Date: Tue, 07 Dec 2010 15:11:35 -0800 From: Matthew Jacob <mj@feral.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, Bruce Cran <brucec@FreeBSD.org> Subject: Re: svn commit: r216269 - head/sys/geom/part Message-ID: <4CFEBF27.8010203@feral.com> In-Reply-To: <4CFEB1AD.70906@freebsd.org> References: <201012072046.oB7KkB4L079555@svn.freebsd.org> <4CFEAD09.30904@freebsd.org> <4CFEAFA6.4020103@feral.com> <4CFEB1AD.70906@freebsd.org>
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Geometry is still important. Trying booting a USB flash drive on all BIOS' with a 63/255 geometry instead of a 64/32 geometry. On 12/7/2010 2:14 PM, Andriy Gapon wrote: > on 08/12/2010 00:05 Matthew Jacob said the following: >> >> On 12/7/2010 1:54 PM, Andriy Gapon wrote: >>> on 07/12/2010 22:46 Bruce Cran said the following: >>>> Don't warn if a partition appears not to be aligned on a track boundary. >>>> Modern disks use LBA and create a fake CHS geometry that doesn't have any >>>> relation to the on-disk layout of data. >>> You repeated that statement, so I am picking on you :-) >>> Can someone show me how/where exactly modern drives fakes CHS geometry? >>> >> cf cam_calc_geometry > But that's not drive firmware code :-) > It's us faking those parameters for ourselves for some unknown reason. > Stupid us :-) But not the drives / manufacturers. >
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