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无法挂载到 /dev/sda3 (lvm2)

tag-icon • tag-icon 22.04 lvm
无法挂载到 /dev/sda3 (lvm2)

作为一名业余爱好者，我在安装最新的 Ubuntu Server LTS 后尝试将 /dev/sda3 分区挂载到挂载点

$ sudo mount /dev/sda3 /home/xxxx/bake-buddy
mount: /home/xxxx/bake-buddy: unknown filesystem type 'LVM2_member'.

我找到了这篇文章并尝试按照那里的回答步骤进行操作挂载未知文件系统类型‘lvm2_member’

    root@tez:/home/xxxx# lvscan
      ACTIVE            '/dev/ubuntu/ubuntu-lv' [235.42 GiB] inherit
root@tez:/home/xxxx# mount /dev/ubuntu/ubuntu-lv /home/xxxx/bake-buddy
root@tez:/home/xxxx# < no error >

但是当我查看 /home/xxxx/bake-buddy 目录时，它与根目录内容相同，所以我有些东西被积压了。你能从下面的显示中看出我需要清理什么吗？还是我应该重新安装？

root@tez:/home/xxxx# vgdisplay
  --- Volume group ---
  VG Name               ubuntu
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  5
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               235.42 GiB
  PE Size               4.00 MiB
  Total PE              60268
  Alloc PE / Size       60268 / 235.42 GiB
  Free  PE / Size       0 / 0
  VG UUID               XXXX-etc etc

root@tez:/home/xxxx# lsblk
NAME                  MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
loop0                   7:0    0    62M  1 loop /snap/core20/1587
loop1                   7:1    0  63.2M  1 loop /snap/core20/1695
loop2                   7:2    0  79.9M  1 loop /snap/lxd/22923
loop3                   7:3    0   103M  1 loop /snap/lxd/23541
loop4                   7:4    0  49.6M  1 loop /snap/snapd/17883
sda                     8:0    0 238.5G  0 disk
├─sda1                  8:1    0     1G  0 part /boot/efi
├─sda2                  8:2    0     2G  0 part /boot
└─sda3                  8:3    0 235.4G  0 part
  └─ubuntu-ubuntu--lv 253:0    0 235.4G  0 lvm  /

root@tez:/# df -h
Filesystem                         Size  Used Avail Use% Mounted on
tmpfs                              1.6G  1.7M  1.6G   1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv   98G  7.5G   86G   9% /
tmpfs                              7.8G     0  7.8G   0% /dev/shm
tmpfs                              5.0M     0  5.0M   0% /run/lock
/dev/sda2                          2.0G  246M  1.6G  14% /boot
/dev/sda1                          1.1G  5.3M  1.1G   1% /boot/efi
tmpfs                              1.6G  4.0K  1.6G   1% /run/user/1000

编辑：根据第一条评论，随后https://unix.stackexchange.com/questions/339011/how-do-i-mount-an-lvm-partition/339621#339621，运行以下步骤：

sudo pvscan
  PV /dev/sda3   VG ubuntu          lvm2 [235.42 GiB / 0    free]
  Total: 1 [235.42 GiB] / in use: 1 [235.42 GiB] / in no VG: 0 [0   ]
sudo vgscan --mknodes
 Found volume group "ubuntu" using metadata type lvm2
sudo vgchange -ay
1 logical volume(s) in volume group "ubuntu" now active
sudo lvscan
 ACTIVE            '/dev/ubuntu/ubuntu-lv' [235.42 GiB] inherit
 sudo mount /dev/ubuntu/ubuntu-lv /home/xxxx/bake-buddy
<no error>

列出了 /home/xxxx/bake-buddy 的内容，这是根目录列表，这不是我想要的。看起来我应该重新安装

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