More and more recently I've been hearing my hard drive occasionally start clicking for a few moment and my system would freeze during this time. After some research I thought my drive was failing because it shares the same model number as the Seagate drives from Apple's replacement program. So I called Apple to ask about getting the drive replaced, but the support advisor told me it actually seems like it could be corrupted data on the drive, and that would cause the drive to spend more time on a particular drive sector than usual, and so he said I should first erase and re-install OS X to rule that out and then call back if the problem persists. I was just wondering how likely this sounds to you guys like it could be corrupted data. I'm not a pro when it comes to hard drives by any means, but could a simple erase and re-install fix the clicking noise and freezing?