From owner-freebsd-geom@FreeBSD.ORG Sun Nov 9 17:09:10 2008 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 38B851065676 for ; Sun, 9 Nov 2008 17:09:10 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (chello087206045082.chello.pl [87.206.45.82]) by mx1.freebsd.org (Postfix) with ESMTP id 890ED8FC1B for ; Sun, 9 Nov 2008 17:09:09 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id C862145B36; Sun, 9 Nov 2008 18:09:07 +0100 (CET) Received: from localhost (chello087206045082.chello.pl [87.206.45.82]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id DF6B7456AB; Sun, 9 Nov 2008 18:09:02 +0100 (CET) Date: Sun, 9 Nov 2008 18:09:00 +0100 From: Pawel Jakub Dawidek To: Kostik Belousov Message-ID: <20081109170900.GC2340@garage.freebsd.pl> References: <20081107192150.GA3007@troutmask.apl.washington.edu> <20081109111917.GB2340@garage.freebsd.pl> <20081109133948.GN18100@deviant.kiev.zoral.com.ua> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Sr1nOIr3CvdE5hEN" Content-Disposition: inline In-Reply-To: <20081109133948.GN18100@deviant.kiev.zoral.com.ua> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 8.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: Steve Kargl , freebsd-geom@freebsd.org Subject: Re: RW and RO semantic and unable to umount a partition? X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Nov 2008 17:09:10 -0000 --Sr1nOIr3CvdE5hEN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Nov 09, 2008 at 03:39:48PM +0200, Kostik Belousov wrote: > On Sun, Nov 09, 2008 at 12:19:17PM +0100, Pawel Jakub Dawidek wrote: > > Not sure why. It might be that file system changed under you (node n18 > > modified it), so now n17 sees some strange inconsistencies. > >=20 > > All in all, you can eigher mount the same file system multiple times > > read-only OR one time read-write and zero times read-only. >=20 > Better not mount ufs volume more then once regardless of the mount mode. > See the start of the ffs_mountfs(). ffs mount modifies devvp bufobj with > reference to geom consumer. Yes, I know, I even had patch for that, although here I was talking about mounting the same FS read-only on few separate machines using ggate. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --Sr1nOIr3CvdE5hEN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFJFxkrForvXbEpPzQRAqCNAJ99HJFbObJJ5AtV6N0656xmfJM7WQCeKC0C nQeBYVNV/dy3svKnFkwS0oc= =Jbok -----END PGP SIGNATURE----- --Sr1nOIr3CvdE5hEN--