Date: Mon, 17 Dec 2012 12:09:47 -0800 From: Adrian Chadd <adrian@freebsd.org> To: "Ronald F. Guilmette" <rfg@tristatelogic.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Another WTF moment Message-ID: <CAJ-VmokfpSKqzmYiPhdy53kViXtWuUV8TeGpuY6rkJthdirXVQ@mail.gmail.com> In-Reply-To: <25526.1355695692@tristatelogic.com> References: <1355691233.1198.126.camel@revolution.hippie.lan> <25526.1355695692@tristatelogic.com>
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Hi, Wow, I didn't even know this existed! Would you mind filing a doc PR with this information, along with how you figured out it was a HPA? I'm sure this is going to come up from time to time and it'd be great if someone would take the doc PR and turn it into a FAQ entry. Thanks, Adrian On 16 December 2012 14:08, Ronald F. Guilmette <rfg@tristatelogic.com> wrote: > > In message <1355691233.1198.126.camel@revolution.hippie.lan>, > Ian Lepore <freebsd@damnhippie.dyndns.org> wrote: > >>On Sun, 2012-12-16 at 12:01 -0800, Ronald F. Guilmette wrote: >>> So, um, WTF? One ST380011A is 156299375 sectors big, and the other one >>> is 156301488 big. >>> >>> How exactly does this happen? >> >>Assuming the 3.06 and 3.54 are firmware revision numbers, one might >>speculate that ongoing testing showed higher sector failure rates than >>intially expected, and thus newer firmware sets aside a few more sectors >>as spares. > > Well, as it turns out, no. > > I did some more research and managed to find out that the discrepancy > is apparently due to the presence of a Host Protected Area (HPA) on the > first drive. > > I don't know who or what created this HPA on that drive, but I do suspect > that it was Windoze. (I have WindowsME and also Windows2000 partitions on > that drive, and both of those OSese were installed onto that drive at various > prior points in time.) > > So anyway, nevermind. > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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