abradley on 26 Nov 2004 03:08:02 -0000


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RE: [PLUG] Linux Disk utilities


To further clarify
I have been migrating towards Linux, so this is more of a test to see if
I can do it.  I know I can recover the disk with a windows utility (If I
pay for it) 
I like what I see with Linux.  I like how it has been maturing and I
would like to try going Windows free at home.  I even have my kids on
Linux(SUSE, Knoppix, FC3).  I have always considered myself a techie.
That is until I started lurking around you command line junkies. :-) I
do not have the skill set to do everything in Linux that I can do in
Windows.  I know it can be done.  I just have to get there.

The disk had Win2k only.  No dual boot.  I typically swap disks when I
want to swap OSes.  I never liked the dual boot thing since I lost the
battle dual booting OS2 and windows 3.0.  No lilo or grub on the disk.

The disk spins and the heads move.  I do not get a SMART error.  If I
wanted to, I know I could re-format the disk.

During the boot sequesnce, the drive is found.

As a stand alone disk at boot the computer displays a No OS error

As a secondary disk on a computer booted to win2k, the OS wants to
format the drive.

R-Studio is a windows disk recovery application.  Something like
Spinrite (Also a commercial windows ($) disk recovery utility)

The r-studio application scanned the disk and found the lost files much
like an undelete utility would.  With out the pay version, I think I can
restore files less than 64k.  If I pay, I am a few clicks away from a
recovered disk.

Yes, I did try MS fdisk and it says the disk is FAT32.  Nope, no copy of
MBR laying around. (I did not know you could do that).  Maxtor's utility
(DLG?) is of no help.

The disk is a Maxtor.  I have been seeing issues with "large" Maxtor
disks.  This is the 3rd one (2 others were friends' disks) in a two
months.  Maybe it's time to change brands.

Considering the information above, is Sluethkit the way to go? And OK,
I'll start with the dd command, and copy the disk byte for byte.  I
found some resources for syntax.

Gracias
AB
-----Original Message-----
From: plug-admin@lists.phillylinux.org
[mailto:plug-admin@lists.phillylinux.org] On Behalf Of cms
Sent: Thursday, November 25, 2004 4:52 PM
To: plug@lists.phillylinux.org
Subject: Re: [PLUG] Linux Disk utilities

On Thursday 25 November 2004 15:23, abradley wrote:
> Are there any Linux disk recovery tools available for free?

Yes. There are a lot of good tools out there that do a variety of
different
things, depending on your needs. Before you do anything, make a copy of
the
entire disk that way should you really mess it up while you're trying to
restore it you'll have a copy to return to--albeit a damaged copy.


> I recently lost a 40gig drive.  Actually, I think I lost the MBR.   I
> tried Fdisk \MBR and a few other things to no avail.

Lost a 40Gb drive? In what way?

'fdisk \mbr' tells me you used MS's fdisk utility to rewrite the mbr on
the
disk. I would suggest you ALWAYS use a Linux/Unix version of fdisk. They
offer
much more functionality than the MS versions. Also, if you have a copy
of the
disk's mbr lying around you could use sfdisk to rewrite the correct mbr
back
to the confused disk.

> I downloaded the R-Studio demo and was able to see the drive contents
> but to get it to work I need to lay down some cash.

Not familiar with R-Studio.

> The drive appears to have been FAT32 (Which is strange because it had
> WIN2K and I usually use NTFS.)

What utility/app told you it was FAT32?

> At work, I am smart enough to back things up.  At home is another
story.
> I am typically a Windows kind of guy at work with a few boxes running
> Windows and Linux for fun at home.

Was this disk a dual-boot setup? Or, did you have Win2k alone on the
disk? Did
you have lilo or Grub installed in the mbr?

> Any pointers will be appreciated.

As long as the drive spins--in other words, as long as the drive hasn't
suffered any serious failures--you should be able to recover data from
it.
Just take your time. First though, make a copy of it!!! If you need a
second
drive for the copy ask a friend to borrow an extra drive or buy
one--hard
drives are fairly inexpensive right now. If you just want to recover the
files
from the disk you could simply make a copy of the disk using dd, or one
of its
clones, and Brian Carrier's Autopsy/Sleuthkit to view the disk's
structure and
recover what you need. [http://www.sleuthkit.org/]

If I can offer any specific help please feel free to ask. I'll be around
all
evening.

To those that celebrate Thanksgiving, have a great day! To those that do
not,
have a great day!

Chris Shanahan

> Regards,
> Andrew Bradley
>
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