du -csx /var/
225616  /var/
225616  total
df -h | grep /var
none                  4.0G   64K  4.0G   1% /var/run
none                  4.0G     0  4.0G   0% /var/lock
/dev/sda3              12G  8.7G  1.8G  84% /var
/dev/sda7              92G   15G   73G  17% /var/lib/mysql
/dev/sda8              92G   13G   75G  14% /var/backups/mysql