<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Did you try to remove it from the DB? Just a suggestion. </div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div> <div id="bloop_sign_1389116912891302144" class="bloop_sign"><div style="font-family:helvetica,arial;font-size:13px">— <br></div><div style="font-family:helvetica,arial;font-size:13px">Ciao</div><div style="font-family:helvetica,arial;font-size:13px">Remo Mattei</div></div> <div style="color:gray"><hr style="style:linear">Da: <span style="color:black">Wanghao (S)</span> <a href="mailto:wanghao749@huawei.com">Wanghao (S)</a><br>Rispondi: <span style="color:black">Wanghao (S)</span> <a href="mailto:wanghao749@huawei.com">wanghao749@huawei.com</a><br>Data: <span style="color:black">January 7, 2014 at 4:10:29</span><br>A: <span style="color:black">Openstack Milis</span> <a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a><br>Oggetto: <span style="color:black"> [Openstack] [Ask] How to delete a Volume safely in LVM? <br></span></div> <blockquote type="cite" class="clean_bq"><span><div lang="ZH-CN" link="blue" vlink="purple" style="text-justify-trim:punctuation" xml:lang="ZH-CN"><div>
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<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US">Hi
all:</span></p>
<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US">When
deleting a volume using LVM driver, it will ‘dd /dev/zero ’ to
whole volume in default. But it takes a long time when the volume
size is big , and the cost is expensive.</span></p>
<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US">I want use
the configuration.volume_clear_size to delete volume safely, How to
configure a appropriate value of this option? May be 15M or
10M?</span></p>
<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US" xml:lang="EN-US">THX</span></p>
</div>
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