Date: Sun, 25 Feb 2007 15:54:17 +0100 From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: Brooks Davis <brooks@FreeBSD.org> 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 Message-ID: <86k5y6p9t2.fsf@dwp.des.no> In-Reply-To: <200702091903.l19J3Ik5099479@repoman.freebsd.org> (Brooks Davis's message of "Fri, 9 Feb 2007 19:03:18 %2B0000 (UTC)") References: <200702091903.l19J3Ik5099479@repoman.freebsd.org>
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Brooks Davis <brooks@FreeBSD.org> writes: > Log: > Include GEOM_LABEL in GENERIC. It's very useful and not well publicized > enough. 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). DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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