Gentoo Archives: gentoo-user

From: Uwe Thiem <uwix@××××.na>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] {OT} Recovering data from a formatted hard disk
Date: Tue, 31 Jan 2006 17:25:40
Message-Id: 200601311903.08895.uwix@iway.na
In Reply to: Re: [gentoo-user] {OT} Recovering data from a formatted hard disk by "Schleimer
1 On 31 January 2006 15:19, Schleimer, Ben wrote:
2 > I understand that writing zeros over the file should permenately delete the
3 > data
4
5 Don't believe people telling that. The data will still be recoverable (with
6 the right hardware). That is so because overwriting a "0" with a "0" will
7 lead to another level of manetic field than overwriting a "1" with a "0". The
8 only way to wipe out data safely is to write different random bit over it
9 several times.
10
11 > but couldn't the data be cached elsewhere on the drive, especially
12 > with journalling filesystems??
13
14 Journalling filesystems are a problem when it comes to wipe out single files.
15 Wiping out the whole harddrive is still possible.
16
17 Uwe
18
19 --
20 Unix is sexy:
21 who | grep -i blonde | date
22 cd ~; unzip; touch; strip; finger
23 mount; gasp; yes; uptime; umount
24 sleep
25 --
26 gentoo-user@g.o mailing list

Replies

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