review.openstack.org/49089409:13
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openstackgerritMerged openstack/os-brick master: Enable hacking-extensions H204, H205  https://review.openstack.org/53977310:29
openstackgerritMerged openstack/os-brick master: s390x fc: Fix device path for Ubuntu with ds8k  https://review.openstack.org/53539610:29
openstackgerritMerged openstack/os-brick master: Windows: fix connectors 'disconnect_volume' signature  https://review.openstack.org/52823610:29
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openstackgerritMerged openstack/cinder master: Improve logs on scheduler  https://review.openstack.org/54358310:43
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swamireddyfor lvm volumes, I used "volume_clear" flag...to data wipe with dd "zero"... is there any tools (free) which can be used for forenceicly retrive the data on the volume where filled with 'zero'12:18
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DHEswamireddy: from the point of view of a VM/instance, no. from someone with access to the raw disks on the cinder volume hosts, maybe with thin volumes but I still strongly suspect no.13:25
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DHEmy own question: I'm trying to set up multiple volume types with different redundancy levels. While I have the two types up and working, cinder seems to randomly select which gets used. how do I cross reference the "type" as stored in the database with the actual cinder instances?13:42
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smcginnisswamireddy: I'm sure there are commercial tools out there, but nothing I know well enough to recommend.14:25
smcginnisDHE: How are you trying to associate these volume types?14:25
DHEsmcginnis: "openstack volume create --type <uuid-of-type> ..." but I seem to not know how to cross-reference that to a cinder-volume instance14:27
ildikovsmcginnis: jungleboyj: got a note on the docs that I should use openstackclient commands as examples14:27
smcginnisDHE: I mean, what extra specs are you using in the volume types to associate the type to the storage you wish it to use.14:28
jungleboyjildikov:  Oh, yeah, that is a good comment.14:28
smcginnisildikov: If there are osc commands available, then we should use those. If things haven't made it there yet, then we have to stick with cinder client examples.14:28
ildikovsmcginnis: jungleboyj: in the openstackclient docs I saw Block Storage v1, v214:28
ildikovwhich got me confused14:29
DHEsmcginnis: from other examples I thought the type "name" had to match the cinder.conf:[typeheader]:volume_backend_name field but that seems quite wrong14:29
ildikovsmcginnis: jungleboyj: also do you know whether it supports microversions?14:29
smcginnisDHE: Not the name of the volume type, but the volume_backend_name value in the extra specs.14:29
jungleboyjildikov:  Oh yeah ... now that you say that I remember a discussion about OpenStack client not being updated with that.14:29
ildikovsmcginnis: jungleboyj: as if it's partially OSC partially still the cinderclient, then it might not be such a good idea14:29
smcginnisildikov: I think they added MV support, but last I was tracking things they were just getting caught up on v2 support.14:30
jungleboyj:-(  Ok, so probably best to be consistent and just use Cinderclient.14:30
DHEsmcginnis: thanks, I think I found what I need from googling "extra specs"14:31
smcginnisDHE: Haha, great. Sometimes it's just knowing that one or two words you need to get google to bring you to the right place. ;)14:31
ildikovjungleboyj: smcginnis: I'm more asking questions here, I used cinderclient so far so don't really have a strong opinion besides consistency14:32
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ildikovjungleboyj: smcginnis: we could say that if we only write docs for people who use Cinder with Nova then I guess the volume type create and volume create commands should be fine14:33
smcginnisildikov: We have a mix elsewhere, but usually its using osc where possible, cinderclient where not.14:34
ildikovjungleboyj: smcginnis: however I guess the new attachment create, update, etc commands didn't make it to osc yet14:34
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smcginnisildikov: I would be surprised if they did.14:35
ildikovsmcginnis: we added a microversion for multi-attach in Cinder too so I'm a little hesitant here overall with osc in the docs :/14:36
jungleboyjildikov:  That is the big concern for me is the MV aspect.14:37
