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disk recovery



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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