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Date:      Wed, 14 May 2003 16:16:48 -0700 (PDT)
From:      Nate Lawson <nate@root.org>
To:        Scott Long <scott_long@btc.adaptec.com>
Cc:        scsi@freebsd.org
Subject:   Re: SCSI geometry calculation?
Message-ID:  <20030514161256.N79399@root.org>
In-Reply-To: <3EC2CBD0.3020102@btc.adaptec.com>
References:  <20030514151752.B79363@root.org> <3EC2CBD0.3020102@btc.adaptec.com>

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On Wed, 14 May 2003, Scott Long wrote:
> > Most drivers use >1G: 255/63, else 64/32.  Exceptions are:
> > * aac - >=2G: 255/63, >=1G 128/32, else 64/32
> > * aha - same
> > * bt - same as aha

Why are aha and bt using an extra 2G step instead of the normal 1G step?
They're not RAID controllers.  Did you use that geometry for aac
intentionally or was it just a cut/paste?

> I'm really not sure what to say
> about the boundary cases other than if they are buggy, few people
> notice.

Would it be ok to move them all to > and not use >=?

-Nate



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