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| openstackgerrit | Merged openstack/cinder master: V2/V3 jsonschema validation: snapshots https://review.openstack.org/520991 | 02:20 |
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| jungleboyj | Swanson: Yes, VMAX needs attention please. | 02:32 |
| jungleboyj | Swanson: Whas is vacation? | 02:34 |
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| openstackgerrit | Jeremy Zhang proposed openstack/cinder master: Fix api-ref for v3 volume types https://review.openstack.org/530830 | 02:55 |
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| openstackgerrit | Felipe Monteiro proposed openstack/cinder master: Fix reserve volume enforcing the wrong policy action https://review.openstack.org/530837 | 04:25 |
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| openstackgerrit | wanghao proposed openstack/python-cinderclient master: Support for reporting backend state in service list https://review.openstack.org/530446 | 06:03 |
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| openstackgerrit | billsung proposed openstack/cinder master: Re-add Infortrend Cinder volume driver https://review.openstack.org/523659 | 06:24 |
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| openstackgerrit | Merged openstack/cinder master: Discrepancy in api-ref and code for create group type API https://review.openstack.org/524492 | 06:36 |
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| openstackgerrit | yixuan zhang proposed openstack/cinder master: Storwize: add hyperswap volume support https://review.openstack.org/492414 | 08:05 |
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| openstackgerrit | Jeremy Zhang proposed openstack/cinder master: RBD: get manageable volumes https://review.openstack.org/527903 | 08:09 |
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| chhavi | Brin: Need some clarification on the review comments : https://review.openstack.org/#/c/518316/ | 08:44 |
| chhavi | Brin: can you please elaborate. | 08:45 |
| chhavi | Brin: do you foresee any issues making this change, | 08:45 |
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| openstackgerrit | TommyLike proposed openstack/cinder-specs master: Support restore backup to volumes simultaneously https://review.openstack.org/524441 | 08:58 |
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| openstackgerrit | melissaml proposed openstack/os-brick master: Cleanup test-requirements https://review.openstack.org/530878 | 09:26 |
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| openstackgerrit | Xiaojun Liao proposed openstack/cinder master: Fix v3 api-ref for showing API details url error https://review.openstack.org/522492 | 09:36 |
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| openstackgerrit | Lucian Petrut proposed openstack/cinder master: Windows: allow multiple c-vol backends per service https://review.openstack.org/522806 | 12:44 |
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| lyarwood | eharney: https://bugs.launchpad.net/cinder/+bug/1739442 - we spoke about this before the break, any thoughts? Trying to work out where we can actually do this if not in c-vol. | 15:57 |
| openstack | Launchpad bug 1739442 in Cinder "c-vol should always format encrypted volumes during creation" [Undecided,New] | 15:57 |
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| jungleboyj | Reminder for anyone who didn't see the mailing list note. No meeting this week. We will meet again next week. | 16:09 |
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| ericyoung | I've been out a few weeks... any updates on where cinder/nova stand with multi-attach and what drivers need to do? | 16:34 |
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| Swanson | Oh, is there some expectation that'll land this release and that there might be changes for drivers? | 16:40 |
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| Swanson | Need to devote more cycles... | 16:40 |
| ericyoung | swanson: I don't know if it will land but I heard driver work is 'minimal'. I'm looking for verification as we have customers asking | 16:41 |
| Swanson | ericyoung, I see. We don't have a ton of time before beta 3, right? | 16:42 |
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| ericyoung | Swanson. correct. hence my question so I can plan :) | 16:42 |
