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| openstackgerrit | Brendan Shephard proposed openstack/cinder master: Remove references to directly editing files in /usr/share/openstack-tripleo-heat-templates https://review.opendev.org/688023 | 01:11 |
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| openstackgerrit | Merged openstack/cinder master: Fix missing print format in log messages https://review.opendev.org/683839 | 05:59 |
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| openstackgerrit | SandStone Storage CI proposed openstack/cinder master: Add sandstone iscsi driver. https://review.opendev.org/685271 | 10:35 |
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| vprokofev | hello. is there any place where i can find a logic flowchart or some other representation(preferably graphical) of a cinder-backup ceph driver implementation? because currently cinder-backup ceph driver is unusable, and i'm trying to figure out if it works as it is because of some compatibility issues with other cinder backend drivers, or just it's | 12:01 |
| vprokofev | logic is flawed | 12:01 |
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| openstackgerrit | Peter Penchev proposed openstack/cinder master: StorPool driver: implement revert_to_snapshot. https://review.opendev.org/680889 | 12:08 |
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| smcginnis | vbelko: Probably the only thing that has changed since when the driver was in-tree before is that it is now a requirement that the CI run the services under Python 3.7. | 12:13 |
| smcginnis | vbelko: Otherwise the normal stuff still applies - https://wiki.openstack.org/wiki/Cinder/how-to-contribute-a-driver | 12:13 |
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| vbelko | okay,then i'll ensure server is online and requirements are met and when i'm done return to the channel | 12:14 |
| vbelko | thanks for help | 12:14 |
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| smcginnis | No problem. Ask here if you run into any questions. Others have been through the process before and can hopefully help. | 12:15 |
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| Roamer` | smcginnis, thanks (a bit belatedly) for your review of https://review.opendev.org/680889; I mentioned this in the reply that I just sent, but what identifiers did you have in mind when you asked whether recreating a StorPool volume from its snapshot would preserve them? | 12:21 |
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| smcginnis | Roamer`: I meant the volume serial number and any IQN/WWN for it. This revert can be used to quickly get an instance back to a certain state. That instance may have internal references to the volume that would change if an entirely new volume is created. | 13:05 |
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| Roamer` | smcginnis, I'm not sure what you mean by "serial number" - the internal StorPool volume name will be the same, since it is generated from the same OpenStack volume ID. Any IQNs and WWNs should also be the same, since they are all generated from the OpenStack volume ID, AFAIK. | 13:09 |
| Roamer` | smcginnis, but let me just get this straight - I hope that you are not saying that someone may try to revert a volume while it is actually attached somewhere? (see my comment about the recipe for data corruption because of the OS cache) | 13:09 |
| smcginnis | No, not while it's attached. | 13:09 |
| smcginnis | Volumes must be detached to revert. | 13:10 |
| Roamer` | *phew* | 13:10 |
| smcginnis | But that doesn't mean they can't reattach the volume to an instance that has references to its hardware serial number. | 13:10 |
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| Roamer` | anything exposed by the driver to OpenStack will remain the same | 13:11 |
| smcginnis | Most systems I am aware of report that based on the internal volume ID or something other than the name of the volume, so typically I think creating a new volume ends up being reported as a different volume than the original. | 13:11 |
| smcginnis | If something like the output of lsscsi does not change, then you are fine. I just haven't personally used any storage that doesn't report a different SCSI serial number when creating a new volume, even when it has the same content. | 13:12 |
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| simondodsley | can someone review https://review.opendev.org/#/c/686197/ for a workflow please? | 13:13 |
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| Roamer` | smcginnis, hm. OK. Woof. iSCSI. The truth is that StorPool did not expose anything via iSCSI until now (officially, at least), but we have something that runs at a customer's installation that does add it, and I was going to submit it as a new feature to the Cinder StorPool driver later this week (I still will)... so *for the present* revert to snapshot can be done by recreating, but in three | 13:27 |
| Roamer` | days' time it will not work any more :) We just talked it over with the team here, it will involve a new StorPool API call, but you're right, this version will not work, thanks! :) | 13:28 |
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| smcginnis | Roamer`: Glad to make you aware of it then! :) Sounds good for now - I don't think we need to hold the patch on that if you want to proceed as is and just update how things work later. | 13:32 |
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| Roamer` | smcginnis, thanks for this suggestion, but I think it would be better to get it right from the start. | 13:35 |
| smcginnis | Sounds good then. Thanks! | 13:35 |
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| openstackgerrit | Ivan Kolodyazhny proposed openstack/cinder master: Move get_volume_stats impl to the base volume driver https://review.opendev.org/656888 | 20:25 |
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| openstackgerrit | Merged openstack/cinder stable/pike: Add retry to LVM deactivation https://review.opendev.org/686572 | 20:56 |
| openstackgerrit | Merged openstack/cinder stable/queens: Add context to cloning snapshots in remotefs driver https://review.opendev.org/688131 | 20:56 |
| openstackgerrit | Merged openstack/cinder stable/stein: Make backup_compression_algorithm case insensitive https://review.opendev.org/687148 | 20:56 |
| openstackgerrit | Merged openstack/cinder stable/stein: VNX: delete the LUN from VNX backend https://review.opendev.org/687147 | 20:56 |
| openstackgerrit | Merged openstack/cinder master: api-ref: add metadata parameter in the response of create-backup https://review.opendev.org/676366 | 20:56 |
| openstackgerrit | Merged openstack/cinder master: Pure: Ensure generated volume name does not exceed 63 characters https://review.opendev.org/686197 | 20:56 |
| openstackgerrit | Merged openstack/cinder master: Add reference to LP bug in configuration doc readme https://review.opendev.org/687888 | 20:56 |
| openstackgerrit | Merged openstack/cinder master: Fix pylint env for ancient versions of git https://review.opendev.org/681286 | 20:57 |
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| openstackgerrit | Simon Dodsley proposed openstack/cinder stable/train: Pure: Ensure generated volume name does not exceed 63 characters https://review.opendev.org/688572 | 21:08 |
| openstackgerrit | Simon Dodsley proposed openstack/cinder stable/stein: Pure: Ensure generated volume name does not exceed 63 characters https://review.opendev.org/688573 | 21:08 |
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| openstackgerrit | Ivan Kolodyazhny proposed openstack/cinder master: Move get_volume_stats impl to the base volume driver https://review.opendev.org/656888 | 21:32 |
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