From owner-freebsd-current@FreeBSD.ORG Fri Jan 2 12:26:47 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 83B7816A4CE for ; Fri, 2 Jan 2004 12:26:47 -0800 (PST) Received: from smtpzilla3.xs4all.nl (smtpzilla3.xs4all.nl [194.109.127.139]) by mx1.FreeBSD.org (Postfix) with ESMTP id C1EE143D1F for ; Fri, 2 Jan 2004 12:26:43 -0800 (PST) (envelope-from wkb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtpzilla3.xs4all.nl (8.12.9/8.12.9) with ESMTP id i02KQR8V016240; Fri, 2 Jan 2004 21:26:27 +0100 (CET) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.12.10/8.12.9) with ESMTP id i02KQRKi065777; Fri, 2 Jan 2004 21:26:27 +0100 (CET) (envelope-from wkb@freebie.xs4all.nl) Received: (from wkb@localhost) by freebie.xs4all.nl (8.12.10/8.12.9/Submit) id i02KQRKF065776; Fri, 2 Jan 2004 21:26:27 +0100 (CET) (envelope-from wkb) Date: Fri, 2 Jan 2004 21:26:27 +0100 From: Wilko Bulte To: Andre Guibert de Bruet Message-ID: <20040102202627.GC65653@freebie.xs4all.nl> References: <20040102143551.H9356@alpha.siliconlandmark.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040102143551.H9356@alpha.siliconlandmark.com> User-Agent: Mutt/1.4.1i X-OS: FreeBSD 4.9-STABLE X-PGP: finger wilko@freebsd.org cc: Jeff Jirsa cc: Oliver Brandmueller cc: current@freebsd.org Subject: Re: Hot Swapping CPUs? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: wkb@xs4all.nl List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jan 2004 20:26:47 -0000 On Fri, Jan 02, 2004 at 03:14:08PM -0500, Andre Guibert de Bruet wrote: > > On Fri, 2 Jan 2004, Jeff Jirsa wrote: > > > [ I can't send to the list, since this location lacks RDNS, but feel > > free to send followups to the list if you feel they're of use ] > > > > > Find me a x86 motherboard (with specs, preferably) that supports cpu > > > failure-monitoring and hot-swapping and I'll volunteer time to hack up > > > some code for you. (We have a need for this functionality in > > > our x86-farm at work, so I'd get to do it on the clock. :) ) > > ... > you've realized that a CPU on your production online system has failed and > 7AM when the system vendor's 4hr response team shows up. Powering down a > system for a proc replacement causes a 5 minute downtime window which will > still let you maintain 99.99904% availability (based on a 365.25 day > year). 5 minutes? Forget that for serious (non-x86 ;-) servers with Gigs and gigs of memory and tons of I/O adapters. It takes >> 5 minutes to boot those buggers.. -- | / o / /_ _ |/|/ / / /( (_) Bulte wilko@FreeBSD.org