I know a couple of guys running a jails based system with carp for load balancing and redundancy. they have 4 physical servers in total and have been at it for

I know a couple of guys running a jails based system with carp for load balancing and redundancy. they have 4 physical servers in total and have been at it for more then a decade. the only time they had downtime was during the migration from one DC to the another one. this system runs 80% of the EDI market in my country... simple solutions are usually better.