1) create new VM as below
- 1 cpu
- ram 1 G
- hard disk 1 x 20G ( /dev/sda ; for install OS )
- hard disk 2 x 2G ( use for create datavg )
- hostname ---> srv + student ID ( example : srv42035000 )
- network x 2 ( 1 for public , 1 for private )

2) create datavg from 2 disk from 1)

3) create lv and fs as below
   3.1) path : /data
       LV : /dev/datavg/lvol01
       fs : ext4
       size : 200MB
   3.2) path : /backup
      LV : /dev/mapper/lvol02
      fs : xfs
      size : all remaining space on vg

ข้อ 3 ใช้คำสั่งอะไรครับ