Not what I wanted to see tonight

18 09 2008

I knew something looked fishy when I looked at this drive and only saw half the volume size I thought was there….

/dev/sdd             240365240 206665208  21490104  91% /media/usb3
dbs@yawl:~$ sudo umount /media/usb3
dbs@yawl:~$ sudo fsck /dev/sdd
fsck 1.40.8 (13-Mar-2008)
e2fsck 1.40.8 (13-Mar-2008)
The filesystem size (according to the superblock) is 61049646 blocks
The physical size of the device is 33554431 blocks
Either the superblock or the partition table is likely to be corrupt!
Abort?

This is the 500gig external USB drive I’ve been carting around. In reality, there’s nothing particularly critical on it, some, er, backed up music files which I’m loathe to part with, but at least it’s not irreplaceable data.

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One response

27 09 2008
Token1980

You’ll probably know these tools but just in case you don’t:

PhotoRec and TestDisk can be real life-savers in these kind of situations. Both open-source and work quite nice.

TestDisk for reconstruction your partitioning data and PhotoRec for reconstructing files which it recognizes – MP3’s and Ogg’s included.

The catch with PhotoRec is that the file must not be fragmented to be fully/correctly recovered.

Whichever will be your approach, good luck!

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