Originally Posted by jonrpick
I can "sudo mount /dev/sda1" and it seems successful. When I type "mount" from the command line it shows /dev/sda1 as being mounted to /mnt/sda1.
Yet it's inaccessible. And if I try to umount it, it says /dev/sda1 isn't mounted at all!
have you tried to create a file as root to see if it's your user account vs failed mount?
"sudo touch testfile.tmp"
"su root", then accessing the drive. with this option you may need to "sudo passwd root" first to change root's password so you know it.