I'm looking for some failover solution between two web servers.
The web servers (CentOS+Nginx) are running on KVM virtualization platform.
I was testing RedHat high availability cluster but I've seen also tools like: HaProxy, Heartbeat, Keepalive.
- basically both web servers running the same content and the web root is sync with rsync.
Is it a good idea to install this software on the web nodes or should I create a separate guests for this purpose?
Can I use any of this tools for multi-site setup?