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<p>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.</p>
<p>I am interested in this use case, as are other Cinder developers. Please feel free to contact me in IRC with questions as "scottda".</p>
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<p>Scott D'Angelo<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> joehuang <joehuang@huawei.com><br>
<b>Sent:</b> Sunday, September 18, 2016 3:29:29 AM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions)<br>
<b>Subject:</b> Re: [openstack-dev] [tricircle] Should we discuss the use cases of force volume detach in the Tricircle</font>
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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">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".
<div>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<br>
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<div id="divRpF161549" style="direction: ltr;"><font face="Tahoma" size="2" color="#000000"><b>From:</b> cr_hui@126.com [cr_hui@126.com]<br>
<b>Sent:</b> 18 September 2016 16:53<br>
<b>To:</b> openstack-dev<br>
<b>Subject:</b> [openstack-dev] [tricircle] Should we discuss the use cases of force volume detach in the Tricircle<br>
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<div><span></span><span style="">Hello£¬</span></div>
<div>When the patch "force volume detach" has submited , some <span style="font-family:''; font-size:10.5pt; line-height:1.5; background-color:window">proposals have came back.</span></div>
<div>The important point is wheathe this function is needed or safe.</div>
<div>Should we disscuss some uses cases of this function. Such as the define of this function, when this function been triggered.</div>
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<pre style="font-size:14px; line-height:16.7999992370605px; word-wrap:break-word"><font face="Book Antiqua">Best regards,
Ronghui Cao, Ph.D. Candidate
College of Information Science and Engineering
Hunan University, Changsha 410082, Hunan, China</font></pre>
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