From owner-freebsd-scsi@FreeBSD.ORG Tue Feb 5 20:05:22 2008 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7E15116A418 for ; Tue, 5 Feb 2008 20:05:22 +0000 (UTC) (envelope-from marko.lerota@claresco.hr) Received: from zid.claresco.hr (zid.claresco.hr [85.114.42.226]) by mx1.freebsd.org (Postfix) with ESMTP id CA04D13C459 for ; Tue, 5 Feb 2008 20:05:21 +0000 (UTC) (envelope-from marko.lerota@claresco.hr) Received: (qmail 61901 invoked by uid 1001); 5 Feb 2008 21:05:40 +0100 To: Scott Long Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAJFBMVEWgnbRLVpRNVY9jMRPh s21jSlEyNVX45Mv4zI+sbUclFAtMVpT8V0lFAAACZ0lEQVR4nG3Tv2vbQBQHcFMogWyeNeVK BLXGl5j6xnABOaNTuXFGmWpwtw519yj4soW6AatT4GKD3+aDZrl/rt/Tr9qlGiz7Pn7v3bsf HVc/NrIiSfElqH53GgijcCqzk/+AmBF5cN0DsFlIRGMh/oHuqxkTM6VlzB4EoZEs2aSZOASb EQJYZpweQshE697GTDndBXtgp9LIT9+OpDGHEfb9knk+nx+jfN1JCVZMCl6XwFm0a2EXztZD 3s4fj47ZbKI2VeBmJImeEfGLJ+M9sDPilX7IB5rN6sdfcGhuoHU+LC4nxfnI7YOJtdb95Gb+ fbgJ2uJ2ZgaA++f5ZzBqNCCYfMTd5q0BfBVNqm7I8gUjQ+YtXotRW6PH9AEj+dKs/KuNQAl5 o/NY+QkonW8aQAl0oXMYPvRiXIM4pRJifbXytnhTA8alBx/jefG2ar3DBlt34/PXz9M+nMVN iNaPUdCApJc2ItejOmLGoK1qQLV9pJmXBnL10DYoBA5aHNfj8ZNwZa5O4CzgTJeilKJmrQJs IHIt1/7/Sg2p3iq/Hz0/5W05rq4M9aN2B5FLohUP4ylVyfxhEIjAs8J4PhIJ9U+CEroogib5 BXAf7bB4vkfAzgPFt1tM9sJZAOH+lCexhwswuNtim4QTZdokqo4o89LkH7V6iFxICeqfp+Wh fmUuGPunLj2Meti6Cn4DjJ/UReROqR+aqawAi/JkfgKE64rrfkhjU8MtT8ivR4S5n6Yo08A7 HvgAlHDWRSGlNSDxwK9HtXy4FS2I60EdUIJM+Ut9OZNJG4CpbEQW1VBQoQoPuBw2EVa4P0u0 TgzQF+VoAAAAAElFTkSuQmCC In-Reply-To: <47A89582.6050202@samsco.org> (Scott Long's message of "Tue, 05 Feb 2008 09:57:38 -0700") References: <863as8znaf.fsf@zid.claresco.hr> <47A74782.5070408@samsco.org> <86sl08y56d.fsf@zid.claresco.hr> <86lk5zesmr.fsf@zid.claresco.hr> <47A89582.6050202@samsco.org> Organization: *BSD Users - Fanatics Dept. From: Marko Lerota Date: Tue, 05 Feb 2008 21:05:40 +0100 Message-ID: <86odavcgob.fsf@zid.claresco.hr> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.1 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-scsi@freebsd.org Subject: Re: LSI 1064E poor performance X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Feb 2008 20:05:22 -0000 Scott Long writes: >>>> Go to the BIOS and turn on the cache for the array. >>> There is no any cache option in BIOS to tourn on, or in >>> LSI setup utility (CTRL+c) >> I installed debian and it's working fine. Do I really have to switch >> to Linux? > > I'll say it one more time. Go into the BIOS for the _controller_ and > turn on the cache. I'll say it one more time, there is no any cache option in BIOS of the controller :). It's IBM X3250. > Yes, linux performs better at 'dd' in the non-cache > case because linux sends larger i/o's down to the controller than > freebsd does. This difference matters little when doing real file > i/o. > So no, you don't have to switch to linux, and no, linux doesn't actually > perform better. I did not, I switch to HP :) -- One cannot sell the earth upon which the people walk Tacunka Witco