<html><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px"><div id="yui_3_16_0_1_1425020392503_68109" style="" class=""><div style="" class=""><div style="" class="">John, your patch is in the mainline now. I have tested it. Not sure what is the thing I am missing<br style="" class=""></div><div>I have specified cpu model none and even tried setting cpu mode custom also and model kvm64. <br></div><div><br></div><div dir="ltr">I am getting below error on live migration. <br></div><br style="" class=""></div>error log<br style="" class="">----<br style="" class="">Remote error: libvirtError Requested operation is not valid: no CPU model 
specified [u’Traceback (most recent call last):\n’, u’ 
File 
“/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py”, 
line 142, in _dispatch_and_reply\n executo<br style="" class="">
Code<br style="" class="">
500<br style="" class="">
Details<br style="" class="">
File “/opt/stack/nova/nova/conductor/manager.py”, line 606, in 
_live_migrate block_migration, disk_over_commit) File 
“/opt/stack/nova/nova/conductor/tasks/live_migrate.py”, line 
194, in execute return task.execute() File 
“/opt/stack/nova/nova/conductor/tasks/live_migrate.py”, line 62, 
in execute self._check_requested_destination() File 
“/opt/stack/nova/nova/conductor/tasks/live_migrate.py”, line 
100, in _check_requested_destination 
self._call_livem_checks_on_host(self.destination) File 
“/opt/stack/nova/nova/conductor/tasks/live_migrate.py”, line 
142, in _call_livem_checks_on_host destination, self.block_migration, 
self.disk_over_commit) File 
“/opt/stack/nova/nova/compute/rpcapi.py”, line 391, in 
check_can_live_migrate_destination disk_over_commit=disk_over_commit) File 
“/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py”, 
line 156, in call retry=self.retry) File 
“/usr/local/lib/python2.7/dist-packages/oslo_messaging/transport.py”, 
line 90, in _send timeout=timeout, retry=retry) File 
“/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py”, 
line 417, in send retry=retry) File 
“/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py”, 
line 408, in _send raise result<br style="" class="">
Created<br style="" class="">--------------------<br style="" class=""><br style="" class=""></div>debug log <br style="" class="">---------------<br style="" class="">DEBUG (shell:803) Live migration of instance 477e8963-aadf-4dc7-b26f-<div id="yui_3_16_0_1_1425020392503_68110" style="" class="" dir="ltr"><wbr style="" class="">f6e9332dd33b to host celestial5 failed (HTTP 500) (Request-ID: req-7973edbc-8844-41c5-926a-<wbr style="" class="">9f5e7cee62f2)<br style="" class="">Traceback (most recent call last):<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/<wbr style="" class="">shell.py", line 800, in main<br style="" class="">    OpenStackComputeShell().main(<wbr style="" class="">argv)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/<wbr style="" class="">shell.py", line 730, in main<br style="" class="">    args.func(self.cs, args)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/v1_1/<wbr style="" class="">shell.py", line 3001, in do_live_migration<br style="" class="">    args.disk_over_commit)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/v1_1/<wbr style="" class="">servers.py", line 344, in live_migrate<br style="" class="">    disk_over_commit)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/v1_1/<wbr style="" class="">servers.py", line 1124, in live_migrate<br style="" class="">    'disk_over_commit': disk_over_commit})<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/v1_1/<wbr style="" class="">servers.py", line 1240, in _action<br style="" class="">    return self.api.client.post(url, body=body)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/<wbr style="" class="">client.py", line 490, in post<br style="" class="">    return self._cs_request(url, 'POST', **kwargs)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/<wbr style="" class="">client.py", line 465, in _cs_request<br style="" class="">    resp, body = self._time_request(url, method, **kwargs)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/<wbr style="" class="">client.py", line 439, in _time_request<br style="" class="">    resp, body = self.request(url, method, **kwargs)<br style="" class="">  File "/usr/local/lib/python2.7/<wbr style="" class="">dist-packages/novaclient/<wbr style="" class="">client.py", line 433, in request<br style="" class="">    raise exceptions.from_response(resp, body, url, method)<br style="" class="">ClientException: Live migration of instance 477e8963-aadf-4dc7-b26f-<wbr style="" class="">f6e9332dd33b to host celestial5 failed (HTTP 500) (Request-ID: req-7973edbc-8844-41c5-926a-<wbr style="" class="">9f5e7cee62f2)<br style="" class="">ERROR (ClientException): Live migration of instance 477e8963-aadf-4dc7-b26f-<wbr style="" class="">f6e9332dd33b to host celestial5 failed (HTTP 500) (Request-ID: req-7973edbc-8844-41c5-926a-<wbr style="" class="">9f5e7cee62f2)<br style="" class="">----------------------<br style="" class=""></div><br style="" class=""><div id="yui_3_16_0_1_1425020392503_75197"><span></span>Regards
