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 Message-ID: <20011024134810.C77798-100000@achilles.silby.com> In-Reply-To: <200110241824.f9OIOAn77833@freefall.freebsd.org>
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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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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