Bug 1230807 - [RFE][cinder] Support Multi-attach volume for RBD
Summary: [RFE][cinder] Support Multi-attach volume for RBD
Keywords:
Status: CLOSED DEFERRED
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-cinder
Version: unspecified
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: rc
: 16.0 (Train on RHEL 8.1)
Assignee: Jon Bernard
QA Contact: Tzach Shefi
URL: https://blueprints.launchpad.net/open...
Whiteboard:
Depends On: 1033180
Blocks: 1700882 1728321 1728323 1728327 1761502 1790753
TreeView+ depends on / blocked
 
Reported: 2015-06-11 14:45 UTC by Sean Cohen
Modified: 2020-02-08 02:33 UTC (History)
26 users (show)

Fixed In Version: openstack-cinder-15.0.1-0.20191114132949.b91f514.el8ost
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1790753 (view as bug list)
Environment:
Last Closed: 2020-01-28 15:01:21 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Launchpad 1535815 0 None None None 2016-02-08 15:26:22 UTC
OpenStack gerrit 85847 0 'None' MERGED Add volume multi attach support 2021-02-03 15:37:56 UTC
OpenStack gerrit 212508 0 'None' MERGED Add support for shared volumes between guests 2021-02-03 15:37:53 UTC
OpenStack gerrit 595827 0 'None' MERGED RBD: add support for multiattach 2021-02-03 15:37:54 UTC
Red Hat Bugzilla 1624971 1 None None None 2023-09-07 19:21:22 UTC

Description Sean Cohen 2015-06-11 14:45:49 UTC 
As a tenant, I want to attach a volume to multiple instances at the same time
Comment 4 Sean Cohen 2015-06-19 14:04:21 UTC 
Nova's work to support Cinder's multi-attach capability is targeted to Liberty cycle [https://blueprints.launchpad.net/nova/+spec/multi-attach-volume]
Comment 5 Sean Cohen 2015-09-04 15:10:54 UTC 
https://review.openstack.org/#/c/153038/ got pushed to Mitaka
Seab
Comment 6 Stephen Gordon 2015-12-07 20:33:33 UTC 
(In reply to Sean Cohen from comment #5)
> https://review.openstack.org/#/c/153038/ got pushed to Mitaka
> Seab

For future time travellers the correct spec link is:

https://review.openstack.org/#/c/212508/
Comment 10 Mike McCune 2016-03-28 22:33:16 UTC 
This bug was accidentally moved from POST to MODIFIED via an error in automation, please see mmccune with any questions
Comment 18 Paul Grist 2018-10-09 18:24:10 UTC 
Moving to ON_DEV, patch is up for review
Comment 19 Tzach Shefi 2018-11-13 08:27:42 UTC 
Jon, 

Will this feature need any parameters set/added via ceph's THT to work? 
Or just configure a vol type with  {'multiattach': '<is> True'}..
Comment 23 Tzach Shefi 2019-01-13 11:17:49 UTC 
Guessing reuse same test plan[0] initially created to cover regular multi-attach support.
Anything else/more I should cover with additional test cases? 


[0]
https://polarion.engineering.redhat.com/polarion/#/project/RHELOpenStackPlatform/wiki/Cinder/Attach%20a%20single%20volume%20to%20multiple%20hosts
Comment 24 Jon Bernard 2019-01-13 13:14:41 UTC 
Nothing backend specific, testing should be able to distinguish between backends.
Comment 40 Gregory Charot 2020-01-28 15:01:21 UTC 

The following bug makes this feature failing in most cases, it therefore does not meet the TP criterias.
https://bugzilla.redhat.com/show_bug.cgi?id=1772557

The following BZ tracks the full support productization targeted for 16.0.2 (when the above fix is backported).
https://bugzilla.redhat.com/show_bug.cgi?id=1790753

Closing this one as deferred.
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