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| jungleboyj | ericyoung: The spec has merged and ildikov has started working on implementing based on the spec. | 16:53 |
| jungleboyj | ericyoung: We are still hopeful that it will land in Queens. The driver impact is minimal. | 16:53 |
| ericyoung | jungleboyj, thanks. will check the spec for specifics and keep fingers crossed | 16:53 |
| jungleboyj | I think it is still just a matter of updating a flag to say if your driver supports multiattach. | 16:53 |
| ildikov | ericyoung: so I'm looking into what I need to do | 16:53 |
| jungleboyj | ericyoung: :-) Sounds good. | 16:54 |
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| ericyoung | ildikov, is it something like.. 'and then a miracle occurred'? | 16:55 |
| ildikov | ericyoung: the target is Queens, we have weekly meetings and myself completely freaked out, I'm not fully knowledgable on the driver part, but it's something like whether or not it can handle it on the first place, reporting on shared targets if the driver does share them and turn on the capability if everything looks fine | 16:55 |
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| jgriffith | ildikov: jungleboyj ericyoung I am planning on trying to get something started and posted later this week | 16:55 |
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| jgriffith | the needed changes should be fairly minimal | 16:56 |
| jgriffith | driver requirements as per the spec will be a new capabilities setting being added | 16:56 |
| jgriffith | I can't speak to the Nova side however | 16:56 |
| jungleboyj | jgriffith: Awesome! Going to tackle it after a restful break? :-) | 16:56 |
| ericyoung | excellent. I'll keep watching ad be ready to jump in (review code, change the ScaleIO driver, whatever). | 16:57 |
| jgriffith | jungleboyj: "restful" is a relative term :) | 16:57 |
| jgriffith | https://photos.app.goo.gl/jYUqiXzwoPV232Gr2 | 16:57 |
| jgriffith | :) | 16:57 |
| ildikov | jgriffith: I'm handling that part, I might need to bump the compute version once more, but should be fine, fingers crossed | 16:57 |
| ildikov | jgriffith: and I'm hoping the ceiling will not land on my head after saying 'it should be fine'... :) | 16:58 |
| jungleboyj | jgriffith: That is a beautiful photo. | 16:59 |
| jgriffith | jungleboyj: it's a beautiful place :) | 16:59 |
| jungleboyj | jgriffith: Looks relaxing to me. | 17:00 |
| jgriffith | hardest part about visiting MT for me is leaving :) | 17:00 |
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| jungleboyj | jgriffith: That is how I feel when having to leave Florida. | 17:02 |
| jgriffith | jungleboyj: nice | 17:03 |
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| edmondsw | niraj_singh why does send_service_user_token default to False? I hope you're planning on switching that to True... ? | 17:47 |
| edmondsw | I'm not even sure we really need a CONF option for that... why not just always use service tokens, period? | 17:48 |
| edmondsw | oh, I see the code isn't checking to see if the new CONF group has anything in it | 17:54 |
| edmondsw | so you need it for backward compat unless you start checking that | 17:55 |
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| openstackgerrit | Hagen Finley proposed openstack/cinder master: Test document change to cinder install index.rst file to test my ability to upload files for review in Gerrit. https://review.openstack.org/530986 | 18:05 |
| openstackgerrit | Hagen Finley proposed openstack/cinder master: 2nd Attempt to push revised install documentation to gerrit https://review.openstack.org/530987 | 18:05 |
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| openstackgerrit | Merged openstack/python-cinderclient master: Deprecate multiattach flag on volume create https://review.openstack.org/529375 | 18:07 |
| openstackgerrit | Merged openstack/os-brick master: Cleanup test-requirements https://review.openstack.org/530878 | 18:12 |
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| openstackgerrit | Hagen Finley proposed openstack/cinder master: mend https://review.openstack.org/530990 | 18:23 |
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| openstackgerrit | Matt Riedemann proposed openstack/cinder master: Enable multiattach capability for lvm driver https://review.openstack.org/530996 | 19:45 |
