Re: [gentoo-user] Corrupt USB pen drive

[Mick <michaelkintzios@gmail.com>]

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On Thursday 17 May 2007 16:38, Mick wrote:
> On Thursday 17 May 2007 15:45, Dan Farrell wrote:
> > On Thu, 17 May 2007 12:36:25 +0100
> >
> > Mick <michaelkintzios@gmail.com> wrote:
> > > I tried to dd the boot sector so that I can look at it on my hard
> > > drive, but it cannot access /dev/sda.  Is there anything that I can
> > > do with my Gentoo to recover the files on this USB?
> >
> > have you tried reading raw from the device like
> >
> > | dd if=/dev/sda of=sda.image
> >
> > ?  That might do the recovery.  How to get it out of the image is the
> > same problem but once the backup succeeds you can plug it into a
> > windows xp box and reformat, and you will probably end up with the same
> > partition structure as originally.  Then you can try to read the right
> > part of the image out of the image, once you get the numbers from fdisk
> > on the newly formatted drive, and end up with an image of sda1.  From
> > there you should be able to mount sda1 and read out the data, if it
> > isn't corrupted.
>
> Thanks Dan, as I said above I tried to extract the MBR out of it by
> running:
>
> dd if=/dev/sda of=/tmp/r1 bs=512
>
> But couldn't access it whatsoever.
>

Oops! I could access it, but of course I had to try it as root!  Right, I've 
got it on my hard drive now, but still cannot mount it:
==================================
# mount -t vfat /dev/loop2 /tmp/r1
mount: wrong fs type, bad option, bad superblock on /dev/loop2,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
==================================
-- 
Regards,
Mick

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