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| openstackgerrit | haixin proposed openstack/cinder master: Fix volume copy logic https://review.opendev.org/745485 | 01:36 |
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| openstackgerrit | Sharath Kacham proposed openstack/cinder master: [STORWIZE]-Code changes to handle groups with replication_enabled or snapshot_enabled Closes-Bug: #1890776 https://review.opendev.org/745293 | 07:46 |
| openstack | bug 1890776 in Cinder "[STORWIZE]-Code changes to handle groups with replication_enabled or snapshot_enabled" [Undecided,In progress] https://launchpad.net/bugs/1890776 - Assigned to Sharath Kacham (sharathkacham) | 07:46 |
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| isakgicu | Hello everyone, I'm wondering if I remove my current PV and VG, replace my current physical disks and recreate PV and VG, will my cinder work properly ? | 08:41 |
| isakgicu | or I should do some additional steps to make it work ? | 08:42 |
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| geguileo | that should work if you restart cinder-volume | 08:58 |
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| CeeMac | looking at adding a new cinder backend, presumably the cinder-volume service will need restarting to pick that up, will that break attachments to instances running on that node? | 10:36 |
| CeeMac | trying to work out the correct operational procedure and if I need to schedule rolling host evacuations | 10:37 |
| CeeMac | on rocky using zadara cinder volume driver | 10:37 |
| CeeMac | isci | 10:37 |
| CeeMac | s/isci/iscsi | 10:37 |
| e0ne | CeeMac: volume service restart should be safe | 10:43 |
| e0ne | CeeMac: you can set it to 'disable' state to make it more safer, so it won't afffect create/delete/attach operations during service restart | 10:44 |
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| CeeMac | thanks e0ne | 11:08 |
| CeeMac | e0ne: i'm not familiar with the process to set it to 'disable' is that something done through openstack cli? | 11:10 |
| CeeMac | nvm found it :) | 11:15 |
| e0ne | CeeMac: AFAIR, it should be done via cinder-manage but I need to re-check it | 11:18 |
| CeeMac | thanks | 11:22 |
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| CeeMac | another semi-related question. In cinder.conf backends are defined in [], but also have a volume_backend_name | 12:23 |
| CeeMac | are these 1:1 ratio | 12:23 |
| CeeMac | and how do they relate? | 12:23 |
| CeeMac | I've seen in the 'host' of the volume service list host@backend | 12:24 |
| CeeMac | and in the UI its show as host@backend#backendName | 12:24 |
| CeeMac | is it possible to have host@backen#backendName1, host@backend#backendName2 etc? | 12:25 |
| CeeMac | e.g if we have one storage controller with multiple pools, each pool would be configured as a backend, but it would be good to name them so they're referenced as the same storage controller | 12:26 |
| CeeMac | in the [] | 12:26 |
| CeeMac | if that makes sense | 12:26 |
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| whoami-rajat | CeeMac, the value after # is the pool name, host@backend@pool | 12:30 |
| whoami-rajat | host@backend#pool | 12:30 |
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| CeeMac | whoami-rajat: and can you define multiple pools for the same backend? | 12:31 |
| CeeMac | or is it 1:1? | 12:31 |
| whoami-rajat | CeeMac, one backend can have multiple pools if the driver allows it and reports it | 12:32 |
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| CeeMac | is the pool name pulled from the storage then or taken from the volume_backend_name value? | 12:33 |
| CeeMac | my backend and pool both have the same name, so i've made it a bit confusing for myself | 12:33 |
| whoami-rajat | which backend are you using? and is it reporting the pool info to cinder scheduler ? | 12:37 |
| CeeMac | zadara | 12:39 |
| CeeMac | and I dont know, how would i tell? | 12:39 |
| whoami-rajat | check cinder-scheduler logs, and check what capabilities are being published there | 12:40 |
| CeeMac | ok, i'll take a look, thanks | 12:40 |
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| sonivi | Hi, I mock whole class in testcase instead of specific function, is there any way to get/associated the functionality of assert_called_with() with our mock object | 13:12 |
