From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 3F23D1381F3 for ; Fri, 9 Nov 2012 15:41:54 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 5CCE521C037; Fri, 9 Nov 2012 15:41:39 +0000 (UTC) Received: from mout.perfora.net (mout.perfora.net [74.208.4.195]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 79C7FE00E6 for ; Fri, 9 Nov 2012 15:40:25 +0000 (UTC) Received: from localhost (66-208-231-133.ubr01a.rte20201.pa.hfc.comcastbusiness.net [66.208.231.133]) by mrelay.perfora.net (node=mrus1) with ESMTP (Nemesis) id 0MFe8r-1TZrMI0B8P-00EdbI; Fri, 09 Nov 2012 10:40:24 -0500 Date: Fri, 9 Nov 2012 09:40:22 -0600 From: Bruce Hill To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Hard drive change Message-ID: <20121109154022.GO17663@server> References: <1578367.xasW9aqeY9@energy> <509C5091.4040903@ccube.de> <1430915.hHFjP07X6l@energy> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1430915.hHFjP07X6l@energy> User-Agent: Mutt/1.5.21 (2010-09-15) X-Provags-ID: V02:K0:guxtUD8A5qKNXnPC4ZKVg8s/7y68+36jaaFhuF6kGLo yt15ARSe7B7oKdGctSa/dHh4DGScanakgG7CF2Q8CwFcPh8sJ0 LF0VgyucEu5UspDt8NtO5JJjH8PVV7VysSBt2IMGagTNwZT3vA 4vuuNdsGiMRxN2gz79tAXpUTSse3jv2z6G23NvxK+9U9qr7aR3 wUDiFAsGCoEoHwKryX61bVJRwASjM9WfO2Z0fMkcAqYmCj0yvi 66sc/kGdNGMzqWcNt9vCxmMny7g5f1gMiZqS0faDP07UdroOWe 8T5yGCjjwZzwTSSHDJIdYMHRh9+vqpd/axLsHuPH3i0rgE+2LS phaXowb89WE8H7YGxQwKifJWsf7ajJ8STUGyDCVtv X-Archives-Salt: 91d3cc75-6a58-482f-8cac-ebdc7dae1794 X-Archives-Hash: 17245f65528d20634c357253c9c23b79 On Fri, Nov 09, 2012 at 04:14:47PM +0100, Volker Armin Hemmann wrote: > Am Freitag, 9. November 2012, 01:38:41 schrieb mindrunner: > > volker, what is your intention to say i am dumb and stupid. actually you > > do not know me. > > everybody does something dumb and/or stupid once in a while. I average that > one to 1/day. > > There are two ways to react if someone points out that something you do is not > the best idea since sliced bread. > > -> oops. Yeah, I see it. > or > -> sulking. > > > > > copying on block device level has of cource advantages. and really... i > > dont care about 0.4% fragemntation and some journal log. > > > > no, it does not. Apart from fragmentation you also copy all deleted files. All > damaged blocks AND the UUID. > > Oh, and it is slow (I know, fiddling with blocksize etc you can speed it up a > lot. Still slow). > > > I never made bad experiences with this copy technique. > > which doesn't mean it is a good one. > > > all my hard drives, ssd and virtual containers are working fine without > > any performance issues. > > How do you know? > > > so what exactly is your problem? > > you are telling someone to do something really stupid. > > Create an image with dd to do some file rescuing? forensic stuff? as a template > for containers? To burn it on a dvd/cd? Well, those are valid uses for dd. > Converting files? Yes, that is what dd was made for. > > Copying a partition to another disk, different disk? Wow.. that is just wrong. > Even if both disks were identical it would not be great idea. Just a 'well, it > does work and at least I am not punishing the new disk' way to do it. > > Mind you, cp -auv is not the best way either. With ACLs&co it is not such a > good choice. And I am surprised that Joerg Schilling hasn't posted how > incredible star is for this job yet. Btw, star is a really good tool for the > job. It just needs a lot of typing. > > tar, rsync, cp, star... there are many good or good enough ways to copy files > from one harddisk to another > > dd doesn't belong in that category. > > - > #163933 Spot on! Here you can be nice and explain to the guy your reasoning behind telling him using dd{whatever} for this job is stupid. -- Happy Penguin Computers >') 126 Fenco Drive ( \ Tupelo, MS 38801 ^^ support@happypenguincomputers.com 662-269-2706 662-205-6424 http://happypenguincomputers.com/ Don't top-post: http://en.wikipedia.org/wiki/Top_post#Top-posting