From owner-cvs-src@FreeBSD.ORG Mon Feb 26 17:21:33 2007 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 99F4E16A403; Mon, 26 Feb 2007 17:21:33 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (grnl-static-02-0046.dsl.iowatelecom.net [69.66.56.110]) by mx1.freebsd.org (Postfix) with ESMTP id 5577B13C4A3; Mon, 26 Feb 2007 17:21:33 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (localhost [127.0.0.1]) by lor.one-eyed-alien.net (8.13.8/8.13.8) with ESMTP id l1QHLUmO022381; Mon, 26 Feb 2007 11:21:30 -0600 (CST) (envelope-from brooks@lor.one-eyed-alien.net) Received: (from brooks@localhost) by lor.one-eyed-alien.net (8.13.8/8.13.8/Submit) id l1QHLUs7022380; Mon, 26 Feb 2007 11:21:30 -0600 (CST) (envelope-from brooks) Date: Mon, 26 Feb 2007 11:21:30 -0600 From: Brooks Davis To: Dag-Erling Sm?rgrav Message-ID: <20070226172130.GB21095@lor.one-eyed-alien.net> References: <200702091903.l19J3Ik5099479@repoman.freebsd.org> <86k5y6p9t2.fsf@dwp.des.no> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="A6N2fC+uXW/VQSAv" Content-Disposition: inline In-Reply-To: <86k5y6p9t2.fsf@dwp.des.no> User-Agent: Mutt/1.5.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (lor.one-eyed-alien.net [127.0.0.1]); Mon, 26 Feb 2007 11:21:30 -0600 (CST) Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/conf GENERIC src/sys/i386/conf GENERIC src/sys/ia64/conf GENERIC src/sys/pc98/conf GENERIC src/sys/powerpc/conf GENERIC src/sys/sparc64/conf GENERIC src/sys/sun4v/conf GENERIC X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Feb 2007 17:21:33 -0000 --A6N2fC+uXW/VQSAv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 25, 2007 at 03:54:17PM +0100, Dag-Erling Sm?rgrav wrote: > Brooks Davis writes: > > Log: > > Include GEOM_LABEL in GENERIC. It's very useful and not well publici= zed > > enough. >=20 > Bad idea. GEOM_LABEL can lead to filesystem corruption when used in > conjunction with mirrored disks. You mount /dev/ufs/root thinking it > corresponds to /dev/ar0s1a, when in fact it corresponds to /dev/ad0s1a > (in most cases, if ad0 is a component of RAID 1 array ar0, ad0s1a will > be tasted before ar0s1a, and GEOM_LABEL does not handle multiple > identically labeled providers gracefully). While I agree there are serious problems with glabel and software RAID1 configurations, I don't think that warrants continuing to hide it from the rest of us. We should probably add more warnings to the appropriate manpages and fix the RAID implementations. -- Brooks --A6N2fC+uXW/VQSAv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFF4xcZXY6L6fI4GtQRAgUbAJwLD8gEvglHbroJxrD0ymD/hpsgdgCgsQ1H 4cfyCPKNunqnZqKIDZn7V18= =VuDk -----END PGP SIGNATURE----- --A6N2fC+uXW/VQSAv--