From owner-freebsd-questions@FreeBSD.ORG Tue May 20 15:50:16 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7FFC91065671 for ; Tue, 20 May 2008 15:50:16 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (mail.computinginnovations.com [64.81.227.250]) by mx1.freebsd.org (Postfix) with ESMTP id 2A6408FC13 for ; Tue, 20 May 2008 15:50:15 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from p28.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.14.2/8.14.2) with ESMTP id m4KFo5In069104; Tue, 20 May 2008 10:50:05 -0500 (CDT) (envelope-from derek@computinginnovations.com) Message-Id: <6.0.0.22.2.20080520104521.0250f878@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Tue, 20 May 2008 10:47:48 -0500 To: "Alan Gilmour" , freebsd-questions@freebsd.org From: Derek Ragona In-Reply-To: <38f284ee0805200717l7008e18fud9631bf80839ceb1@mail.gmail.co m> References: <38f284ee0805200717l7008e18fud9631bf80839ceb1@mail.gmail.com> Mime-Version: 1.0 X-Antivirus: avast! (VPS 080520-0, 05/20/2008), Outbound message X-Antivirus-Status: Clean X-Virus-Scanned: ClamAV 0.93/6806/Wed Apr 16 15:50:16 2008 on betty.computinginnovations.com X-Virus-Status: Clean X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-MailScanner-ID: m4KFo5In069104 X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: Server crashing, no explanations X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 May 2008 15:50:16 -0000 At 09:17 AM 5/20/2008, Alan Gilmour wrote: >Hey all, > >We have recently been getting a lot of traffic to one of our sites. >The CPU is consistently during busy periods using 100% utilisation. >When this happens we have approx 150 apache threads, and the loads >goes way above 15. > >However recently the server has been auto-restarting (when under heavy >load) with no explanation in any logs. I've checked the console log, >messages, db logs e.t.c. but no mention of anything wrong. > >Brief server summary : > >FreeBSD 6.3-STABLE #0: >CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2800.11-MHz 686-class CPU) > Logical CPUs per core: 2 >real memory = 17716740096 (16896 MB) >avail memory = 16837763072 (16057 MB) >FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs > >We tried installing mbmon and lmmon and healthd, but none seem to work. > >Anyone got any suggestions for other things we can try to detect why >the server is failing? or other ways to check things like CPU temp and >memory status? > >Cheers > >Alan Alan, Have you run the complete dell diagnostics? Also I would run the diagnostics for the hard drive from that manufacturer as well. Do you have any issues with power to this server? Does it have a redundant power supply installed? Any issues with heat? -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.