Recovering deleted files
binary_y2k2 at blueyonder.co.uk
Sun Oct 1 00:33:13 BST 2006
Frode M. Døving wrote:
> Lørdag 30 september 2006 18:20, skrev Dotan Cohen:
>> I'm not sure what I did, but all the files in my
>> /home/dotancohen/Photos directory are gone. The directory in question
>> is on a seperate disk partition from the rest of the system. What
>> tools can I use to recover the files?
>> It is an ext3 filesystem. As soon as I discovered the error I stopped
>> using it, but it is still mounted. I'm on the latest up-to-date
> I'm sorry to say that undeletion of files on ext3 volumes are close to
> This is a quote from:
> Q: How can I recover (undelete) deleted files from my ext3 partition?
> Actually, you can't! This is what one of the developers, Andreas Dilger, said
> about it:
> In order to ensure that ext3 can safely resume an unlink after a crash, it
> actually zeros out the block pointers in the inode, whereas
> ext2 just marks these blocks as unused in the block bitmaps and marks the
> inode as "deleted" and leaves the block pointers alone.
> Your only hope is to "grep" for parts of your files that have been deleted
> and hope for the best.
> - Frode
I know that feeling, recently I accidentally deleted a backup image I
made of a disk, not good. A google later and I found that same quote, AHH.
I was able to find 1 piece of software that says it can recover deleted
files in Ext3  but it only runs on windows (WTF, i know). So I have a
PC with XP on it, that the not so smart people in my family use, so I
installed the software on that. I took the HDD out of my linux PC and
put it in to the windows one and it found some deleted files
(150,368,562 to be exact), after a good 6 hour scan, but didn't show
names, only inode numbers. I tryed to recover some, but I couldn't find
the one I was after. I finally gave up, partly because it was looking
less and less likely that I was going to find the file, but mostly
because I was getting so sick of working on windows I was about to go
for a sledge-hammer.
If you do decide to try the software there are some things you need to know,
1. It's not free, it costs $79
2. It only runs on windows, and it has to be windows not wine
3. It's going to take hours; it took 6 on my 170GB HDD
4. There is no guaranty that you will recover all, if any, of the data.
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