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| openstackgerrit | wanghao proposed openstack/cinder: Notification with volume and snapshot metadata https://review.openstack.org/180400 | 03:04 |
|---|---|---|
| wanghao | ping xing-yang | 03:05 |
| wanghao | hi~ I had to rebase this patch(Notification with volume and snapshot metadata https://review.openstack.org/180400) before it merged. Would you help +2 again? Thank your for that. | 03:06 |
| wanghao | DuncanT: Need your help to +2 too :) | 03:08 |
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| openstackgerrit | wanghao proposed openstack/cinder: Support for force-delete backups https://review.openstack.org/166127 | 03:14 |
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| openstackgerrit | xing-yang proposed openstack/cinder: Fix issues with extra specs in VMAX driver https://review.openstack.org/169999 | 03:35 |
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| openstackgerrit | xing-yang proposed openstack/cinder: EMC VMAX Manage/Unmanage Volume https://review.openstack.org/182460 | 03:41 |
| openstackgerrit | wanghao proposed openstack/cinder: query volume detail support volume_glance_metadata https://review.openstack.org/147738 | 03:42 |
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| openstackgerrit | xing-yang proposed openstack/cinder: EMC VMAX Manage/Unmanage Volume https://review.openstack.org/182460 | 03:57 |
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| openstackgerrit | Liu Xinguo proposed openstack/cinder: Brocade driver not parsing zone data correctly https://review.openstack.org/184458 | 04:08 |
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| openstackgerrit | Rick Chen proposed openstack/cinder: Prophetstor driver needs to return snapshot objects for create_cgsnapshot and delete_cgsnapshot https://review.openstack.org/185495 | 04:49 |
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| openstackgerrit | Kazumasa Nomura proposed openstack/cinder: Volume driver for HP XP storage https://review.openstack.org/184774 | 05:09 |
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| openstackgerrit | Sean Chen proposed openstack/cinder: Tintri Cinder Volume driver https://review.openstack.org/185148 | 06:15 |
| openstackgerrit | Rick Chen proposed openstack/cinder: Prophetstor driver needs to return snapshot objects for create_cgsnapshot and delete_cgsnapshot https://review.openstack.org/185495 | 06:16 |
| openstackgerrit | wanghao proposed openstack/cinder: Notification with volume and snapshot metadata https://review.openstack.org/180400 | 06:17 |
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| openstackgerrit | Liu Xinguo proposed openstack/cinder: Brocade driver not parsing zone data correctly https://review.openstack.org/184458 | 06:43 |
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| openstackgerrit | wanghao proposed openstack/cinder: Notification with volume and snapshot metadata https://review.openstack.org/180400 | 07:50 |
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| openstackgerrit | wanghao proposed openstack/cinder: Notify the transfer volume action in cinder https://review.openstack.org/185531 | 08:25 |
| openstackgerrit | Michal Dulko proposed openstack/cinder: Service object https://review.openstack.org/160417 | 08:33 |
| openstackgerrit | Michal Dulko proposed openstack/cinder: Backup object https://review.openstack.org/157085 | 08:33 |
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| openstackgerrit | Michal Dulko proposed openstack/cinder: Backup object https://review.openstack.org/157085 | 08:44 |
| openstackgerrit | Michal Dulko proposed openstack/cinder: Service object https://review.openstack.org/160417 | 08:44 |
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| openstackgerrit | Liu Xinguo proposed openstack/cinder: Fix the ranges in RestURL with Huawei drivers https://review.openstack.org/173157 | 09:02 |
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| openstackgerrit | Liu Xinguo proposed openstack/cinder: Fix the ranges in RestURL with Huawei drivers https://review.openstack.org/173157 | 09:17 |
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| gcivitella | Hi all, I've got a question about QoS definition. I have these QoS on a Cinder installation: http://paste.openstack.org/show/237432/ At the moment only the volumes with Archive QoS are actually rate limited. All the volumes associated with the other QoS values allow very high I/O rates. The only difference I can see is the consumer definition: front-end for the working QoS, back-end for the QoS not rate limited. Can someone explain the | 09:31 |
| gcivitella | difference between the two consumer? | 09:31 |
| openstackgerrit | wanghao proposed openstack/cinder: Fix weird change of volume status in re-scheduling https://review.openstack.org/185545 | 09:33 |
| openstackgerrit | Rick Chen proposed openstack/cinder: Prophetstor driver needs to return snapshot objects for create_cgsnapshot and delete_cgsnapshot https://review.openstack.org/185495 | 09:34 |
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| openstackgerrit | wanghao proposed openstack/cinder: Notify the transfer volume action in cinder https://review.openstack.org/185531 | 11:02 |
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| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Fix backup metadata import missing fields https://review.openstack.org/183222 | 11:40 |
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| openstackgerrit | wanghao proposed openstack/cinder: Fix weird change of volume status in re-scheduling https://review.openstack.org/185545 | 11:58 |
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| DuncanT | gcivitella: Backend rate limit only works on a few backends | 12:19 |
| gcivitella | DuncanT: is there any documentation about this? | 12:20 |
| DuncanT | gcivitella: No idea, sorry | 12:21 |
| DuncanT | gcivitella: Frontend rate limiting only works on some hypervisors (KVM is the only one I know for sure works) | 12:22 |
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| DuncanT | gcivitella: Backend only works on some backends, solidfire for sure | 12:22 |
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| gcivitella | DuncanT: my backend is Ceph. I guess I just need to change back-end with front-end in my QoS definition. Thanks a lot | 12:24 |
| DuncanT | gcivitella: I can't see any evidence that Ceph can consume QoS, so I don't think it can work | 12:27 |
| DuncanT | gcivitella: Front-end will work if you're using KVM though | 12:27 |
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| openstackgerrit | wangxiyuan proposed openstack/cinder: Fix wrong response with version details https://review.openstack.org/185570 | 12:30 |
