[admin@banana /]$ fdisk -l
Disk /dev/ide/host0/bus0/target0/lun0/disc: 100.0 GB, 100030242816 bytes
255 heads, 63 sectors/track, 12161 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/ide/host0/bus0/target0/lun0/part1 1 28 224878+ 82 Linux swap
/dev/ide/host0/bus0/target0/lun0/part2 29 2461 19543072+ 83 Linux
/dev/ide/host0/bus0/target0/lun0/part3 2462 7325 39070080 83 Linux
/dev/ide/host0/bus0/target0/lun0/part4 7326 12161 38845170 83 Linux
[admin@banana /]$ mount /dev/ide/host0/bus0/target0/lun0/part1 /opt
mount: Mounting /dev/ide/host0/bus0/target0/lun0/part1 on /opt failed: Invalid argument
[admin@banana /]$ mount /dev/discs/disc0/part2 /opt
mount: Mounting /dev/discs/disc0/part2 on /opt failed: Invalid argument