Date: Mon, 23 May 2011 16:05:40 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: "Andrey V. Elsukov" <bu7cher@yandex.ru>, freebsd-geom@FreeBSD.org Subject: Re: [RFC] Remove requirement of alignment to track from MBR scheme Message-ID: <4DDA5BA4.2000807@FreeBSD.org> In-Reply-To: <4DDA2F0B.2040203@yandex.ru> References: <4DDA2F0B.2040203@yandex.ru>
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on 23/05/2011 12:55 Andrey V. Elsukov said the following: > Hi, > > Since after r221788 many people report about lost of access to their > MBR partitions, i prepared new patch: > > http://people.freebsd.org/~ae/mbr_geometry.diff > > It removes from GEOM_PART_MBR constraints to alignment to track. > Now it is possible to create MBR partitions with exactly specified > start offset and size, and they will not be recalculated by kernel. > > Also the patch adds new option "-g" to the gpart(8) utility. This > option can be specified for "add" and "resize" subcommands. > gpart(8) uses information about provider's "geometry" and does > partition alignment how it did before for MBR. > > With these changes we give to users the choice how align their > partitions and also we still able to use some "broken" partition > tables. My personal opinion is that removing geometry enforcement (or even consideration) is a correct decision. -- Andriy Gapon
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