| gcivitella | DuncanT: in fact Ceph does not implement any rate limit so it is not suitable as back-end. And yes I use KVM, so moving QoS on a front-end consumer should allow me to implement rate limiting on the hypervisor's side | 12:31 |
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| wanghao | DuncanT & gcivitella: If we can query the backend's support for QoS, this issue may be easy to figure out. | 12:45 |
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| DuncanT | wanghao: Agreed. It is none-trivial though, since a type can map to multiple backends | 12:51 |
| DuncanT | wanghao: Well defined capabilities includes info on QoS support, so that part is on the way | 12:52 |
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| openstackgerrit | Anton Arefiev proposed openstack/cinder: Add entry create and cast tasks to manage workflow https://review.openstack.org/139071 | 14:29 |
| openstackgerrit | Anton Arefiev proposed openstack/cinder: Fix lvm manage existing volume https://review.openstack.org/156939 | 14:29 |
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| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Fix backup metadata import missing fields https://review.openstack.org/183222 | 14:41 |
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| openstackgerrit | Szymon Wróblewski proposed openstack/cinder: POC: Tooz locks https://review.openstack.org/183537 | 14:44 |
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| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Display NOTIFICATIONS on assert failure https://review.openstack.org/185635 | 14:55 |
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| jgriffith | mtanino: yeah, was there a problem on that? | 15:17 |
| mtanino | jgriffith: hi | 15:18 |
| jgriffith | mtanino: hey there | 15:18 |
| mtanino | jgriffith: so, about this one, right? https://review.openstack.org/#/c/183633/ | 15:19 |
| jgriffith | mtanino: yeah | 15:19 |
| mtanino | jgriffith: In my understanding, this option always enable conv=sparce for volume migration using dd command. | 15:20 |
| hemna | mornin | 15:21 |
| jgriffith | mtanino: actually I think it sets it to False unless a driver overrides it | 15:21 |
| jgriffith | mtanino: the base driver class sets it False | 15:21 |
| jgriffith | mtanino: the LVM driver (and others on the iscsi side) don't know anything about the option yet | 15:21 |
| mtanino | jgriffith: If both source and dest volume are NFS backend, I think it's OK because both of thier volume is zero cleared before hand, right? | 15:21 |
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| mtanino | jgriffith: But if source is NFS and dest is other backend such as Thick LVM who doesn't initialize volume beforehand, | 15:22 |
| openstackgerrit | xing-yang proposed openstack/cinder: EMC ScaleIO Cinder Driver https://review.openstack.org/183762 | 15:22 |
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| mtanino | we have to do full block copy from NFS to Thick LVM(or other backend who doesn't initialize a volume beforehand) | 15:23 |
| jgriffith | mtanino: hmm, not sure | 15:25 |
| jgriffith | mtanino: I thought that the call to copy for the actual destination was the only applicable point there | 15:25 |
| jgriffith | mtanino: and we don't pass that in on the other items that I am aware of | 15:26 |
| jgriffith | mtanino: but to be honest, I don't know a lot about the NFS based drivers | 15:26 |
| jgriffith | :( | 15:26 |
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| jgriffith | mtanino: let alone migrating between them | 15:26 |
| openstackgerrit | Szymon Wróblewski proposed openstack/cinder: Tooz locks https://review.openstack.org/183537 | 15:26 |
| mtanino | jgriffith: so, for example, | 15:26 |
| mtanino | we can use sparce option from source thin LVM to dest thin LVM, right? | 15:27 |
| mtanino | sparse | 15:27 |
| mtanino | if we have an such kind option in the LVM backend. | 15:27 |
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| jgriffith | mtanino: yeah, but currently we don't IIRC | 15:28 |
| mtanino | yes | 15:28 |
| mtanino | but if we migrate from source thin LVM to thick LVM, we don't use sparse option becuase volume ofthick LVM might not be initialiezed | 15:28 |
| jgriffith | mtanino: sure | 15:29 |
| mtanino | so, DuncanT said we should ask destination driver for thier copy strategy before volume migration | 15:30 |
| mtanino | at the summit session. | 15:30 |
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| jgriffith | ok.. sorry, I may have missed that conversation | 15:30 |
| jgriffith | think I was late for that session | 15:30 |
| mtanino | I think so :) | 15:30 |
| mtanino | jgriffith: https://etherpad.openstack.org/p/volume-migration-improvement | 15:31 |
| mtanino | Duncan: Driver shall report the suggested strategy. That's a MUST: If I have a file that includes a lot of data, and it gets sparsely copied, I might get back wrong data after the migration! | 15:31 |
| mtanino | Back to the discuttion of https://review.openstack.org/#/c/183633/ , | 15:32 |
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| mtanino | this patch decides copy strategy by SOURCE DRIVER, not asking DESTINATION DRIVER. | 15:32 |
| jgriffith | mtanino: :) | 15:32 |
| mtanino | this is my concern :( | 15:33 |
| mtanino | make sense? | 15:33 |
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| jgriffith | mtanino: yeah, kinda | 15:34 |
| mtanino | so, I'm proposing BP :) https://blueprints.launchpad.net/cinder/+spec/efficient-volume-copy-for-cinder-assisted-migration | 15:35 |
| mtanino | asking capability of volume pre-initialization(zero-clear) to destination driver before volume migration :) | 15:36 |
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| openstackgerrit | Tom Swanson proposed openstack/cinder: Dell: Added verify cert option for REST calls https://review.openstack.org/182396 | 15:39 |
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| openstackgerrit | Szymon Wróblewski proposed openstack/cinder: Tooz locks https://review.openstack.org/183537 | 15:40 |
| openstackgerrit | Szymon Wróblewski proposed openstack/cinder: POC: Tooz locks demo https://review.openstack.org/185646 | 15:40 |
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| jgriffith | mtanino: BTW, I'm slightly confused by the proposal there | 16:13 |
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| jgriffith | mtanino: so there's already currenlty a call to the source... but you're saying you want a call to the destination as well? | 16:13 |
| jgriffith | mtanino: it seems like that's kinda cumbersome... | 16:13 |
| jgriffith | mtanino: also it seems like that's the sort of thing the scheduler could determine based on capability reporting | 16:14 |
| mtanino | jgriffith: Just asking copy option to the destination volume, and then start a copy from source driver. | 16:14 |
| mtanino | destination driver. | 16:14 |
