[openstack-dev] [Neutron]The components timing problem

Frank Wang wangpeihuixyz at 126.com
Tue Jan 23 09:08:32 UTC 2018

Hi All,

    I'm really newbie about OpenStack Neutron, Please correct me if I say something wrong. There was a question I'd like to consult.  AMQP is the messaging bus between neutron-server and *agents. we usually use rabbitmq as the back-end of messaging bus.  The problem I encountered is the ovs agent raise an exception while reporting its own state to the server.  Here is my guess, If I restart the controller node, what if the rabbitmq start early than neutron-server. I mean the ovs agent always trying to connect to the rabbitmq. It will report state to the server through RPC once the connection established. if the server is not ready at this time. Does it cause the agent exception?  Any suggestion would be greatly appreciated!

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