CentOS disk expansion, new LV

1, expansion already has the LV on the LVM

1.1 New PV--pvcreate/dev/sd*

1.2 Add the new PV to the LVM-->vgextend vg_ruiy/dev/sd*

1.3 Viewing LVM--vgdisplay-v Vg_ruiy after adding PV

1.4 Expansion LV---lvextend-l + 20g/dev/vg_ruiy/lv_root

1.5 File system Expansion--resize2fs/dev/vg_ruiy/lv_root

Congratulation,work out!
2, create new LV

pvcreate/dev/sd* [Pvcreate-f-b/dev/sd*]

Vgcreate vg_name/dev/sd*

Lvcreate-n data001 Vg_ruiy (lvcreate-l 500-n data001 Vg_ruiy)

mkfs.ext4/dev/vg_ruiy/data001

3,lvcreate–l 20g–n web01-lvm VG_LVM a new LV on your VG

CentOS disk expansion, new LV