| mtanino | jgriffith: Yes, so I think we need to add the capability to the scheduler. | 16:14 |
| jgriffith | mtanino: yeah, I get that... makes sense; but wonder if that should be determined by scheduler/capa | 16:14 |
| jgriffith | mtanino: :) never mind, we're on same page :) | 16:15 |
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| jgriffith | mtanino: thanks | 16:15 |
| mtanino | I got it! | 16:15 |
| mtanino | Thanks! | 16:15 |
| mtanino | jgriffith: so we need to discuss the specification at Cinder spec. | 16:16 |
| mtanino | Using scheduler/capa is ok or not. | 16:16 |
| jgriffith | mtanino: IMO that's where it belongs, with a default set by base driver | 16:17 |
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| jgriffith | mtanino: I don't know if that should be folded in to the existing spec for cabability reporting | 16:17 |
| mtanino | I agee on it | 16:17 |
| jgriffith | mtanino: I think it probably should | 16:17 |
| jgriffith | mtanino: so hopefully thingee is going to hammer that out this week, and we can add this to it as well | 16:18 |
| mtanino | jgriffith: I need to ask thingee about adding this as an additional capability. | 16:19 |
| mtanino | for well-defined capability | 16:19 |
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| jgriffith | mtanino: yep, that sounds perfect | 16:25 |
| mtanino | jgriffith: :) | 16:25 |
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| mtanino | and then, add an feature into LVM for a reference and reimplement NFS driver using it. | 16:27 |
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| openstackgerrit | Anton Arefiev proposed openstack/python-cinderclient: Fix functional readonly_cli tests https://review.openstack.org/185660 | 16:29 |
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| aarefiev | jgriffith: hi | 16:31 |
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| Swanson | jgriffith: Was thinking about replication. Specifically what infrastructure I need to build to support it. I'm assuming something to start it, pause it, delete it and some form of createvolumefromreplication function. | 16:35 |
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| hemna | thingee, ping | 16:42 |
| hemna | thingee, can you remove the -2 on these 2 for me? https://review.openstack.org/#/c/144389/ https://review.openstack.org/#/c/144384/ | 16:43 |
| thingee | hemna: I'll be around in an hour. | 16:44 |
| hemna | thingee, no hurry. thanks man. | 16:44 |
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| Swanson | hemna: any further thots on this one? https://review.openstack.org/#/c/182760/ | 16:45 |
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| hemna | Swanson, so sure. | 16:49 |
| hemna | the default should be populating target_portal | 16:49 |
| hemna | your your array sends back multiple targets in an iscsi sendtargets query, then you'll be ok and you'll still get multipath working. | 16:50 |
| hemna | but I think this patch is for alternate portals no? | 16:50 |
| hemna | so if that's the case, then populating target_portal as well as target_portals should work. | 16:50 |
| hemna | nova will ignore target_portals for now. | 16:50 |
| hemna | until nova is upgraded to use os-brick. | 16:51 |
| hemna | you just won't get the fallback alternate portals working until nova uses target_portals (os-brick) | 16:51 |
| hemna | I just didn't want you the driver to think it can only rely on target_portals and work in nova. :) | 16:51 |
| openstackgerrit | Walter A. Boring IV (hemna) proposed openstack/cinder: Dell SC: Added support for alternate iscsi portals https://review.openstack.org/182760 | 16:52 |
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| Swanson | hemna: I think that caught a valid bug. But returning the world (target_portal and target_portals) should satisfy all requests. (I think.) Certainly simplifies the return. | 16:54 |
| Swanson | Any idea when nova should be upgraded? You're working that one, right? | 16:55 |
| hemna | ok, I'll check the patch again. I just don't have much time today. | 16:55 |
| hemna | I'm actively working on the nova os-brick patch | 16:55 |
| hemna | I have the nova-spec up (https://review.openstack.org/#/c/184360/) and a WIP (https://review.openstack.org/#/c/175569/) | 16:55 |
| Swanson | cool. Thanks! | 17:00 |
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| openstackgerrit | Sean Chen proposed openstack/cinder: Tintri Cinder Volume driver https://review.openstack.org/185148 | 17:06 |
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| patrickeast | jgriffith: hey, i saw your comment on https://blueprints.launchpad.net/cinder/+spec/image-volume-cache let me know if you have a few min to sync up on it | 17:28 |
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| hemna | this kinda solves the ironic normal volume attach/detach issue. | 17:38 |
| hemna | err | 17:38 |
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| openstackgerrit | hadi esiely proposed openstack/cinder: Store volume encryption metadata on each volume https://review.openstack.org/152284 | 17:42 |
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| vilobhmm1 | hemna : ping | 17:51 |
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| hemna | vilobhmm1, hey | 17:52 |
| vilobhmm1 | regarding https://bugs.launchpad.net/cinder/+bug/1446750 have updated the comments regarding the reason for this problem | 17:52 |
| openstack | Launchpad bug 1446750 in Cinder "cinder-manage service list shows happy for uninitialized driver" [Low,In progress] - Assigned to Vilobh Meshram (vilobhmm) | 17:52 |
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| vilobhmm1 | hope you had a good trip back home... | 17:52 |
| hemna | vilobhmm1, ok that looks good :) thanks for that. | 17:52 |
| vilobhmm1 | so my point is along with the checking whether the service_is_up or not we should also check if we were able to successfully initialize the driver. | 17:53 |
| vilobhmm1 | ok cool | 17:53 |
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| jms | Is there a way to figure out why a cinder service on a host is going to a down state? | 17:58 |
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| patrickeast | jms: there should be something in the log for the cinder service | 18:00 |
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| jms | patrickeast: That's what I was hoping ... but I haven't seen anything. Service shows as 'up' for a short time (cinder service-list), then cinder-volume goes down, and a short time later cinder-scheduler does. It _seems_ to be still running on the host. And even though it's showing as down, it's getting sched updates from the controller (in scheduler.log)... i.e. on the 'down' host I'm seeing all storage that's defined either on the controler, or the se | 18:13 |
