디스크 파티션, 포맷, 마운트

$ sudo su -
# parted /dev/sdc
(parted) mklabel gpt
(parted) print
Disk /dev/sdc: 6001GB
....
(parted) mkpart primary 0GB 6000GB # 위 프린트 된 정보에서 용량 보고 설정
Model: ATA TOSHIBA MC04ACA6 (scsi)
(parted) print
Disk /dev/sdc: 6001GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:

Number  Start   End     Size    File system  Name     Flags
 1      1049kB  6000GB  6000GB               primary


(parted) quit

$ mkfs.ext4 /dev/sdc1 # 숫자는 위 Number를 이어 받음

$ mkdir /data2   # 마운트할 디렉토리 생성
 
$ blkid
/dev/sda1: UUID="4821-C3BE" TYPE="vfat" PARTUUID="16c6ae0b-2107-485c-a277-06c5e263919b"
/dev/sda2: UUID="0f557791-5eee-4036-9094-6bc63137fabe" TYPE="ext2" PARTUUID="80e0aee9-d94b-4c1f-8cd0-ff018d776474"
/dev/sda3: UUID="fh55Qo-19W2-4BNv-ilBK-ouAP-5N0q-x9XWWi" TYPE="LVM2_member" PARTUUID="266ee2d8-9b4a-417a-a945-0d5a17b7d45e"
/dev/sdb1: UUID="18300e0c-a0e0-4763-8eab-d9598c7e78f3" TYPE="ext4" PARTUUID="00a4e06c-01"
/dev/sdc1: UUID="a0ea4eca-de26-4e2b-9176-e35bc67b26e8" TYPE="ext4" PARTLABEL="primary" PARTUUID="6111415e-dc64-4179-8663-1e363ce59a00"
/dev/mapper/ubuntu--vg-root: UUID="6760f168-3bea-4bb3-9fc7-a75063a5f4a1" TYPE="ext4"
/dev/mapper/ubuntu--vg-swap_1: UUID="261cfbf3-33e0-478a-8ed0-4a2db78d75fd" TYPE="swap"

$ vi /etc/fstab # 아래 줄 추가 - sdc1의 uuid=a0ea4eca-de26-4e2b-9176-e35bc67b26e8
/dev/disk/by-uuid/18300e0c-a0e0-4763-8eab-d9598c7e78f3 /data ext4 errors=remount-ro 0 1
/dev/disk/by-uuid/a0ea4eca-de26-4e2b-9176-e35bc67b26e8 /data2 ext4 errors=remount-ro 0 1
 
$ reboot # 만약 바로 붙여서 쓸거면 mount /dev/sdc1 /data2 , 해제하려면 umount /dev/sdc1