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| openstackgerrit | Vipin Balachandran proposed openstack/cinder master: VMware: Support volume adapter type change https://review.openstack.org/530998 | 19:48 |
| openstackgerrit | Merged openstack/os-brick master: Recover node.startup values after discovering https://review.openstack.org/466146 | 19:50 |
| mriedem | edmondsw: that's likely copied from nova, and it defaults to False because it was originally considered experimental when it was added | 19:50 |
| mriedem | and yeah, you have to opt into it by configuring a new service user | 19:51 |
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| mriedem | ildikov: https://bugs.launchpad.net/cinder/+bug/1741112 | 20:15 |
| openstack | Launchpad bug 1741112 in Cinder "500 response received when trying to create volume attachment when volume is in-use" [Undecided,New] | 20:15 |
| ildikov | mriedem: Tnx! | 20:17 |
| edmondsw | mriedem yeah. Not what I would have done, but not so bad when I think about it, since you have to go in and add all the auth properties anyway | 20:25 |
| mriedem | are there any fake volume drivers that would allow using the api in the functional tests to create a volume and create attachments without actually needing a real volume backend? | 20:28 |
| mriedem | unit tests don't really cut it for testing the entire wsgi stack | 20:28 |
| patrickeast | mriedem: this thing might be close https://github.com/openstack/cinder/blob/master/cinder/tests/fake_driver.py#L29 | 20:32 |
| patrickeast | iirc we do top down wsgi tests from c-api through to driver with that | 20:32 |
| mriedem | yeah maybe, i saw the FakeGateDriver | 20:32 |
| patrickeast | i think the gate driver is closer to a "real" backend, inheriting from lvm iscsi | 20:34 |
| patrickeast | err nvm | 20:34 |
| patrickeast | so is the logging one | 20:34 |
| mriedem | ildikov: now i'm asking myself why we added that explicit check on the nova side for attaching the same volume to the same instance | 20:40 |
| mriedem | oh i see https://github.com/openstack/cinder/blob/master/cinder/volume/api.py#L2042 | 20:43 |
| mriedem | the volume api explicitly checks if we're attaching more than once to the same instance | 20:43 |
| mriedem | for live migrate | 20:43 |
| mriedem | oh duh, i see the issue | 20:45 |
| mriedem | https://github.com/openstack/cinder/blob/master/cinder/volume/api.py#L2042 | 20:45 |
| mriedem | ha | 20:45 |
| mriedem | oops | 20:45 |
| mriedem | raise webob.exc.HTTPInternalServerError(explanation=err_msg) | 20:45 |
| ildikov | yeah, these checks got a little messy... | 20:51 |
| openstackgerrit | Matt Riedemann proposed openstack/cinder master: Handle InvalidVolume when creating a volume attachment https://review.openstack.org/531011 | 20:53 |
| mriedem | ^ | 20:53 |
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| mriedem | ildikov: patched my devstack with that and now i get a 400 from nova when trying to attach the volume to a 2nd instance | 21:04 |
| mriedem | so yay | 21:04 |
| ildikov | \o/ :) | 21:05 |
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| openstackgerrit | Merged openstack/cinder master: Fix reserve volume enforcing the wrong policy action https://review.openstack.org/530837 | 21:22 |
| openstackgerrit | Merged openstack/cinder master: Add descriptions of base policies https://review.openstack.org/530797 | 21:22 |
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| openstackgerrit | Merged openstack/cinder master: Add driver-requirements entry for storpool https://review.openstack.org/530751 | 21:29 |
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| openstackgerrit | Vipin Balachandran proposed openstack/cinder master: VMware: Support volume adapter type change https://review.openstack.org/530998 | 21:43 |
| mriedem | ildikov: debugging the multiattach test, there appears to be a bug on i think the cinder side when creating the 2nd attachment; it never shows up as a registered attachment for the volume | 21:57 |
| mriedem | maybe nova's not calling attachment_update on it... | 21:57 |
| mriedem | 2nd attachment to the 2nd server i should say | 21:57 |
| ildikov | You mean with a multi-attach volume it gets attached only once? | 21:59 |
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| mriedem | yeah create a multiattach volume, attach it to server1, the volume goes in-use as expected, | 21:59 |
