From owner-freebsd-hackers Fri Sep 12 09:35:50 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id JAA15604 for hackers-outgoing; Fri, 12 Sep 1997 09:35:50 -0700 (PDT) Received: from onyx.atipa.com (user12438@ns.atipa.com [208.128.22.10]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id JAA15599 for ; Fri, 12 Sep 1997 09:35:46 -0700 (PDT) Received: (qmail-queue invoked by uid 1018); 12 Sep 1997 16:39:29 -0000 Date: Fri, 12 Sep 1997 10:39:29 -0600 (MDT) From: Atipa X-Sender: freebsd@dot.ishiboo.com To: Luigi Rizzo cc: "K.J.Koster" , hackers@FreeBSD.ORG, questions@FreeBSD.ORG Subject: Re: Do *you* have problems with floppies? In-Reply-To: <199709120935.LAA03134@labinfo.iet.unipi.it> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Fri, 12 Sep 1997, Luigi Rizzo wrote: > > Wild guess: driver needs to recalibrate every once in a while, so if you > > write a whole floppy at once, it slowly loses calibration. MS-DOS > > `recalibrates' by writing the FAT every block or so. How does that sound? > > I doubt it writes the fat so often, performance would be much worse > than the 30-40K/s we get now... > > Luigi It IS worse! I know that my floppies run about 14-15 kb/sec sustained. FTP'ing from a Linux floppy to FreeBSD (since my floppy drive doesn't work w/ FreeBSD) always goes about 14-15 kb/sec. dd gives similar results. Kevin