Not sure if your fstab is 100% correctly, but as far as I see (check out this:
http://www.howtoforge.com/perfect-se...ispconfig-3-p4, point 13) it should more look something like:
Code:
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
/dev/md1 / ext3 errors=remount-ro,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0 0 1
/dev/md0 /boot ext2 defaults 0 2
/dev/sda2 none swap sw 0 0
/dev/sdb2 none swap sw 0 0
And do not forget to run these commands:
mount -o remount /
quotacheck -avugm
quotaon -avug