Date: Fri, 10 Dec 2010 10:42:05 +0200 From: Andriy Gapon <avg@freebsd.org> To: Erik Trulsson <ertr1013@student.uu.se> Cc: Bruce Cran <bruce@cran.org.uk>, src-committers@freebsd.org, svn-src-all@freebsd.org, Bruce Evans <brde@optusnet.com.au>, Bruce Cran <brucec@freebsd.org>, svn-src-head@freebsd.org, Matthew Jacob <mj@feral.com> Subject: Re: svn commit: r216269 - head/sys/geom/part Message-ID: <4D01E7DD.8050904@freebsd.org> In-Reply-To: <20101210011022.GB68703@owl.midgard.homeip.net> References: <201012072046.oB7KkB4L079555@svn.freebsd.org> <4CFEAD09.30904@freebsd.org> <4CFEAFA6.4020103@feral.com> <4CFEB1AD.70906@freebsd.org> <20101208153857.H1428@besplex.bde.org> <20101208225235.501ced0e@core.draftnet> <20101209191657.B1400@besplex.bde.org> <20101209221458.42448075@core.draftnet> <4D015A09.7070608@freebsd.org> <20101210011022.GB68703@owl.midgard.homeip.net>
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on 10/12/2010 03:10 Erik Trulsson said the following: > On Fri, Dec 10, 2010 at 12:36:57AM +0200, Andriy Gapon wrote: >> on 10/12/2010 00:14 Bruce Cran said the following: >>> Since it appears that disks are still using the CHS fields despite >>> having been obsolete since ATA-7 I guess it makes sense to continue >>> printing them. Label1: >> I apologize for repeating myself, that probably starts to be annoying... >> We read some reserved/unused/obsolete bytes and get some garbage in them. >> The fact that the garbage looks like "valid" (for some definition of "valid") >> CHS parameters doesn't mean that those are really valid, or CHS parameters, or >> we should use them, or we should even report them, even for debug. >> That's my personal position and I am sticking to it :-) > > > No. Those bytes may be obsolete, and might be reserved by the latest > version(s) of the ATA standard, but they are not unused and they do not > contain garbage. They do contain CHS parameters as set by the drive > manufacturers, and should continue to be reported as such by the tools > we have that provide disk information. So, your personal belief/interpretation against mine, fair enough. Can't add anything except go to $Label1. :-) -- Andriy Gapon
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