1、[root@localhost ~]# fdisk /dev/sdb (fdisk/dev/sdc)(fdisk/dev/sdd)
欢迎使用 fdisk (util-linux 2.23.2)。
更改将停留在内存中,直到您决定将更改写入磁盘。
使用写入命令前请三思。
Device does not contain a recognized partition table
使用磁盘标识符 0xcc7d50b6 创建新的 DOS 磁盘标签。
命令(输入 m 获取帮助):n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
分区号 (1-4,默认 1):
起始 扇区 (2048-167772159,默认为 2048):
将使用默认值 2048
Last 扇区, +扇区 or +size{K,M,G} (2048-167772159,默认为 167772159):+20G
分区 1 已设置为 Linux 类型,大小设为 20 GiB
命令(输入 m 获取帮助):n
Partition type:
p primary (1 primary, 0 extended, 3 free)
e extended
Select (default p):
Using default response p
分区号 (2-4,默认 2):
起始 扇区 (41945088-167772159,默认为 41945088):
将使用默认值 41945088
Last 扇区, +扇区 or +size{K,M,G} (41945088-167772159,默认为 167772159):+20G
分区 2 已设置为 Linux 类型,大小设为 20 GiB
命令(输入 m 获取帮助):n
Partition type:
p primary (2 primary, 0 extended, 2 free)
e extended
Select (default p):
Using default response p
分区号 (3,4,默认 3):
起始 扇区 (83888128-167772159,默认为 83888128):
将使用默认值 83888128
Last 扇区, +扇区 or +size{K,M,G} (83888128-167772159,默认为 167772159):+20G
分区 3 已设置为 Linux 类型,大小设为 20 GiB
命令(输入 m 获取帮助):wq
The partition table has been altered!
Calling ioctl() to re-read partition table.
正在同步磁盘。
[root@localhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 30G 0 disk
├─sda1 8:1 0 500M 0 part /boot
└─sda2 8:2 0 29.5G 0 part
├─centos-root 253:0 0 27.5G 0 lvm /
└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 80G 0 disk
├─sdb1 8:17 0 20G 0 part
├─sdb2 8:18 0 20G 0 part
└─sdb3 8:19 0 20G 0 part
sdc 8:32 0 40G 0 disk
├─sdc1 8:33 0 20G 0 part
├─sdc2 8:34 0 5G 0 part
└─sdc3 8:35 0 5G 0 part
sdd 8:48 0 40G 0 disk
├─sdd1 8:49 0 20G 0 part
├─sdd2 8:50 0 5G 0 part
└─sdd3 8:51 0 5G 0 part
sr0 11:0 1 4G 0 rom /run/media/root/CentOS 7 x86_64
[root@localhost ~]# mdadm -Cv /dev/md5 -l5 -n3 /dev/sd[bcd]1
mdadm: layout defaults to left-symmetric
mdadm: layout defaults to left-symmetric
mdadm: chunk size defaults to 512K
mdadm: size set to 20955136K
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md5 started.
[root@localhost ~]# pvcreate /dev/md5
Physical volume "/dev/md5" successfully created
[root@localhost ~]# vgcreate myvg /dev/md5
Volume group "myvg" successfully created
[root@localhost ~]# lvcreate -L 50 -n mylv myvg
Rounding up size to full physical extent 52.00 MiB
Logical volume "mylv" created.
[root@localhost ~]# mkfs -t xfs /dev/myvg/mylv
log stripe unit (524288 bytes) is too large (maximum is 256KiB)
log stripe unit adjusted to 32KiB
meta-data=/dev/myvg/mylv isize=256 agcount=2, agsize=6528 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0
data = bsize=4096 blocks=13056, imaxpct=25
= sunit=128 swidth=256 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal log bsize=4096 blocks=624, version=2
= sectsz=512 sunit=8 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
2、安装apache(步骤省略)
3、用户需把/dev/myvg/mylv逻辑卷以支持磁盘配额的方式挂载到网页目录下(/usr/local/apache/htdocs)
[root@localhost ~]# mount -o usrquota,grpquota /dev/myvg/mylv /usr/local/apache/htdocs/
4、在网页目录下创建测试文件index.html,内容为用户名称,通过浏览器访问测试
[root@localhost ~]# ls /usr/local/apache/htdocs/
[root@localhost ~]# cd /usr/local/apache/htdocs/
[root@localhost htdocs]# touch index.html
[root@localhost htdocs]# ls
index.html
[root@localhost htdocs]# vi index.html
5、创建用户账户,对LVM配置磁盘配额限制用户磁盘容量为软限制80M,硬限制100M;文件数量软限制100个,硬限制80个。
[root@localhost ~]# useradd litianyang
[root@localhost ~]# quotacheck -avug
quotacheck: Skipping /dev/mapper/myvg-mylv [/usr/local/apache/htdocs]
quotacheck: Cannot find filesystem to check or filesystem not mounted with quota option.
[root@localhost ~]# quotaon -avug
[root@localhost ~]# edquota -u litianyang