Date: Tue, 4 Jul 1995 17:25:27 +1000 From: Bruce Evans <bde@zeta.org.au> To: babkin@hq.icb.chel.su, bde@zeta.org.au Cc: hackers@freebsd.org Subject: Re: FBSD & old HDs Message-ID: <199507040725.RAA14172@godzilla.zeta.org.au>
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>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 DOS FORMAT marks bad sectors and doesn't use them for the file system. FreeBSD would mark bad sectors in a similar way if you ran badsect(8). Both methods fail a file system metadata block is bad. bad144 solves this problem. >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 FreeBSD slice'ness is determined by attempting to read the label. You can have a label and FreeBSD file systems on slices of any type. >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. `Old' means 1985 MFM to me :-). When did IDE drives first come out? I didn't own one until late 1994. Bruce
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