LVM逻辑卷创建管理

添加三个硬盘分别为5GB. 6GB. 7GB

查看磁盘信息

[[email protected] ~]# fdisk -l

对sdb分区

[[email protected] ~]# fdisk /dev/sdb

P是创建主硬盘   N是添加硬盘

Command (m for help): p

Command (m for help): n

Select (default p): p

Command (m for help): n

Select (default p): p

写入磁盘并退出

Command (m for help): w

将sdb1  sdb2创为一个物理卷

[[email protected] ~]# pvcreate /dev/sdb1 /dev/sdb2

创建卷组

物理卷"/dev/sdb1"和"/dev/sdb2"添加到卷组中

[[email protected] ~]# vgcreate vg01 /dev/sdb1 /dev/sdb2

卷组信息

[[email protected] ~]# vgdisplay

把卷组名字命名lv01

[[email protected] ~]# lvcreate -n lv01 -l 100 vg01

查看设备

[[email protected] ~]# ls /dev/vg01/

 

快速格式化为etx4

[[email protected] ~]# mkfs -t ext4 /dev/vg01/lv01

查看磁盘情况

[[email protected] ~]# df -Th

在mnt/下创建lv01

[[email protected] ~]# mkdir /mnt/lv01

将/dev/vg01/lv01挂载到/mnt/lv01

[[email protected] ~]# mount /dev/vg01/lv01 /mnt/lv01/

查看磁盘信息

[[email protected] ~]# df -Th

 

 

 

 

作业：

[[email protected] ~]# fdisk /dev/sdc

[[email protected] ~]# pvcreate /dev/sdc1 /dev/sdc2

[[email protected] ~]# vgcreate liuqingqing /dev/sdc1 /dev/sdc2

[[email protected] ~]# lvcreate -L 1.5G -n liuqingqing1 liuqingqing

[[email protected] ~]# lvdisplay