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Date:      Tue, 26 Nov 2002 15:04:52 -0800 (PST)
From:      Nate Lawson <nate@root.org>
To:        "Ronald F. Guilmette" <rfg@monkeys.com>
Cc:        freebsd-scsi@freebsd.org
Subject:   Re: Upgrade from Adaptec 2940UW to 29160N - Problem solved! 
Message-ID:  <Pine.BSF.4.21.0211261503340.87003-100000@root.org>
In-Reply-To: <88253.1038342348@monkeys.com>

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On Tue, 26 Nov 2002, Ronald F. Guilmette wrote:
> In message <200211261815.gAQIFBnb058918@uriah.heep.sax.de>, you wrote:
> 
> >"Ronald F. Guilmette" <rfg@monkeys.com> wrote:
> >
> >> So I bought a used Adaptec 29160N (Ultra160) off eBay, swapped out
> >> the old 2940UW and swapped in the 29160N.  No go.  Now the FreeBSD
> >> BootManager refused to boot from my one and only partition on the
> >> drive.  It would just prompt me enticingly with that "F1" prompt
> >> but then just beep whenever I tried to hit return or the F1 key.
> >
> >Welcome to the wonderful world of the prehistoric "fdisk" table.
> 
> Oh yea.
> 
> But this is hardly my first encounter with the fdisk partition table.
> 
> >I'm surprised that even different Adaptec controllers now start to
> >experience that geometry mishmash.
> 
> Yes, it was damn surprising to me too.
> 
> >Previously, this was only a known
> >symptom when migrating a disk from a Symbios Logic based controller to
> >an Adaptec one.
> 
> Well, welcome to the wonderful world of Adaptec/Adaptec incompatability.

What is the geometry reported by the BIOS (scsi select utility) and what
is the geometry reported by freebsd on boot for the drive?  Please give
values for both the old and new cards.

-Nate


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