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这个流程第二步就出现如下问题:
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
/dev/sda
**─/dev/sda1 linux_raid 1.2 SiSimon:NAS1 933d7635-1a68-520b-6074-99163139cccf
**─/dev/md126 LVM2_membe LVM2 001 ky9Mxc-FLyh-bLHi-DH2m-eRpS-2Nwm-k63su1
**─/dev/mapper/trim_f8d15257_17f6_446b_8a02_301fd17bf68e-0
btrfs be1ea4c6-e1c5-4d62-843e-ad9c6d555b0f
/dev/sdb
**─/dev/sdb1 linux_raid 1.2 SiSimon:HDD 备份库 a90d35de-59a3-918b-32eb-e8abecd04286
**─/dev/md125 LVM2_membe LVM2 001 oFf2Wg-dJlq-0lBe-abq7-9e14-YV0v-VmLZaY
**─/dev/mapper/trim_5ccf2b0a_c615_49bc_81e2_9a78560a1cba-0
btrfs 03576637-7300-4fda-a267-05e86fa0e432 582.7G 37% /vol3
/dev/nvme0n1
**─/dev/nvme0n1p1 vfat FAT32 67A9-842A 84.5M 9% /boot/efi
**─/dev/nvme0n1p2 ext4 1.0 2ae910cf-3584-4850-820e-a858cd0f67eb 81G 12% /
**─/dev/nvme0n1p3 linux_raid 1.2 SiSimon:System 3fb2b1f0-c3fb-843b-ad31-00e1c94ccbd4
**─/dev/md127 LVM2_membe LVM2 001 ejRcl6-faMc-Sr1A-5xzP-B0O9-0xNV-faieGY
**─/dev/mapper/trim_2eaa30c6_a2a5_41b9_97be_9b1ae347b0e6-0
btrfs 84193fb7-aa31-4a3c-bd04-a6540ee9a7e5 448.2G 47% /vol1
Simon1995@SSi-Family:~$ mount -t btrfs -o ro,usebackuproot,rescue=all /dev/mapper/trim_f8d15257_17f6_446b_8a02_301fd17bf68e-0 /vol2
mount: /vol2: must be superuser to use mount.
dmesg(1) may have more information after failed mount system call.
Simon1995@SSi-Family:~$ sudo mount -t btrfs -o ro,usebackuproot,rescue=all /dev/mapper/trim_f8d15257_17f6_446b_8a02_301fd17bf68e-0 /vol2
[sudo] password for Simon1995:
mount: /vol2: wrong fs type, bad option, bad superblock on /dev/mapper/trim_f8d15257_17f6_446b_8a02_301fd17bf68e-0, missing codepage or helper program, or other error.
dmesg(1) may have more information after failed mount system call. |
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