FS Repair a Corrupted Filesystem

Linux

Repairing a Corrupted Superblock

1. Locate the superblock alternates of the filesystem.
   1. # dump2fs /dev/<device> | grep -i superblock
2. Choose a superblock alternate location, and check the filesystem using fsck.
   1. # e2fsck -b <alternate location> /dev/<device>
3. Attempt to mount the filesystem.

Mounting a Filesystem with a Corrupted Superblock

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

Further Reading

1. Recover Corrupted Partition From a Bad Superblock