openstackgerrit | Merged openstack/puppet-manila master: Prepare Pike metadata https://review.openstack.org/442824 | 00:00 |
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openstackgerrit | Merged openstack/manila master: The python version is added Python 3 and 3.5 version was missing. https://review.openstack.org/442335 | 11:22 |
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tbarron | bswartz: https://review.openstack.org/#/c/441678/ pays off tech debt from that last minute rever-to-snapshot fixing you did at ocata release time | 11:48 |
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openstackgerrit | Jan Provaznik proposed openstack/manila master: User Messages https://review.openstack.org/313549 | 12:20 |
openstackgerrit | Jan Provaznik proposed openstack/manila master: Extend usage of user messages https://review.openstack.org/443101 | 12:20 |
openstackgerrit | Jan Provaznik proposed openstack/manila master: Provide filter name in user messages https://review.openstack.org/443102 | 12:20 |
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openstackgerrit | Jan Provaznik proposed openstack/manila-specs master: Add spec for user messages https://review.openstack.org/434277 | 12:57 |
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openstackgerrit | Andrea Frittoli proposed openstack/manila master: Local copy of scenario test base class https://review.openstack.org/442719 | 13:17 |
kaisers | Hi! I'd like to activate the shrink/extend tests on Quobyte CI which requires a bugfix (https://review.openstack.org/#/c/437501/), i'd be happy to have reviews on this | 13:19 |
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openstackgerrit | Tom Barron proposed openstack/manila master: Rename wrapped methods in share manager https://review.openstack.org/443128 | 13:38 |
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openstackgerrit | Silvan Kaiser proposed openstack/manila master: Send resize parameters in rpc as list in the Quobyte driver https://review.openstack.org/437501 | 13:53 |
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kaisers | bswartz: I added the releasenote at https://review.openstack.org/#/c/437501/4 , thnx | 13:58 |
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openstackgerrit | Tom Barron proposed openstack/manila master: Update share manager share server provisioning https://review.openstack.org/443164 | 15:09 |
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openstackgerrit | Tom Barron proposed openstack/manila master: Update share server provisioning for share groups https://review.openstack.org/443164 | 15:12 |
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mnaser | hi everyone, i'm trying to figure out the source of a bug, mitaka and upgraded to newton trying to get rid of it but its still there | 15:26 |
mnaser | this is a wip deployment but it looks like when a provision fails (generic driver), deleeting it gives this exception: ManilaException: Share server '5d311418-6297-4d91-add4-66e8f6254bfb' does not have backend details. | 15:27 |
mnaser | then the state of the share goes to error_deleting and it becomes indeletable (unless using force-delete). | 15:27 |
mnaser | is there something i have misconfigured where "backend details" are not being added, or is the exception being raised at a point where it causes this problem | 15:27 |
mnaser | (i am getting exception due to the neutron-openvswitch-agent not installed) | 15:27 |
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tbarron | mnaser: seems like a bug where if the share server wasn't provisioned properly on the backend the delete path is failing to gracefully handle that situation. | 17:11 |
tbarron | mnaser: may I ask your plans for use of generic driver with mitaka/newton? | 17:12 |
tbarron | mnaser: is this a learning exercise, or are you thinking of actually using the generic driver in production? | 17:13 |
openstackgerrit | Tom Barron proposed openstack/manila master: Fix python3 pep8 errors https://review.openstack.org/443239 | 17:15 |
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mnaser | tbarron sorry, i was afk, just got back in - looking at using it in prod, is there a reason why one wouldn't? | 17:25 |
mnaser | i feel like the generic driver matches the whole idea behind how things are done in other systems (i.e. sahara, trove, etc) | 17:25 |
mnaser | i am open to push nudged towards a better tested more production-grade selection of the drivers though! | 17:25 |
