From owner-freebsd-questions@FreeBSD.ORG Mon Jan 3 19:27:05 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A534016A4CE for ; Mon, 3 Jan 2005 19:27:05 +0000 (GMT) Received: from smtp1.server.rpi.edu (smtp1.server.rpi.edu [128.113.2.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4868643D48 for ; Mon, 3 Jan 2005 19:27:05 +0000 (GMT) (envelope-from drosih@rpi.edu) Received: from [128.113.24.47] (gilead.netel.rpi.edu [128.113.24.47]) by smtp1.server.rpi.edu (8.13.0/8.13.0) with ESMTP id j03JR2W2005747; Mon, 3 Jan 2005 14:27:03 -0500 Mime-Version: 1.0 Message-Id: In-Reply-To: <39A542A8-5DBA-11D9-B56F-000D9333E43C@secure-computing.net> References: <200501031215450764.8ED18007@mail.intradyn.com> <0956A4C4-5DB5-11D9-B56F-000D9333E43C@secure-computing.net> <41D992FF.9070204@mail.ru> <39A542A8-5DBA-11D9-B56F-000D9333E43C@secure-computing.net> Date: Mon, 3 Jan 2005 14:27:01 -0500 To: Eric F Crist , infofarmer@mail.ru From: Garance A Drosihn Content-Type: text/plain; charset="us-ascii" ; format="flowed" X-CanIt-Warning: NOT SCANNED BY CANIT: DATABASE IS DOWN X-Scanned-By: CanIt (www . canit . ca) cc: FreeBSD-Questions Questions Subject: Re: Backup with dd? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jan 2005 19:27:05 -0000 At 1:03 PM -0600 1/3/05, Eric F Crist wrote: >On Jan 3, 2005, at 12:46 PM, Andrew P. wrote: > >>Eric F Crist wrote: >>> >>>You seem to be under the impression that I'm doing this for the >>>sole reason of a disk crash. I'm actually doing it for more >>>than just that reason. For example, if my system gets hacked, >>>most hackers will probably not care about an unmounted hard >>>drive, and screw with the current mounted partitions. [...etc...] >> >>Backing up with dd is ultimately straightforward, but is not a >>good idea at all. The matter is when dd is running, the source >>may be modified and the copy might be inconsistent. Software RAID >>should be the best option for your task: you can mirror a drive >>to a second one and then just plug the second one out of your >>computer. >> >>Best wishes, >>Andrew P. > >Is this vinum? Fairly difficult to setup, or is it straight-forward? >Before I delve into that, any setup recommendations? Software raid seems like a messy way to handle this, when all he wants is straight copies of the partitions. Much easier to mount and umount some destination-partition(s), than it is to unplug a hard drive. -- Garance Alistair Drosehn = gad@gilead.netel.rpi.edu Senior Systems Programmer or gad@freebsd.org Rensselaer Polytechnic Institute or drosih@rpi.edu