I've got an ibook and a 120 gb external harddrive that I connect via firewire. I ws running a protools session and something went wrong and I had to shut down the computer (without ejecting the hard drive properly first). When I rebooted I got a message that said the OS could not read any files on the harddrive. I went into disk utilites but I couldn't verify or repair the disc. The only option I have left is to erase the drive and repartition it, and I definetly do not want to do that. Any suggestions?