| sonivi | https://bpa.st/CPXA | 13:12 |
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| CeeMac | whoami-rajat: I'm not seeing anything of particular interest inthe cinder-scheduler logs sadly | 14:32 |
| whoami-rajat | CeeMac, do you see any msg like http://paste.openstack.org/show/796739/ ? search for 'Received volume service update from ' | 14:34 |
| CeeMac | no, you need debug enabled for that to show? | 14:35 |
| CeeMac | it mostly consists of 'Deleted 0 expired messages' | 14:35 |
| whoami-rajat | yeah, set debug=True in cinder.conf [DEFAULT] section | 14:36 |
| CeeMac | does that require a restart? | 14:36 |
| CeeMac | i can never remember | 14:36 |
| whoami-rajat | yep, config changes require restart of services | 14:40 |
| CeeMac | whoami-rajat: http://paste.openstack.org/show/796740/ | 14:42 |
| smcginnis | Logging level can be changed at runtime. Either by reloading the config (SIGHUP I think?) or via API call. | 14:47 |
| * CeeMac goes to look up some words | 14:53 | |
| whoami-rajat | CeeMac, i think the driver needs to report the pool stats, something like https://github.com/openstack/cinder/blob/master/cinder/volume/drivers/dell_emc/unity/adapter.py#L619-L658 | 14:53 |
| CeeMac | thanks whoami-rajat I'll get back to the vendor for advise | 14:54 |
| CeeMac | basically i need to add a second pool and not break the existing one | 14:54 |
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| CeeMac | for the zadara cinder driver you explicitly define the pool id in the backend config so I'm guessing it won't be doing any dynamic reporting | 14:55 |
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| CeeMac | is it possible to make a particular backend only available to certain projects? | 15:04 |
| rosmaita | CeeMac: indirectly, you create a private volume-type and then make it available to those projects | 15:06 |
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| CeeMac | ah, i saw something about that, just reading through the docs again | 15:09 |
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| CeeMac | so, set a particular backend-name on the backends to be 'private', create a new 'private' vol-type and link this to the appropriate backend-name? | 15:10 |
| rosmaita | right | 15:11 |
| CeeMac | great, thanks | 15:11 |
| rosmaita | then use this API to give the projects access to that volume-type: https://docs.openstack.org/api-ref/block-storage/v3/#volume-type-access-types-action-types-os-volume-type-access | 15:12 |
| CeeMac | ah, thats not in the openstack cli yet then? | 15:13 |
| rosmaita | not sure | 15:13 |
| CeeMac | ok, i'll need to brush my api-fu then | 15:13 |
| rosmaita | it's in the cinderclient | 15:14 |
| rosmaita | cinder help | grep ' type-' | 15:15 |
| CeeMac | openstack volume type set --project <project> <volume-type> might work? | 15:16 |
| rosmaita | well, what do you know | 15:17 |
| CeeMac | i'll take that as a yes? :D | 15:17 |
| CeeMac | i'll give it a go, I'm drafting up some process in my test environment | 15:18 |
| CeeMac | thanks for the help everyone :D | 15:18 |
| rosmaita | keep us posted | 15:18 |
| CeeMac | will do | 15:20 |
| CeeMac | I'll need to catch up with storage guy in the morning | 15:20 |
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| rosmaita | smcginnis: have you had any time to look at your devstack patch https://review.opendev.org/#/c/743566/ ? | 16:15 |
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| smcginnis | "msg": "[Errno 2] No such file or directory: 'tox': 'tox'", | 16:17 |
| rosmaita | yeah, i don't get it | 16:18 |
| smcginnis | That's later, Looks like the actual failure is a MySQL access problem. | 16:18 |
| smcginnis | ERROR 1698 (28000): Access denied for user 'root'@'localhost' | 16:18 |
| rosmaita | oh, i missed that | 16:18 |
| smcginnis | Me too. I usually start at the bottom and work my way up, but sometimes that's not the root error. | 16:19 |
| rosmaita | do you think the cinder bindep is somehow messing up the "regular" mysql install? | 16:19 |
| rosmaita | as far as i can tell, your patch is the only one hitting this post failure | 16:19 |
| smcginnis | It would appear so. | 16:19 |
