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| mriedem | jgriffith: i see your comment and raise you a question | 00:08 |
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| reveller | Hi! Just getting started with cinder. I have a need to attach multiple containers or VMs to a single block storage ceph volume via cinder. Only one container/VM will have write privs, the remainder read-only. While researching this, I found https://wiki.openstack.org/wiki/Cinder/blueprints/multi-attach-volume. Has this been resolved? Is it possible? | 00:14 |
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| smcginnis | reveller: Unfortunately no, not yet. | 00:17 |
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| reveller | smcginnis: thanks for the info… you just kicked my effort right where it hurts. | 00:25 |
| smcginnis | reveller: Hah, sorry about that. | 00:26 |
| reveller | we wanted to use ceph block storage via cinder for persistent data across containers. need to figure out a way around this. any ideas? | 00:26 |
| smcginnis | reveller: I guess better to get the bad news now rather than a week from now. ;) | 00:26 |
| smcginnis | reveller: Well, without nova involved, I have heard of others doing something similar. | 00:27 |
| patrickeast | :D | 00:27 |
| smcginnis | reveller: But I don't know the specifics. I haven't done that mysefl. | 00:27 |
| patrickeast | smcginnis: reveller: was just about to say the same thing.. | 00:27 |
| smcginnis | patrickeast: :) | 00:27 |
| patrickeast | in theory you can finagle yourself into a multi-attach situation | 00:27 |
| patrickeast | if you are doing the attaching yourself | 00:27 |
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| patrickeast | but its definitely not a uh... supported use-case | 00:28 |
| reveller | we are planning to manage our own attachments to the volumes from within our own code | 00:29 |
| reveller | we are hoping to manage the attachments to the persistent stoage through our own nfs-provisioner process that will expose the volumes via nfs exports. | 00:30 |
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| openstackgerrit | qtlu proposed openstack/cinder master: Show user_id when cinder snapshot-show https://review.openstack.org/472545 | 00:47 |
| mriedem | reveller: https://specs.openstack.org/openstack/nova-specs/specs/pike/approved/cinder-new-attach-apis.html | 00:51 |
| mriedem | nova/cinder are working on new api integration on the nova side in the pike release so nova can support volume multiattach in queens | 00:51 |
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| openstackgerrit | Peter Wang proposed openstack/cinder master: VNX: Add QoS support https://review.openstack.org/441786 | 01:10 |
| openstackgerrit | Peter Wang proposed openstack/cinder master: Add VNX replication group support https://review.openstack.org/459205 | 01:10 |
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| openstackgerrit | wanghao proposed openstack/cinder-specs master: Report backend state in service list https://review.openstack.org/252921 | 01:29 |
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| openstackgerrit | jiamin proposed openstack/cinder master: DS8K: add replication consistency group support https://review.openstack.org/465877 | 01:43 |
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| openstackgerrit | TommyLike proposed openstack/python-cinderclient master: Support revert to snapshot in client https://review.openstack.org/464903 | 02:24 |
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| openstackgerrit | TommyLike proposed openstack/python-cinderclient master: [Optimize] Adds interval and increase waiting time https://review.openstack.org/474411 | 02:32 |
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| openstackgerrit | TommyLike proposed openstack/cinder master: Cinder volume revert to snapshot https://review.openstack.org/391736 | 02:40 |
| openstackgerrit | TommyLike proposed openstack/cinder master: Tempest for revert-to-snapshot https://review.openstack.org/463906 | 02:45 |
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| openstackgerrit | Deepak Mourya proposed openstack/cinder-specs master: Remove support for py34. https://review.openstack.org/474445 | 02:56 |
| openstackgerrit | Deepak Mourya proposed openstack/cinder-specs master: Remove support for py34. https://review.openstack.org/474445 | 02:57 |
| openstackgerrit | Deepak Mourya proposed openstack/cinder-specs master: Remove support for py34. https://review.openstack.org/474445 | 02:58 |
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| openstackgerrit | wanghao proposed openstack/cinder-specs master: Transfer snapshots with volumes https://review.openstack.org/319831 | 03:42 |
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| openstackgerrit | Merged openstack/cinder master: Use requests lib for Huawei array connection https://review.openstack.org/459042 | 04:14 |
