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Hello,

I think Duncan's comments in another thread make sense to me. How do you think about it?

Best Regards
Chaoyi Huang (joehuang)
________________________________
From: D'Angelo, Scott [scott.dangelo at hpe.com]
Sent: 19 September 2016 20:34
To: OpenStack Development Mailing List (not for usage questions)
Subject: Re: [openstack-dev] [tricircle] Should we discuss the use cases of force volume detach in the Tricircle


Please keep in mind that Nova keeps some volume state in the BlockDeviceMapping table. Without changes to Nova, a force_detach function is not complete.

I am interested in this use case, as are other Cinder developers. Please feel free to contact me in IRC with questions as "scottda".


Scott D'Angelo

________________________________
From: joehuang <joehuang at huawei.com>
Sent: Sunday, September 18, 2016 3:29:29 AM
To: OpenStack Development Mailing List (not for usage questions)
Subject: Re: [openstack-dev] [tricircle] Should we discuss the use cases of force volume detach in the Tricircle

This is a good question. I also sent a mail in cinder thread that wants to know why the tempest test cases missing for the "force volume detach".
The spec for the "force volume detach" could be found here: https://github.com/openstack/cinder-specs/blob/master/specs/liberty/implement-force-detach-for-safe-cleanup.rst
________________________________
From: cr_hui at 126.com [cr_hui at 126.com]
Sent: 18 September 2016 16:53
To: openstack-dev
Subject: [openstack-dev] [tricircle] Should we discuss the use cases of force volume detach in the Tricircle

Hello，
When the patch "force volume detach" has submited , some proposals have came back.
The important point is wheathe this function is needed or safe.
Should we disscuss some uses cases of this function. Such as the define of this function, when this function been triggered.

________________________________

Best regards,
Ronghui Cao, Ph.D. Candidate
College of Information Science and Engineering
Hunan University, Changsha 410082, Hunan, China
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