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| patrickeast | jms: hmm thats strange, if there aren’t any errors in the log files for the volume services i’m not sure where to look next | 18:19 |
| openstackgerrit | Rushil Chugh proposed openstack/cinder: Avoid LUN ID collisions in NetApp iSCSI drivers https://review.openstack.org/179239 | 18:22 |
| vilobhmm1 | you can check /var/log/messages if that helps | 18:22 |
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| vilobhmm1 | but as patrickeast mentioned service logs should have some details…..also if you have access to db you can check the cinder.services table and see if something is logged in description | 18:22 |
| vilobhmm1 | jms : ^^ | 18:23 |
| thingee | hemna: I can remove the -2 once we see a CI from brocade. | 18:23 |
| thingee | hemna: not even reviewing those until I see stuff. | 18:23 |
| jms | thanks, I'll check the DB | 18:25 |
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| hemna | thingee, ok I'll add that in the review then as well, to make it clear for them. | 18:26 |
| hemna | thingee, thanks | 18:26 |
| thingee | hemna: I'll start drafting an email to send out about CI for zone manager drivers in general like we talked | 18:26 |
| thingee | can you give me the email addresses to cc from cisco? | 18:26 |
| thingee | hemna: ^ | 18:26 |
| hemna | thingee, alau2@cisco.com and jmmetz@cisco.com | 18:28 |
| thingee | hemna: thanks | 18:28 |
| hemna | that's Al Lau and J Metz respectively | 18:28 |
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| jms | Hrmph ... DB is clean. Shows as enabled (doesn't seem to hold state), and nothing in disabled_reason as I would expect. :/ | 18:32 |
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| jbernard | hemna: for an rbd connector in os-brick, you'd like to first see a spec? or it's okay to submit what I've got? | 18:44 |
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| hemna | so, we discussed this idea in the summit and decided we don't need specs for new connector objects. | 18:52 |
| hemna | a BP is sufficient. | 18:52 |
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| jbernard | hemna: ok, great | 18:54 |
| jbernard | hemna: if it were required, is there an os-brick specs repo? | 18:54 |
| jbernard | hemna: or you're using cinder-specs? | 18:54 |
| jgriffith | patrickeast: ping | 18:56 |
| patrickeast | jgriffith: hey | 18:56 |
| patrickeast | jgriffith: so for your comment, i was curious what you meant by reconsidering the special tenant | 18:58 |
| patrickeast | jgriffith: reconsider as in we shouldn’t use it | 18:58 |
| patrickeast | jgriffith: or reconsider as in we should use it for everything? | 18:58 |
| jgriffith | patrickeast: kinda | 18:59 |
| jgriffith | patrickeast: that second | 18:59 |
| jgriffith | patrickeast: so rather than all of us having "hidden" tenants | 18:59 |
| jgriffith | patrickeast: go full on frontal assault | 18:59 |
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| patrickeast | jgriffith: not sure if you were there for all of the sessions, but i floated the idea around for solving a few things where people brought up hidden volumes and stuff | 18:59 |
| jgriffith | patrickeast: glance-tenant that has/own volumes and creates public snapshots | 18:59 |
| patrickeast | jgriffith: gotcha | 19:00 |
| patrickeast | jgriffith: yea i’m all for it | 19:00 |
| jgriffith | patrickeast: Just a thought, I was kinda down on the public snapsssssss | 19:00 |
| jbernard | hemna: it appears blueprints for LP os-brick are disabled? | 19:00 |
| jgriffith | patrickeast: but the more I thought about it, there might be a number of use cases | 19:00 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Nested Quota : Create allocated column in cinder.quotas https://review.openstack.org/185704 | 19:00 |
| patrickeast | jgriffith: yea i think stuff like the temp volumes while migrating or doing backup of attached volumes were now looking to maybe do something similar | 19:00 |
| patrickeast | jgriffith: kind of like any cinder object that needs an owner | 19:01 |
| jms | Hrmm... okay, working this backward. What can change the host state? I'm guessing it's HostState in scheduler/host_manager.py (or at least in host_manager somewhere) ... but what determines a 'down' state? | 19:01 |
| patrickeast | and we dont really want the actual user to see them | 19:01 |
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| jgriffith | patrickeast: right | 19:01 |
| jgriffith | patrickeast: and it's a bit *easier* to manage than the hidden stuff | 19:02 |
| jgriffith | patrickeast: and debug :) | 19:02 |
| patrickeast | jgriffith: yea, it would be a sad day when one of us has to go add a if (hidden) check to all api methods | 19:02 |
| jgriffith | :( | 19:02 |
| patrickeast | and new ‘—hidden’ params to commands | 19:02 |
| patrickeast | gross | 19:02 |
| jgriffith | patrickeast: indeed | 19:02 |
| jgriffith | patrickeast: so I don't know ws think | 19:03 |
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| jgriffith | bahh | 19:03 |
| jgriffith | "what others" | 19:03 |
| jgriffith | patrickeast: but a special tenant might help alleviate some of the quota concerns I had | 19:03 |
| patrickeast | when i brought it up at the summit it seemed to have pretty positive feedback | 19:03 |
| jgriffith | patrickeast: cool | 19:03 |
| patrickeast | i don’t remember any objections | 19:03 |
| jgriffith | patrickeast: I say we proceed on that path and exploit public snapshots | 19:04 |
| jgriffith | pattttttbut that assumes we can convince DuncanT | 19:04 |
| patrickeast | jgriffith: iirc he was on board… or asleep? | 19:04 |
| jgriffith | patrickeast: LOL | 19:04 |
| winston-d_ | jms: 'down' state is calculated state at runtime | 19:05 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Nested Quota : Create allocated column in cinder.quotas https://review.openstack.org/185704 | 19:05 |
| tbarron1 | patrickeast: he was OK with special tenant, but less so w/ public snaps | 19:05 |
| patrickeast | jgriffith: i’ll add something to the next meeting agenda so we can get some feedback on it and make sure no one has strong objections | 19:05 |
| jgriffith | patrickeast: I'm certain there will be strong objecttttttionss | 19:05 |
| jgriffith | patrickeast: buttttttttt I'd likkkkkkee moree than "it's hmmm | 19:05 |
| jgriffith | somethign seeeerriiiiiiiiously wrong with my keyboard | 19:06 |
| patrickeast | lol | 19:06 |
| winston-d_ | jgriffith: you have turned on sticky key feature? looks nice anyway | 19:06 |
| jgriffith | winston-d_: apprantly I had | 19:06 |
| jgriffith | winston-d_: now to see if I can disalbe it | 19:06 |
| jgriffith | looks like I got it :) | 19:06 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Nested Quota : Create allocated column in cinder.quotas https://review.openstack.org/185704 | 19:07 |
