size of disc space

почему parted верно отображает размер 1-го раздела, а df нет?


# parted /dev/hda
GNU Parted 1.6.22
Copyright (C) 1998 - 2005 Free Software Foundation, Inc.
This program is free software, covered by the GNU General Public License.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

Using /dev/hda
(parted) print
Disk geometry for /dev/hda: 0.000-156334.500 megabytes
Disk label type: msdos
Minor    Start       End     Type      Filesystem  Flags
1          0.031  39997.771  primary   ext3        boot



$ df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/hda1              15G  7.4G  6.4G  54% /
/dev/shm              252M     0  252M   0% /dev/shm