difference between he partition's size

[antares atlantide]

This is my file FAIBASE configuration

root at tlon:/boot/fai/bridgetown/install-20080111_141223# cat /srv/fai/config/disk_config/FAIBASE
# generic disk configuration for one small disk
# disk size from 500Mb up to what you can buy today
#
#    [mount options]     [;extra options]
disk_config hda
primary  /             0-20000      rw,errors=remount-ro ;-c -j ext3 --------->
primary  swap          20000-26000                         
primary  /tempo        26000-       rw                   ; -j ext3 --------->

But When i reboot the computer bridgetown, i have

root at bridgetown's password: 
Last login: Fri Jan 11 15:19:05 2008
Plan your installation, and FAI installs your plan.
bridgetown:~# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/hda1             7.7G  446M  6.9G   6% / ---------------->
tmpfs                 376M     0  376M   0% /lib/init/rw
udev                   10M   40K   10M   1% /dev
tmpfs                 376M  4.0K  376M   1% /dev/shm
/dev/hda3              45G  181M   42G   1% /tempo  -----------> 

I note that the partition's size is not respected can you help

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