There is an explanation there from the web host. Basically, he works for a web hosting company but bought that sever himself and they graciously let him run it there for free. He also offered some interesting thought about RAID and the controllers. I'm a network routing guy with my server days, such as they were, long behind me so it was interesting reading his thoughts.
Originally Posted by Light Guru
Bottom line, they do great without charging. I'd be willing to pay as I do here but considering they have had three outages in ten years with no significant data loss the current set up seems to be just fine.