| patrickeast | jgriffith: so one thing i am still not sure on is how we get the cinder tenant, we talked about it a little bit at the summit but as I think about it I’m not sure exactly what the plan is, i posted a comment on https://review.openstack.org/#/c/182520/ kind of outlining my thoughts in response to scottda asking about it | 19:09 |
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| patrickeast | jgriffith: imo the easiest solution is just the cinder user that is already created… but i don’t know if thats ok or not since its a special service one | 19:11 |
| jms | winston-d_: The state shows 'up' for a while, before switching to down.... So, what's causing the switch? | 19:11 |
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| winston-d_ | jms: that service isn't updating its state | 19:14 |
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| winston-d_ | jms: you can verify by checking out the 'updated_at' timestamp for that particular service in cinder service DB | 19:14 |
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| jms | winston-d_: It's updated when it starts (i.e. I restart it)... it goes from down -> up then for a short time before going back down. | 19:16 |
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| jms | winston-d_: ... ... and now it's up again and I didn't even restart it :/ | 19:17 |
| e0ne | thingee: hi. should i abadone this patch https://review.openstack.org/#/c/146541/ (Set default OS_VOLUME_API_VERSION to '2') for cinderclient or we'll merge it? | 19:19 |
| winston-d_ | jms: do your c-vol and c-sch service in-sync in terms of time? (having ntp running)? | 19:19 |
| jms | winston-d_: vol/sched are on the same server. The controller and the cinder host are both synced to the local NTP server | 19:21 |
| jms | winston-d_: The controller also has a cinder LVM volume; which even when the 2nd host is 'down', it's still getting updates about. | 19:22 |
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| winston-d_ | jms: so that means the service(s) is/are able to update 'update_at' timestamp in DB, right? | 19:24 |
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| harlowja_ | DuncanT https://review.openstack.org/#/c/184814/ if u don't mind | 19:24 |
| harlowja_ | that will reduce log noise | 19:25 |
| jgriffith | DuncanT: if you have an example of your solution for splitting up log files that would be awesome as well | 19:26 |
| jgriffith | DuncanT: I took a look and turns out don't see how that works | 19:27 |
| jms | winston-d_: That is correct | 19:27 |
| jgriffith | DuncanT: as we init the log with the service on startup | 19:27 |
| winston-d_ | jms: hmm, so the 'down' state you are seeing is the result of 'cinder service-list' CLI? | 19:29 |
| jms | winston-d_: Yes | 19:33 |
| jms | winston-d_: It's been fluctuation today between down, then going up for a while, then down... cycle and repeat. Previously it was just staying down, and it was done. | 19:34 |
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| openstackgerrit | Victor Stinner proposed openstack/cinder: Use six to fix imports on Python 3 https://review.openstack.org/185417 | 20:05 |
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| harlowja_ | jgriffith DuncanT also, https://review.openstack.org/#/c/185116/ that might make things a little more sane (and can make it easier to read/follow?) | 20:20 |
| harlowja_ | there will hopefully be a spec from a taskflow core on making that better | 20:20 |
| setmason | is there a way to dedicate a cinder backend to a particular project/tenant? | 20:20 |
| harlowja_ | *hopefully makes it easier to use in the common case* | 20:21 |
| harlowja_ | *see example in that review | 20:21 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Cinder-manage service list shows happy for uninitialized driver https://review.openstack.org/185730 | 20:21 |
| jgriffith | harlowja_: oh yay! Deocrator magic :) | 20:21 |
| jgriffith | harlowja_: thanks for putting it together, I'll take a look for sure | 20:22 |
| harlowja_ | jgriffith well sorta magic, ha | 20:22 |
| harlowja_ | only a sprinkle of magic | 20:22 |
| harlowja_ | not to much now | 20:22 |
| * harlowja_ was watching something something CNN marijuna recently and thought of u | 20:22 | |
| harlowja_ | lol | 20:22 |
| harlowja_ | *all that magic in breckenridge | 20:22 |
| harlowja_ | lol | 20:22 |
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| winston-d_ | setmason: yes there are ways to achieve that but not out-of-box | 20:25 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Nested Quota : Create allocated column in cinder.quotas https://review.openstack.org/185704 | 20:25 |
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| nikeshm | asselin : hi | 20:27 |
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| asselin | how's it going? back home? | 20:27 |
| nikeshm | now in san jose | 20:27 |
| nikeshm | its going good | 20:28 |
| nikeshm | actully i forgot to ask FC passthrogh | 20:28 |
| nikeshm | i am able to acheive manually | 20:28 |
| asselin | I didn't know you had a fc driver | 20:28 |
| nikeshm | and able to get internet in nodepool images | 20:29 |
| asselin | nikeshm, great! glad you figured it out | 20:29 |
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| asselin | nikeshm, you have fc and iscsi or just fc driver? | 20:29 |
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| nikeshm | both | 20:30 |
| asselin | nikeshm, sorry...have to go. But focus on iscsi first. Once that works, we can do fc. | 20:30 |
| nikeshm | asselin : https://review.openstack.org/#/c/177665/ | 20:31 |
| nikeshm | ok | 20:31 |
| nikeshm | i am close in FC too | 20:31 |
| nikeshm | i m following https://review.openstack.org/#/c/182091/ | 20:31 |
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| patrickeast | could someone explain to me correct behavior is for a volume that specifies both thin and thick provisioning like in https://github.com/openstack/cinder/blob/master/cinder/tests/unit/scheduler/test_host_filters.py#L256 ?? | 20:38 |
| patrickeast | i put together a fix for https://bugs.launchpad.net/cinder/+bug/1458976 and am looking into a couple of unit tests it breaks | 20:38 |
| openstack | Launchpad bug 1458976 in Cinder "cannot create thin provisioned volume larger than free space" [Undecided,New] - Assigned to Patrick East (patrick-east) | 20:38 |
| patrickeast | but i’m not sure how to actually fix these ones… | 20:39 |
| patrickeast | xyang1: ^ | 20:39 |
| thingee | jgriffith: why are we considering public snaps now? | 20:40 |
| winston-d_ | patrickeast: i think a backend reports thick/thin support both True is valid | 20:40 |
| patrickeast | winston-d_: yea, but if the backend supports both, and the volume type is specifying both, what is supposed to happen? | 20:41 |
| patrickeast | winston-d_: should the scheduler assume it *could* do thin and take the virtual free space into account? or assume it might be thick and ignore the over subscription stuff? | 20:41 |
