PV：Physical Volume, 物理卷

VG：Volume Group，卷组

LV：Logical Volume，逻辑卷

(If commands shows not found, please install it.  #sudo yum install lvm2 -y  )

1. Create PV

[root@shunshun001 /]# pvcreate /dev/nvme0n1

[root@shunshun001 /]# pvcreate /dev/nvme1n1

2. Create VG and extend VG

[root@shunshun001 /]# vgcreate vg_data /dev/nvme0n1

[root@shunshun001 /]# vgextend vg_data /dev/nvme1n1

3. Create LV

# lvcreate -l[自定义分区大小] -n[自定义分区名称] [vg名称]

[root@shunshun001 /]# lvcreate -l 100%VG -n lvm_data vg_data

4. Create file system

[root@shunshun001 /]# mkfs -t ext4 /dev/vg_data/lvm_data

5. Mount

[root@shunshun001 /]# mount /dev/vg_data/lvm_data /data

6. Automount and check.

Edit /etc/fstab,  use mount and umount command to check.