yes, but -> my bad
[root@mail:~]# quotacheck -avugm
quotacheck: Cannot stat() mounted device /dev/root: No such file or directory
quotacheck: Cannot find filesystem to check or filesystem not mounted with quota option.
[root@mail:~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda 47G 3.0G 44G 7% /
tmpfs 998M 128K 998M 1% /dev/shm
[root@mail:~]# ln -s /dev/sda /dev/root
[root@mail:~]# quotacheck -avugm
quotacheck: Scanning /dev/root [/] done
quotacheck: Cannot stat old user quota file //quota.user: No such file or directory. Usage will not be substracted.
quotacheck: Old group file name could not been determined. Usage will not be substracted.
quotacheck: Checked 7607 directories and 96408 files
quotacheck: Old file not found.
[root@mail:~]# quotaon -avug
/dev/root [/]: user quotas turned on
[root@mail:~]#
must do that --->>> [root@mail:~]# ln -s /dev/sda /dev/root
thx