Bug 1646940
| Summary: | cinder-volume service will become down when creating image from volume | |||
|---|---|---|---|---|
| Product: | Red Hat OpenStack | Reporter: | Meiyan Zheng <mzheng> | |
| Component: | openstack-cinder | Assignee: | Sofia Enriquez <senrique> | |
| Status: | CLOSED ERRATA | QA Contact: | Tzach Shefi <tshefi> | |
| Severity: | medium | Docs Contact: | Kim Nylander <knylande> | |
| Priority: | medium | |||
| Version: | 13.0 (Queens) | CC: | abishop, amcleod, geguileo, jschluet, mzheng, tenobreg, tshefi | |
| Target Milestone: | --- | Keywords: | Triaged, ZStream | |
| Target Release: | 13.0 (Queens) | |||
| Hardware: | Unspecified | |||
| OS: | Unspecified | |||
| Whiteboard: | ||||
| Fixed In Version: | openstack-cinder-12.0.4-4.el7ost | Doc Type: | Bug Fix | |
| Doc Text: |
Cause:
Previously, when performing image operations in Cinder, users experienced errors on RabbitMQ and DB connections because file I/O operations blocked greenthreads, preventing switching to another greenthread on I/O
Consequence:
As a result, the cinder-volume service was `down` when creating an image from a volume.
Fix:
With this update, image operations that can prevent greenthread switching are executed in native threads.
Result:
As a result, the cinder-volume service no longer appears `down` to the scheduler.
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Story Points: | --- | |
| Clone Of: | ||||
| : | 1661356 (view as bug list) | Environment: | ||
| Last Closed: | 2019-03-14 13:47:53 UTC | Type: | Bug | |
| Regression: | --- | Mount Type: | --- | |
| Documentation: | --- | CRM: | ||
| Verified Versions: | Category: | --- | ||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | ||
| Cloudforms Team: | --- | Target Upstream Version: | ||
| Embargoed: | ||||
| Bug Depends On: | 1661356 | |||
| Bug Blocks: | ||||
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Comment 3
Sofia Enriquez
2018-12-13 21:57:58 UTC
Verified on: openstack-cinder-12.0.4-8.el7ost.noarch Uploaded a rhel (~500mb) image to glance. Created a volume from this image: #cinder create 10 --image rhel Upload volume to a new image: openstack image create --volume f04101e9-2c07-46f3-84bb-9a33dc1f809a imageFromVol While doing this I watched -d -n 2 openstack volume service list +------------------+-------------------------+------+---------+-------+----------------------------+ | Binary | Host | Zone | Status | State | Updated At | +------------------+-------------------------+------+---------+-------+----------------------------+ | cinder-scheduler | controller-2 | nova | enabled | up | 2019-02-28T15:38:25.000000 | | cinder-scheduler | controller-1 | nova | enabled | up | 2019-02-28T15:38:28.000000 | | cinder-scheduler | controller-0 | nova | enabled | up | 2019-02-28T15:38:29.000000 | | cinder-volume | hostgroup@tripleo_iscsi | nova | enabled | up | 2019-02-28T15:38:30.000000 | +------------------+-------------------------+------+---------+-------+----------------------------+ Cinder volume remains up the whole time, tried a few time same "up" status remains, never it go down. Image is available: #glance image-list +--------------------------------------+--------------+ | ID | Name | +--------------------------------------+--------------+ | 9e83f549-914f-4322-87f4-2322b98df0d9 | cirros | | 7f5d8e2f-9607-4f9e-8de2-d1eb1290c138 | imageFromVol | | 53188403-ebf5-44ec-9e04-74d66080d342 | rhel | +--------------------------------------+--------------+ Looks good to verify. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:0560 |