CentOS下创建VG卷组

考虑到有的系统没有，所以第一步还是要首先要先安装 yum install lvm2

创建PV卷:

[root@server ~]# pvcreate /dev/vda3
  Physical volume "/dev/vda3" successfully created.

创建VG卷组

[root@server ~]# vgcreate -s 32M VolGroup01 /dev/vda3
  Volume group "VolGroup01" successfully created