Setting up RAID in MacOSX

You probably never knew this, or maybe you did, but you can set up RAID via MacOSX. What is this you ask? Basically, think of another drive on your Mac that is a complete mirror of your current drive. If something just happens to blow up on the first drive, the second drive will take over. Just. Like. That.
Nice thing about this is that you can do it straight from the MacOS X boot disk.
Via FrozenNorth