Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Corrupt USB pen drive
Date: Thu, 17 May 2007 15:45:05
Message-Id: 200705171638.54090.michaelkintzios@gmail.com
In Reply to: Re: [gentoo-user] Corrupt USB pen drive by Dan Farrell
1 On Thursday 17 May 2007 15:45, Dan Farrell wrote:
2 > On Thu, 17 May 2007 12:36:25 +0100
3 >
4 > Mick <michaelkintzios@×××××.com> wrote:
5
6 > >
7 > > I tried to dd the boot sector so that I can look at it on my hard
8 > > drive, but it cannot access /dev/sda. Is there anything that I can
9 > > do with my Gentoo to recover the files on this USB?
10 >
11 > have you tried reading raw from the device like
12 >
13 > | dd if=/dev/sda of=sda.image
14 >
15 > ? That might do the recovery. How to get it out of the image is the
16 > same problem but once the backup succeeds you can plug it into a
17 > windows xp box and reformat, and you will probably end up with the same
18 > partition structure as originally. Then you can try to read the right
19 > part of the image out of the image, once you get the numbers from fdisk
20 > on the newly formatted drive, and end up with an image of sda1. From
21 > there you should be able to mount sda1 and read out the data, if it
22 > isn't corrupted.
23
24 Thanks Dan, as I said above I tried to extract the MBR out of it by running:
25
26 dd if=/dev/sda of=/tmp/r1 bs=512
27
28 But couldn't access it whatsoever.
29
30 > I also am wondering what happened to the partition table. I bet your
31 > coworker has a security-compromised box at home (oh, runs windows?
32 > right...) At any rate, if the data is recoverable, it may be possible
33 > to rebuild the partition table if you can find out where the partition
34 > started and ended. People have done it before, i've read online about
35 > it.
36
37 --
38 Regards,
39 Mick

Replies

Subject Author
Re: [gentoo-user] Corrupt USB pen drive Dan Farrell <dan@×××××××××.cx>
Re: [gentoo-user] Corrupt USB pen drive Tim Allingham <deserted@×××××××××××.au>
Re: [gentoo-user] Corrupt USB pen drive Mick <michaelkintzios@×××××.com>