Scientific Linux 6
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Set Disk Quota
2011/05/09
  Set Disk Quota. This example shows to set it at /home

[1] Configure
[root@dlp ~]#
vi /etc/fstab


# add "usrquota" for the line like follows

/dev/mapper/vg_dlp-lv_root
/
ext4
defaults
1 1

UUID=87d7a761-7c79-4cdf-869f-6adb50af67d9 /boot
ext4 defaults
1 2

/dev/mapper/vg_data-lv_data
/home
ext4
defaults
,usrquota
1 2

/dev/mapper/vg_dlp-lv_swap
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


[root@dlp ~]#

[root@dlp ~]#
quotacheck -um /home
# create a file for quota

[root@dlp ~]#
quotaon -uv /home
# enable quota

/dev/mapper/vg_data-lv_data [/home]: user quotas turned on
[root@dlp ~]#
quotaon -p -a
# make sure settings

group quota on /home (/dev/mapper/vg_data-lv_data) is off
user quota on /home (/dev/mapper/vg_data-lv_data) is on

[root@dlp ~]#
edquota -u fermi
# set quota for a user 'fermi'


# specify quota. the example below set 1G for it

Disk quotas for user fermi (uid 500):
  Filesystem
blocks
  soft
hard
 inodes
  soft
hard

/dev/mapper/vg_data-lv_data
32
 
1024000
1024000
    8
  0
0


[root@dlp ~]#
# make sure status

*** Report for user quotas on device /dev/mapper/vg_data-lv_data
Block grace time: 7days; Inode grace time: 7days
 Block limits   File limits
User
used
  soft
hard
grace
  used
soft
hard
grace

----------------------------------------------------------------------
root
--
20
  0
0
  3
0
0

fermi
--
32
  1024000
1024000
  8
0
0

[2] Apply a setting for a user to another user.
[root@dlp ~]#
edquota -p fermi cern
# apply quota for 'fermi' to user 'cern'

[root@dlp ~]#
# make sure status

*** Report for user quotas on device /dev/mapper/vg_data-lv_data
Block grace time: 7days; Inode grace time: 7days
 Block limits   File limits
User
used
  soft
hard
grace
  used
soft
hard
grace

----------------------------------------------------------------------
root
--
20
  0
0
  3
0
0

fermi
--
32
  1024000
1024000
  8
0
0

cern
--
32
  1024000
1024000
  8
0
0

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