tbarron | mnaser: solicit other opinions than mine, but I think it is mainly a reference implementation to date. | 17:28 |
mnaser | tbarron interesting to hear, what are the ones you've seen deployed most commonly in that case? | 17:28 |
mnaser | i saw some stuff about containers which seemed interesting | 17:28 |
tbarron | mnaser: container driver is an interesting experiment also :D | 17:30 |
mnaser | in an ideal world | 17:30 |
mnaser | id love to take advantage of our ceph deployment | 17:30 |
tbarron | generic driver at least as implemented thus far uses cinder with lvm backend | 17:30 |
tbarron | container driver uses lvm | 17:31 |
mnaser | well in our case cinder is configured with ceph so its setting up drives on cinder which is on our ceph | 17:31 |
tbarron | both have storage local to the node, not scale-out cloud storage | 17:31 |
tbarron | mnaser: got it | 17:31 |
mnaser | so when manila creates a cinder volume, its a ceph rbd volume, but then we're introducing so much layers of complexity | 17:31 |
tbarron | mnaser: so have you looked at all at the manila native cephfs driver? | 17:32 |
mnaser | rados -> rbd -> cinder -> vm -> nfs .. i havent looked at the cephfs driver but this is a multitenant environment so a concern is how it handles access | 17:32 |
tbarron | mnaser: right, that's the downside of the native cephfs driver (multitenancy) | 17:32 |
tbarron | your compute nodes have to have access to the storage (ceph public) network | 17:33 |
mnaser | which brings us back to the generic seemingly the most "fits easily within existing environment" choice :( | 17:33 |
mnaser | compute nodes accessing ceph is ok, but i guess you mean VMs which is not something that seems interesting | 17:33 |
tbarron | mnaser: sounds like you are a good candidate for upcoming work on cephfs driver with nfs frontend | 17:33 |
tbarron | mnaser: yeah s/compute instances(vms)/compute nodes/ I misspoke | 17:34 |
mnaser | tbarron: also from a user perspective, i think nfs exports are way better than ceph exports | 17:34 |
mnaser | especially because when you start having clients with all sorts of versions... it limits your ability to upgrade as people run older kernels | 17:34 |
tbarron | mnaser: so I don't have a good answer for you today, but your use case validates work in progress ... | 17:35 |
tbarron | mnaser: for today, I understand why you are doing generic/cinder/ceph driver, but its complexity, esp. | 17:36 |
mnaser | tbarron .. i agree, perhaps adopting heat might remove a lot of those complexities, i know it helped on sahara | 17:37 |
tbarron | its complexity and arguable lack of robustness leads us to look at getting to a similar place in a different way. | 17:37 |
mnaser | because by deploying stacks you dont have to worry about the robostness of deployment/etc | 17:38 |
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tbarron | mnaser: interesting idea, though dependence of generic driver on all those other OpenStack compoenents has been problematic enough that folks may be reluctant to add one more. | 17:39 |
mnaser | tbarron that's true, it was something that bothered us a lot when we setup sahara because we didn't have heat at the time | 17:39 |
mnaser | buut i much rather have components working together rather than doing things on their own (and i think heat can be trusted in resource deployment by now, its proven itself for quite sometime) | 17:40 |
tbarron | mnaser: ack, but my own energies are going to nfs frontend on cephfs w/o cinder provisioning in the middle. | 17:42 |
mnaser | if only i had spare time id love to contribute something that uses heat as a deployment engine but unfortunately time constraints :( | 17:43 |
tbarron | mnaser: if I had a doppelganger I could work on improving generic driver in parallel ... | 17:43 |
mnaser | tbarron: im looking for a way to get more time in a day! | 17:44 |
tbarron | mnaser: :D | 17:44 |
mnaser | tbarron thanks for your thoughts and the chat! | 17:45 |
tbarron | mnaser: well, thanks for indulging me. If you learn of production deployments using generic driver I'd appreciate hearing about them. As I say, others here may know more on that front than I do. | 17:47 |
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openstackgerrit | Merged openstack/manila master: Fix python3 pep8 errors https://review.openstack.org/443239 | 20:24 |
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openstackgerrit | Tom Barron proposed openstack/manila master: Change CG variables to SG variables https://review.openstack.org/443325 | 21:21 |
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