title: Consul cluster frequently "failed"
body: <p>I'm new to consul and currently experimenting with it. I set up the cluster according to this article: <a href="https://www.digitalocean.com/community/tutorials/an-introduction-to-using-consul-a-service-discovery-system-on-ubuntu-14-04" rel="nofollow">https://www.digitalocean.com/community/tutorials/an-introduction-to-using-consul-a-service-discovery-system-on-ubuntu-14-04</a> all the agents are in "server" mode. However this cluster is rather unstable. When I enter "exec consul members" command on a server I can always see many other servers in "failed" status (sometimes they recover alive but soon fail again). I'm guessing maybe there are some tricks in writing the configuration files. </p>
  
  <p>I use AWS EC2 instances to run those consul agents. </p>
  
  <p>Thanks!
  Yorick</p>