View Full Version : How a Linux Distro Saved Hard Disk Data
November 8th, 2005, 05:27 PM
"Not too long ago, a friend sent me an e-mail that said, "I want to ask for a favor and see if you can help me to recover the data in the hard disk of my daughter's PC." I came to learn that some combination of utilities had wiped out the partition table in the master boot record (MBR). Maybe a tool such as fdisk could fix this problem, but the cylinder numbers weren't available. This article describes how, using a typical Linux distro (SuSE 8.0, in this case) it was possible to recover the master boot record and, with it, my friend's daughter's data."
November 8th, 2005, 06:04 PM
There's a nice CLI tool in the "universe" repository, called testdisk. What it does is restore a harddisk's partition table out of nothing (it scans the HDD to find known filesystems).
I had to troubleshoot remotely a friend of mine in a similar situation (the MBR was all zeroes), what we did was:
1. boot from an Ubuntu live cd he had at hand
2. enable the universe repositories in synaptic
3. install testdisk
4. run testdisk in a terminal
Of course the computer was connected to the net in order to do that.
November 8th, 2005, 07:40 PM
I had the same some weeks ago with a 200GB RAID 5 on a u320 SCSI-Controller, where the first sector got overwritten by zeros. Oh what a joy! Spent almost two days with this crap, since I'm not that familiar with deleted master boot sectors and partition tables... But in the end I got the data back.
I used testdisk too, but from a floppy : )
November 8th, 2005, 08:50 PM
Great, another article from Linux Journal which shows how to recover data. I've been looking around for some time after reading How a Corrupted USB Drive Was Saved by GNU/Linux (http://www.linuxjournal.com/article/8366) and trying to recover data off one of my flash drives. It didn't work for me, because fsck said that both FATs were corrupt.
I installed Sleuthkit and Autopsy about three weeks ago, and was so close to recovering files on the same disk image when I got an error message in Autopsy about something not being installed when it was. I got sidetracked for a while and didn't get back to tracking down the problem. Now I remember it after reading the article
Has anyone tried either solution (testdisk or How a Linux Distro Saved Hard Disk Data (http://www.linuxjournal.com/article/8661) on a flash drive (or its image) yet? I'll try testdisk out first when I get home this evening, but I'm just curious as to how it went for you all and if there was anything I needed to be aware of when I try it.
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