lvm，磁盘配额

[align=left]1、 添加4快硬盘/dev/sdb /dev/sdc /dev/sdd /dev/sdc[/align]
[align=left]2、 将4块硬盘分区[/align]
[align=left]Fdisk –l /dev/sdb[/align]
[align=left]N[/align]
[align=left]P[/align]
[align=left]1[/align]
[align=left]回车[/align]
[align=left]回车[/align]
[align=left]W[/align]
[align=left]Fdisk –l /dev/sdc[/align]
[align=left]N[/align]
[align=left]P[/align]
[align=left]1[/align]
[align=left]回车[/align]
[align=left]回车[/align]
[align=left]W[/align]
[align=left]Fdisk –l /dev/sdd[/align]
[align=left]N[/align]
[align=left]P[/align]
[align=left]1[/align]
[align=left]回车[/align]
[align=left]回车[/align]
[align=left]W[/align]
[align=left]Fdisk –l /dev/sde[/align]
[align=left]N[/align]
[align=left]P[/align]
[align=left]1[/align]
[align=left]回车[/align]
[align=left]回车[/align]
[align=left]W[/align]
[align=left]partprobe[/align]
[align=left]3、 建立raid10[/align]
[align=left]Mdadm –creat –auto=yes /dev/md10 –level=10 --raid-devices=4 /dev/sdb /dev/sdc /dev/sdd /dev/sdc[/align]
[align=left]4、 建立物理卷pvcreate /dev/md10[/align]
[align=left]5、 建立卷组vgcreate –s 16m vfastvg /dev/md10[/align]
[align=left]6、 建立逻辑卷lvcreate –l 300 –n vfastlv vfastvg[/align]
[align=left]7、 格式化逻辑卷 mkfs.ext3 /dev/vfastvg/vfastlv[/align]
[align=left]8、 挂载逻辑卷umount /dev/cdrom[/align]
[align=left]Mount /dev/vfastvg/vfastlv /mnt/[/align]
[align=left]Mount –o remount,usrquote,grpquota /mnt[/align]
[align=left]9建立配额文件[/align]
[align=left]quotacheck -avug[/align]
[align=left]开启配额[/align]
[align=left]quotaon -avug[/align]
[align=left]创建用户[/align]
[align=left] #！/bin/bash[/align]
[align=left] groupadd laoyu[/align]
[align=left]for username in laoyu1 laoyu2 laoyu3 laoyu4[/align]
[align=left]do[/align]
[align=left]useradd -g laoyu $username[/align]
[align=left]echo "123456"| passwd --stdin $username[/align]
[align=left]done[/align]
[align=left]编辑配额[/align]
[align=left]edquota -u laoyu1[/align]
[align=left] [/align]
filename blocks soft hard inodes soft hard

/dev/mapper/vfastvg-vfastlv 0 200000 300000 0 0
[align=left] [/align]
calhost raid10]# edquota -p laoyu1 -u laoyu2

[root@localhost raid10]# edquota -p laoyu1 -u laoyu3

[root@localhost raid10]# edquota -p laoyu1 -u laoyu4
[root@localhost raid10]# edquota -u laoyu2 查看一下

[root@localhost raid10]# edquota -g laoyu

Disk quotas for group laoyu (gid 501):

Filesystem blocks soft hard inodes soft hard

/dev/mapper/vfastvg-vfastlv

[root@localhost raid10]# edquota -t 宽限时间

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/mapper/vfastvg-vfastlv 14days 7days

~
软连接

[root@localhost ~]# ln -s /home /mnt/raid10/

[root@localhost ~]# cd /mnt/raid10/

[root@localhost raid10]# ls

aquota.group aquota.user home lost+found

[root@localhost raid10]# ll

总计 32

-rw------- 1 root root 7168 01-04 18:50 aquota.group

-rw------- 1 root root 7168 01-04 18:51 aquota.user

lrwxrwxrwx 1 root root 5 01-04 18:52 home -> /home

drwx------ 2 root root 16384 01-04 17:31 lost+found
[align=left] [/align]
给普通用户加个写的权限

[root@localhost ~]#chmod o+w /mnt/
[align=left][root@localhost ~]#su - laoyu1[/align]
[align=left][laoyu1@localhost raid5]$cd /mnt/raid10[/align]
[laoyu1@localhost raid5]$dd if=/dev/zero of=laoyu1 bs=1M count=270

md1: warning, user block quota exceeded.

270+0 records in

270+0 records out

283115520 bytes (283 MB) copied, 5.13592 seconds, 55.1 MB/s

[align=left] [/align]
[align=left] [/align]