Comment Re:Tangental question... (Score 1) 136
Just use mod_proxy_balancer (included in Apache) either to load-balance sessions between the two servers using session tracking, or to to use a server as a backup with the parameter "status=+H" (only available for the latests Apache versions).
http://httpd.apache.org/docs/2.3/mod/mod_proxy_balancer.html
http://httpd.apache.org/docs/2.3/mod/mod_proxy_balancer.html