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disk recovery

disk recovery

2005-05-26 - By Magee, Fred (MRC)

Back

Reply: 1 2 3 4

Good afternoon.

Due to various reasons we have a classified system with no backup
mechanism and have a hard drive with critical user data that has become
corrupted. Does anyone out there know of any software available that
can go in and repair directories and other files? We have 1000's of
hours of critical user data I need to recover and we cannot remove the
disk from it's location so sending it to a data recovery company is not
possible.

When I do an ls -l on the old /home partition I see things like this:

?rwxr-xr-x 52 username1 username1 48621462 1657991535
15628596 May 26 15:56 username1/
?rwxr-xr-x 52 username2 username2 48621462 1657991535
15628596 May 26 15:56 username2/
?rwxr-xr-x 52 username3 username3 48621462 1657991535
15628596 May 26 15:56 username3/
drwxr-xr-x 3 username4 username4 4096 May 23 13:45
username4

The large numbers are different for each of the usernames but the basic
structure looks to be similar. Is there a way to force an fsck against
this partition to see if it can recover anything? We have done a dd
if=/dev/sda of /dev/hdd bs= 32768 so I have an "exact" copy of the disk.

Thanks for any information anyone can provide.

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<div class=Section1>

Good afternoon.<o:p></o:p>

<o:p> </o:p>

Due to various reasons we have a classified system with no
backup mechanism and have a hard drive with critical user data that has become
corrupted.  Does anyone out there
know of any software available that can go in and repair directories and other
files?  We have 1000’s of
hours of critical user data I need to recover and we cannot remove the disk
from it’s location so sending it to a data recovery company is not
possible.<o:p></o:p>

<o:p> </o:p>

When I do an ls –l on the
old /home partition I see things like this:<o:p></o:p>

<o:p> </o:p>

     
       ?rwxr-xr-x    52 username1   username1
48621462
1657991535 15628596 May 26 <st1:time Hour="15" Minute="56">15:56</st1:time> username1/
<o:p></o:p>

     
       ?rwxr-xr-x    52 username2   username2
48621462
1657991535 15628596 May 26 <st1:time Hour="15" Minute="56">15:56</st1:time> username2/
<o:p></o:p>

     
       ?rwxr-xr-x    52 username3   username3
48621462
1657991535 15628596 May 26 <st1:time Hour="15" Minute="56">15:56</st1:time> username3/
<o:p></o:p>

     
       drwxr-xr-x      3 username4   username4
4096 May 23 <st1:time Hour="13" Minute="45">13:45</st1:time> username4<o
:p></o:p>

<o:p> </o:p>

The large numbers are different for each of the usernames
but the basic structure looks to be similar.  Is there a way to force an fsck against this partition to see if it can recover
anything?  We have done a dd if=/dev/sda of /dev/hdd bs=
32768 so I have an “exact” copy of the disk.  <o:p></o:p>

<o:p> </o:p>

Thanks for any information anyone can provide. <o:p></o:p>

<o:p> </o:p>

<o:p> </o:p>

</div>

</body>

</html>

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