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| openstackgerrit | melanie witt proposed openstack/cinder master: DNM c-bak: Add --debug-rbd=20 to ceph driver to debug multinode failure https://review.opendev.org/c/openstack/cinder/+/770644 | 01:17 |
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| openstackgerrit | yangheng proposed openstack/cinder master: Add Cinder driver for TOYOU ACS5000 https://review.opendev.org/c/openstack/cinder/+/767290 | 01:58 |
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| openstackgerrit | yangheng proposed openstack/cinder master: Add Cinder driver for TOYOU ACS5000 https://review.opendev.org/c/openstack/cinder/+/767290 | 02:32 |
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| openstackgerrit | melanie witt proposed openstack/devstack-plugin-ceph master: DNM debug logging https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/770697 | 02:48 |
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| whoami-rajat__ | rosmaita: the l-c patch is showing progress, i will merge it and update the release patch | 04:24 |
| rosmaita | whoami-rajat__: thanks! | 04:25 |
| whoami-rajat__ | thanks for looking after it for so long, i see it's really late for you | 04:27 |
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| openstackgerrit | melanie witt proposed openstack/devstack-plugin-ceph master: DNM debug logging https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/770697 | 05:12 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/cinder master: Imported Translations from Zanata https://review.opendev.org/c/openstack/cinder/+/770717 | 06:16 |
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| openstackgerrit | melanie witt proposed openstack/devstack-plugin-ceph master: DNM debug logging https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/770697 | 06:55 |
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| openstackgerrit | melanie witt proposed openstack/cinder master: DNM c-bak: Add --debug-rbd=20 to ceph driver to debug multinode failure https://review.opendev.org/c/openstack/cinder/+/770644 | 07:00 |
| openstackgerrit | melanie witt proposed openstack/cinder master: DNM c-bak: Add --debug-rbd=20 to ceph driver to debug multinode failure https://review.opendev.org/c/openstack/cinder/+/770644 | 07:00 |
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| openstackgerrit | Merged openstack/cinderlib master: Update requirements and lower-constraints https://review.opendev.org/c/openstack/cinderlib/+/768533 | 08:25 |
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| openstackgerrit | Masahiro Okuri proposed openstack/cinder master: created s3 cinder backup driver https://review.opendev.org/c/openstack/cinder/+/746561 | 08:52 |
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| openstackgerrit | Xuan Yandong proposed openstack/os-brick master: Remove six https://review.opendev.org/c/openstack/os-brick/+/754598 | 09:19 |
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| openstackgerrit | yangheng proposed openstack/cinder master: Add Cinder driver for TOYOU ACS5000 https://review.opendev.org/c/openstack/cinder/+/767290 | 10:18 |
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| zenkuro | hi everybody, I have a question related to patches, what is a deadline for minor fixes and improvements? everybody is talking about merging driver contributors and not paying attention to others | 11:11 |
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| openstackgerrit | Gorka Eguileor proposed openstack/cinder master: HPMSA: Report SAN driver options https://review.opendev.org/c/openstack/cinder/+/770807 | 13:14 |
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| smcginnis | zenkuro: Bugfixes and minor patches have until the RC1 deadline. Basically. So there's still some time there. | 13:22 |
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| openstackgerrit | Lee Yarwood proposed openstack/devstack-plugin-ceph master: WIP zuul: Introduce a multinode ceph job https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/711625 | 13:27 |
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| openstackgerrit | Christian Rohmann proposed openstack/cinder master: Add support for RBD fast-diff feature for images stored in Ceph https://review.opendev.org/c/openstack/cinder/+/766856 | 13:32 |
| openstackgerrit | Rafael Weingartner proposed openstack/cinder master: Introduces MV to add volume type ID in volumes details https://review.opendev.org/c/openstack/cinder/+/666886 | 13:35 |
| openstackgerrit | OpenStack Release Bot proposed openstack/cinderlib stable/victoria: Update .gitreview for stable/victoria https://review.opendev.org/c/openstack/cinderlib/+/770810 | 13:46 |
| openstackgerrit | OpenStack Release Bot proposed openstack/cinderlib stable/victoria: Update TOX_CONSTRAINTS_FILE for stable/victoria https://review.opendev.org/c/openstack/cinderlib/+/770811 | 13:46 |
| openstackgerrit | OpenStack Release Bot proposed openstack/cinderlib master: Update master for stable/victoria https://review.opendev.org/c/openstack/cinderlib/+/770812 | 13:46 |
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| openstackgerrit | Elod Illes proposed openstack/cinder stable/stein: [stable-only] Cap bandit and fix lower-constrains https://review.opendev.org/c/openstack/cinder/+/770816 | 14:17 |
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| openstackgerrit | Walt proposed openstack/cinder master: Add ceph iscsi volume driver https://review.opendev.org/c/openstack/cinder/+/662829 | 15:13 |