<br></div><div id="yui_3_16_0_1_1425020392503_68020">Neelu</div> <div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;"> <div dir="ltr"> <font face="Arial" size="2"> On Thursday, 26 February 2015 8:21 PM, John Griffith <john.griffith@solidfire.com> wrote:<br> </font> </div>  <br><br> <div class="y_msg_container"><div id="yiv8735366066"><div><div dir="ltr"><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;"><br clear="none"></div><div class="yiv8735366066gmail_extra"><br clear="none"><div class="yiv8735366066gmail_quote">On Thu, Feb 26, 2015 at 7:07 AM, somshekar kadam <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:som_kadam@yahoo.co.in" target="_blank" href="mailto:som_kadam@yahoo.co.in">som_kadam@yahoo.co.in</a>></span> wrote:<br clear="none"><blockquote class="yiv8735366066gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex;"><div class="yiv8735366066yqt9789273494" id="yiv8735366066yqt26749"><div><div style="color:rgb(0,0,0);font-family:'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:16px;background-color:rgb(255,255,255);"><div>First of all thanks for quick reply. <br clear="none"></div><div dir="ltr">Documentation does not mention much about <span><strong>Volume-backed live migration. <br clear="none"></strong></span></div><div dir="ltr"><span><strong>Is it tested, I mean supported and working. <br clear="none"></strong></span></div><div dir="ltr"><span><strong>I will try </strong></span><span><strong>Block live migration as no storage is required. <br clear="none"></strong></span></div><div><span></span></div><div> </div><div><div>
<br clear="none">Regards
<br clear="none">Neelu</div></div><span class="yiv8735366066"> </span><div><br clear="none"><br clear="none"></div><div style="display:block;"> <div style="font-family:'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:16px;"> <div style="font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:16px;"> <div dir="ltr"> <font face="Arial"> On Thursday, 26 February 2015 7:13 PM, Robert van Leeuwen <<a rel="nofollow" shape="rect" ymailto="mailto:Robert.vanLeeuwen@spilgames.com" target="_blank" href="mailto:Robert.vanLeeuwen@spilgames.com">Robert.vanLeeuwen@spilgames.com</a>> wrote:<br clear="none"> </font> </div>  <br clear="none"><br clear="none"> <div><div>> Is the Live Migration of VMs even without shared storage supported in Openstack now.<br clear="none">> If yes is there any document for the same.</div><br clear="none"><br clear="none">Wel, depends on what you call "supported".<br clear="none">Yes, it is possible. <br clear="none">Will it always work? Probably not until you look at the bugs below.<br clear="none">They have been fixed recently but they might not be merged with the version you are running: <br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="https://bugs.launchpad.net/nova/+bug/1270825">https://bugs.launchpad.net/nova/+bug/1270825</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="https://bugs.launchpad.net/nova/+bug/1082414">https://bugs.launchpad.net/nova/+bug/1082414</a><br clear="none"><br clear="none">There might be more issues but I hit the ones mentioned above.<br clear="none">Have a look at the docs to configure it:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://docs.openstack.org/admin-guide-cloud/content/section_configuring-compute-migrations.html">http://docs.openstack.org/admin-guide-cloud/content/section_configuring-compute-migrations.html</a><br clear="none"><br clear="none">Cheers,<br clear="none">Robert van Leeuwen<div><br clear="none"><br clear="none"><br clear="none"><br clear="none"> <br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"></div><br clear="none"><br clear="none"></div>  </div> </div>  </div> </div></div></div><br clear="none">_______________________________________________<br clear="none">
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<br clear="none"></blockquote></div><br clear="none"></div><div class="yiv8735366066gmail_extra"><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;">It's dated and getting the patches backported has proven to take forever, but I did a write up and testing on this a while back [1].  Should still be accurate.</div><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;"><br clear="none"></div><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;">Thanks,</div><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;">John</div><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;"><br clear="none"></div><div class="yiv8735366066gmail_default" style="font-family:monospace, monospace;">[1]: <a rel="nofollow" shape="rect" target="_blank" href="https://griffithscorner.wordpress.com/2014/12/08/openstack-live-migration-with-cinder-backed-instances/">https://griffithscorner.wordpress.com/2014/12/08/openstack-live-migration-with-cinder-backed-instances/</a></div></div></div></div></div><br><br></div>  </div> </div>  </div> </div></body></html>