Is it possible to have Multiple HaProxy?

  • Posted August 31, 2014


I just read this tutorial serie

I have a question, with this haProxy, pretty much any server could go down, and the user won’t see a anything. But what about the haProxy server? What if he goes down? Is there a way to have 2 HaProxy (or more)? So one could go down and everything is still working?

Thank you


For this to work you would need an IP that floats between the 2 HAProxy Droplets. DO doesn’t offer floating IPs as of now.

Another way is to configure DNS failover with a low TTL value. AWS Route53 supports this feature, but if a client doesn’t obey this TTL they’ll get to the Droplet which is offline.

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At the moment we don’t provide support for floating IPs which would allow you to setup heartbeat or another service to swap the active IP between two HAProxy servers.

In the meantime if you want to add a bit of redundancy you can setup two separate HAProxy servers and use DNS round-robin to distribute the load between them in an active-active state. That won’t provide complete failover in the case one goes down but it will provide some redundancy to ensure that not all connections are rejected if a load balancer has failed.

Floating IPs are on our roadmap specifically to allow customers to setup redundant load balancing and other services.