我正在尝试对我使用提取的 btrfs 图像文件执行恢复操作
# dd if=/dev/sda1 of=/mnt/sda1.img
该文件似乎已正确提取：
$ file sda1.img
sda1.img: DOS/MBR boot sector
虽然用 parted 阅读它有点不透明
$ sudo parted sda1.img
GNU Parted 3.2
Using /run/media/robert/exthdd2/sda1.img
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p
Model: (file)
Disk /run/media/robert/exthdd2/sda1.img: 240GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
尝试安装它会导致错误
$ sudo mount -o loop -t btrfs sda1.img /mnt/
mount: mount /dev/loop0 on /mnt failed: Operation …