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ildikovjungleboyj: smcginnis: would you mind leave a comment here: https://review.openstack.org/#/c/540047/7/doc/source/admin/blockstorage-volume-multiattach.rst about this concern?14:39
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* jungleboyj remembers I was going to review that yesterday. :-)14:40
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smcginnisMatt should have been a teacher. I can just picture him grading papers with his red pen at the ready.14:41
jungleboyjsmcginnis:  *Laughing*14:42
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ildikovsmcginnis: yeah, we agreed on a purple shed yesterday, so I'm swallowing my pride and fixing stuff quietly now :)14:48
smcginnisIt's the small victories.14:50
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openstackgerritMerged openstack/cinder master: Imported Translations from Zanata  https://review.openstack.org/54381214:51
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jungleboyjsmcginnis:  Matt asks a good question about the driver support matrix.15:01
jungleboyjsmcginnis:  We were trying to get that automated.  Right?15:01
smcginnisjungleboyj: Yes. Mike was driving some initiative to standardize that across projects though, but I don't know what happened with that.15:02
jungleboyjsmcginnis:  Ok.  :-(  Wonder if I should ping him about that.15:03
ildikovjungleboyj: I was pointed here by smcginnis yesterday: https://wiki.openstack.org/wiki/CinderSupportMatrix15:03
ildikovjungleboyj: smcginnis: how much do you feel confident with advertising this wiki?15:04
smcginnisildikov: There was another effort to make that automated. Nova has something similar they have done. There's a patch out there somewhere for cinder to do it like nova, but then we were told something else was going to be done.15:04
smcginnisildikov: So I think the wiki is the best we have right now.15:04
jungleboyjildikov:  Yep, that is the non automated version.  Doesn't have multi-attach there yet, obviously.15:04
jungleboyjsmcginnis:  ++15:04
ildikovsmcginnis: for the record, Nova's support matrix is not automated, it just lives with the code15:06
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jungleboyjildikov:  Ok, good to know.15:06
ildikovsmcginnis: and my question is not what's the best, but what's good enough? :)15:06
ildikovsmcginnis: I mean there might not be anything better than the wiki, but if it's possibly too out of date or is less and less maintained then I would not necessarily point users and operators there15:07
ildikovsmcginnis: and I cannot make that judgement call15:08
openstackgerritJames E. Blair proposed openstack/python-cinderclient master: Zuul: Remove project name  https://review.openstack.org/54396615:10
DHE... and volume creation fails due to overflow...15:11
jungleboyjildikov:  That is what we have.15:13
DHEsmcginnis: thanks, that works. now I hit another brick wall...15:14
ildikovjungleboyj: as we basically have LVM supporting multi-attach for Queens I can easily document that without the wiki15:15
ildikovjungleboyj: or if you say that the wiki is 90-something% correct then I will refer to it15:15
ildikovjungleboyj: will update with multi-attach in either case15:16
ildikovnot sure whether John turned it on for SolidFire or not15:17
ildikovand we either backport Oracle or not, that's an easy update15:17
openstackgerritIvan Kolodyazhny proposed openstack/cinder master: Allow NFS snaphot clone in 'backing-up' state  https://review.openstack.org/54396715:18
jungleboyjildikov: it is 90% accurate as of the last time I looked at it, so lets reference it.15:21
jungleboyjildikov:  Adding the column to the support matrix now.15:23
jungleboyjildikov:  LVM is the only one with support at the moment?15:23
ildikovjungleboyj: in Queens I think yes, but I'm only 90-ish% certain about that TBH... :)15:24
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jungleboyjOk.  I can double check that.15:25
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smcginnisjungleboyj: Yes, only LVM at this point.15:26
ildikovjungleboyj: thanks much15:26
smcginnisWhich, since it's our reference driver, might be fine for Queens.15:26
ildikovjungleboyj: will reference the wiki in the next version of the docs15:26
ildikovsmcginnis: +115:26
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jungleboyjsmcginnis:  I am going to put talking about this wiki on the agenda for the PTG.  I know we have talked about it before but looks like it might be worth revisting.15:38
ildikovjungleboyj: +115:38
openstackgerritMerged openstack/cinder master: Fix typos in cinder  https://review.openstack.org/54259015:45
