What’s the best way to run HAProxy backup as another HAProxy server and avoid cyclical issues
May 22, 2013 in answer
ANSWER:
I am looking in to something similar for my AWS based production envt, I think that using heartbeat can be a good solution in your case. I plan to use heartbeat between two of my HAProxy servers and if one goes down I plan to assign the Elastic IP to the machine which becomes my main server now. I would suggest looking in to hearbeat and here is another link which I found useful for this scenario:

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