树莓派4B-挂载硬盘

查看硬盘

sudo fdisk -l

Disk /dev/loop0: 48.86 MiB, 51212288 bytes, 100024 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop1: 26.102 MiB, 28307456 bytes, 55288 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop2: 61.61 MiB, 64589824 bytes, 126152 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop3: 48.93 MiB, 51286016 bytes, 100168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop4: 28.5 MiB, 29413376 bytes, 57448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mmcblk0: 29.74 GiB, 31914983424 bytes, 62333952 sectors
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: 0x4ec8ea53

Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1 *      2048   526335   524288  256M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      526336 62333918 61807583 29.5G 83 Linux


Disk /dev/sda: 931.53 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: Generic DISK01
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: 0x5f4d45e4

Device     Boot Start        End    Sectors   Size Id Type
/dev/sda1        2048 1953525167 1953523120 931.5G 83 Linux

前边一堆都是写入操作系统时分配的，最后一个/dev/sda 是我的硬盘，/dev/sda1 是我的硬盘之前的分区

磁盘里的数据都不要了，直接格式化硬盘

mkfs.ext4 /dev/sda

挂载硬盘

sudo mkdir /data
sudo mount /dev/sda /data
sudo chown -R ubuntu:ubuntu /data

查看挂载结果

df -h

 开机自动挂载

vi /etc/fstab
# 写入以下内容
/dev/sda /data ext4 defaults 0 0