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Date:      Wed, 24 Nov 1999 10:39:44 +0100
From:      Poul-Henning Kamp <phk@freebsd.org>
To:        current@freebsd.org
Subject:   ST-506, ESDI and BAD144 ?
Message-ID:  <33801.943436384@critter.freebsd.dk>

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Sørens new ATA driver can handle all IDE disks as far as has been
tested now, but it doesn't provide bad sector remapping which is
needed for ESDI and ST-506 disks.

Having two drivers fight for the same class of drivers is a rather
messy process, and it complicates the code a fair bit, not to
mention the clutter in end-user documentation.

Considering that most of the machines with ST-506 and ESDI disks
are limited to 16MB ram anyway, I think it would be reasonable to
simply tell the users of these old irons to stick with the 3.X
branch until end of life (there is probably at least 1.5 years more
life in the 3.X branch judging from the history of the 2.2.X branch).

So I would like to propose that we discontinue support for ST-506,
ESDI disks and BAD144 bad-sector remapping starting with the 4.0
release.

So, is anyone running -current on ESDI or ST-506 disks in 
actual applications (as opposed for the gadget/novelty thrill or
testing purposes) ?

--
Poul-Henning Kamp             FreeBSD coreteam member
phk@FreeBSD.ORG               "Real hackers run -current on their laptop."
FreeBSD -- It will take a long time before progress goes too far!


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