| mriedem | attach the volume to server2 and the volume goes from in-use->reserved->attaching->in-use, but the 2nd attachment doesn't show up in the volume's attachments list in the GET /volumes/{id}/detail response | 22:00 |
| mriedem | and when the test tears down and tries to detach from server2, nova returns a 400 because the volume isn't actually attached | 22:00 |
| ildikov | I know that Cinder needs updates on how the attachments get displayed | 22:02 |
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| ildikov | I guess it includes the volume details too, I've never checked that one explicitly TBH | 22:02 |
| mriedem | i'm assuming either nova isn't calling attachment_update on the 2nd server / attachment, or it is and cinder is ignoring it | 22:03 |
| ildikov | if the volume goes through those state changes then the calls should happen | 22:04 |
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| mriedem | this is where the attach starts for the 2nd server http://logs.openstack.org/33/266633/4/check/tempest-full/1c4979f/job-output.txt.gz#_2018-01-03_20_56_26_602927 | 22:04 |
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| mriedem | the attachment is created in n-api here | 22:05 |
| mriedem | Jan 03 20:42:28.525284 ubuntu-xenial-citycloud-sto2-0001671881 devstack@n-api.service[2197]: DEBUG cinderclient.v3.client [None req-3a39b6a5-517e-46a1-ad52-bff9b89080ab tempest-AttachVolumeMultiAttachTest-640168740 tempest-AttachVolumeMultiAttachTest-640168740] REQ: curl -g -i --cacert "/opt/stack/data/ca-bundle.pem" -X POST https://10.0.1.154/volume/v3/09a2df8b29f847f1a844be562fc917a1/attachments -H "X-Service-Token: {SHA1 | 22:05 |
| mriedem | 1ef9ca173dbb52d2a33caafcdcf0bf326dde0" -H "Accept: application/json" -H "User-Agent: python-cinderclient" -H "OpenStack-API-Version: volume 3.44" -H "X-Auth-Token: {SHA1}e052150045e8c201aa1757408757c98ce1bfbdcf" -H "Content-Type: application/json" -H "X-OpenStack-Request-ID: req-3a39b6a5-517e-46a1-ad52-bff9b89080ab" -d '{"attachment": {"instance_uuid": "719979d8-9fe5-4854-9bf8-d6ce96fb7295", "connector": null, "volume_uuid" | 22:05 |
| mriedem | 8fc8c1d-b39d-4365-b370-a068c5d99d81"}}' {{(pid=2199) _http_log_request /usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py:372}} | 22:05 |
| mriedem | RESP BODY: {"attachment": {"status": "reserved", "detached_at": "", "connection_info": {}, "attached_at": "", "attach_mode": null, "instance": "719979d8-9fe5-4854-9bf8-d6ce96fb7295", "volume_id": "68fc8c1d-b39d-4365-b370-a068c5d99d81", "id": "dd5101f2-ef06-4284-9c9b-96da2e38be26"}} | 22:05 |
| mriedem | in n-cpu, it looks like the attachment is updated with the host connector | 22:06 |
| mriedem | REQ: curl -g -i --cacert "/opt/stack/data/ca-bundle.pem" -X PUT https://10.0.1.154/volume/v3/09a2df8b29f847f1a844be562fc917a1/attachments/dd5101f2-ef06-4284-9c9b-96da2e38be26 -H "Accept: application/json" -H "User-Agent: python-cinderclient" -H "OpenStack-API-Version: volume 3.44" -H "X-Auth-Token: {SHA1}e052150045e8c201aa1757408757c98ce1bfbdcf" -H "Content-Type: application/json" -H "X-OpenStack-Request-ID: req-3a39b6a5-51 | 22:06 |
| mriedem | 6a1-ad52-bff9b89080ab" -d '{"attachment": {"connector": {"initiator": "iqn.1993-08.org.debian:01:87ca90688668", "ip": "10.0.1.154", "platform": "x86_64", "host": "ubuntu-xenial-citycloud-sto2-0001671881", "do_local_attach": false, "mountpoint": "/dev/vdb", "os_type": "linux2", "multipath": false}}}' {{(pid=11175) _http_log_request /usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py:372}} | 22:06 |
| mriedem | RESP BODY: {"attachment": {"status": "reserved", "detached_at": "", "connection_info": {"access_mode": "rw", "attachment_id": "dd5101f2-ef06-4284-9c9b-96da2e38be26", "target_discovered": false, "encrypted": false, "driver_volume_type": "iscsi", "qos_specs": null, "target_iqn": "iqn.2010-10.org.openstack:volume-68fc8c1d-b39d-4365-b370-a068c5d99d81", "target_portal": "10.0.1.154:3260", "volume_id": "68fc8c1d-b39d-4365-b370-a0 | 22:07 |
| mriedem | d99d81", "target_lun": 1, "auth_password": "eiBrJ2K8Qhe7UV4U", "auth_username": "AVsQ8sULVhPS5Louystc", "auth_method": "CHAP"}, "attached_at": "", "attach_mode": null, "instance": "719979d8-9fe5-4854-9bf8-d6ce96fb7295", "volume_id": "68fc8c1d-b39d-4365-b370-a068c5d99d81", "id": "dd5101f2-ef06-4284-9c9b-96da2e38be26"}} | 22:07 |
| mriedem | aha! | 22:07 |
| mriedem | libvirtError: internal error: unable to execute QEMU command 'device_add': Failed to get "write" lock | 22:07 |
