From owner-freebsd-questions@FreeBSD.ORG Mon Jun 11 08:42:45 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 157AA106564A for ; Mon, 11 Jun 2012 08:42:45 +0000 (UTC) (envelope-from mike@milibyte.co.uk) Received: from avasout08.plus.net (avasout08.plus.net [212.159.14.20]) by mx1.freebsd.org (Postfix) with ESMTP id 6479C8FC12 for ; Mon, 11 Jun 2012 08:42:44 +0000 (UTC) Received: from curlew.milibyte.co.uk ([84.92.153.232]) by avasout08 with smtp id LwfY1j006516WCc01wfZDW; Mon, 11 Jun 2012 09:39:33 +0100 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.0 cv=I8Dntacg c=1 sm=1 a=lfSX4pPLp9EkufIcToJk/A==:17 a=rLpCYgkgFLgA:10 a=RLl8lpB8pwYA:10 a=ZTb9aqGL9YkA:10 a=8nJEP1OIZ-IA:10 a=D7rCoLxHAAAA:8 a=6I5d2MoRAAAA:8 a=HlN3pFjRN-wqgVSDRPcA:9 a=wPNLvfGTeEIA:10 a=WFF7yJgLrl0A:10 a=lfSX4pPLp9EkufIcToJk/A==:117 Received: from curlew.lan ([192.168.1.13]) by curlew.milibyte.co.uk with esmtp (Exim 4.77) (envelope-from ) id 1Se09m-00012m-Pu for freebsd-questions@freebsd.org; Mon, 11 Jun 2012 09:39:32 +0100 From: Mike Clarke To: freebsd-questions@freebsd.org Date: Mon, 11 Jun 2012 09:39:26 +0100 User-Agent: KMail/1.9.10 References: <48302.1339366497@tristatelogic.com> In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Message-Id: <201206110939.26558.mike@milibyte.co.uk> X-SA-Exim-Connect-IP: 192.168.1.13 X-SA-Exim-Mail-From: mike@milibyte.co.uk X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on curlew.lan X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=ham version=3.3.2 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-SA-Exim-Version: 4.2 X-SA-Exim-Scanned: Yes (on curlew.milibyte.co.uk) Subject: Re: Making a bootable backup (hard)disk... how? 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: Mon, 11 Jun 2012 08:42:45 -0000 On Monday 11 June 2012 00:03:59 Daniel Feenberg wrote: > It does occur to me that /etc is not a felicitous place to keep this > information, but given the desirability of dumping filesystems in read > only state, placing the dump dates in the filesystem itself isn't > feasible. Dumping with the -L option creates a temporary read only snapshot which is used as the source for the backup. This enables you to safely backup a live filesystem, More background on snapshots at -- Mike Clarke