| rosmaita | arrrrgh | 16:19 |
| smcginnis | Which makes me think we probably have something in our local bindep.txt that is interfering. | 16:20 |
| smcginnis | Maybe a different version of MySQL? | 16:20 |
| clarkb | smcginnis: rosmaita tools/test-setup.sh is the other place to look iirc | 16:21 |
| smcginnis | clarkb: The patch in question is a change to devstack that just adds the installation of bindep packages from the repo root. | 16:22 |
| clarkb | oh neat thats happening | 16:23 |
| clarkb | in that case likely bindep contents then ya | 16:23 |
| smcginnis | But we do have an issue in the cinder tools/test_setup.sh for newer mysql versions, so that's a good reminder. | 16:23 |
| smcginnis | rosmaita: Not sure if it is related yet, but we will need https://review.opendev.org/#/c/737364/ | 16:23 |
| rosmaita | man, it's like the mail, bugs keep coming, and coming, and coming ... | 16:24 |
| rosmaita | newman!!! | 16:24 |
| smcginnis | Unless you're the USPS. :/ | 16:24 |
| rosmaita | :) | 16:25 |
| smcginnis | Both jobs look like they are installing mysql-server-5.7, so doesn't look like that is the issue in this case. | 16:25 |
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| rosmaita | i wonder why it's only causing a problem on that job | 16:33 |
| smcginnis | Hmm, the only additional package the patch is getting installed is lsscsi. I don't see a difference that would explain why it's failing with that. | 16:33 |
| smcginnis | Not even like it is pulling in other dependencies. | 16:33 |
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| lseki | > Logging level can be changed at runtime. Either by reloading the config (SIGHUP I think?) or via API call | 16:37 |
| lseki | tested here and both `systemctl reload devstack@c-vol` and `kill -HUP <c-vol PID>` works | 16:37 |
| smcginnis | Thanks lseki! | 16:37 |
| lseki | ^ CeeMac whoami-rajat smcginnis | 16:37 |
| lseki | np :-) | 16:38 |
| lseki | s/c-vol/c-sch if reloading c-sch configs | 16:38 |
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| openstackgerrit | Merged openstack/cinder master: Make test-setup.sh compatible with mysql8 https://review.opendev.org/737364 | 16:51 |
| smcginnis | rosmaita: This is looking like an issue: https://opendev.org/openstack/devstack/src/branch/master/lib/databases/mysql#L92-L95 | 16:54 |
| smcginnis | So maybe something has already set the password? | 16:55 |
| rosmaita | i don't know, the first time 'mysqladmin' appears in the job-output.txt is whe it tries to set the password and fails | 16:56 |
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| smcginnis | It preseeds the configuration in https://opendev.org/openstack/devstack/src/branch/master/lib/databases/mysql#L151-L157 | 17:00 |
| smcginnis | After that, on failing setup: mysql-server is already the newest version (5.7.31-0ubuntu0.18.04.1). | 17:00 |
| smcginnis | Passing setup: The following NEW packages will be installed: libevent-core-2.1-6 libnuma1 mysql-client-5.7 mysql-client-core-5.7 mysql-server mysql-server-5.7 mysql-server-core-5.7 | 17:00 |
| smcginnis | But that still doesn't explain why the only difference in the cinder bindep step is rather than nothing, it solely installs lsscsi. | 17:01 |
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| rosmaita | let's put up a DNM changing the cinder bindep.txt to have only lsscsi in it, make your patch depend on it, and go to lunch | 17:03 |
| smcginnis | I do see where mysql-server is being installed earlier. It looks like maybe devstack collects all plugin bindep entries and does one install. That would probably make sense. | 17:04 |
| smcginnis | So maybe since the config hasn't been pre-seeded, even though it is not connecting and trying to do any DB yet, it's too late without that config preconfigured for it. | 17:04 |
| smcginnis | I guess that's a good idea to sanity check that assumption. I will put up a DNM that just drops mysql and see how that goes. | 17:05 |
| rosmaita | ok, that's a better idea (dropping mysql only | 17:05 |
| rosmaita | thanks, i'll check back later -- i have a dog here who's letting me know that noon was an hour ago | 17:05 |
| smcginnis | :) | 17:06 |
| openstackgerrit | Sean McGinnis proposed openstack/cinder master: DNM: Test mysql install order issue with bindep patches https://review.opendev.org/745711 | 17:06 |
