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准备

插入 M.2 硬盘后，打开电源，检查硬盘是否被系统识别

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sudo lsblk

显示信息，发现有设备 nvme0n1

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NAME                 MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
loop0                  7:0    0  63.9M  1 loop /snap/core20/2318
loop1                  7:1    0    64M  1 loop /snap/core20/2379
loop2                  7:2    0    87M  1 loop /snap/lxd/27037
loop3                  7:3    0    87M  1 loop /snap/lxd/29351
loop4                  7:4    0  40.4M  1 loop /snap/snapd/20671
loop5                  7:5    0  38.8M  1 loop /snap/snapd/21759
sda                    8:0    0 465.8G  0 disk
├─sda1                 8:1    0     1G  0 part /boot/efi
├─sda2                 8:2    0     2G  0 part
└─sda3                 8:3    0 462.7G  0 part
  ├─ubuntu--vg-lv--0 253:0    0    32G  0 lvm  [SWAP]
  ├─ubuntu--vg-lv--1 253:1    0     1G  0 lvm  /boot
  └─ubuntu--vg-lv--2 253:2    0 429.7G  0 lvm  /
nvme0n1              259:0    0   1.8T  0 disk

获取新硬盘完整路径

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sudo fdisk -l

显示信息

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Disk /dev/nvme0n1: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: Samsung SSD 990 PRO 2TB
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

新硬盘格式化为 ext4

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sudo mkfs -t ext4 /dev/nvme0n1

输出信息

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mke2fs 1.46.5 (30-Dec-2021)
Discarding device blocks: done
Creating filesystem with 488378646 4k blocks and 122101760 inodes
Filesystem UUID: b51468a6-ed06-47e1-9173-9975da25a197
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
        102400000, 214990848

Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks): done
Writing superblocks and filesystem accounting information: done

尝试挂载

尝试挂载硬盘到目录 /mnt/disk.m2

新建目录

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sudo mkdir /mnt/disk.m2

挂载命令

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sudo mount -t ext4 /dev/nvme0n1 /mnt/disk.m2

检查挂载

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sudo mount

在输出信息中找到 /dev/nvme0n1 相关信息

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/dev/nvme0n1 on /mnt/disk.m2 type ext4 (rw,relatime)

取消挂载

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sudo umount /mnt/disk.m2

配置自动挂载

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sudo vim /etc/fstab

在文件末尾新增配置

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# disk nvme of m2 point at /mnt/disk.m2
/dev/nvme0n1 /mnt/disk.m2 ext4 defaults 0 2