> People seem to forget that adding a RAID controller creates a single point of failure instead of removing one. :-) At worst it does both. In most cases it re

> People seem to forget that adding a RAID controller creates a single point of failure instead of removing one. :-) At worst it does both. In most cases it really does just remove a single point of failure (a disk). Other non-RAID configurations likely use a shared controller too. Moving that single point of failure to a different controller doesn't make it any worse.