quota

1/ vim /etc/fstab
#
# /etc/fstab
# Created by anaconda on Sat Apr 21 02:17:00 2012
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=7e5005d7-ce45-45b9-a187-83e845c8ef51 /                       ext4    defaults,usrquota,grpquota        1 1
UUID=99dab9ab-fe16-4207-aa06-dcd894effe31 /boot                   ext4    defaults        1 2
UUID=81832f78-e75c-43b7-a8dc-2f5f3e956ce5 swap                    swap    defaults        0 0
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0

添加 defaults,usrquota,grpquota  这一快
2/ quotacheck -cugvm /
对/应用一下quota

3/  quotaon -a
4/edquota  -u test100

Disk quotas for user liuyi (uid 500):
  Filesystem                   blocks       soft       hard     inodes     soft     hard
  /dev/sda2                        40          0         40         11        0        0

5/ su  test100