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DHEfound a bug? the drbdmanage driver uses dbus and is limited to 1.999 TB volumes due to an Int32 size limitation15:56
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smcginnisSwimingly: Any info on that? ^16:05
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mayur_indHi folks,16:21
mayur_indAttach volume is failing with following error :-16:21
mayur_indCommand: /lib/udev/scsi_id --page 0x83 --whitelisted /dev/disk/by-path/ip-
mayur_indwhat may be the reason for this  :-(16:22
smcginnismayur_ind: What is the error?16:22
mayur_ind2018-02-13 11:47:06.703 16099 DEBUG oslo.privsep.daemon [-] Running cmd (subprocess): /lib/udev/scsi_id --page 0x83 --whitelisted /dev/disk/by-path/ip-,:target02-lun-2 out_of_band /usr/lib/python2.7/site-packages/oslo_privsep/daemon.py:194 2018-02-13 11:47:06.712 16099 DEBUG oslo.privsep.daemon [-] CMD "/lib/udev/scsi_id --page 0x83 --whitelisted /dev/disk/by-path/ip-
mayur_indthis is the logs16:26
smcginnismayur_ind: That's showing the command that was run. What is the error?16:26
mayur_ind2018-02-13 11:47:06.713 16099 DEBUG oslo.privsep.daemon [-] privsep: Exception during request[104484368]: Unexpected error while running command.16:26
smcginnismayur_ind: Can you upload your log somewhere? Maybe paste.openstack.org?16:27
mayur_indok.... doing it now...16:28
jungleboyjildikov: The 'multi-attach' column has been added.16:33
ildikovjungleboyj: thanks!16:34
mayur_ind@smcginnis ... logs uploaded at http://paste.openstack.org/show/671030/16:35
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jungleboyjildikov:  No problem.  Need to spend some time looking more closely at that.16:36
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jungleboyjildikov: Do you have a pointer to what Nova is doing for the capabilities reporting.17:02
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ildikovjungleboyj: https://github.com/openstack/nova/blob/master/doc/source/user/support-matrix.ini17:05
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ildikovjungleboyj: https://github.com/openstack/nova/blob/master/doc/source/user/support-matrix.ini#L141717:06
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jungleboyjildikov:  Ah, so developers need to manually update that but the result is a support matrix?17:08
smcginnismayur_ind: Hmm, it doesn't say what the error was, just that it returned 1. Not sure why it would error and not return an error string.17:10
ildikovjungleboyj: yeah, I mentioned it earlier that it's not automated, but as it lives with the code you can -1 a patch until the updates to the file are done17:10
smcginnismayur_ind: You may need to manually run that and see if you get any different results.17:10
ildikovjungleboyj: not sure where it gets rendered, I guess mriedem knows17:13
jungleboyjildikov:  Yeah, that would be an improvement.17:14
DHEall fixed up and working...17:17
smcginnisDHE: Great!17:18
DHEsmcginnis: I do have a one-line bugfix though. the glue between dbus and python (used in the drbdmanage driver) can overflow with large datasets. guess I should report that17:18
smcginnisDHE: Yes, if you can file a bug that would be great.17:19
smcginnisDHE: If you can also propose a code change, even better. :)17:19
ildikovmriedem: bah, I think I got to this page and got distracted by the warning sign...17:20
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openstackgerritAlan Bishop proposed openstack/cinder master: Solving permission errors due to directory ownership on NFS  https://review.openstack.org/52472817:21
mayur_ind@smcginnis , thnks for ur reply... https://bugs.launchpad.net/fuxi/+bug/1644020 is this something related17:21
openstackLaunchpad bug 1644020 in Fuxi "Error on running scsi_id command" [Undecided,Fix released]17:21
mriedemthat warning should be changed to info or something17:21
mriedembecause the feature classification thing is dead since OSIC17:21
ildikovshould be an easy fix though17:23
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smcginnismayur_ind: That appears to be a misconfiguration where running scsi_id was not allowed.17:26
smcginnismayur_ind: This looks like it was able to run the command, just the command failed for some reason but didn't emit anything to sterr saying what the problem was.17:27
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mayur_indI was able to attach other volumes, but this perticuler one is failing with that error17:28
mriedemildikov: i plan on starting the nova multiattach docs stuff after lunch; i started and then got distracted https://review.openstack.org/#/q/topic:bug/1749235+(status:open+OR+status:merged)17:29
