From owner-freebsd-hackers  Mon Jul  8 14:40:17 2002
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Date: Mon, 8 Jul 2002 14:23:13 -0700 (PDT)
From: Julian Elischer <julian@elischer.org>
To: John Nielsen <hackers@jnielsen.net>
Cc: hackers@FreeBSD.ORG
Subject: Re: offtopic: low level format of IDE drive.
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this is not a 'reformat'

what I want to do is an old-fashionned refomat/verify where the controller
writes new track headers etc.

On Mon, 8 Jul 2002, John Nielsen wrote:

> Julian Elischer <julian@elischer.org> wrote:
> > One of my FreeBSD development boxes had a hernia last week when it lost
> > power while writing to disk. The drive wrote out garbage to a track.
> >
> > I want to reformat the drive, (low level) but the bios doesn't have any
> > support to do this (In the past That is how I did this).
> > The machiine has 1 CD drive and no floppy..
> >
> > anyone with any ideas as to how one can reformat a hard drive feel free to
> > lend me a clue..
> 
> Boot from a fixit CD, and use dd to zero out the whole disk, e.g.:
> 
> dd if=/dev/zero of=/dev/ad0c
> 
> JN
> 
> 


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