From owner-freebsd-questions Tue Nov 27 1:18:50 2001 Delivered-To: freebsd-questions@freebsd.org Received: from freebie.atkielski.com (ASt-Lambert-101-2-1-14.abo.wanadoo.fr [193.251.59.14]) by hub.freebsd.org (Postfix) with ESMTP id 45AC137B440 for ; Tue, 27 Nov 2001 01:18:47 -0800 (PST) Received: from contactdish (win.atkielski.com [10.0.0.10]) by freebie.atkielski.com (8.11.3/8.11.3) with SMTP id fAR9Ij702588 for ; Tue, 27 Nov 2001 10:18:45 +0100 (CET) (envelope-from anthony@freebie.atkielski.com) Message-ID: <002201c17724$84043200$0a00000a@atkielski.com> From: "Anthony Atkielski" To: "FreeBSD Question List" References: <01112609195201.00903@i8k.babbleon.org> <20011126172050.A63285@luke.immure.com> Subject: Re: Softupdates Date: Tue, 27 Nov 2001 10:18:45 +0100 Organization: Anthony's Home Page (development site) MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MIMEOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Bob writes: > BTW, the performance on SCSI disks doesn't seem > to be nearly as adversly affected by disabling > write caching (perhaps due to their higher-level > command interface, esp. command tag queuing). I seem to recall that SCSI disk drives and controllers are more likely to have on-board transparent write caching, which would speed them up considerably. On those rare occasions where this is not completely transparent, there can be serious problems. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message