Friday 9 May 2014

NetGear ReadNAS - Bad Magic Number in Super-Block

Hardware: NetGear ReadyNAS 3200

fsck.ext4: Bad magic number in super-block while trying to open /dev/c/c
/dev/c/c:
The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>

Solutions: 

Get a new ReadyNAS. Spend weeks with support engineers from Europe and USA, your data is gone... new unit required.


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