From owner-freebsd-fs Thu Jul 18 9:43:50 2002 Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 43A5137B401 for ; Thu, 18 Jul 2002 09:43:48 -0700 (PDT) Received: from bilver.wjv.com (user38.net339.fl.sprint-hsd.net [65.40.24.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id E4EDD43E67 for ; Thu, 18 Jul 2002 09:43:45 -0700 (PDT) (envelope-from bv@bilver.wjv.com) Received: (from bv@localhost) by bilver.wjv.com (8.11.6/8.11.6) id g6IGhTP52300; Thu, 18 Jul 2002 12:43:29 -0400 (EDT) (envelope-from bv) Date: Thu, 18 Jul 2002 12:43:29 -0400 From: Bill Vermillion To: "Douglas K. Rand" Cc: freebsd-fs@FreeBSD.ORG Subject: Re: Unexpected FS rot. Message-ID: <20020718164329.GB52076@wjv.com> Reply-To: bv@wjv.com References: <87y9c9hvvy.wl@delta.meridian-enviro.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87y9c9hvvy.wl@delta.meridian-enviro.com> User-Agent: Mutt/1.3.25i Organization: W.J.Vermillion / Orlando - Winter Park Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Douglas K. Rand, the prominent pundit, on Thu, Jul 18, 2002 at 10:57 while half mumbling, half-witicized: > The other day we had a mildly embarrassing event when we closed up a > case on one of our dual Athlon systems with out turning the case fans > on first. (There is this helpful switch to allow you to "hot swap" the > fans.) > So the Athlon's essentially turned themselves off after getting too > hot, which froze the system. After figuring out what we did wrong > (lots of Duh! going around that afternoon) we brought the system back > up. That's one reason that many advise not using Athon's in critical server systems. The P4 equivalents will throttle back their clock speed so as not to overheat. tomshardware.com had some pretty graphic pictures of Athlons that had melted - in under one second - when the CPU fans died. Later chip sets detect Athlon overheating and just shut the system down. ... Bill -- Bill Vermillion - bv @ wjv . com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message