From owner-freebsd-current Sat Sep 6 19:12:58 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id TAA19463 for current-outgoing; Sat, 6 Sep 1997 19:12:58 -0700 (PDT) Received: from pluto.plutotech.com (root@mail.plutotech.com [206.168.67.137]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id TAA19451 for ; Sat, 6 Sep 1997 19:12:53 -0700 (PDT) Received: from narnia.plutotech.com (narnia.plutotech.com [206.168.67.130]) by pluto.plutotech.com (8.8.5/8.8.5) with ESMTP id UAA26212; Sat, 6 Sep 1997 20:12:42 -0600 (MDT) Message-Id: <199709070212.UAA26212@pluto.plutotech.com> To: S ren Schmidt cc: mal@algonet.se (Mats Lofkvist), current@FreeBSD.ORG Subject: Re: lousy disk perf. under cpu load (was IDE vs SCSI) In-reply-to: Your message of "Sat, 06 Sep 1997 23:40:24 +0200." <199709062140.XAA07333@sos.freebsd.dk> Date: Sat, 06 Sep 1997 20:09:30 -0600 From: "Justin T. Gibbs" Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk >This is about half the rate as on an unloaded system... >So maybe this is handled better in current, or EIDE w/DMA is not >as bad as people think. The only advantage with SCSI these days >seems to be the ability to add more than 4 devices easily, and >to add them externally of the machine. But then again you have to >pay solid bucks to get that :) Don't forget tagged queueing. >-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- >Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team > Even more code to hack -- will it ever end >.. -- Justin T. Gibbs =========================================== FreeBSD: Turning PCs into workstations ===========================================