From owner-freebsd-questions Wed Apr 22 14:01:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA24354 for freebsd-questions-outgoing; Wed, 22 Apr 1998 14:01:47 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from lincc.lincc.lib.or.us (lincc.lincc.lib.or.us [198.107.142.1]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id VAA24172 for ; Wed, 22 Apr 1998 21:01:11 GMT (envelope-from george@lincc.lib.or.us) Received: from localhost (george@localhost) by lincc.lincc.lib.or.us (8.8.5/8.8.5) with SMTP id OAA11356; Wed, 22 Apr 1998 14:00:08 -0700 (PDT) Date: Wed, 22 Apr 1998 14:00:07 -0700 (PDT) From: George Yobst To: drifter@stratos.net cc: Jos Backus , questions@FreeBSD.ORG Subject: Re: How to make and exact image of an hard disk! In-Reply-To: <199804221806.OAA26238@stratos.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 22 Apr 1998 drifter@stratos.net wrote: *Wed. 22, APR 1998: Jos Backus wrote... * *>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 * * Doesn't: * # cat /dev/rwd0c > /dev/rwd1c * * work as well? Or is that asking for trouble? I use dump/restore - works great for those special /dev files: dump 0f - / | (cd /mroot; restore xf -) I don't know if it does it sector by sector, though. - george --------------------------------------------------------------------- George Yobst, Automation Specialist email: george@lincc.lib.or.us LINCC phone: 503-794-3890 16239 SE McLoughlin Blvd, Suite 208 fax: 503-655-8555 Oak Grove, OR 97267-4654 webmaster: [www.]lincc.lib.or.us "...it is impossible for anyone to begin to learn what he thinks he already knows." - Epictetus To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message