quota磁盘配额

Posted 2022-01-07 mr-ws

quota磁盘配额(user)
1.开启配额功能:
[[email protected] /]# mount -o usrquota /dev/sda5 /mnt/
2.设置用户配额:
[[email protected] /]# edquota -u robin /mnt

3.查询配额的使用情况
[[email protected] /]# repquota -u /mnt
4.启动配额:
[[email protected] mnt]# quotaon /mnt/

测试:
测试空间配额
su - robin
dd if=/dev/zero of=/mnt/data  bs=120M count=1

dd: 写入"/mnt/data" 出错: 超出磁盘限额

测试文件个数配额
touch /mnt/abc1..25.txt

group配额:
group upup
useradd -g upup king
useradd -g upup zorro

1.开启组配额
[[email protected] /]# mount -o grpquota /dev/sda5 /mnt/
2.配置组配额
[[email protected] /]# edquota -g upup
Disk quotas for group upup (gid 1002):
  Filesystem                   blocks       soft       hard     inodes     soft     hard
  /dev/sda5                         0      51200     102400          0       10       20

3.查询配额的使用情况
[[email protected] /]# repquota -g /mnt
4.激活组配额
[[email protected] /]# quotaon -g /mnt/

测试:
[[email protected] ~]# su - king
[[email protected] mnt]$ dd  if=/dev/zero of=/mnt/data1 bs=80M count=1

[[email protected] ~]# su - zorro
[[email protected] ~]$ dd  if=/dev/zero of=/mnt/data2 bs=80M count=1

测试配额空间为共用

设置宽限时间
[[email protected] ~]# edquota -t
Grace period before enforcing soft limits for users:
Time units may be: days, hours, minutes, or seconds
  Filesystem             Block grace period     Inode grace period
  /dev/sda5                     30seconds                  7days

测试:
1.开启配额功能:
[[email protected] /]# mount -o usrquota /dev/sda5 /mnt/
2.设置用户配额:
[[email protected] /]# edquota -u robin /mnt
Disk quotas for user robin (uid 1000):
  Filesystem                   blocks       soft       hard     inodes     soft     hard
  /dev/sda5                         0          50M         100M         0        10        20
3.查询配额的使用情况
[[email protected] /]# repquota -u /mnt
4.启动配额:
[[email protected] mnt]# quotaon /mnt/