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| simondodsley | Could I get a Workflow vote from one of the Cores for https://review.opendev.org/c/openstack/cinder/+/763564 please? | 15:53 |
| geguileo | simondodsley: done | 16:03 |
| simondodsley | geguileo: Thanks | 16:03 |
| geguileo | np | 16:03 |
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| openstackgerrit | Eric Harney proposed openstack/cinder master: Label temporary files created by image_utils https://review.opendev.org/c/openstack/cinder/+/770831 | 16:12 |
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| rosmaita | cinderlib 3.0.0 has been released! | 16:26 |
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| tosky | \o/ | 16:28 |
| hemna | rosmaita w00t | 16:37 |
| MrClayPole | Hi, I'm starting out in openstack and have a question. I'm guessing cinder act as a proxy for storage such as when local LVM is used, but when ceph or iscsi is used is the storage mapped directly to nova? | 16:38 |
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| openstackgerrit | Lee Yarwood proposed openstack/devstack-plugin-ceph master: nova: Make configure_ceph_nova multinode compatible https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/756323 | 16:48 |
| openstackgerrit | Lee Yarwood proposed openstack/devstack-plugin-ceph master: zuul: Introduce a multinode ceph job https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/711625 | 16:48 |
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| geguileo | MrClayPole: You can think of Cinder as a management layer for the storage that abstracts the specifics of how the storage operates | 16:58 |
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| geguileo | MrClayPole: The operation is the same for LVM as it is for an external iSCSI array | 16:59 |
| geguileo | MrClayPole: When Nova wants to attach a volume to an instance it asks Cinder to do it, then Cinder will ask the driver to export and map the volume to the Nova host | 16:59 |
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| geguileo | MrClayPole: But there are some operations where the mapping is done to the Cinder host instead. For example when creating a volume from an image, where Cinder creates a new volume, downloads the Glance image to the host, then attaches the volume, and finally copies the image into it. | 17:01 |
| geguileo | hope that helps | 17:01 |
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| CeeMac | geguileo: is that still the case where glance is configured to use volume backed images | 17:10 |
| CeeMac | or does that operation you describe then occur on the glance server instead? | 17:11 |
| geguileo | CeeMac: In that case Glance would also do the same process | 17:11 |
| CeeMac | i seem to recall glance using oc-brick to initiate storage calls over iscsi to the iSCSI array | 17:11 |
| geguileo | it would ask cinder to export and map, and then glance would use os-brick to attach the volume | 17:11 |
| CeeMac | s/oc-brick/os-brick | 17:11 |
| geguileo | CeeMac: everyone that uses cinder volumes will use os-brick to do the local attachment | 17:12 |
| CeeMac | ah, cool, ok | 17:12 |
| geguileo | but for the volume to be mapped and exported the call needs to go to Cinder | 17:12 |
| geguileo | because Cinder is the only one that has access to the storage management network | 17:12 |
| CeeMac | and that is called based on the 'volume service' backend pool from a storage node perspective? | 17:12 |
| geguileo | the os-brick connections would go through the storage data network | 17:13 |
| CeeMac | or to put it another way, is it the cinder-volume service that is handling that? | 17:13 |
| geguileo | CeeMac: handling what? | 17:13 |
| geguileo | the export & map | 17:13 |
| CeeMac | yes | 17:13 |
| geguileo | yes | 17:13 |
| geguileo | Cinder receives the request, changes its internal DB records, calls the driver to do the operation, etc | 17:13 |
| CeeMac | and that would be based on the associated volume storage backend pool for the required volume | 17:14 |
| geguileo | and it's the driver running in Cinder the one that actually knows how to talk to the storage array | 17:14 |
| geguileo | CeeMac: yes | 17:14 |
| CeeMac | ok, thanks | 17:14 |
| geguileo | np | 17:14 |
| MrClayPole | geguileo: CeeMac: Thanks to you both. I feel like I understand it better now | 17:15 |
| geguileo | glad it helped more people :-) | 17:15 |
| CeeMac | finally, in order to move that process to a different volume service backend pool, one would need to perform a volume migration to the required backend pool? in terms of storage node maintenance? | 17:15 |
| CeeMac | geguileo: from an architecture perspective, where cinder is using a block storage driver for an external iscsi array, is there much overhead required for the cinder-volume service from a ram/cpu perspective? | 17:19 |
| CeeMac | could you move cinder-volume to an infra/control node for instance rather than have a dedicated storage node or converged compute/storage node | 17:20 |
| CeeMac | or is that just moving the storage node maintenance requirements somewhere else? | 17:20 |
| geguileo | CeeMac: It all depends on how you configure everything | 17:20 |
| CeeMac | haha yeah, true | 17:20 |
| geguileo | CeeMac: Will there be a cinder-backup service? | 17:21 |
| CeeMac | just trying to work through some scenarios | 17:21 |
| CeeMac | not currently | 17:21 |
| CeeMac | or replication | 17:21 |
| geguileo | then that reduces the CPU and RAM requirements | 17:21 |
| geguileo | then the data network usage depends on how you configure to use Cinder and Glance | 17:21 |
