lsblk: /dev/mapper: not a block device 无法继续

[Leozaki]

# ./debi.sh
lsblk: /dev/mapper: not a block device

# lsblk
NAME                         MAJ:MIN RM  SIZE RO TYPE MOUNTPOINTS
sda                            8:0    0 25.1T  0 disk
├─sda1                         8:1    0 1007K  0 part
├─sda2                         8:2    0    1G  0 part /boot/efi
└─sda3                         8:3    0 25.1T  0 part
  ├─pve-swap                 252:0    0    8G  0 lvm  [SWAP]
  ├─pve-root                 252:1    0   96G  0 lvm  /
  ├─pve-data_tmeta           252:2    0 15.9G  0 lvm
  │ └─pve-data-tpool         252:4    0 24.9T  0 lvm
  │   ├─pve-data             252:5    0 24.9T  1 lvm
  │   └─pve-vm--100--disk--0 252:6    0   10G  0 lvm
  └─pve-data_tdata           252:3    0 24.9T  0 lvm
    └─pve-data-tpool         252:4    0 24.9T  0 lvm
      ├─pve-data             252:5    0 24.9T  1 lvm
      └─pve-vm--100--disk--0 252:6    0   10G  0 lvm

# ls -la /dev/mapper/
total 0
drwxr-xr-x  2 root root     200 Feb  9 16:11 .
drwxr-xr-x 20 root root    4420 Feb 19 21:47 ..
crw-------  1 root root 10, 236 Feb  9 09:03 control
lrwxrwxrwx  1 root root       7 Feb  9 16:11 pve-data -> ../dm-5
lrwxrwxrwx  1 root root       7 Feb  9 16:11 pve-data_tdata -> ../dm-3
lrwxrwxrwx  1 root root       7 Feb  9 16:11 pve-data_tmeta -> ../dm-2
lrwxrwxrwx  1 root root       7 Feb  9 16:11 pve-data-tpool -> ../dm-4
lrwxrwxrwx  1 root root       7 Feb  9 09:03 pve-root -> ../dm-1
lrwxrwxrwx  1 root root       7 Feb  9 09:03 pve-swap -> ../dm-0
lrwxrwxrwx  1 root root       7 Feb  9 16:11 pve-vm--100--disk--0 -> ../dm-6

其实可以用lsblk -J 然后解析json判断出准确的根分区block。。。

[bohanwood]

理想应该是输出 /dev/sda...

[bohanwood]

你能试试什么命令在你这个条件下能直接输出 sda 吗

[JUJU-desu]

同样的报错，脚本把 disk="/dev/$(lsblk -no PKNAME "$(df /boot | grep -Eo '/dev/[a-z0-9]+')")" 修改为 disk="/dev/$(lsblk -no PKNAME "$(df /boot | grep -Eo '/dev/[a-z0-9/-]+')")" 就可以了