I have a Mac Pro running Mac OS X Lion, and one of my hard drives has acted weird since attempting to repair permissions. I used Disk Warrior, but it says the HD can't be rebuilt. When I try to format it with Disk Utility, it takes forever to unmount.
I'm wondering if there is a surefire way to format the HD with another program or through the command line.
The HD is 2TB, and the SMART status is verified, so I doubt it is a physical issue.