1添加四块硬盘 并格式化
2做raid 10
mdadm --create --auto=yes /dev/md10 --level=10 --raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1
3设置开机自动加载raid
mdadm --detail /dev/md10
UUID : 0dee9159:879b236f:56dd61cf:068f03c4
vim /etc/mdadm.conf
ARRAY /dev/md10 UUUID=0dee9159:879b236f:56dd61cf:068f03c4
vim /etc/fstab
/dev/md10 /mnt/raid10 ext3 defaults 0 0
4创建pv
[root@192 ~]# pvcreate /dev/md10
Physical volume "/dev/md10" successfully created
[root@192 ~]# pvdisplay
/dev/cdrom: open failed: 找不到介质
"/dev/md10" is a new physical volume of "39.99 GB"
--- NEW Physical volume ---
PV Name /dev/md10
VG Name
PV Size 39.99 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID T9iEkf-0TEv-ENuj-BP1j-z39P-j8ig-oJrltv
5创建vg
[root@192 ~]# vgcreate -s 5m zhang /dev/md10
Physical extent size must be a power of 2.
[root@192 ~]# vgcreate -s 8m zhang /dev/md10
Volume group "zhang" successfully created
[root@192 ~]# vgdisplay
--- Volume group ---
VG Name zhang
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 39.98 GB
PE Size 8.00 MB
Total PE 5118
Alloc PE / Size 0 / 0
Free PE / Size 5118 / 39.98 GB
VG UUID xmHO9g-Eb5P-Dyhy-4VGI-hgxQ-9n3z-bOCQMN
6建立lv
[root@192 ~]# lvcreate -l 100 -n peng zhang
Logical volume "peng" created
[root@192 ~]# lsdisplay
bash: lsdisplay: command not found
[root@192 ~]# lvdisplay
--- Logical volume ---
LV Name /dev/zhang/peng
VG Name zhang
LV UUID ay1FM6-nSUu-Olgj-7mlj-2brm-QavB-Q9W4Pw
LV Write Access read/write
LV Status available
# open 0
LV Size 800.00 MB
Current LE 100
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 512
Block device 253:0
7 格式化
mkfs.ext3 /dev/zhang/peng
8放大
lvresize -l +100 /dev/zhang/peng
Extending logical volume peng to 1.56 GB
Logical volume peng successfully resized
resize2fs /dev/zhang/peng
9快照
lvcreate -l 100 -s -n backup /dev/zhang/peng
10 磁盘配额
添加用户
vim useradd.sh
[root@192 mn]# sh useradd.sh
Changing password for user laoyu1.
passwd: all authentication tokens updated successfully.
Changing password for user laoyu2.
passwd: all authentication tokens updated successfully.
Changing password for user laoyu3.
passwd: all authentication tokens updated successfully.
Changing password for user laoyu4.
passwd: all authentication tokens updated successfully.
Changing password for user laoyu5.
passwd: all authentication tokens updated successfully.
创建目录并挂载 开启配额功能
mkdir -pv /mnt/guazai/
mount /dev/zhang/peng /mnt/guazai/
建立数据文件
quotacheck -avug
开机加载配额功能
vim /etc/fstab
开启配额
quotaon -avug
编辑用户配额
edquota -u laoyu1
edquota -p laoyu1 -u laoyu2
edquota -p laoyu1 -u laoyu3
edquota -p laoyu1 -u laoyu4
edquota -p laoyu1 -u laoyu5
验证
chmod o+w /mnt/guazai
su - laoyu1
cd /mnt/guazai
[laoyu1@192 guazai]$ dd if=/dev/zero of=laoyu1 bs=1M count=270
dm-0: warning, user block quota exceeded.
270+0 records in
270+0 records out
283115520 bytes (283 MB) copied, 10.8542 seconds, 26.1 MB/s
[laoyu1@192 guazai]$