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Date:      Fri, 3 Jan 1997 09:10:43 -0500 (EST)
From:      Peter Dufault <dufault@hda.com>
To:        hackers@freebsd.org
Subject:   Re: more than 32 disks?
Message-ID:  <199701031410.JAA24455@hda.hda.com>
In-Reply-To: <199701031302.HAA07824@bonkers.taronga.com> from Peter da Silva at "Jan 3, 97 07:02:49 am"

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Peter da Silva wrote in response to the 32 unit limit on SCSI disks::

> Use a wider minor number, a wider portion of the minor number for unit,
> decrease the number of bits used for things other than unit, use multiple
> major numbers, or use another encoding than major/minor numbers for device
> files (via devfs).

A related question: are there issues (regarding booting, etc) with
removing all partition/slice/ file system code from the different
device drivers and having a single "dk" device that gets wired to
the other block devices? Essentially have the base device be a
trusting client of a dk device that handles all that stuff.

-- 
Peter Dufault (dufault@hda.com)   Realtime Machine Control and Simulation
HD Associates, Inc.               Voice: 508 433 6936



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