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| openstackgerrit | jiamin proposed openstack/cinder master: DS8K: add replication consistency group support https://review.openstack.org/465877 | 04:25 |
| openstackgerrit | jiamin proposed openstack/cinder master: DS8K driver: specify pool and lss in extra-specs https://review.openstack.org/435857 | 04:25 |
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| openstackgerrit | Shunei Shiono proposed openstack/cinder master: Add support non disruptive backup to NEC volume driver https://review.openstack.org/474852 | 05:20 |
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| openstackgerrit | Merged openstack/cinder master: Add backup to cinder architecture page https://review.openstack.org/474096 | 05:29 |
| openstackgerrit | OpenStack Proposal Bot proposed openstack/os-brick master: Updated from global requirements https://review.openstack.org/470521 | 05:31 |
| openstackgerrit | jiamin proposed openstack/cinder master: DS8K: add replication consistency group support https://review.openstack.org/465877 | 05:41 |
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| openstackgerrit | wzyuliyang proposed openstack/cinder master: Add pigz support for cinder-backup chunked driver compression https://review.openstack.org/450291 | 05:52 |
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| openstackgerrit | TommyLike proposed openstack/python-cinderclient master: Support revert to snapshot in client https://review.openstack.org/464903 | 06:23 |
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| openstackgerrit | TommyLike proposed openstack/cinder master: Explicit user messages https://review.openstack.org/448384 | 06:38 |
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| openstackgerrit | jiamin proposed openstack/cinder master: DS8K: add replication consistency group support https://review.openstack.org/465877 | 07:31 |
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| openstackgerrit | Yingzhe Zeng proposed openstack/cinder master: Add 'LUNType' configuration verification for Dorado array https://review.openstack.org/452362 | 07:54 |
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| openstackgerrit | wanghao proposed openstack/cinder master: Fix driver exception when cascade deleting volume after transferring https://review.openstack.org/474890 | 08:17 |
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| openstackgerrit | TommyLike proposed openstack/cinder master: Fix i18n issues https://review.openstack.org/474547 | 08:19 |
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| openstackgerrit | Ryan Liang proposed openstack/cinder master: Unity: Use thin clone when cloning volume https://review.openstack.org/471250 | 08:39 |
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| openstackgerrit | junbo.li proposed openstack/cinder master: Keep consistent of naming convention https://review.openstack.org/474913 | 09:06 |
| openstackgerrit | Jesse Wu proposed openstack/cinder master: Synology: Driver unable to be initialized https://review.openstack.org/474917 | 09:12 |
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| openstackgerrit | wanghao proposed openstack/cinder master: Fix driver exception when cascade deleting volume after transferring https://review.openstack.org/474890 | 09:14 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - Retype, replacing SMI-S with REST https://review.openstack.org/456757 | 09:30 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - QoS, replacing SMI-S with REST https://review.openstack.org/456759 | 09:41 |
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| openstackgerrit | TommyLike proposed openstack/cinder master: Enable backend specific async migration https://review.openstack.org/334923 | 09:59 |
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| openstackgerrit | Yingzhe Zeng proposed openstack/cinder master: Update LUN description after migration for Huawei array https://review.openstack.org/455481 | 10:09 |
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| openstackgerrit | Shunei Shiono proposed openstack/cinder master: Add support non disruptive backup to NEC volume driver https://review.openstack.org/474852 | 10:21 |
| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - Compression, replacing SMI-S with REST https://review.openstack.org/460191 | 10:37 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - Replication, replacing SMI-S with REST https://review.openstack.org/466027 | 10:41 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - Live Migration, replacing SMI-S with REST https://review.openstack.org/472279 | 11:09 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - implement Generic Volume Group feature https://review.openstack.org/474546 | 11:16 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder master: VMAX driver - bootable volume errors https://review.openstack.org/472674 | 11:21 |
