1ext2fs_open2: The ext2 superblock is corrupt 2../e2fsck/e2fsck: Superblock invalid, trying backup blocks... 3../e2fsck/e2fsck: The ext2 superblock is corrupt while trying to open test.img 4 5The superblock could not be read or does not describe a valid ext2/ext3/ext4 6filesystem. If the device is valid and it really contains an ext2/ext3/ext4 7filesystem (and not swap or ufs or something else), then the superblock 8is corrupt, and you might try running e2fsck with an alternate superblock: 9 e2fsck -b 8193 <device> 10 or 11 e2fsck -b 32768 <device> 12 13Exit status is 8 14