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<p class="MsoNormal"><span style="color:#1F497D">Hey guy,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Please try as below:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span style="color:#1F497D">If there is no log, maybe config/log file’s privilege issue. You can edit their owner: $ chown nova:nova /etc/nova && chown nova:nova /var/log/nova<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span style="color:#1F497D">After method 1) , there must be logs in log file. You can run command $ nova-manage logs error, it will print all nova services’ error<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span style="color:#1F497D">I facing migration issue similar before, it seems that CPU compatibility is too strict! And you can edit source code in /usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py, in function
 compare_cpu, comment 2lines: <o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#1F497D">#if ret <= 0:<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#1F497D">         #raise exception.InvalidCPUInfo(reason=m % locals())<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#1F497D">Or upgrade Essex to Folsom!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">If methods I metioned work. Please let me know!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">Best wishes,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Segoe Script","sans-serif";color:#1F497D">Yale Yuan<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">From Intel<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> openstack-bounces+ye.a.yuan=intel.com@lists.launchpad.net [mailto:openstack-bounces+ye.a.yuan=intel.com@lists.launchpad.net]
<b>On Behalf Of </b>Narayanan, Krishnaprasad<br>
<b>Sent:</b> Tuesday, January 08, 2013 1:33 AM<br>
<b>To:</b> openstack@lists.launchpad.net<br>
<b>Subject:</b> [Openstack] Strange issue during live migration<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="DE">Hallo All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal">I am using OpenStack ESSEX and I have made all the necessary changes in order to perform live-migration (mounting the nova instances directory and libvirt-bin configurations). The issue that I am facing is when I perform live migration
 using the nova commands, there is neither error in the log file nor on the command and in the Horizon GUI, I could see the VM status changing to Migrating and later turning Active, but in the back end, the VM is not migrating to the specified host. Has anybody
 faced the same issue and can I get to know am I missing any configurations?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Krishnaprasad<o:p></o:p></p>
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