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| openstackgerrit | wanghao proposed openstack/cinder master: Fix driver exception when cascade deleting volume after transferring https://review.openstack.org/474890 | 12:02 |
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| mdovgal | good day, folks. could somebody take a look at this patch? https://review.openstack.org/#/c/446518/ it still in WIP state, but I need a feedback to continue working on it | 12:44 |
| mdovgal | thank you | 12:44 |
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| smcginnis | mdovgal: I'll queue it up in a tab. | 12:46 |
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| ericyoung | Can I get some eyes on https://review.openstack.org/#/c/474294/ ... hopefully a simple review | 13:42 |
| mdovgal | smcginnis, thank you for your feedback. i'll respond to the comment in the next ps | 13:51 |
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| openstackgerrit | Gorka Eguileor proposed openstack/os-brick master: Add open-iscsi manual scan support https://review.openstack.org/455394 | 14:12 |
| openstackgerrit | Gorka Eguileor proposed openstack/os-brick master: Refactor iSCSI connect https://review.openstack.org/455393 | 14:12 |
| jgriffith | mriedem I call | 14:14 |
| mriedem | or fold? | 14:14 |
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| jgriffith | damn it | 14:14 |
| jgriffith | Your'e a good poker player | 14:14 |
| mriedem | you can't call a raise fella :) | 14:15 |
| mriedem | wait | 14:15 |
| mriedem | yes you can | 14:15 |
| mriedem | ha | 14:15 |
| jgriffith | I considered it | 14:15 |
| mriedem | so i thought cinder had some kind of user messages api or something? | 14:16 |
| mriedem | for recording things that failed | 14:16 |
| jgriffith | mriedem yeah, I've heard rumors of such things | 14:16 |
| mriedem | https://developer.openstack.org/api-ref/block-storage/v3/#messages | 14:16 |
| mriedem | is that v3 only? | 14:16 |
| jgriffith | yes | 14:16 |
| mriedem | ah ok | 14:16 |
| jgriffith | alright... either way I know when to fold'em | 14:17 |
| jgriffith | still way better than nothing | 14:17 |
| jgriffith | just don't let me catch you counting your money at the table | 14:17 |
| jgriffith | I can always try and figure out another incremental improvement later | 14:19 |
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| eharney | $ cinder upload-to-image 5fac8327-d42e-48d3-afa5-d250e4824041 test | 14:25 |
| eharney | ERROR: 'RequestContext' object has no attribute 'global_id' (HTTP 400) (Request-ID: req-1e21f9... | 14:25 |
| eharney | is this a known problem? | 14:25 |
| openstackgerrit | John Griffith proposed openstack/cinder master: Fix migration completion for New Attach API's https://review.openstack.org/472786 | 14:25 |
| smcginnis | eharney: Is that related to the request ID changes Sean D has been working on? | 14:25 |
| jgriffith | eharney I haven't seen/heard it but it's related to Sean's changes | 14:26 |
| jgriffith | yeah, what smcginnis said | 14:26 |
| jgriffith | wonder if that hasn't hit glance? | 14:26 |
| smcginnis | jgriffith: Given the glance backlog, probably not. | 14:28 |
| smcginnis | Yet another case why I think anyone with the policy of CD from master into production is just insane. | 14:28 |
| jgriffith | +1 | 14:28 |
| jgriffith | I haven't heard any buzz on that for a while | 14:29 |
| jgriffith | wonder if it's still a thing or not | 14:29 |
| smcginnis | It was discussed a little in Atlanta. | 14:29 |
| jgriffith | I could see something like milestones or something... meh | 14:29 |
| jgriffith | oh? | 14:29 |
| smcginnis | According to one vocal person, it's "one of the fundamental principles that we are based on" - :/ | 14:30 |
| smcginnis | I have yet to see anywhere where that is stated as an official policy that OpenStack has committed to supporting that madness. | 14:30 |
| jgriffith | oh dear | 14:30 |
| smcginnis | But it's one of the whole reasons why we can't bump one microversion per release cycle, because anyone at any point can deploy from master so we must all cater to that. | 14:31 |
| jgriffith | vomit | 14:32 |
| jgriffith | vomit | 14:32 |
| jgriffith | vomit | 14:32 |
| jgriffith | vomit | 14:32 |
| jgriffith | Ok, I'm better now | 14:32 |
| tommylikehu | hey smcginnis found another solution for your yesterday conversation: https://review.openstack.org/#/c/474547/ | 14:32 |
| smcginnis | :) | 14:32 |
| jgriffith | no wait..... | 14:32 |
| jgriffith | vomit | 14:32 |
| jgriffith | ok... all good | 14:32 |
| tommylikehu | s/your/our | 14:32 |
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| smcginnis | tommylikehu: I'd love to see someone from i18n comment on that. | 14:33 |
| tommylikehu | smcginnis: asked several people for reviewing. | 14:34 |
