From owner-cvs-all Wed Oct 24 19: 4:53 2001 Delivered-To: cvs-all@freebsd.org Received: from leviathan.inethouston.net (leviathan.inethouston.net [66.64.12.249]) by hub.freebsd.org (Postfix) with ESMTP id 24BE037B403; Wed, 24 Oct 2001 19:04:45 -0700 (PDT) Received: by leviathan.inethouston.net (Postfix, from userid 1001) id A91AF10F40B; Wed, 24 Oct 2001 21:04:50 -0500 (CDT) Date: Wed, 24 Oct 2001 21:04:50 -0500 From: "David W. Chapman Jr." To: Mike Silbersack Cc: Dag-Erling Smorgrav , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/ata ata-disk.c Message-ID: <20011024210450.B70640@leviathan.inethouston.net> Reply-To: "David W. Chapman Jr." Mail-Followup-To: Mike Silbersack , Dag-Erling Smorgrav , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org References: <200110241824.f9OIOAn77833@freefall.freebsd.org> <20011024134810.C77798-100000@achilles.silby.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20011024134810.C77798-100000@achilles.silby.com> User-Agent: Mutt/1.3.23i X-Operating-System: FreeBSD 4.4-STABLE i386 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Oct 24, 2001 at 01:51:39PM -0500, Mike Silbersack wrote: > > 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? ) > I have one and unfortunately I just found out about that also. I hope I don't get hit by that problem!!!! -- David W. Chapman Jr. dwcjr@inethouston.net Raintree Network Services, Inc. dwcjr@freebsd.org FreeBSD Committer To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message