Date: Sat, 29 Nov 2003 01:39:57 +0100 From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) To: Zhang Shu <zhang@koganei.wide.ad.jp> Cc: current@freebsd.org Subject: Re: boot process is too slow during installation Message-ID: <xzpn0ag80te.fsf@dwp.des.no> In-Reply-To: <20031128103737.B752.ZHANG@koganei.wide.ad.jp> (Zhang Shu's message of "Fri, 28 Nov 2003 10:43:53 %2B0900") References: <20031127183839.058F.ZHANG@koganei.wide.ad.jp> <7msmk9e237.wl@black.imgsrc.co.jp> <20031128103737.B752.ZHANG@koganei.wide.ad.jp>
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Zhang Shu <zhang@koganei.wide.ad.jp> writes: > When I install netbsd with the same floppy drive, it turns to be pretty > fast. So I guess this is a FreeBSD problem but do not know where it is... FreeBSD's boot code reads the disk sector by sector rather than track by track. Last time I brought this up I was told that "it doesn't matter on modern drives"... I wouldn't be surprised if track-by-track turns out to be 18 times faster than sector-by-sector with USB drives. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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