disktool -l
look for iPod
mkdir /whatever
mount_hfs /dev/disk2s3 /whatever (or whatever the mount appears as)
umount /whatever
disktool -e disk2
disktool -l
look for iPod
mkdir /whatever
mount_hfs /dev/disk2s3 /whatever (or whatever the mount appears as)
umount /whatever
disktool -e disk2
test
testing 123
testing again