Date: Thu, 29 Aug 1996 02:27:28 +0200 (SAT) From: Robert Nordier <rnordier@iafrica.com> To: luigi@labinfo.iet.unipi.it (Luigi Rizzo) Cc: hackers@freebsd.org Subject: Re: Determining disk type & size Message-ID: <199608290027.CAA00393@eac.iafrica.com> In-Reply-To: <199608282135.XAA01269@labinfo.iet.unipi.it> from "Luigi Rizzo" at Aug 28, 96 11:35:09 pm
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Luigi Rizzo wrote: > > > Most of the userland code I've looked at doesn't seem to handle this > > very elegantly, where it checks. And some of my attempts to do the > > obvious seem to produce inconsistent results (below). > > ----- fdtest output ----- > > > > ./fdtest /dev/fd0 > > sectors per cylinder: 158 [<-- 30 expected] > > 158 = 30 + 128 > maybe bit 7 is not significant, or used for different purposes. Good point, which may also explain why the value is sometimes > 1024 on another disk in the same drive. I guess it just means: read through the code line by line before using any of this stuff. Meaningful variable names only encourage assumptions. :( -- Robert Nordier
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