From owner-cvs-all  Wed Oct 24 11:51:49 2001
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Date: Wed, 24 Oct 2001 13:51:39 -0500 (CDT)
From: Mike Silbersack <silby@silby.com>
To: Dag-Erling Smorgrav <des@FreeBSD.org>
Cc: <cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org>
Subject: Re: cvs commit: src/sys/dev/ata ata-disk.c
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On Wed, 24 Oct 2001, Dag-Erling Smorgrav wrote:

> des         2001/10/24 11:24:10 PDT
>
>   Modified files:
>     sys/dev/ata          ata-disk.c
>   Log:
>   Don't enable write cacheing on devices that don't support tagged queuing
>   unless hw.ata.wc is set.
>
>   Approved by:	sos
>   MFC after:	1 week

Why are we changing this again?  It was turned back on because without
write caching many people reported huge slowdowns.  Has there since been
an influx of reports of huge losses of data on all versions other than
4.3?

(Should I bring up the irony of the tagged-queueing IBM drives having a
high failure rate? <g>)

Mike "Silby" Silbersack


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