| winston-d_ | ok, in that case, i'd treat thick higher priority than thin | 20:43 |
| winston-d_ | s/treat/consider/ | 20:44 |
| patrickeast | ok, that makes sense | 20:44 |
| xyang1 | patrickeast: Hi | 20:45 |
| patrickeast | xyang1: hey, do you agree with what winston-d_ recommended? | 20:46 |
| jgriffith | thingee: additional consideration and thoughts regarding the AWS compat as well as what we can do with public snaps in other places | 20:46 |
| jgriffith | thingee: and after looking at the code for myself rather than taking peoples words for it | 20:47 |
| jgriffith | thingee: it's not as complex as I think initially made out to be | 20:47 |
| patrickeast | xyang1: or for that matter, agree that this is a bug in the first place? | 20:47 |
| patrickeast | xyang1: i wasn’t sure if this was intentional or not | 20:47 |
| jgriffith | thingee: but if you're decision is "no" fine by me | 20:47 |
| xyang1 | patrickeast: It is intentional at design time, but I have heard complaints like yours after it is merged | 20:48 |
| xyang1 | patrickeast: I am thinking about introducing a flag | 20:48 |
| xyang1 | patrickeast: Let driver choose whether to allow it or not | 20:49 |
| xyang1 | patrickeast: Because I have heard arguments from both sides | 20:49 |
| patrickeast | xyang1: ah ok, wwas the problem that not all backends can do it? | 20:49 |
| patrickeast | was* | 20:49 |
| patrickeast | xyang1: i would be ok with a flag | 20:50 |
| xyang1 | patrickeast: this is only called if backends supports thin | 20:50 |
| xyang1 | So backend already says it supports it | 20:50 |
| patrickeast | xyang1: yea so what case would we not allow larger volumes than free space with thin provisioning? | 20:51 |
| patrickeast | xyang1: if someone wants one that will be guarenteed to have space it should be thick, right? | 20:51 |
| xyang1 | patrickeast: The conservative approach is to assume everything will be consumed, the other approach is to assume it will not until it is written | 20:52 |
| xyang1 | patrickeast: So a flag will satisfy both | 20:52 |
| patrickeast | xyang1: i’m not sure i agree… the ‘conservative’ approach would let me make 100x99GB volumes if I report 100GB of free space, and the non-conservative lets me make 1x101GB volume? | 20:53 |
| patrickeast | xyang1: i don’t see much of a difference | 20:53 |
| xyang1 | patrickeast: Maybe I did not understand your problem completely | 20:54 |
| xyang1 | patrickeast: If you do not have any free space, everything is written, you should not be allowed to provision any more | 20:55 |
| xyang1 | patrickeast: That was why introduced this, otherwise, you can always report infinite | 20:56 |
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| patrickeast | xyang1: well wait, you can over subscribe up to the ratio that is configured, right? so its not infinite | 20:56 |
| xyang1 | patrickeast: We introduced two limits | 20:57 |
| xyang1 | patrickeast: Oversubscription is one, but used ratio is another | 20:57 |
| patrickeast | xyang1: right, both protect against over use | 20:57 |
| xyang1 | patrickeast: Used ratio is also used to limit thin provisioning | 20:58 |
| patrickeast | xyang1: but i still think users should be allowed to create thin volumes larger than the free space on the backend | 20:58 |
| patrickeast | xyang1: maybe limited by max size of the backend or something | 20:58 |
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| xyang1 | patrickeast: Once your space is filled up, we should not allow any more | 20:59 |
| jms | When creating a new volume in the web interface (or cli), it errors with "No valid host was found. No weighed hosts available" *only* when ran from the controller host. If ran from the actual cinder host it works. I'm assuming I'm missing _something_ that makes it talk back and forth... any suggestions on where to look to make the scheduler on the controller, send data to the scheduler on the 2nd cinder host? | 20:59 |
| patrickeast | xyang1: i agree, once its out of space, but not when it still has space available | 20:59 |
| patrickeast | xyang1: we allow for so much over subscription of volumes to where you can easily fill the backend *before* the volumes are full | 21:00 |
| winston-d_ | jms: what does 'ran from' mean? | 21:00 |
| patrickeast | xyang1: the part i’m arguing for is that we shouldn’t stop allowing that just because someone wants a volume larger than the free space | 21:00 |
| thingee | jgriffith: my opinion on it was no from the summit, but definitely willing to hear things out. Initially we said no, not because of complexity, but because of having another case to think about, and maintenance. In the end, is the feature worth all that? | 21:00 |
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| jgriffith | thingee: well, yeah... the answer IMHO now is "maybe" | 21:01 |
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| xyang1 | patrickeast: So when you still have space, that is that flag I mentioned earlier | 21:01 |
| jgriffith | thingee: I think it warrants some investigation, and possibly a POC | 21:01 |
| jgriffith | thingee: one thing that changes my opinion is a "special" tenant as an owner | 21:01 |
| winston-d_ | xyang1: which flag? | 21:02 |
| jgriffith | thingee: I reserve the rigth to run away screaming after getting into it though :) | 21:02 |
| jms | winston-d_: The scheduler on the controller runs the flows.create_volume (cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask) | 21:02 |
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| asselin | nikeshm, you can try those fc scripts. Honestly they work, but I think more complicated then necessary. Looking for a better way...perhaps a v2. but as I said, get your iscsi working first. There's lot sof fun stuff as you deal with load, etc. | 21:02 |
| thingee | jgriffith: definitely open to that. | 21:02 |
| xyang1 | patrickeast: I think I'll update that bug with more details, there is a place where we always deduct the volume size | 21:02 |
| jgriffith | thingee: Honestly my main motivation is around the image creation optimization stuff | 21:03 |
| asselin | you can work on adding fc afterwards. Just my opinion, though | 21:03 |
| jgriffith | thingee: the AWS compat thing is "less" interesting to me, but I see the point made by others | 21:03 |
| jms | winston-d_: So, if I do it through the cinder cli, or web iterface, from the controller it fails. From the cinder cli on the 2nd cinder host (where it should be created), it works and creates the volume. | 21:04 |
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| smcginnis | patrickeast: Your point is what's the difference between provisioning 200TB of space on 100TB physical whether it is 100 2TB volumes or 1 200 TB volume, right? | 21:04 |
