Hi, I just got a brand new mac pro desktop. It came with a 600GB HDD. I purchased a second identical internal 600GB HDD. I wanted to do setup a RAID 1 using these 2 drives. Currently the main drive has the OS and all my other apps installed. I installed the 2nd drive and was fooling with disk utility. I'm not sure how to set this up however. I tried numerous guides online but I just cant figure it out. I guess for starts, is this even possible w/ what I have on hand? MAC PRO (takes up to 4 internal drives) - currently installed 2 identical drives Leopard Using Disk utility The RAID tab says "online" and the status is green (indicating the RAID is working). However on my desktop i see the 2nd hardddrive mounted with no contents in it. I just want to able to use the 2nd drive as a mirror so this way if one fails I'm still up and running. Any input would be much appreciated! Thanks!