Date: Tue, 4 Jul 1995 12:47:57 +0500 (GMT+0500) From: "Serge A. Babkin" <babkin@hq.icb.chel.su> To: bde@zeta.org.au (Bruce Evans) Cc: hackers@freebsd.org Subject: Re: FBSD & old HDs Message-ID: <199507040747.MAA02780@hq.icb.chel.su> In-Reply-To: <199507040622.QAA12484@godzilla.zeta.org.au> from "Bruce Evans" at Jul 4, 95 04:22:53 pm
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> > >In all cases FreeBSD version was 2.0-950210-SNAP. > > >May be somebody had the same problems ? It will be very interesting for > >me to know why was the problem with 2nd box ? > > Very old drives can have bad sectors. You have to use bad144 on them. > bad144 didn't work on 950210. But MS-DOS worked absolutely OK on them and FBSD absolutely didn't worked with XEBEC drive. I think the first thing FBSD should try to read is MBR, and then if there is no FBSD slice it should not try to read anything else (at least for the install diskette). But it got problems at the first request to HDU (at least it seems so). Once more proof against bad sectors is that BSDI 1.1 was installed without any problems on this drive on the same machine. > I'm not sure how old your drives are. If they are IDE, maybe they are > early IDE, before the standard settled. Yes, maybe. But the `subject' is slightly misleading, really in the 2nd case only computer was old, not the drive. IDE controllers are known to be simply buffer logic with absolutely no intelligence, so I think there should be no interference between old IDE controller and new drive. Serge Babkin ! (babkin@hq.icb.chel.su) ! Headquarter of Joint Stock Commercial Bank "Chelindbank" ! Chelyabinsk, Russia
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