lbaas Unable to retrieve ready devices
on havana release,I install lbaas agent as it recommended step by step: http://docs.openstack.org/network-admin/admin/content/install_neutron-lbaas-agent.html (http://docs.openstack.org/network-adm...)
but when I try to visit the service from horizon,an error occured,there is the log information in /var/log/neutron/lbaas-agent.log ....................................................................................................................................................................................................
ERROR neutron.services.loadbalancer.drivers.haproxy.agent_manager [-] Unable to retrieve ready devices 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager Tble to retrieve ready devices raceback (most recent call last): 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager File "/usr/lib/python2.7/dist-packages/neutron/services/loadbalancer/drivers/haproxy/agent_manager.py", line 212, in sync_state 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager ready_logical_devices = set(self.plugin_rpc.get_ready_devices()) 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager File "/usr/lib/python2.7/dist-packages/neutron/services/loadbalancer/drivers/haproxy/agent_api.py", line 36, in get_ready_devices 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager topic=self.topic 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager File "/usr/lib/python2.7/dist-packages/neutron/openstack/common/rpc/proxy.py", line 130, in call 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager exc.info, real_topic, msg.get('method')) 2013-11-06 14:31:09.457 7434 TRACE neutron.services.loadbalancer.drivers.haproxy.agent_manager Timeout: Timeout while waiting on RPC response - topic: "q-lbaas-process-on-host", RPC method: "get_ready_devices" info: "<unknown>" .................................................................................................................................................................................................................. can someone tell me what cause the error,and how to solve it?