| mriedem | Driver failed to attach volume 68fc8c1d-b39d-4365-b370-a068c5d99d81 at /dev/vdb: libvirtError: internal error: unable to execute QEMU command 'device_add': Failed to get "write" lock | 22:08 |
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| mriedem | i can't link to these n-cpu logs because of how infra has changed where the logs live now, but that's the issue | 22:08 |
| ildikov | hmm, don't recall seeing that one before... | 22:09 |
| mriedem | and when the attach_volume call in the compute fails, nova destroys the bdm record, | 22:09 |
| mriedem | that's why the detach fails in tempest cleanup | 22:10 |
| ildikov | at least the cleanup works... | 22:11 |
| mriedem | well, the cleanup won't work until we add attachment counting to tempest, | 22:11 |
| mriedem | but i just haven't hit that failure yet | 22:11 |
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| mriedem | so this should be used https://review.openstack.org/#/c/267587/74/nova/virt/libvirt/volume/volume.py | 22:12 |
| mriedem | so yeah i'm not sure what "libvirtError: internal error: unable to execute QEMU command 'device_add': Failed to get "write" lock" means | 22:12 |
| mriedem | from the libvirt domain docs | 22:14 |
| mriedem | " shareable If present, this indicates the device is expected to be shared between domains (assuming the hypervisor and OS support this), which means that caching should be deactivated for that device. " | 22:14 |
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| ildikov | does the test patch depend on the chain? | 22:14 |
| mriedem | yes | 22:14 |
| mriedem | this is the devstack patch at the top that enables the multiattach test in tempest: https://review.openstack.org/#/c/266633/ | 22:14 |
| mriedem | this is the tempest test that depends on the nova series https://review.openstack.org/#/c/266605/ | 22:15 |
| ildikov | sigh | 22:16 |
| mriedem | i think this is a behavior change in qemu 2.10 | 22:16 |
| mriedem | because it sounds like https://bugs.launchpad.net/nova/+bug/1718295 | 22:16 |
| openstack | Launchpad bug 1718295 in OpenStack Compute (nova) "Live migration fails with qemu-img >= 2.10: "Failed to get shared "write" lock\nIs another process using the image?"" [High,Fix released] - Assigned to Sean Dague (sdague) | 22:16 |
| ildikov | yeah, I did a quick search too and it looks like | 22:17 |
| ildikov | as it used to work fine | 22:17 |
| mriedem | melwitt: any idea off the top of your head where a cache mode is set for disk devices in libvirt guests? | 22:18 |
| ildikov | we tested multi-attach before and we only had detach problems with lvm | 22:18 |
| mriedem | ah there is a driver element | 22:20 |
| mriedem | "The optional cache attribute controls the cache mechanism, possible values are "default", "none", "writethrough", "writeback", "directsync" (like "writethrough", but it bypasses the host page cache) and "unsafe" (host may cache all disk io, and sync requests from guest are ignored). Since 0.6.0, "directsync" since 0.9.5, | 22:20 |
| mriedem | "unsafe" since 0.9.7 " | 22:20 |
| melwitt | mriedem: this is where we set it in the driver https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L416 | 22:21 |
| mriedem | but we explicitly set it to none for the volume block device | 22:22 |
| mriedem | https://github.com/openstack/nova/blob/master/nova/virt/libvirt/volume/volume.py#L51 | 22:23 |
| mriedem | ok, so looking at https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainAttachDeviceFlags | 22:24 |
| mriedem | https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainDeviceModifyFlags | 22:24 |
| mriedem | i bet if shareable is True, we need to add the VIR_DOMAIN_DEVICE_MODIFY_FORCE flag | 22:24 |
| mriedem | i'll update the patch to try that out | 22:26 |
| mriedem | huzzah! | 22:27 |
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| mriedem | melwitt: if you're looking to move a couple things along, the bottom 2 changes in this series should be pretty easy https://review.openstack.org/#/c/529656/ | 22:31 |
| mriedem | mostly plumbing working up toward multiattach | 22:31 |
| melwitt | mriedem: yup, will look at those. I have to run out for awhile right now but can do when I get back | 22:32 |
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| openstackgerrit | Merged openstack/cinder master: Dell EMC SC: API 4.0 incompatibilities https://review.openstack.org/507260 | 23:19 |
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