Your instance directory is shared between compute nodes?<br>Similar issue was fixed for folsom-rc1 <br><a href="https://review.openstack.org/#/c/12024/">https://review.openstack.org/#/c/12024/</a><br><div class="gmail_quote">
<a href="https://bugs.launchpad.net/nova/+bug/1014227">https://bugs.launchpad.net/nova/+bug/1014227</a><br><br><br>2012/9/24 Razique Mahroua <span dir="ltr"><<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Here is what I found<div><a href="http://comments.gmane.org/gmane.comp.emulators.qemu/153254" target="_blank">http://comments.gmane.org/gmane.comp.emulators.qemu/153254</a></div>
<div><a href="http://osdir.com/ml/qemu-devel/2012-05/msg04234.html" target="_blank">http://osdir.com/ml/qemu-devel/2012-05/msg04234.html</a></div><div><br></div><div>What do you think ?</div><div><br></div><div><div class="im">
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<span style="border-collapse:separate;font-family:'Lucida Grande';border-spacing:0px"><span style="font-family:Helvetica"><span style="font-family:Helvetica"><b style="color:rgb(19,112,138)">Nuage & Co - Razique Mahroua</b></span><span style="color:rgb(19,112,138);font-family:Helvetica"><b> </b></span><span style="border-collapse:separate;font-family:Helvetica;font-style:normal;font-variant:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-size:medium"><span style="border-collapse:separate;font-variant:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="border-collapse:separate;font-variant:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal">
<font color="#13708a"><a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a></font></div></span><br><span></span><span style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal"></span><span style="font-weight:normal"></span></span><span><img height="125" width="125"></span>
</span></span></span></div>
<br></div><div><div>Le 24 sept. 2012 à 10:43, Wangpan <<a href="mailto:hzwangpan@corp.netease.com" target="_blank">hzwangpan@corp.netease.com</a>> a écrit :</div><br><blockquote type="cite"><div marginheight="0" marginwidth="0" style="font-size:12pt;font-family:宋体,serif;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;line-height:1.3;border-width:0px;margin:12px">
<div class="im"><div><font size="3" face="宋体">qemu-img check -f qcow2 test.qcow2<br>No errors were found on the image.</font></div><div> </div><div align="left"><font color="#c0c0c0" face="Verdana">2012-09-24</font></div>
<div align="left"><font face="Verdana"><hr align="left" size="2" style="width:122px;min-height:2px"></font></div><div align="left"><font color="#c0c0c0" face="Verdana">Wangpan</font></div><div><font face="Verdana"><hr></font></div>
<div><font face="Verdana"><strong>发件人：</strong>Razique Mahroua</font></div><div><font face="Verdana"><strong>发送时间：</strong>2012-09-24 16:30</font></div><div><font face="Verdana"><strong>主题：</strong>Re: Re: [Openstack] [Nova] Got 'qemu-img: error while writing sector 634880: Input/output error' in _create_image</font></div>
<div><font face="Verdana"><strong>收件人：</strong>"Wangpan"<<a href="mailto:hzwangpan@corp.netease.com" target="_blank">hzwangpan@corp.netease.com</a>></font></div><div><font face="Verdana"><strong>抄送：</strong>"openstack"<<a href="mailto:openstack@lists.launchpad.net" target="_blank">openstack@lists.launchpad.net</a>></font></div>
<div><font face="Verdana"></font> </div></div><div><font face="Verdana"><div class="im">hi, <div>what about a </div><div>qemu-img check -f qcow2 test.qcow2</div><div><br></div></div><div><br><div><span style="text-transform:none;text-indent:0px;border-collapse:separate;font-style:normal;font-variant:normal;font-weight:normal;font-size:medium;line-height:normal;font-family:'Lucida Grande';white-space:normal;letter-spacing:normal;word-spacing:0px;border-spacing:0px"><span style="font-family:Helvetica"><div class="im">
<span style="font-family:Helvetica"><b style="color:rgb(19,112,138)">Nuage & Co - Razique Mahroua</b></span><span style="font-family:Helvetica;color:rgb(19,112,138)"><b> </b></span></div><span style="line-height:normal;text-transform:none;font-variant:normal;font-style:normal;text-indent:0px;border-collapse:separate;font-family:Helvetica;white-space:normal;letter-spacing:normal;font-size:medium;word-spacing:0px;border-spacing:0px"><span style="line-height:normal;text-transform:none;font-variant:normal;text-indent:0px;border-collapse:separate;white-space:normal;letter-spacing:normal;word-spacing:0px;border-spacing:0px"><span style="line-height:normal;text-transform:none;font-variant:normal;text-indent:0px;border-collapse:separate;white-space:normal;letter-spacing:normal;word-spacing:0px;border-spacing:0px"><div style="font-style:normal;font-family:Helvetica;font-size:medium;font-weight:normal">
<font color="#13708a"><a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a></font></div></span><br><span></span><span style="font-style:normal;font-family:Helvetica;font-size:medium;font-weight:normal"></span><span style="font-weight:normal"></span></span><span><span><NUAGECO-LOGO-Fblan_petit(1).jpg></span></span></span></span></span></div>
<div class="im"><br><div><div>Le 24 sept. 2012 à 10:19, "Wangpan"<<a href="mailto:hzwangpan@corp.netease.com" target="_blank">hzwangpan@corp.netease.com</a>> a écrit :</div><br><blockquote type="cite">Thanks for your attention!<br>
<br>- disk full ----# I believe there is enough space, because I have tried to boot serveral instances after this error with the same image, they are all booted successfully.<br>- permission issues ----# Not this reason, too. explain as above.<br>
<br>I still believe this is a race problem, if we convert to image from qcow2 to raw at a short interval, one of the convertion may fail,<span> </span><br>I have verified this by running two same commands continuously such as:<br>
qemu-img convert -f qcow2 -O raw test.qcow2 test.part &<br>and one of them give me the same error:<br>qemu-img: error while writing sector 1052672: Input/output error</blockquote></div></div></div></font></div></div>
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