ubuntu에 외장하드 추가

remark

기존 용량이 작아 64G 외장 하드설치후 마운틴 과장

$ sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL
NAME        FSTYPE  SIZE MOUNTPOINT LABEL
sdb         exfat  59.6G
mmcblk0            14.9G
├─mmcblk0p1 vfat    2.4G            RECOVERY
├─mmcblk0p2           1K
├─mmcblk0p5 ext4     32M            SETTINGS
├─mmcblk0p6 vfat    256M /boot      boot
└─mmcblk0p7 ext4   12.2G /          root

$ sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL

NAME FSTYPE SIZE MOUNTPOINT LABEL

sdb exfat 59.6G

mmcblk0 14.9G

├─mmcblk0p1 vfat 2.4G RECOVERY

├─mmcblk0p2 1K

├─mmcblk0p5 ext4 32M SETTINGS

├─mmcblk0p6 vfat 256M /boot boot

└─mmcblk0p7 ext4 12.2G / root

디스트 설명

sdb exfat 59.6G : 새로 추가 하드
├─mmcblk0p6 vfat 256M /boot boot : 부팅
└─mmcblk0p7 ext4 12.2G / root : 루트

파티션 생성 fdisk /dev/sdb

$ sudo fdisk /dev/sdb

Welcome to fdisk (util-linux 2.33.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): n
To create more partitions, first replace a primary with an extended partition.

Command (m for help): p
Disk /dev/sdb: 59.6 GiB, 64030244864 bytes, 125059072 sectors
Disk model: USB CF Reader
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

Device     Boot      Start        End    Sectors  Size Id Type
/dev/sdb1       4294967295 8589934589 4294967295    2T ff BBT
/dev/sdb2       4294967295 8589934589 4294967295    2T ff BBT
/dev/sdb3       4294967295 8589934589 4294967295    2T ff BBT
/dev/sdb4       4294967295 6854241533 2559274239  1.2T ff BBT

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.

$ sudo fdisk /dev/sdb

Welcome to fdisk (util-linux 2.33.1).

Changes will remain in memory only, until you decide to write them.

Be careful before using the write command.

Command (m for help): n

To create more partitions, first replace a primary with an extended partition.

Command (m for help): p

Disk /dev/sdb: 59.6 GiB, 64030244864 bytes, 125059072 sectors

Disk model: USB CF Reader

Units: sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disklabel type: dos

Disk identifier: 0x00000000

Device Boot Start End Sectors Size Id Type

/dev/sdb1 4294967295 8589934589 4294967295 2T ff BBT

/dev/sdb2 4294967295 8589934589 4294967295 2T ff BBT

/dev/sdb3 4294967295 8589934589 4294967295 2T ff BBT

/dev/sdb4 4294967295 6854241533 2559274239 1.2T ff BBT

Command (m for help): w

The partition table has been altered.

Calling ioctl() to re-read partition table.

Syncing disks.

생성된 파티션 포멧 mkfs.ext4 /dev/sdb

$ sudo mkfs.ext4 /dev/sdb
mke2fs 1.44.5 (15-Dec-2018)
/dev/sdb contains a exfat file system
Proceed anyway? (y,N) y
Creating filesystem with 15632384 4k blocks and 3908128 inodes
Filesystem UUID: 976efdf0-1092-4441-8f52-96c46b9e1f92
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424

Allocating group tables: done
Writing inode tables: done
Creating journal (65536 blocks):
done
Writing superblocks and filesystem accounting information: done

$ sudo mkfs.ext4 /dev/sdb

mke2fs 1.44.5 (15-Dec-2018)

/dev/sdb contains a exfat file system

Proceed anyway? (y,N) y

Creating filesystem with 15632384 4k blocks and 3908128 inodes

Filesystem UUID: 976efdf0-1092-4441-8f52-96c46b9e1f92

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

4096000, 7962624, 11239424

Allocating group tables: done

Writing inode tables: done

Creating journal (65536 blocks):

done

Writing superblocks and filesystem accounting information: done

UUID 확인 blkid

$ sudo blkid

/dev/mmcblk0p6: LABEL_FATBOOT="boot" LABEL="boot" UUID="0210-42E2" TYPE="vfat" PARTUUID="00015d73-06"
/dev/mmcblk0p7: LABEL="root" UUID="34fb8ee7-ff17-4ad8-9dbd-6b2cb6a86014" TYPE="ext4" PARTUUID="00015d73-07"
/dev/sdb: UUID="976efdf0-1092-4441-8f52-96c46b9e1f92" TYPE="ext4"
/dev/mmcblk0: PTUUID="00015d73" PTTYPE="dos"

$ sudo blkid

/dev/mmcblk0p6: LABEL_FATBOOT="boot" LABEL="boot" UUID="0210-42E2" TYPE="vfat" PARTUUID="00015d73-06"

/dev/mmcblk0p7: LABEL="root" UUID="34fb8ee7-ff17-4ad8-9dbd-6b2cb6a86014" TYPE="ext4" PARTUUID="00015d73-07"

/dev/sdb: UUID="976efdf0-1092-4441-8f52-96c46b9e1f92" TYPE="ext4"

/dev/mmcblk0: PTUUID="00015d73" PTTYPE="dos"

Mount 할 디렉토리(data) 생성

sudo mkdir -p /data

sudo mkdir -p /data

fstab 파일에 마운트 정보 추가

sudo nano /etc/fstab

sudo nano /etc/fstab

마지막에 다음 형식 추가

UUID=976efdf0-1092-4441-8f52-96c46b9e1f92 /data ext4 defaults 0 0

UUID=976efdf0-1092-4441-8f52-96c46b9e1f92 /data ext4 defaults 0 0

Mount 적용 명령어 mount -a

sudo mount -a

sudo mount -a

확인 df -h

$sudo  df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root        12G  8.9G  2.4G  80% /
devtmpfs        405M     0  405M   0% /dev
tmpfs           438M     0  438M   0% /dev/shm
tmpfs           438M   45M  393M  11% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           438M     0  438M   0% /sys/fs/cgroup
/dev/mmcblk0p6  253M   54M  199M  22% /boot
tmpfs            88M     0   88M   0% /run/user/1000
/dev/sdb         59G   53M   56G   1% /data

$sudo df -h

Filesystem Size Used Avail Use% Mounted on

/dev/root 12G 8.9G 2.4G 80% /

devtmpfs 405M 0 405M 0% /dev

tmpfs 438M 0 438M 0% /dev/shm

tmpfs 438M 45M 393M 11% /run

tmpfs 5.0M 4.0K 5.0M 1% /run/lock

tmpfs 438M 0 438M 0% /sys/fs/cgroup

/dev/mmcblk0p6 253M 54M 199M 22% /boot

tmpfs 88M 0 88M 0% /run/user/1000

/dev/sdb 59G 53M 56G 1% /data

쓰기권한

sudo chmod -R 777 /data

sudo chmod -R 777 /data