From owner-freebsd-questions  Wed Apr 22 02:06:45 1998
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Message-ID: <19980422110636.C7207@asterix.urc.tue.nl>
Date: Wed, 22 Apr 1998 11:06:36 +0200
From: Jos Backus <J.G.E.Backus@urc.tue.nl>
To: questions@FreeBSD.ORG
Subject: Re: How to make and exact image of an hard disk!
References: <19980422084413.1978.rocketmail@send1d.yahoomail.com>
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In-Reply-To: <19980422084413.1978.rocketmail@send1d.yahoomail.com>; from boma toma on Wed, Apr 22, 1998 at 01:44:13AM -0700
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On Wed, Apr 22, 1998 at 01:44:13AM -0700, boma toma wrote:
> Is it possible to make and exact image ( each  byte by byte  and
> sector by sector )  on another hard disk, e-g secotr 1 of the master
> disk  should be exactly copied on the sector 1 of the slave disk ?
> Both Hard disks are on same machine!

If the disks are exactly identical geometry/size-wise and have the same amount
of disk blocks, this can be a simple as

	# dd if=/dev/rwd0c of=/dev/rwd1c

(this example, of course, assumes you want to copy disk 0 to disk 1).

Hth,
-- 
Jos Backus                     _/  _/_/_/        "Reliability means never
                              _/  _/   _/         having to say you're sorry."
                             _/  _/_/_/                -- D. J. Bernstein
                        _/  _/  _/    _/
jbackus@urc.tue.nl      _/_/   _/_/_/             use Std::Disclaimer;

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