| thingee | jgriffith: yeah I thought you originally came up with it? :) | 21:05 |
| thingee | I agree | 21:05 |
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| jgriffith | thingee: coolio | 21:05 |
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| nikeshm | asselin: ok | 21:05 |
| winston-d_ | jms: hmm, did you check the OS env for both places (controller, 2nd cinder host) for cinder CLI? maybe you have mulitple cinder-api, cinder-scheduler? | 21:06 |
| winston-d_ | jms: otherwise, where the API is issuing shouldn't affect the result. | 21:06 |
| jms | winston-d_: Err... is there not supposed to be a scheduler/api on each? | 21:07 |
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| winston-d_ | jms: scheduler, maybe, if you point all scheduler to the same rabbit, it actually works in a round-robin active-active manner. but for api, you need to have a load balancer sit before them. | 21:10 |
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| jms | winston-d_: And I've verified the conf file... for my knowledge of what's needed anyway. Hopefully the guy here that "knows" OS more should be up tomorrow or the next day and I can try getting info from him, and hope the answer isn't messing around with stuff till he find's something that semi-works. | 21:10 |
| jms | winston-d_: Hrmm... okay. For now I can kill them on the 2nd host and see if that changes anything. I'll probably need to remove the keystone endpoints I added then? | 21:11 |
| winston-d_ | i wonder how that work out for you. i mean multiple endpoints for same service in keystone. | 21:13 |
| jms | I was just assuming that it needed that for communication to the specific host... | 21:14 |
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| winston-d_ | jms: so to make debug easy, can you make sure there is only *1* cinder-api and *1* cinder-scheduler? | 21:16 |
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| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Cinder-manage service list shows happy for uninitialized driver https://review.openstack.org/185730 | 21:20 |
| jms | winston-d_: You bet. Now I know there _should_ be one to make it simple. ;) | 21:20 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Nested Quota : Create allocated column in cinder.quotas https://review.openstack.org/185704 | 21:23 |
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| jms | winston-d_: Okay, with cinder-{scheduler,api} stopped/disabled on the 2nd host, I get the error "No valid host was found. No weighed hosts available" ... from wherever I try creating it now. So, stopping sched on that host made it stop working there at least. ;) | 21:38 |
| winston-d_ | jms: ok, we are making progress. | 21:40 |
| winston-d_ | jms: what's the output of 'cinder service-list' now? | 21:41 |
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| jms | winston-d_: the backend (volume) is enabled/up; scheduler is disabled/down, on the 2nd host. All up on the 1st host | 21:46 |
| winston-d_ | jms: what's on 1st host? cinder-api and cinder-scheduler? | 21:47 |
| jms | and cinder-volume (lvm type) | 21:48 |
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| jms | winston-d_: I can kill that for debugging if you think it'll help. Specifying the other type which is pointing at the 2nd host (type-key with volume_backend_name ... etc, etc). | 21:52 |
| winston-d_ | jms: what extra specs do you have for the type that you were trying? | 21:53 |
| jms | winston-d_: None. Just the backend name. | 21:54 |
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| winston-d_ | jms: ok, can you show me the output of 'cinder extra-specs-list' | 21:55 |
| jms | winston-d_: Sure.. | 21:56 |
| jungleboyj | I have a potentially silly question. Have a user who is stuck with VMs powered off and volumes attached on an early version of Kilo. They are hitting the chap authentication problem we previously saw in Kilo and can't Poweron their VMs as a result. | 21:57 |
| jungleboyj | Any ideas as to how to detach the VMs so they can restart the VMs? | 21:58 |
| jms | winston-d_: I hope this works as I think it should... :/ https://gist.github.com/jmstover/274c45652caeb240443c | 21:59 |
| winston-d_ | jungleboyj: so what the VM state and power state is right now? | 21:59 |
| jungleboyj | It is active but powered off. | 22:00 |
| jungleboyj | The VMs think they are inuse. | 22:00 |
| winston-d_ | jms: it works, thx. you can try paste.openstack.org next time if you want. | 22:01 |
| jungleboyj | They can't detach the volumes because the control node was rebooted and the /dev/disk/by-path/<...> devices are gone after the reboot. | 22:01 |
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| winston-d_ | jungleboyj: looks like a iscsi volume? | 22:01 |
| winston-d_ | jms: can you paste your cinder.conf for 2nd c-vol service (zfs one)? | 22:02 |
| jungleboyj | Yes, LVM backed. winston-d) | 22:02 |
| winston-d_ | jungleboyj: is there any stale iscsi session left on the hypervisor? (check by 'iscsiadm -m session') | 22:03 |
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| jungleboyj | winston-d_ having them check. | 22:04 |
| jungleboyj | I am thinking the source of the problem is the fact that when it tries to reboot it cannot log back in because they don't have the fix to use the old chap credentials. | 22:05 |
| jungleboyj | When they try to restart they get an iscsi authentication error in the logs where LVM is running. | 22:05 |
| jungleboyj | No active iscsi connections. | 22:06 |
| winston-d_ | jungleboyj: ok, so they are safe to reset the volume status from 'in-use' to 'available', by whatever means. | 22:06 |
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| jungleboyj | Yeah, they just want to be able to bring the VM back up. Can reattach the volume later winston-d_ | 22:07 |
| jms | winston-d_: http://paste.openstack.org/show/238571/ | 22:07 |
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| jungleboyj | winston-d_ can they just do a cinder reset-state on the volume to available? Will that change what Nova tries to do during reboot though? | 22:11 |
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| winston-1_ | jungleboyj: that I don't know, you should try 'reset-state' first, worst case is to cleanup Cinder DB manually. | 22:18 |
| winston-1_ | jungleboyj: that is for Cinder. | 22:18 |
| jungleboyj | winston-1_: Right. Then I am guessing they will also have to manually clean up Nova. | 22:19 |
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| jungleboyj | I am trying in a virtual box right now. | 22:19 |
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| smcginnis | One day to (barely) catch up and I'm off again. See you all Monday. | 22:19 |
| Swanson | Where to now? | 22:20 |
| scottda | jungleboyj: They will have to remove the volume mapping from Nova's BlockDeviceMapping table. | 22:20 |
