FS Repair a Corrupted Filesystem

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Linux

Repairing a Corrupted Superblock

  1. Locate the superblock backups of the filesystem.
    1. # dump2fs /dev/<device> | grep -i superblock
  2. Choose a superblock backup location, and check the filesystem using fsck.
    1. # fsck -b <superblock backup location> /dev/<device>
  3. Attempt to mount the filesystem.

Mounting a FS with a Corrupted Superblock

  1. Locate the superblock backups of the filesystem.
    1. # dump2fs /dev/<device> | grep -i superblock
  2. The filesystem can also be mounted by passing the location of the backup superblock to the mount command.
    1. # mount sb=<superblock backup location> /dev/<device> <mount location>

Further Reading

  1. Recover Corrupted Partition From a Bad Superblock
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