mriedemthere was a weird old ass link to the block storage docs from the compute scheduler config do17:29
mriedemdocs are a treasure trove of broken17:30
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ildikovyeah, things get moved around quite a bit lately17:31
openstackgerritIvan Kolodyazhny proposed openstack/cinder master: Remove deprecated service-to-driver mapping for backups  https://review.openstack.org/49622217:32
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jungleboyjsmcginnis:  I am not having any luck finding the previous reviews/blueprint on moving our matrix to the code.  Any idea where that was?17:34
openstackgerritAlan Bishop proposed openstack/cinder master: Solving permission errors due to directory ownership on NFS  https://review.openstack.org/52472817:34
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smcginnisjungleboyj: Found it - https://review.openstack.org/#/c/371169/17:36
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jungleboyjsmcginnis:  How on earth did you find that?17:54
smcginnisproject:openstack/cinder message:matrix17:55
jungleboyjsmcginnis:  Some day you will need to teach me oh wise one.17:55
jungleboyjI tried that and it said 'message matrix isn't valid'.17:55
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jungleboyj*Sigh*  That time it worked.  I wonder if I had a space after 'message;.17:57
smcginnisCould be. :)17:58
jungleboyjsmcginnis:  Ok, so it looks to me like what Nova is doing is the direction that Mike had blocked that code review on.  There were some other iterations in there.18:04
jungleboyjAnyway, I have added following up with that to the PTG discussion.18:05
openstackgerritMerged openstack/python-cinderclient master: Zuul: Remove project name  https://review.openstack.org/54396618:05
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smcginnisjungleboyj: Yeah, no idea what the preferred route is now. It would be good to discuss that since I'm pretty sure we could do something better than the wiki.18:06
jungleboyjYes.  For sure.  Want to discuss that before putting time into updating the Wiki.18:06
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openstackgerritIldiko Vancsa proposed openstack/cinder master: Admin guide documentation for volume multiattach  https://review.openstack.org/54004718:35
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ildikovjungleboyj: latest rendered version: http://logs.openstack.org/47/540047/8/check/build-openstack-sphinx-docs/59f5ee7/html/admin/blockstorage-volume-multiattach.html18:59
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sandkAm trying to write a cinder driver for FC SAN storage (using devstack in ubuntu kvm as my dev platform) but am having issues setting up the compute instance to test the fibre channel zoning part. The nova compute would be a nested kvm instance that I've configured per the docs. The challenge I'm facing is passing through the emulex HBA to the compute instance (nested kvm). What do other developers use to test the fibre chann19:49
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openstackgerritEric Young proposed openstack/cinder master: ScaleIO: Add documentation for containerized overcloud  https://review.openstack.org/54405119:52
smcginnissandk: I'm not sure if this is up to date or not: https://wiki.openstack.org/wiki/Cinder/tested-3rdParty-drivers#How_do_I_test_FC_drivers.3F19:53
mriedemimacdonn: you'll want to update this for multiattach support for zfs https://wiki.openstack.org/wiki/CinderSupportMatrix19:54
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imacdonnmriedem: Hmm. I'm not sure that the "Solaris (ZFS)" entry there is the same thing as "Oracle ZFSSA" - if so, the latter appears to be missing entirely19:59
sandksmcginnis: Thanks. I tried the PCI passthrough docs but was having difficulties. I'll try these scripts.19:59
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mriedemimacdonn: ok, wasn't sure, but yeah i know there are at least 2 cinder drivers now that support multiattach but only saw the lvm entry in the wiki20:02
imacdonnmriedem: will get it fixed either way20:03
imacdonnmriedem: although .... since the change didn't make it into Queens (I think?), maybe it's not appropriate to add there yet...20:05
mriedemimacdonn: the entries are per-release20:06
mriedemso for the oracle zfssa entry, the cell would say 'Rocky'20:06
imacdonnmriedem: so it's OK to add a future release ?20:06
mriedemsure, master is rocky20:06