| smcginnis | tommylikehu: OK, great. | 14:34 |
| eharney | oh, i just needed to update oslo.context, everything is fine | 14:35 |
| tommylikehu | xyang, xyang1 this patch is ready for your review: https://review.openstack.org/#/c/391736/ :) | 14:36 |
| jgriffith | eharney has that made it to requirements and you just didn't update? Or is it missing? | 14:37 |
| eharney | jgriffith: it's in requirements, i just didn't update right | 14:37 |
| jgriffith | phew | 14:37 |
| jgriffith | :) | 14:37 |
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| eharney | by 2018 i promise i'll know how to use devstack | 14:37 |
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| eharney | maybe | 14:37 |
| jgriffith | eharney by 2018 it will be obsolete | 14:38 |
| jgriffith | so that seems about right :) | 14:38 |
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| smcginnis | jgriffith: You think it will be obsolete in one year? Is this a rare day of optimisim? :) | 14:40 |
| smcginnis | *optimism | 14:40 |
| jgriffith | haha | 14:40 |
| smcginnis | Unfortunately, not a rare day of typing well. | 14:40 |
| jgriffith | Well you know my predictions are just about as good of a hit rate as my live demos... so meh | 14:41 |
| smcginnis | Haha, I've seen enough of your live demos. Or tried to see... | 14:41 |
| jgriffith | Doh!! | 14:41 |
| jgriffith | Buuuuurnnnnnnnn | 14:41 |
| smcginnis | hehe | 14:41 |
| openstackgerrit | John Griffith proposed openstack/cinder master: Set default lvm_type to auto https://review.openstack.org/474811 | 14:47 |
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| jgriffith | eharney I think you're the most important person to review that one ^^. Next to smcginnis :) | 14:55 |
| mwheckmann | hello. Anyone here familiar with the ScaleIO driver? | 14:56 |
| mwheckmann | I'm wondering why multiple pools support doesn't seem to work properly. It always falls back to the same pool even if there is no capacity left. (listing all the pools and the available capacity works correcly. i.e "get-pools" with the CLI) | 14:58 |
| ericyoung | mwheckmann: did you setup volume types that refer to the pools you want to use? | 14:59 |
| mwheckmann | ericyoung: yes/no. We have a type per ScaleIO cluster but multiple pools within the same cluster. | 15:01 |
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| mwheckmann | My understanding is that this should work | 15:01 |
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| ericyoung | You have to setup volume types that have extra specs pointing to the non-default protection domain and storage pools. There should be an email routing back to you from dellemc on that | 15:03 |
| ericyoung | I am also updating the documentation for the SIO driver... see https://review.openstack.org/#/c/474832/ | 15:03 |
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| openstackgerrit | Merged openstack/cinder master: Revert "Use HostAddressOpt for opts that accept IP and hostnames" https://review.openstack.org/474337 | 15:05 |
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| mwheckmann | ericyoung: so we need a type per pool? There is no way to have multiple pools per backend? i.e have the scheduler choose a pool within the same type based on avail. capacity? | 15:09 |
| mwheckmann | We need to have mulitple pools within the same cluster due to the limitation on the # of disks per SIO pool | 15:10 |
| ericyoung | mwheckmann: they only way to do it now is to have multiple volume types and specify the type when creating the volume | 15:11 |
| mwheckmann | so to us, it's the same "type" (where type is equivalent to the performance class, let's say full SSD) | 15:11 |
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| mwheckmann | ericyoung: we will look into this. Does Cinder itself support the concept of multiple pools within the same type? i.e I'm trying to gauge whether it's the driver or Cinder itself that is preventing this. | 15:12 |
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| ericyoung | mwheckmann: Cinder itself is unaware of the protection domain/storage pool architecture of SIO. Unless the OpenStack volume type points at a specific PD:SP, the driver will try and allocate it from the single PD:SP specified in cinder.conf | 15:15 |
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| mwheckmann | ericyoung: so if I understand correctly, the concept of pools in Cinder doesn't align with SIO pools? I just find it odd that listing the pools with Cinder cli does show the SIO pools. | 15:20 |
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| openstackgerrit | John Griffith proposed openstack/cinder master: Set default lvm_type to auto https://review.openstack.org/474811 | 15:26 |
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| ericyoung | mwheckmann: the cinder cli shows them because the SIO driver queries statistisc for all the pools you have in cinder.conf. | 15:28 |