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| CeeMac | lseki: thanks! I've added that to my notes :D | 17:29 |
| lseki | np :-D | 17:30 |
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| CeeMac | in the interests of understanding things better so i can not break things. When a volume is created it retains the host/backend information in the os-vol-host-attr:host as far as I can see. Presumably, if one were to change the backend configuration name, or the backend-name, this would have a detrimental impact to the volume and any instances it is attached to? | 17:35 |
| CeeMac | just trying to plan in terms of backend expansion, growth, migration etc | 17:36 |
| CeeMac | to maintain consist naming and to move to volume groups etc | 17:38 |
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| openstackgerrit | katari manoj kumar proposed openstack/cinder master: [storwize]: optimize create_flashcopy_to_consistgrp https://review.opendev.org/745719 | 18:06 |
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| openstackgerrit | Girish Chilukuri proposed openstack/cinder master: [Storwize]:check_vdisk_fc_mappings method is not deleting the clone fc maps. https://review.opendev.org/744664 | 18:21 |
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| lseki | CeeMac: hmm are you intending to rename the back end stanza names? | 20:10 |
| lseki | or the `volume_backend_name`s perhaps? | 20:21 |
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| CeeMac | lseki: either or both I guess. I wasn't fully aware of the configuration when I set the environment up so its not really implemented in a scalable way. The volume_backend_name is set to match a specific storage target as is the configuration name in the [backend], where really, as I see things now, this should be more generic so I can have multiple backends with the same volume_backend_name for scalability | 20:33 |
| CeeMac | and let the scheduler place the volumes on the best backend | 20:33 |
| CeeMac | then I can swap backends in and out easier if required | 20:33 |
| CeeMac | also me and storage guy both get ocd when it comes to matching names across the stack, so moving from backend1 to a new backend2, then deleting backend1 would freak us both out lol | 20:34 |
| CeeMac | just trying to plan the best migration path | 20:35 |
| lseki | > moving from backend1 to a new backend2, then deleting backend1 would freak us both out | 20:51 |
| lseki | I see. I'm not sure if there's a way to avoid this, though... | 20:51 |
| lseki | I believe you'll need to create volume types that match to the backends by some more generic specs (and not their volume_backend_name) | 20:51 |
| lseki | but for the pre-existing volumes, I guess you'll have to retype them one by one | 20:51 |
| -openstackstatus- NOTICE: The openstackgerrit IRC bot (gerritbot) will be offline for a short period while we redeploy it on a new server | 20:51 | |
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| CeeMac | Yes, that's pretty much the conclusion I had come to also | 20:53 |
| CeeMac | I'll probably end up deploying new backends with generic name and type, migrate / retype all the volumes from the original backend then delete and recreate them in the new way | 20:55 |
| CeeMac | I guess there is no "rebalance" api to automigrate volumes within the new backend types to even out the spread? | 20:56 |
| lseki | not that I'm aware of | 20:59 |
| lseki | I think other folks already left today, you might ask them for advices again tomorrow | 21:01 |
| CeeMac | Sure, thanks | 21:02 |
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| smcginnis | CeeMac: Yeah, no automatic thing for that. You will need to retype to where you want things to go. | 21:58 |
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| smcginnis | If you define a volume type that isn't tied to the backend name, you could probably do a simple bash script that retypes from the current one to the new type. Then the scheduler can handle distributing where the volume goes. | 21:59 |
| smcginnis | Not sure if that fits for your use case or not, but an option to consider. | 21:59 |
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