From owner-freebsd-questions@FreeBSD.ORG Sat Jul 19 06:56:33 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 995BC1065677 for ; Sat, 19 Jul 2008 06:56:33 +0000 (UTC) (envelope-from peter@boosten.org) Received: from smtpq1.groni1.gr.home.nl (smtpq1.groni1.gr.home.nl [213.51.130.200]) by mx1.freebsd.org (Postfix) with ESMTP id 3E02C8FC15 for ; Sat, 19 Jul 2008 06:56:33 +0000 (UTC) (envelope-from peter@boosten.org) Received: from [213.51.130.188] (port=52365 helo=smtp3.groni1.gr.home.nl) by smtpq1.groni1.gr.home.nl with esmtp (Exim 4.60) (envelope-from ) id 1KK6Mp-00041s-8R; Sat, 19 Jul 2008 08:56:31 +0200 Received: from cp268254-a.landg1.lb.home.nl ([84.25.65.88]:4918 helo=ra.egypt.nl) by smtp3.groni1.gr.home.nl with esmtp (Exim 4.60) (envelope-from ) id 1KK6Mo-0001qR-OY; Sat, 19 Jul 2008 08:56:31 +0200 Received: from [127.0.0.1] (xp.egypt.nl [192.168.13.35]) by ra.egypt.nl (Postfix) with ESMTP id 20B223989F; Sat, 19 Jul 2008 08:56:30 +0200 (CEST) Message-ID: <4881901C.8000504@boosten.org> Date: Sat, 19 Jul 2008 08:56:28 +0200 From: Peter Boosten User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Malcolm Kay References: <48810956.5090905@boosten.org> <200807191137.21771.malcolm.kay@internode.on.net> In-Reply-To: <200807191137.21771.malcolm.kay@internode.on.net> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 080713-0, 07/13/2008), Outbound message X-Antivirus-Status: Clean X-Spam-Score: -0.0 (/) Cc: freebsd-questions@freebsd.org Subject: Re: dump and restore X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Jul 2008 06:56:33 -0000 Malcolm Kay wrote: > On Sat, 19 Jul 2008 06:51 am, Peter Boosten wrote: >> >> The /usr/ partition was 74Gb, and it took (according to dump >> 52631 seconds (~ 14.5 hours) to copy. Both disks are IDE, in >> the same machine on different IDE controllers. >> > The time for dump/restore normally depends more on the occupancy > of the partition than its actual size. This is one reason why we > avoid using dd for this purpose as we must then copy the entire > 74Gb rather than just that used. > Hmmm, I didn't even know it was possible to dump a partition unmounted. Try that next time then. The actual partition size was ~200GB, but around 74Gb data. Thanks all for your answers. Peter -- http://www.boosten.org