fdisk -l
pvcreate /dev/sdb1
vgcreate vg1 /dev/sdb1
vgdisplay
lvcreate -L 63G -n lv0 vg1
lvscan
mkfs -t ext4 /dev/vg1/lv0
pvcreate /dev/sdb2
vgcreate vg2 /dev/sdb2
vgdisplay
lvcreate -L 63G -n lv1 vg2
lvscan
mkfs -t ext4 /dev/vg2/lv1
pvcreate /dev/sdb3
vgcreate vg3 /dev/sdb3
vgdisplay
lvcreate -L 63G -n lv2 vg3
lvscan
mkfs -t ext4 /dev/vg3/lv2
mount /dev/vg1/lv0 /data/fdfs/storage1
mount /dev/vg2/lv1 /data/fdfs/storage2
mount /dev/vg3/lv2 /data/fdfs/storage3
vim /etc/fstab
/dev/vg1/lv1 /data/fdfs/storage1 ext4 defaults 0 0
/dev/vg2/lv2 /data/fdfs/storage2 ext4 defaults 0 0
/dev/vg3/lv3 /data/fdfs/storage3 ext4 defaults 0 0
mount /dev/vg1/lv0 /home/ap/nas
/dev/vg1/lv1 /home/ap/nas ext4 defaults 0 0