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../e2fsck/e2fsck: Trying to load superblock despite errors... 5ext2fs_open2: The ext2 superblock is corrupt 6../e2fsck/e2fsck: Superblock invalid, trying backup blocks... 7../e2fsck/e2fsck: The ext2 superblock is corrupt while trying to open test.img 8 9The superblock could not be read or does not describe a valid ext2/ext3/ext4 10filesystem. If the device is valid and it really contains an ext2/ext3/ext4 11filesystem (and not swap or ufs or something else), then the superblock 12is corrupt, and you might try running e2fsck with an alternate superblock: 13 e2fsck -b 8193 <device> 14 or 15 e2fsck -b 32768 <device> 16 17Exit status is 8 18