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I would like write some data recovery software

gel
I would like to write some data recovery software as a learning thing.
The sort of thing that you would use to recover data from a currupt HDD
or floppy etc. I would like to be pointed in the right direction as
far as modules to use and suggested approaches.

Oct 18 '06 #1
6 2412
gel

Dennis Lee Bieber wrote:
On 17 Oct 2006 20:18:40 -0700, "gel" <or**********@gmail.comdeclaimed
the following in comp.lang.python:
I would like to write some data recovery software as a learning thing.
The sort of thing that you would use to recover data from a currupt HDD
or floppy etc. I would like to be pointed in the right direction as
far as modules to use and suggested approaches.

Uh... this is highly OS dependent... You need to be able to do
direct RAW disk sector addressing; something that OSs don't really like
to give to applications. You also need very good documentation of the
file system (and the only file system I know well enough to navigate at
that level is one I haven't used in over a decade -- the file system
used by the Amiga, which was a hashed-head, multiple linked list
scheme).
--
Wulfraed Dennis Lee Bieber KD6MOG
wl*****@ix.netcom.com wu******@bestiaria.com
HTTP://wlfraed.home.netcom.com/
Yes, OK I guess NTFS would be of most interest to me. From the
research I have been doing it may be that it is a fairly in depth
undertaking and possibly not such a good project considering my
knowledge of NTFS and python. I will have bit more of a look about.

Thanks
(Bestiaria Support Staff: we******@bestiaria.com)
HTTP://www.bestiaria.com/
Oct 18 '06 #2

gel wrote:
I would like to write some data recovery software as a learning thing.
The sort of thing that you would use to recover data from a currupt HDD
or floppy etc. I would like to be pointed in the right direction as
far as modules to use and suggested approaches.
what kind of recovery? disk broken into pieces and recover from it?

Oct 18 '06 #3
In <11**********************@m7g2000cwm.googlegroups. com>, gel wrote:
Dennis Lee Bieber wrote:
>On 17 Oct 2006 20:18:40 -0700, "gel" <or**********@gmail.comdeclaimed
the following in comp.lang.python:

[…] You also need very good documentation of the file system […]

Yes, OK I guess NTFS would be of most interest to me.
Then you'll have a hard time because NTFS specs are not available for
free. Just reverse engineered stuff.

Ciao,
Marc 'BlackJack' Rintsch
Oct 18 '06 #4
gel a crit :
I would like to write some data recovery software as a learning thing.
The sort of thing that you would use to recover data from a currupt HDD
or floppy etc. I would like to be pointed in the right direction as
far as modules to use and suggested approaches.
Once you get a way to access the bytes to recover... the Hachoir library
can be interresting as a model to map structures on these data.

http://hachoir.org/
A+

Laurent.
Oct 18 '06 #5
gel
Laurent Pointal wrote:
gel a crit :
I would like to write some data recovery software as a learning thing.
The sort of thing that you would use to recover data from a currupt HDD
or floppy etc. I would like to be pointed in the right direction as
far as modules to use and suggested approaches.

Once you get a way to access the bytes to recover... the Hachoir library
can be interresting as a model to map structures on these data.

http://hachoir.org/
A+

Laurent.

Cheers, I am having a bit of look at it now

Oct 19 '06 #6
***********************
Your mail has been scanned by InterScan MSS.
***********************
On Friday 20 October 2006 07:29, gel wrote:
Once you get a way to access the bytes to recover... the Hachoirlibrary
can be interresting as a model to map structures on these data.

******http://hachoir.org/

Cheers, I am having a bit of look at it now
Bacula, may be interesting too. (if my infos are correct).

F
Oct 20 '06 #7

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