| smcginnis | Swanson: mini vacation time with no internet access (gasp!) | 22:21 |
| jms | winston-1_: http://paste.openstack.org/show/238571/ (if you missed it) | 22:21 |
| jungleboyj | scottda: How do they do that? | 22:21 |
| scottda | And possible removing the <block> ...</block> device from /etc/libvirt/qemu/<instance_id>.xml | 22:21 |
| jungleboyj | scottda: I was expecting that part. | 22:21 |
| scottda | Using mysql commands on the DB. Very ugly solution, but all there is ATM | 22:22 |
| scottda | We're working on a Nova patch for this, but POC is not quite ready yet. | 22:22 |
| Swanson | smcginnis: good luck entertaining the kids. | 22:23 |
| scottda | jungleboyj: Since this affects you, you might want to review the Cinder changes for this: https://review.openstack.org/#/c/172213/ | 22:23 |
| * scottda makes a shameless plug for his spec | 22:24 | |
| jungleboyj | scottda: Well played! | 22:24 |
| hemna | I don't see a CI for Violin | 22:24 |
| scottda | Nova BP needs some cleanup, it has just been un-abandoned after I spoke with Nova at the summit: https://blueprints.launchpad.net/nova/+spec/add-force-detach-to-nova | 22:25 |
| hemna | I just saw this patch, which changes the violin drivers. https://review.openstack.org/#/c/185418/ Yet, I don't see CI for violin ? | 22:25 |
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| hemna | hey scottda here is the bug we filed against nova for detach https://bugs.launchpad.net/nova/+bug/1458958 | 22:26 |
| openstack | Launchpad bug 1458958 in OpenStack Compute (nova) "Exceptions from Cinder detach volume API not handled" [Undecided,New] | 22:26 |
| asselin | hemna, maybe it's not done yet | 22:26 |
| hemna | asselin, I looked in one of my old patches that finished jenkins and CI last week....nothing Obvious for "violin" | 22:26 |
| asselin | hemna, nevermind....confused am and pm ;) | 22:26 |
| hemna | I don't mean to be a CI nazi, but just found it odd I didn't see anything in the CI reporting for it. | 22:27 |
| scottda | hemna: cool. I'll talk to my Nova partner about a patch for this | 22:27 |
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| hemna | scottda, that's what the result of removing the file manager locks will give us, along with actually checking the volume 'ING' state and reporting up VolumeIsBusy errors in the API | 22:28 |
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| scottda | Yeah. If it's as straightforward as adding some try: blocks and logging it should be easy to write the code. Then we'll see about the Nova team's reaction.... | 22:29 |
| hemna | scottda, ok coolio. | 22:29 |
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| winston-1_ | jungleboyj: to sync vm state and power state for a VM, you can have them try 'virsh start' on the hypervisor. | 22:30 |
| winston-1_ | jms: yes, i saw your config file, it looks sane. | 22:30 |
| winston-1_ | jms: now, i have to ask for cinder-scheduler.log for failed creating task. | 22:31 |
| winston-1_ | jungleboyj: to delete BDM entry in Nova DB, they will have to find the DB entry and mark it as 'deleted' (soft-delete). | 22:32 |
| openstackgerrit | xing-yang proposed openstack/cinder: Add flag assume_virtual_capacity_consumed https://review.openstack.org/185764 | 22:35 |
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| xyang1 | patrickeast: Hi, see if this addressed your concern | 22:37 |
| openstackgerrit | Vilobh Meshram proposed openstack/cinder: Nested Quota : Create allocated column in cinder.quotas https://review.openstack.org/185704 | 22:38 |
| jms | winston-1_: http://paste.openstack.org/show/238652/ | 22:40 |
| jms | winston-1_: Though, now that I was breaking the loggin up I see a (the?) issue. It's only trying to place the volume on a single cinder host, but not looking at the 2nd one. | 22:41 |
| winston-1_ | jms: so, it is time to exam the cinder.conf on 1st cinder node. can you paste it? | 22:46 |
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| jms | winston-1_: ... I'm post it once I clean it (so many comments), but I think I know where this might be leading.... | 22:54 |
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| jms | winston-1_: http://paste.openstack.org/show/238669/ | 22:56 |
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| winston-1_ | jms: just to make sure, this config file should be the same scheduler is using, right? | 23:02 |
| jms | winston-1_: Yes | 23:02 |
| winston-1_ | jms: basically, the two config files looks mostly the same, especially the essentila part (using the same DB, same rabbit) | 23:04 |
| winston-1_ | jms: i have a meeting now, have to run now. | 23:04 |
| winston-1_ | leave messages and i will check later. | 23:04 |
| jms | winston-1_: Okay, thanks. | 23:05 |
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| vilobhmm | hemna : hey | 23:13 |
| hemna | yough | 23:14 |
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| patrickeast | xyang1: sry, was away from my desk for a bit | 23:22 |
| patrickeast | xyang1: that looks like it would address the issue, although smcginnis is correct, i still don’t see why its treated any differently if you over subscribe a bunch of smaller volumes or a few larger ones | 23:23 |
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| patrickeast | xyang1: that being said, as long as it works i’m pretty happy with it :D | 23:23 |
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| vilobhmm | hemna : sorry someone stopped by…regarding your comment on https://review.openstack.org/#/c/185730/2/cinder/cmd/manage.py should probably add an RPC call into the host to see if the driver is initiatlized….can you clarify a lil bit on it | 23:28 |
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| hemna | so yah, the manager object is what comprises a running c-vol service | 23:29 |
| hemna | you can't just call manage.init_host() and see if that 'works' | 23:29 |
| hemna | you need to call the running c-vol instance to see if it's working correctly | 23:29 |
| hemna | or more specifically to ask the running volume manager if it's driver instance has initialized. | 23:30 |
| hemna | what you are doing is trying to force a static call to a manager object that has no configuration and isn't running. | 23:30 |
| hemna | you need to make an RPC into a running volume manager | 23:30 |
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| hemna | I hope that makes sense | 23:31 |
| hemna | anyway, I have to run to get my kids from daycare....l8rs | 23:31 |
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| vilobhmm | i get that…may be will get the reference for that vol manager and check if its there…if the reference to vol mgr is there make a call to init_host | 23:34 |
| vilobhmm | sure | 23:34 |
| vilobhmm | cia later | 23:34 |
| vilobhmm | thanks | 23:34 |
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