| geguileo | where you store your Glance images, etc | 17:22 |
| CeeMac | are storage migration operations particularly costly? or does that depend on how the driver implements the migration for offload to the array etc? | 17:22 |
| geguileo | CeeMac: how they are done depends on whether they are online or offline | 17:22 |
| geguileo | if the volumes are online they will be performed by Nova, so same as if it was not hyperconverged | 17:23 |
| CeeMac | ah, of course | 17:23 |
| CeeMac | and of it was offline? | 17:24 |
| CeeMac | i guess you're just copying blocks over the network right? | 17:24 |
| geguileo | depends on where are you moving it to | 17:25 |
| geguileo | if you are moving it between arrays from the same vendor it may be different | 17:25 |
| CeeMac | between cinder-volume pools on different physical nodes | 17:25 |
| CeeMac | attached to the same array | 17:25 |
| geguileo | because some vendors have ways to tell their arrays to copy the data without going through the Cinder node | 17:25 |
| CeeMac | yes i saw that, i need to chase my vendor about that actually | 17:26 |
| geguileo | oh, it it's different pools on the same system then most drivers have ways to do it without going through Cinder | 17:26 |
| geguileo | yeah, you need to confirm if they support it or if they can in the future | 17:26 |
| CeeMac | cool, thats what i thought | 17:26 |
| CeeMac | am i right in thinking, with an external storage array, rebooting the node that is running cinder-volume service wouldn't impact the volume attachments for running instances on the compute node, you just wouldn't be able to perform any operations against the managed volumes until the node and service was back online? | 17:27 |
| geguileo | CeeMac: correct | 17:30 |
| geguileo | CeeMac: that's why the LVM driver is not recommended for production | 17:31 |
| geguileo | CeeMac: If you deploy Cinder as Active-Passive under pacemaker then other node will become active and those operations can be completed by the other node | 17:31 |
| CeeMac | geguileo: oh, thats a thing no? last I checked i thought cinder couldn't be ha | 17:32 |
| CeeMac | thats cinder-volume you're talking about right? | 17:32 |
| geguileo | HA can be Active-Passive and Active-Active | 17:33 |
| geguileo | yes, for Cinder-Volume | 17:33 |
| geguileo | which is the one that actually talks to the storage array | 17:33 |
| CeeMac | what release was that introduced? | 17:33 |
| CeeMac | i'll need to do some more reading! | 17:33 |
| geguileo | CeeMac: what was introduced? | 17:33 |
| geguileo | Active-Passive? Since forever | 17:34 |
| geguileo | Active-Active is driver dependent | 17:34 |
| CeeMac | oh, ok, i must have misread then | 17:34 |
| CeeMac | i'll go check my notes | 17:34 |
| CeeMac | thanks again geguileo that's been very instructive :) | 17:34 |
| geguileo | np | 17:35 |
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| openstackgerrit | Chris M proposed openstack/cinder master: Add driver for Dell EMC PowerVault ME Series https://review.opendev.org/c/openstack/cinder/+/758684 | 18:16 |
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| shubjero | Hey gang. I am trying to resolve a couple deprecation warnings in my /etc/apache2/cinder_error.log. The first one is "/usr/lib/python3/dist-packages/oslo_context/context.py:108: DeprecationWarning: Policy enforcement is depending on the value of is_admin. This key is deprecated. Please update your policy file to use the standard policy values." | 20:18 |
| shubjero | I'm not sure how to resolve this considering there is no /etc/cinder/policy.json anymore (I'm on OpenStack Train) as Cinder is supposed to ship with "sane defaults". | 20:18 |
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| rosmaita | shubjero: you can just ignore it | 20:19 |
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| shubjero | rosmaita: Yeah, I was hoping to stop it from happening since it's causing quite the churn on logging. | 20:19 |
| shubjero | At the very least I've excluded that string from being sent to our elk stack through filebeat exclusions. | 20:20 |
| shubjero | The second Deprecation warning is "/usr/lib/python3/dist-packages/webob/acceptparse.py:1051: DeprecationWarning: The behavior of AcceptValidHeader.best_match is currently being maintained for backward compatibility, but it will be deprecated in the future, as it does not conform to the RFC." | 20:20 |
| rosmaita | yeah, nothing you can do about that one either | 20:22 |
| rosmaita | they will be addressed in future releases | 20:22 |
| shubjero | rosmaita: Thank you very much for your response. I also posted to the openstack mailing list so perhaps I'll just reply to myself saying safe to ignore :) | 20:23 |
| rosmaita | i will have to follow up on those, i thought we had addressed the webob acceptparse problem, but maybe not | 20:25 |
| shubjero | Well, This is OpenStack Train so I'm behind by several releases now | 20:25 |
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| openstackgerrit | Eric Harney proposed openstack/cinder master: WIP: Write temp files for glance images w/ sparseness https://review.opendev.org/c/openstack/cinder/+/770868 | 21:24 |
| openstackgerrit | Eric Harney proposed openstack/cinder master: WIP: Write temp files for glance images w/ sparseness https://review.opendev.org/c/openstack/cinder/+/770868 | 21:27 |
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| openstackgerrit | Merged openstack/cinder master: LVM: Use --readonly for lvs https://review.opendev.org/c/openstack/cinder/+/769552 | 23:08 |
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