1. create the disk partition disk label .
now we check the /dev/sdb without partition .

use parted tool handle the /dev/sdb . you can see the picture show "using /dev/sdb" , if you want to choose the other disk .eg /dev/sdc , you can run command " select /dev/sdc"

run command " mklabel" create the disk label .

2. create the disk partition . "/dev/sdb1"
