Ok, so I decided to play around and make a raid set for my mac pro. I do audio and some video and a lot of games, so I figured the added performance boost would be nice. My data was all over the drives I had (a partition/disk for every job), so I had to juggle data for most of an evening. First I moved my data off of 2 drives, which I striped and reinstalled OS X on. I used migration assistant to move my home folder and apps over. Some of those apps are crashing, BTW, but that's another rant. So, after some juggling, I have my OS, apps and docs all on one striped set. Cool beans. What I wanted to do next was to create a second striped set and mirror them. I make set 2 and go to mirror the two and...it tells me I can't do it without erasing my data. I don't have enough external storage to move my data off all 4 disks and start over. Am I fooked?