From owner-freebsd-hardware@FreeBSD.ORG Mon Mar 6 02:01:18 2006 Return-Path: X-Original-To: freebsd-hardware@freebsd.org 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 43E8716A420 for ; Mon, 6 Mar 2006 02:01:18 +0000 (GMT) (envelope-from freebsd@swaggi.com) Received: from swaggi.com (c-24-131-179-91.hsd1.ma.comcast.net [24.131.179.91]) by mx1.FreeBSD.org (Postfix) with ESMTP id E93C543D48 for ; Mon, 6 Mar 2006 02:01:15 +0000 (GMT) (envelope-from freebsd@swaggi.com) Received: from localhost ([127.0.0.1] helo=swaggi.com) by swaggi.com with esmtp (Exim 4.60 (FreeBSD)) (envelope-from ) id 1FG52B-0002rz-0g for freebsd-hardware@freebsd.org; Sun, 05 Mar 2006 21:01:15 -0500 Received: (from freebsd@localhost) by swaggi.com (8.13.3/8.13.3/Submit) id k2621EVT011033; Sun, 5 Mar 2006 21:01:14 -0500 (EST) (envelope-from freebsd@swaggi.com) Date: Sun, 5 Mar 2006 21:01:14 -0500 (EST) From: "Yuri Lukin" To: freebsd-hardware@freebsd.org Cc: X-Originating-IP: 192.168.1.9 X-Mailer: Usermin 1.190 In-Reply-To: <440B87C2.3060704@lbl.gov> Message-Id: <1141610474.10989@swaggi.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="bound1141610474" Subject: Re: FreeBSD shutting down unexpectedly X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Mar 2006 02:01:18 -0000 This is a multi-part message in MIME format. --bound1141610474 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Jin Guojun [VFFS] wrote .. > Gary Corcoran wrote: > > You may have a failing, or underpowered, power supply, which could cause > > flakiness when you have large amounts of CPU and/or disk activity. > > It sound like a power related issue. Another thing to try is to remove > the UPS, > even though you think it is OK. > 5 years ago, we bought 25 APC and more than 7 had some problems. Some of > them turned machine off, while monitor meter did not show losing power. > APC may have improved their product now, but try to isolate it first. > If the server still has the same problem, than the power supply may be > degraded > (check the fan and temperature). > Dying hard drive generally will not cause power shuting down. > > -Jin Thanks for the suggestions everyone, I will find some time this week to bring down the server and thoroughly inspect the hardware. It's most likely the power supply failing so I will have to look for a replacement. I will update the list once I find the culprit. -Yuri --bound1141610474--