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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have an Openstack Icehouse cluster setup with two management nodes (Nova, Neutron, Horizon etc. ) as well as qpidd (version 0.18) for the message queue. Everything sits behind an HAproxy setup which round robins the request to the both nodes. <o:p></o:p></p><p class=MsoNormal>It works fine until a certain amount of time (couple of days), all the agents from the compute nodes (Nova, Neutron) shows as down in the Horizon web interface. A “openstack-services restart” on both management nodes fixes it normally and the agents are shown as up.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In the Nova logs on the compute nodes I see a lot of messages like the ones below, its seems like the connection to the message queue is lost.:<o:p></o:p></p><p class=MsoNormal>ERROR nova.openstack.common.periodic_task [-] Error during ComputeManager.update_available_resource: Timed out waiting for a reply to message ID b28ae4098c31453c83d963c2a9d6c1ee<o:p></o:p></p><p class=MsoNormal>[…]<o:p></o:p></p><p class=MsoNormal>TRACE nova.openstack.common.periodic_task reply, ending = self._poll_connection(msg_id, timeout)<o:p></o:p></p><p class=MsoNormal>TRACE nova.openstack.common.periodic_task File "/usr/lib/python2.6/site-packages/oslo/messaging/_drivers/amqpdriver.py", line 217, in _poll_connection<o:p></o:p></p><p class=MsoNormal>TRACE nova.openstack.common.periodic_task % msg_id)<o:p></o:p></p><p class=MsoNormal>TRACE nova.openstack.common.periodic_task MessagingTimeout: Timed out waiting for a reply to message ID b28ae4098c31453c83d963c2a9d6c1ee<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here the Haproxy port for qpidd:<o:p></o:p></p><p class=MsoNormal>listen qpid_message_broker<o:p></o:p></p><p class=MsoNormal> bind 10.xxx.xxx.xxx:5672<o:p></o:p></p><p class=MsoNormal> timeout server 1h<o:p></o:p></p><p class=MsoNormal> timeout client 1h<o:p></o:p></p><p class=MsoNormal> timeout connect 240s<o:p></o:p></p><p class=MsoNormal> server xx-xxxxx-x001 10.xxx.xxx.xx1:5672 check inter 10s rise 9999999 fall 5<o:p></o:p></p><p class=MsoNormal> server xx-xxxxx-x002 10.xxx.xxx.xx2:5672 check backup<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any ideas or experiences you had with setting up HAproxy for qpidd? Any help appreciated!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers,<o:p></o:p></p><p class=MsoNormal>Chris<o:p></o:p></p></div></body></html>