Date: Sat, 23 Mar 1996 13:09:24 +1100 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, terry@lambert.org Cc: andreas@knobel.gun.de, dave@kachina.jetcafe.org, freebsd-hackers@FreeBSD.org Subject: Re: Adding a damn 2nd disk Message-ID: <199603230209.NAA02853@godzilla.zeta.org.au>
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>> Anyway, the driver for old MFM drives should use the geometry reported >> by the BIOS, and FreeBSD's wd driver does so, modulo bugs. >I think the complaint on that was that there are "wasted cylinders". I More than that. >> >No, but I see that the slice code forces a translated world view >> >... >> The slice only advises about the geometry. The translated world >> ... ^code >I still can't install on a WD1007 with sector sparing enabled, and >it's because of the translation assumptions. 8-(. I would prefer Yes, it's because the wd driver trusts the geometry reported by the drive, and telling the drive to use the geometry that it reported doesn't work right at least if the WD1007 is jumpered to use a fixed geometry (I think setting the geometry doesn't work, but no error is reported). Bruce
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