| ericyoung | mwheckmann: but when the driver creates volumes, there is one default pool it creates them from. If you want the non-default pool you have to create a volume type and specify the pool | 15:29 |
| mwheckmann | ok. And is that behaviour something that would be open to changing if we contributed a patch? it's a little difficult for us to present multiple "types" of the same thing to the end user. We need to use multiple pools to the disks limit per pool. | 15:32 |
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| ericyoung | I'd be open to changing that. What I think you want is 'list' of default pools. If the driver cannot allocate a volume from one of the pools, try another? | 15:33 |
| mwheckmann | ...due to the disks limit per pool. 300 devices max | 15:33 |
| mwheckmann | ericyoung: exactly | 15:33 |
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| ericyoung | that sounds like a reasonable change. | 15:34 |
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| mwheckmann | or just ditch the default entirely and use the list of pools and allocate from the pool with the most free capacity | 15:35 |
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| ericyoung | we can't use the existing list as it would break current users who do not want us to cascade from one pool to the next | 15:36 |
| mwheckmann | ok. | 15:36 |
| openstackgerrit | Merged openstack/cinder master: api-ref: clarify retype docs around default policy permissions https://review.openstack.org/474797 | 15:36 |
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| mwheckmann | ericyoung: this commit msg from 3 years ago describes the behaviour we are looking for: https://github.com/openstack/cinder/commit/ffefe18334a9456250e1b6ff88b7b47fb366f374 | 15:41 |
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| mwheckmann | it's the pool aware scheduler support. As long as the scheduler can see the SIO pools it should work. I guess the assumption is that the driver respects what the scheduler is asking it to do. | 15:43 |
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| mwheckmann | ericyoung: so the pool-aware scheduler support does allow for multiple pools per backend. | 15:45 |
| mwheckmann | At first glance, from the little tracing in the code that we have done, it looks like the scheduler is picking the right pool but the driver ignores it. | 15:46 |
| ericyoung | mwheckmann: I'll need to dig into it a bit. | 15:47 |
| mwheckmann | ericyoung: we've also noticed that it causes an inconsistency in the Cinder DB because Cinder *thinks* it chose one pool, but the driver actually allocated the volume from another. i.e a "cinder show" on the volume has the wrong pool name in the host attribute field. | 15:50 |
| smcginnis | mwheckmann: Could you file a bug report to track this? https://bugs.launchpad.net/cinder/+bugs | 15:50 |
| ericyoung | mwheckmann: and send me a pointer to the bug. I'll take ownership of it. | 15:51 |
| mwheckmann | smcginnis: we'll do that. Probably on Monday as some of us will be leaving early today. | 15:51 |
| mwheckmann | ericyoung: will do | 15:52 |
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| ericyoung | can anyone point me at how I might influence (via a volume type?) the scheduler to select a specific pool for creating volumes? | 17:16 |
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| ericyoung | seems that 'openstack volume type set --property pool_name=<poolname> type' does it | 17:24 |
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| _alastor_ | smcginnis: I commented out the service_host check in start_etc and it fixed all my issues (at least ones not related to by backed :) ) | 17:42 |
| _alastor_ | *start_etcd | 17:43 |
| smcginnis | _alastor_: Cool, thanks. | 17:43 |
| smcginnis | _alastor_: Looks like the trick will be knowing when to actually start it and when not to. | 17:43 |
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| openstackgerrit | Merged openstack/os-brick master: Refactor iSCSI connect https://review.openstack.org/455393 | 18:00 |
| openstackgerrit | Merged openstack/os-brick master: Add open-iscsi manual scan support https://review.openstack.org/455394 | 18:00 |
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| smcginnis | _alastor_: If you have time, I've updated that patch. Would be interested to see if the current one handles your situation. | 18:09 |
| _alastor_ | smcginnis: sure, I'll take a look | 18:10 |
| smcginnis | Thanks! | 18:13 |
| openstackgerrit | Matt Smith (_alastor_) proposed openstack/cinder master: Datera 2.4.0 driver update https://review.openstack.org/473541 | 18:14 |
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| openstackgerrit | Merged openstack/python-cinderclient master: Fix simple parameter comment error https://review.openstack.org/450052 | 22:43 |
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