http://www.theatreofnoise.com/2006/08/uninstall-u3-and-free-your-usb-drive.html
)
- Mount the U3 volume, and use the 'mount' command to get the device name (/dev/sr1 in my case).
- Change directory to /sys/class/block/sr1/device (change 'sr1' as applicable).
- Enter 'echo 1 > delete'.
- Voila!
