[4365] in linux-scsi channel archive

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Re: Swapping SCSI Cards - how ?

daemon@ATHENA.MIT.EDU (Jon Lewis)
Wed Jul 15 00:47:41 1998

Date: 	Wed, 15 Jul 1998 00:47:23 -0400 (EDT)
From: Jon Lewis <jlewis@inorganic5.fdt.net>
To: Stephen Kitchener <root@g6dzj.demon.co.uk>
cc: Linux SCSI <linux-scsi@vger.rutgers.edu>
In-Reply-To: <Pine.LNX.3.96.980714200455.1017A-100000@statler.ampr.org>

On Tue, 14 Jul 1998, Stephen Kitchener wrote:

> Simple question - has anybody had any experience in swapping SCSI cards
> while attempting to keep all information available after the swap.
> 
> Can't do a backup, as putting a tape-drive onto the SCSI bus causes
> time-outs.
> 
> Have compiled the kernel complete with the two SCSI cards in, but when I
> swap the card and boot I get the dredded 'LI'. All is ok after I swap
> back.

Sounds like a geometry mismatch.  You neglected to mention which SCSI
cards you're playing with.

You might be able to get by with something like this in lilo.conf

disk=/dev/sda bios=0x80 sectors=62 heads=67 cylinders=1017

Of course, replace the last 3 values with whatever fdisk tells you using
the original SCSI card.  I had to put in the above when moving from an
NCR810 to a BT-946 without repartitioning.

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