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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:ZH-CN'>I installed everything on another server which didn’t have issue. Maybe I mess up something on the first time installation, or it was because of pre-GA code didn’t work. Don’t have much time to troubleshoot the old OpenStack environment now.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Rami Vaknin [mailto:rvaknin@redhat.com] <br><b>Sent:</b> 2013</span><span lang=JA style='font-size:10.0pt;font-family:"MS PGothic","sans-serif";color:windowtext'>年</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>10</span><span lang=JA style='font-size:10.0pt;font-family:"MS PGothic","sans-serif";color:windowtext'>月</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>24</span><span lang=JA style='font-size:10.0pt;font-family:"MS PGothic","sans-serif";color:windowtext'>日</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> 22:00<br><b>To:</b> Li, Leon<br><b>Cc:</b> Sushma Korati; openstack@lists.openstack.org<br><b>Subject:</b> Re: [Openstack] [neutron] Connection to neutron failed: Maximum attempts reached<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I would also check permissions on log file (maybe it has root owner or something).<br>The best way is to start the service with the "neutron" user, it might output a reason for the service to fail (I know it seems to be running but it actually does not run).<br>Also it might be good to run "echo $?" in order to try to spot the issue by the return code.<br><br><br>On 10/18/2013 12:05 PM, Li, Leon wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>From the output, the RabbitMQ should be fine, right?</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>root@xxxxxx:~# service rabbitmq-server status</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Status of node rabbit@i2052247 ...</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[{pid,1779},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>{running_applications,[{rabbit,"RabbitMQ","2.7.1"},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {os_mon,"CPO CXC 138 46","2.2.7"},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {sasl,"SASL CXC 138 11","2.1.10"},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {mnesia,"MNESIA CXC 138 12","4.5"},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {stdlib,"ERTS CXC 138 10","1.17.5"},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {kernel,"ERTS CXC 138 10","2.14.5"}]},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>{os,{unix,linux}},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>{erlang_version,"Erlang R14B04 (erts-5.8.5) [source] [64-bit] [rq:1] [async-threads:30] [kernel-poll:true]\n"},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>{memory,[{total,26175728},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {processes,11653152},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {processes_used,11644440},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {system,14522576},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {atom,1124433},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {atom_used,1120215},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {binary,126024},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {code,11134393},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> {ets,819856}]},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>{vm_memory_high_watermark,0.3999999994248726},</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>{vm_memory_limit,417298841}]</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>...done.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>root@xxxxxx:~#</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Leon</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><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"'> Sushma Korati [<a href="mailto:sushma_korati@persistent.co.in">mailto:sushma_korati@persistent.co.in</a>] <br><b>Sent:</b> 2013</span><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun;mso-fareast-language:ZH-CN'>年</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>10</span><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun;mso-fareast-language:ZH-CN'>月</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>13</span><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun;mso-fareast-language:ZH-CN'>日</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> 0:23<br><b>To:</b> Li, Leon<br><b>Cc:</b> <a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a><br><b>Subject:</b> RE: [Openstack] [neutron] Connection to neutron failed: Maximum attempts reached</span><o:p></o:p></p></div></div><p class=MsoNormal> <o:p></o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Hi Li, </span><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>I am not sure how to clear connection pool but even we faced a similar issued because rabiitmq server was not running.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Can you check if AMQP server is running properly or not?</span><o:p></o:p></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt'>Regards,</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'>Sushma Korati </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'><a href="mailto:sushma_korati@persistent.co.in">sushma_korati@persistent.co.in</a> | Tel: +91(40)674 42244</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'>Persistent Systems Ltd. </span><span style='font-size:10.0pt;color:#F79646'>| </span><span style='font-size:10.0pt;color:#E36C0A'>Partners in Innovation</span><span style='font-size:10.0pt'> | <a href="http://www.persistentsys.com">www.persistentsys.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=NL style='font-size:24.0pt;font-family:Webdings;color:green'>P</span><span lang=NL style='font-size:8.0pt;font-family:"Arial","sans-serif";color:navy'> </span><span lang=EN-GB style='font-size:8.0pt;font-family:"Arial","sans-serif";color:green'>Please consider your environmental responsibility: Before printing this e-mail or any other document, ask yourself whether you need a hard copy.</span><o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div class=MsoNormal align=center style='text-align:center'><hr size=3 width="100%" align=center></div><div id=divRpF962100><p class=MsoNormal style='margin-bottom:12.0pt'><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"'> Li, Leon [<a href="mailto:Leon.Li2@emc.com">Leon.Li2@emc.com</a>]<br><b>Sent:</b> Saturday, October 12, 2013 2:04 PM<br><b>To:</b> <a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a><br><b>Subject:</b> [Openstack] [neutron] Connection to neutron failed: Maximum attempts reached</span><o:p></o:p></p></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’m installing Havana and meet a problem when run command “neutron agent-list”. </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>root@i2052247:~# neutron agent-list</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Connection to neutron failed: Maximum attempts reached</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Actually it would have same failure when run any neutron command. </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I found bugs <a href="https://bugs.launchpad.net/neutron/+bug/1211915" target="_blank">https://bugs.launchpad.net/neutron/+bug/1211915</a> and <a href="https://bugs.launchpad.net/nova/+bug/1229475/comments/14" target="_blank">https://bugs.launchpad.net/nova/+bug/1229475/comments/14</a>. Workaround is “</span> Forcibly clear connection pool<span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>“. </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Does anyone know how to clear connection pool on Neutron/Havana?</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Leon</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div></div></div></div></div><p>DISCLAIMER ========== This e-mail may contain privileged and confidential information which is the property of Persistent Systems Ltd. It is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you are not authorized to read, retain, copy, print, distribute or use this message. If you have received this communication in error, please notify the sender and delete all copies of this message. Persistent Systems Ltd. does not accept any liability for virus infected mails. <o:p></o:p></p><p class=MsoNormal><span style='font-family:"MS PGothic","sans-serif"'><br><br><br><o:p></o:p></span></p><pre>_______________________________________________<o:p></o:p></pre><pre>Mailing list: <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><o:p></o:p></pre><pre>Post to : <a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a><o:p></o:p></pre><pre>Unsubscribe : <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><o:p></o:p></pre></blockquote><p class=MsoNormal><span style='font-family:"MS PGothic","sans-serif"'><br><br><br><o:p></o:p></span></p><pre>-- <o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Thanks,<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Rami Vaknin, QE @ Red Hat, TLV, IL.<o:p></o:p></pre></div></body></html>