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Date:      Sun, 18 Jun 1995 15:38:55 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        bde@zeta.org.au, terry@cs.weber.edu
Cc:        bugs@FreeBSD.org, hlew@genome.Stanford.EDU
Subject:   Re: 2.05R panics on boot
Message-ID:  <199506180538.PAA15480@godzilla.zeta.org.au>

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>> This seems to be the case that I said can't work.  Apparently wd1 doesn't
>> have Ontrack on it, but Ontrack on the boot disk adjusts for all disks.

>YES.

>Makes perfect sense, actually.  Once you are booting BSD, the disk BSD is
>on is hat it thinks the boot disk is.  It can't know the INT 13 chaining
>used by the BIOS.

It's not clear to me whether this is an installation error.  Why is Ontrack
managling disks that it isn't on?  Can the problem be fixed by installing
Ontrack on all disks, or configuring it to only manage the disk(s) that it
is installed on?

>You could manually fix this up.

>I hesistate to describe the process (so I won't) since it's rather complex
>and requires a deep understanding of the boot process.  In broad strokes,
>it would involve modifying the second disks partition table, installing,
>modifying the installed disk label and partition table, and going from there.

This won't work.  If there is only one partition table, then the FreeBSD
boot loader and FreeBSD proper will see the same one, and FreeBSD proper
needs to see a table modified as above.

>If you *only* have BSD on the second drive, and are willing to blow it
>away, you can get the same effect by making the BSD drive the primary
>drive, installing OnTrack (assuming you have it), then installing BSD onto
>what is now the first drive.

>When you put ehe drive back to the second drive and put the original drive
>back on, it should work.

Only if Ontrack doesn't doubly manage the second drive after you put it
back.

I think we're finding complications where none exist.  It's hard to debug
without seeing the output of boot -v and sysinstall.

Bruce



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