From owner-freebsd-questions@FreeBSD.ORG Thu May 17 11:43:48 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 3C2FC1065672 for ; Thu, 17 May 2012 11:43:48 +0000 (UTC) (envelope-from matthew@FreeBSD.org) Received: from smtp.infracaninophile.co.uk (smtp6.infracaninophile.co.uk [IPv6:2001:8b0:151:1:3cd3:cd67:fafa:3d78]) by mx1.freebsd.org (Postfix) with ESMTP id 97F628FC17 for ; Thu, 17 May 2012 11:43:47 +0000 (UTC) Received: from seedlingblack-earthcouk.local ([195.53.238.218]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.5/8.14.5) with ESMTP id q4HBhgP2047817 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 17 May 2012 12:43:42 +0100 (BST) (envelope-from matthew@FreeBSD.org) X-DKIM: OpenDKIM Filter v2.5.2 smtp.infracaninophile.co.uk q4HBhgP2047817 Authentication-Results: smtp.infracaninophile.co.uk/q4HBhgP2047817; dkim=none (no signature); dkim-adsp=none X-Authentication-Warning: lucid-nonsense.infracaninophile.co.uk: Host [195.53.238.218] claimed to be seedlingblack-earthcouk.local Message-ID: <4FB4E46E.2040007@FreeBSD.org> Date: Thu, 17 May 2012 13:43:42 +0200 From: Matthew Seaman User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Matthias Petermann References: <4FB4D7AB.9030200@d2ux.net> In-Reply-To: <4FB4D7AB.9030200@d2ux.net> X-Enigmail-Version: 1.4.1 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig722366837C5EDAD940683F77" X-Virus-Scanned: clamav-milter 0.97.4 at lucid-nonsense.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-0.8 required=5.0 tests=AWL,BAYES_00,RCVD_IN_XBL, RDNS_NONE,SPF_SOFTFAIL autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on lucid-nonsense.infracaninophile.co.uk Cc: freebsd-questions@FreeBSD.org Subject: Re: Filesystem dump incremental? 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: Thu, 17 May 2012 11:43:48 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig722366837C5EDAD940683F77 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 17/05/2012 12:49, Matthias Petermann wrote: > currently I am experiencing something confusing. Some hours ago I did a= > level 0 dump with the following command: >=20 > dump -a -0 -f /mnt/da0/backup-compaq.0.dump / >=20 > This results in a quite big dump file. After changing a couple of files= , > I tried to do another dump. This time as level 1. My expectation was > that the resulting dump would only contain the files which changed sinc= e > the level 0 dump. >=20 > dump -a -1 -f /mnt/da0/backup-compaq.1.dump / >=20 > To my surprise this seems to generate another full dump instead of > incremental. >=20 > What did I miss or what mistake do I make? You need '-u' on tose command lines in order to record the dates of your dumps, including your initial level 0 dump, in /etc/dumpdates. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. PGP: http://www.infracaninophile.co.uk/pgpkey --------------enig722366837C5EDAD940683F77 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.16 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk+05G4ACgkQ8Mjk52CukIzobwCeIgSyayjIX6itzCujlfrU/aqs URcAn2JlFhR8hAO7bPCA1ihvJdJhHMko =iRIz -----END PGP SIGNATURE----- --------------enig722366837C5EDAD940683F77--