From owner-freebsd-questions Thu Jan 4 19:32:35 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id TAA27657 for questions-outgoing; Thu, 4 Jan 1996 19:32:35 -0800 (PST) Received: from Aspen.Woc.Atinc.COM (aspen.woc.atinc.com [198.138.38.205]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id TAA27645 for ; Thu, 4 Jan 1996 19:32:20 -0800 (PST) Received: (from jmb@localhost) by Aspen.Woc.Atinc.COM (8.6.12/8.6.9) id WAA09524; Thu, 4 Jan 1996 22:31:55 -0500 Date: Thu, 4 Jan 1996 22:31:53 -0500 (EST) From: "Jonathan M. Bresler" X-Sender: jmb@Aspen.Woc.Atinc.COM To: Peter Stubbs cc: questions@freebsd.org Subject: Re: duplicating a disk In-Reply-To: <1AE4686642B@aidan.staidan.qld.edu.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@freebsd.org Precedence: bulk On Fri, 5 Jan 1996, Peter Stubbs wrote: > I'm thinking of upgrading my 2.0.5 system to 2.1, but don't want to > have it off line for very long. I have a second disk the same as the > one 2.0.5 is on, so perhaps I can just copy the whole disk to it? > > If I put the disk into the 2.0.5 system and make sure it's configured > for wd1 can I then type something like "cp /dev/rwd0 /dev/rwd1" to > duplicate the disk? use a larger block size, just dd will take forever dd if=/dev/rwd0c of=/dev/rwd1c bs=100k Jonathan M. Bresler FreeBSD Postmaster jmb@FreeBSD.ORG play go. ride bike. hack FreeBSD.--ah the good life i am moving to a new job. PLEASE USE: jmb@FreeBSD.ORG