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Re: Formatting Hard-drives and Recovery

  • Subject: Re: Formatting Hard-drives and Recovery
  • From: Roy Schestowitz <newsgroups@schestowitz.com>
  • Date: Sat, 30 Jul 2005 08:04:08 +0100
  • Newsgroups: alt.os.linux.suse
  • Organization: schestowitz.com / Manchester University
  • References: <jn2hr2-j65.ln1@penne.houghi> <dc54ct$28ji$1@godfrey.mcc.ac.uk> <kvihr2-kf9.ln1@penne.houghi> <dc59s9$3lr$3@nntp.itservices.ubc.ca> <3kmvqjFug07oU2@individual.net> <HKGdnW5dbpV__HvfRVn-sw@rogers.com> <dc5oji$2eau$1@godfrey.mcc.ac.uk> <VqidnTx4IO-CNHvfRVn-1g@rogers.com> <dc6v0k$2on8$2@godfrey.mcc.ac.uk> <oY6dnQksYrWg8nrfRVn-2Q@rogers.com> <v08kr2-ckj.ln1@penne.houghi> <dc88tq$1914$1@godfrey.mcc.ac.uk> <slrndeit2c.6kt.ibuprofin@compton.phx.az.us> <dcc6ob$fg8$1@godfrey.mcc.ac.uk> <slrndeligt.abc.ibuprofin@compton.phx.az.us> <dcen3b$2bbn$1@godfrey.mcc.ac.uk> <20050729222308.400d2b49@efreet.linux>
  • Reply-to: newsgroups@schestowitz.com
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Kevin Nathan wrote:

> On Sat, 30 Jul 2005 03:01:36 +0100
> Roy Schestowitz <newsgroups@schestowitz.com> wrote:
>> I have always believed that when formatting a floppy disk, going
>> through the sectors involved stuffing them with arbitrary bits or
>> just zeros.
> Actually, hex F6 for the nigglers amongst us . . . :-)

I don't think in hex anymore. Hardware professionals need to be better
orientated in hex, as I too had to be when I worked on an ARM debugger:

> I once wrote an assembler routine to wipe the bubble memory (and/or hard
> drives) for a military group back when I was still in the Navy. I was
> never told if it was used, or not, but it took eight hours on a 5 MB
> hard drive. Since I never actually had access to the boxes with
> bubble memory, I have no idea how long it took to run on them,
> but 640KB of main memory took about 20 minutes (4.77MHz clock on
> an 8088) . . . ;-)

Judging by the size of the main memory, the machines were probably 386 with
or without a hard-drive which contained no more than 400 MB of data. So, I
guess your algorithm was sufficiently useful. *smile*

Anon1: What do you do for a living?

Anon2: I build houses for people.

Anon1: And what do _you_ do for a living?

Anon3: I demolish houses.

Anon1: Kevin, what did _you_ do for a living?

Kevin: I help people destroy data.

Just a joke anyway...


Roy S. Schestowitz

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