1,执行在host文件中配置主名字

	192.168.1.21    <span style="font-family: Arial, Helvetica, sans-serif;">platform-api1</span>

	192.168.1.22    <span style="font-family: Arial, Helvetica, sans-serif;">platform-api2</span>

3,，将集群的cooke设置一直，在21上执行下面的命令，将内容copy到22上

sudo vi  /var/lib/rabbitmq/.erlang.cookie

4，执行命令

rabbitmqctl join_cluster  rabbit@platform-api1

Cluster status of node 'rabbit@platform-api2' ...
[{nodes,[{disc,['rabbit@platform-api1','rabbit@platform-api2']}]}]
...done.

Rabbit - Error: mnesia_unexpectedly_running

rabbitmqctl stop_app
rabbitmqctl reset
rabbitmqctl cluster rabbit@platform-api2