imacdonnsmcginnis: any input on the history of this page ... is it something that driver owners are supposed to "just know" that they need to add themselves to ?20:07
ildikovimacdonn: yeah, Rocky should be fine there, I don't think we got anything else that would've required a new RC since RC-120:08
ildikovimacdonn: there are plans to have something better than the wiki, so we're a bit in the middle of two solutions20:09
ildikovimacdonn: we plan to chat about this at the PTG, I think we will touch base on improving guidance regarding the wiki and plans too20:09
mriedemthis doc likely should have never been moved to nova... https://docs.openstack.org/nova/latest/admin/manage-volumes.html20:10
mriedemit's 95% about cinder stuff20:10
imacdonnildikov: OK. I guess I'll add a row for "Oracle ZFSSA" and guess at some of the values - e.g. I'm fairly sure the driver was added in Juno ;)20:10
ildikovimacdonn: sounds good :)20:11
ildikovimacdonn: thank you!20:11
ildikovmriedem: what's the 5%?20:12
mriedemserver add/remove volume20:12
mriedemthat's attach/detach20:12
mriedemthe reason it was added to nova was because of the filename in the docs repo https://github.com/openstack/openstack-manuals/blob/stable/ocata/doc/admin-guide/source/compute-manage-volumes.rst20:12
mriedemthat 'compute-' prefix20:13
ildikovit blended in the rest too smoothly...20:13
mriedemcinder docs have https://docs.openstack.org/cinder/latest/admin/blockstorage-manage-volumes.html and https://docs.openstack.org/cinder/latest/cli/cli-manage-volumes.html20:13
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ildikovit looks like an easy fix with references20:14
mriedemif anything, nova can just link to https://docs.openstack.org/cinder/latest/cli/cli-manage-volumes.html#attach-a-volume-to-an-instance20:14
mriedemi think i'd just delete https://docs.openstack.org/nova/latest/admin/manage-volumes.html20:15
mriedemit's already all covered in https://docs.openstack.org/cinder/latest/cli/cli-manage-volumes.html20:15
ildikovthat attaching a volume to an instance honestly looks like the odd one out there20:18
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mriedemildikov: my solution https://review.openstack.org/54406620:21
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ildikovmriedem: I'm not sure how much of a fan I am of it, but it is certainly a solution20:54
ildikovmriedem: if we go this route though I wonder where the multi-attach notes will fit?20:54
mriedemildikov: working on that now20:56
mriedemthat's a follow up patch to that one20:56
ildikovjust wanted to clarify if we want to put anything into the Cinder parts20:57
ildikovreading through your comments now so you might already answered this one :)20:57
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openstackgerritIldiko Vancsa proposed openstack/cinder master: Admin guide documentation for volume multiattach  https://review.openstack.org/54004721:09
mriedemildikov: here is the nova doc https://review.openstack.org/54409021:17
ildikovmriedem: nice! thanks21:21
ildikovmriedem: I will read through it tomorrow, it was already a pretty long day21:21
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ildikovmriedem: updated the Cinder side and beyond the known issues part it should be fine21:22
mriedemi left a couple more comments, i'll update it21:22
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mriedemotherwise yeah it's good21:22
ildikovmriedem: I can update that21:24
ildikovwill do it now quickly21:24
ildikovalthough the Nova link won't be available until that doc gets published so that might be a todo until?21:25
ildikovmriedem: ^^21:25
mriedemthe link works21:25
mriedemwe could also add a depends-on if you want to be strict21:25
mriedemby 'works' i mean you don't get a 40421:26
mriedemjust add a depends-on21:26
ildikovah ok, so it doesn't get freaked out if the sub-section is not there21:29
ildikovwill add a Depends-On still21:29
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openstackgerritIldiko Vancsa proposed openstack/cinder master: Admin guide documentation for volume multiattach  https://review.openstack.org/54004721:31
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ildikovmriedem: it's up, whatever else I messed up in it I will fix tomorrow :)21:40
ildikovmriedem: so have a good rest of your day!21:40
mriedemlgtm, o/21:40
ildikovthanks much!21:40
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openstackgerritEric Harney proposed openstack/cinder-tempest-plugin master: Added cinder tempest plugin zuulv3 jobs to execute tempest  https://review.openstack.org/53120621:55
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