Where is my disk space?

[sojic]

Centos 5.1 + ispconfig.

Hosted only 1 site.

Disk usage rapidly increase.

# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                     300687608 281613252   3553796  99% /
/dev/sda1               101086     17482     78385  19% /boot
tmpfs                  1029316         0   1029316   0% /dev/shm

I do not have so much data.

Where is my disk space?

[falko]

Might be your logs.
Can you post the output of

df -h

?