Hard links are such a nice thing ;-)

[10:53] srsyg01:sources% du -sh ~/backupdir 
4.6M    /home/nico/backupdir
[10:53] srsyg01:sources% du -sh ~/backupdir/*
4.1M    /home/nico/backupdir/daily.2005-12-08-10:52.28456
4.1M    /home/nico/backupdir/daily.2005-12-08-10:53.28484
4.1M    /home/nico/backupdir/daily.2005-12-08-10:53.28507
4.1M    /home/nico/backupdir/daily.2005-12-08-10:53.28531
4.1M    /home/nico/backupdir/daily.2005-12-08-10:53.28554
4.1M    /home/nico/backupdir/daily.2005-12-08-10:53.28577

srwali01:/etc/ccollect/sources# du -sh /mnt/hdbackup/wl6/         
186M    /mnt/hdbackup/wl6/
srwali01:/etc/ccollect/sources# du -sh /mnt/hdbackup/wl6/*
147M    /mnt/hdbackup/wl6/taeglich.2005-12-08-14:42.312
147M    /mnt/hdbackup/wl6/taeglich.2005-12-08-14:45.588