#xem o dia
fdisk -l /dev/sdb
# phan vung gpt
parted /dev/sdb
# tao gpt
(parted) mklabel gpt
#Warning: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
Yes/No? yes
#default unit to TB, enter:
(parted) unit TB
#To create a 3TB partition size, enter:
(parted) mkpart primary 0.00TB 3.00TB
#current partitions, enter:
(parted) print
#thoat
(parted) quit