From owner-freebsd-hardware@FreeBSD.ORG Thu Mar 18 17:10:22 2004 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AD0A016A528 for ; Thu, 18 Mar 2004 17:10:22 -0800 (PST) Received: from mx1.freebsdsystems.com (mx1.FreeBSDsystems.COM [69.90.68.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4337A43D41 for ; Thu, 18 Mar 2004 17:10:22 -0800 (PST) (envelope-from lnb@FreeBSDsystems.COM) Received: (qmail 65630 invoked by uid 0); 19 Mar 2004 01:10:08 -0000 Received: from unknown (HELO ?192.168.0.5?) (lnb@216.235.9.82) by mx1.freebsdsystems.com with AES256-SHA encrypted SMTP; 19 Mar 2004 01:10:08 -0000 From: Lanny Baron To: Olaf Hoyer In-Reply-To: <20040318235000.B44078@gaff.hhhr.ision.net> References: <20040316071708.C765C43D39@mx1.FreeBSD.org> <20040318235000.B44078@gaff.hhhr.ision.net> Content-Type: text/plain Organization: FreeBSD Systems, Inc. Message-Id: <1079658619.33813.33.camel@panda> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Thu, 18 Mar 2004 20:10:20 -0500 Content-Transfer-Encoding: 7bit cc: Artem Koutchine cc: "freebsd-hardware@freebsd.org" Subject: Re: Multiprocessor system VS one processor system X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Mar 2004 01:10:22 -0000 Olaf, Our Server Boards (mainboards are those $19.99 boards you can buy at the stores that sell the high-end 299.99 servers) are IA32 and our Server Boards (except one tyan that uses the opteron) are Intel. Sun uses different architecture and have significantly higher costs. Lanny On Thu, 2004-03-18 at 17:59, Olaf Hoyer wrote: > On Tue, 16 Mar 2004, Simon wrote: > > > > > Sounds like a cool feature. What detects/monitors the CPUs to spot any problems > > and mark them offline at the next reboot? is this a feature of FreeBSD or motherboards > > you use? I have never heard of anything like this on Intel based servers, before. > > > Hi! > > No, its a feature of a real "Server"-Mainboard. > > Standard feature in real iron, meaning non-i386 based. > > I hava @work lots of suns sitting around, that also get beaten and > (ab)used quite a lot, and then, we also have some share of defective > CPU's a year. But... the things an old 450 with 400 MHz CPUs and 20 > HDD's stacked will do > I/O-Wise, is not easily achievable with some modern dual-Xeon Server. > > in Intel world, I rarely experienced flaky CPU, but these i386 boxes are > rarely loaded to the load a Solaris/Sparc box can take, in most cases > the Intel box simply runs out of I/O-possibilities. > > I have some boxes here, that never go below 1000 procs simultaneously. > So a load of 10 or so is normal there. (Ok, they have more than 4 CPU, > though) > > > > PS: then again, I never had a CPU fail after it passed DOA, maybe I haven't gone > > through enough CPUs, yet. > Well, in i386 world, CPUs are mostly only going south when cooling is > bad, or you get some current spikes or so, with real iron, that is being > really beaten up, you have this more often. > But real iron also remains in production use for more that 3 years... > > > > Just my 0.02 Euro on this > Olaf -- =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= Lanny Baron Proud to be 100% FreeBSD http://www.FreeBSDsystems.COM =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=