From owner-freebsd-fs@FreeBSD.ORG Fri Mar 27 02:25:27 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 40CAE106566B for ; Fri, 27 Mar 2009 02:25:27 +0000 (UTC) (envelope-from andrew@modulus.org) Received: from email.octopus.com.au (email.octopus.com.au [122.100.2.232]) by mx1.freebsd.org (Postfix) with ESMTP id F034E8FC0A for ; Fri, 27 Mar 2009 02:25:26 +0000 (UTC) (envelope-from andrew@modulus.org) Received: by email.octopus.com.au (Postfix, from userid 1002) id 646BE17E9B; Fri, 27 Mar 2009 13:25:37 +1100 (EST) X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on email.octopus.com.au X-Spam-Level: X-Spam-Status: No, score=-1.4 required=10.0 tests=ALL_TRUSTED autolearn=failed version=3.2.3 Received: from [10.1.50.60] (ppp121-44-35-16.lns10.syd7.internode.on.net [121.44.35.16]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: admin@email.octopus.com.au) by email.octopus.com.au (Postfix) with ESMTP id 611BB17E8F; Fri, 27 Mar 2009 13:25:33 +1100 (EST) Message-ID: <49CC3889.9000201@modulus.org> Date: Fri, 27 Mar 2009 13:23:05 +1100 From: Andrew Snow User-Agent: Thunderbird 2.0.0.14 (X11/20080523) MIME-Version: 1.0 To: "Mikhail T." , freebsd-stable@freebsd.org, freebsd-fs@freebsd.org References: <49C83673.3000604@aldan.algebra.com> <200903251232.11418.doconnor@gsoft.com.au> <49C99204.2050601@aldan.algebra.com> <200903251334.38350.doconnor@gsoft.com.au> <49C99FD2.50609@aldan.algebra.com> <49CA5602.9050001@aldan.algebra.com> <49CC3162.5090201@aldan.algebra.com> In-Reply-To: <49CC3162.5090201@aldan.algebra.com> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: Subject: Re: backup strategy (Re: dump | restore fails) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2009 02:25:27 -0000 Mikhail T. wrote: > To qualify for your (and your kind's) recognition then, a person > needs to have at least as much extra storage capacity as the > largest filesystem they are backing up. They also need > non-trivial scripting abilities, because the OS doesn't > include anything like what you are describing Mikhail, users would be well advised to check their backups using this option, without having to have the space to restore: -N Do the extraction normally, but do not actually write any changes to disk. This can be used to check the integrity of dump media or other test purposes. RESTORE(8) FreeBSD System Manager's Manual