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From: Andries.Brouwer@cwi.nl
To: andre@linux-ide.org, fishman@panix.com, jdow@earthlink.net
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: Microsoft ZERO Sector Virus, Result of Taskfile WAR
Date: Wed, 7 Mar 2001 23:09:49 +0100 (MET)	[thread overview]
Message-ID: <UTC200103072209.XAA126156.aeb@vlet.cwi.nl> (raw)

Andre Hedrick writes:

> That is not the case Joanne is pointing out.
> The SCSI low-level format glue performed by the HOST gets destroyed
> If you write to LBA Zero.  ATA only suffers the lose of the partition
> table and that can be recovered, but SCSI needs that information to know
> where everything else is on the drive.

Joanne Dow wrote:

> > Jens, and others, I have noted a very simple data killer technique that
> > at LEAST works on Quantum SCSI drives as of a couple years ago and some
> > other earlier drives I felt could be sacrificed to the test. You can write
> > as many blocks at once as SCSI supports to the drive as long as you do
> > *NOT* start at block zero. If you write more than 1 block to block zero
> > the drive becomes unformatted. The only recovery is to reformat the
> > drive. The data on the drive is lost for good.

Hm, it is not yet April 1st.
But then, Joanne keeps pet dragons, I believe.
Perhaps writing to sector 0 of a SCSI drive is harmless
in case one does not keep such animals?

Andries


             reply	other threads:[~2001-03-07 22:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-03-07 22:09 Andries.Brouwer [this message]
  -- strict thread matches above, loose matches on Subject: below --
2001-03-06 20:10 Andre Hedrick
2001-03-06 20:44 ` Mike Dresser
2001-03-06 20:55   ` Andre Hedrick
2001-03-06 20:48 ` Jens Axboe
2001-03-06 20:59   ` Andre Hedrick
2001-03-06 21:23     ` James A. Sutherland
2001-03-06 21:26       ` Andre Hedrick
2001-03-06 21:31     ` Jens Axboe
2001-03-06 21:35       ` Andre Hedrick
2001-03-07  5:30   ` J. Dow
2001-03-07 12:21     ` Harvey Fishman
2001-03-07 20:32       ` Andre Hedrick
2001-03-07 20:58         ` Craig Ruff
2001-03-07 21:15           ` Andre Hedrick
2001-03-07 22:05             ` Craig Ruff
2001-03-07 22:35               ` Andre Hedrick
2001-03-07 22:41                 ` Craig Ruff
2001-03-07 21:17         ` Richard B. Johnson

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