Gentoo Archives: gentoo-user

From: Iain Buchanan <iaindb@××××××××××××.au>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] {OT} Recovering data from a formatted hard disk
Date: Wed, 01 Feb 2006 02:23:03
Message-Id: 1138760271.9601.17.camel@orpheus
In Reply to: Re: [gentoo-user] {OT} Recovering data from a formatted hard disk by Grant
1 On Tue, 2006-01-31 at 17:39 -0800, Grant wrote:
2 >
3 > Almost everyone seems to agree that recovering data from a formatted
4 > drive is possible. What is the process by which this is done? I've
5 > read here that:
6 >
7 > 1. The space between tracks contains historical data information.
8 >
9 > and:
10 >
11 > 2. There is a difference between a track written with a 0 and then
12 > overwritten with a 0 and a track written with a 1 and then overwritten
13 > with a 0.
14 >
15 > Are these the two processes by which this data recovery is made possible?
16
17 They both rely on the fact that you can read what _was_ once written to
18 the hard drive by examining the spaces. So that's one method.
19
20 The other method of recovering data is just to cat /dev/hda, but that
21 relies on the hd not being "wiped" (overwritten with 0's and 1's many
22 times in a semi-random fashion!).
23 --
24 Iain Buchanan <iain at netspace dot net dot au>
25
26 Never make anything simple and efficient when a way can be found to
27 make it complex and wonderful.
28
29 --
30 gentoo-user@g.o mailing list

Replies

Subject Author
Re: [gentoo-user] {OT} Recovering data from a formatted hard disk Alexander Skwar <listen@×××××××××××××××.name>
Re: [gentoo-user] {OT} Recovering data from a formatted hard disk Grant <emailgrant@×××××.com>