test137:/media/hdparm/hdparm-9.37 # ./hdparm -I /dev/sdc|grep -e Model -e Sector\ size
        Model Number:       Hitachi HUA723030ALA640
        Logical  Sector size:                   512 bytes
        Physical Sector size:                   512 bytes
test137:/media/hdparm/hdparm-9.37 # ./hdparm -I /dev/sdd|grep -e Model -e Sector\ size
        Model Number:       ST33000650NS
        Logical/Physical Sector size:           512 bytes