From owner-freebsd-current@FreeBSD.ORG Sun May 30 13:19:45 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 72CD416A4CE for ; Sun, 30 May 2004 13:19:45 -0700 (PDT) Received: from mail.sandvine.com (sandvine.com [199.243.201.138]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0C6A743D55 for ; Sun, 30 May 2004 13:19:45 -0700 (PDT) (envelope-from don@sandvine.com) Received: by mail.sandvine.com with Internet Mail Service (5.5.2657.72) id ; Sun, 30 May 2004 16:19:44 -0400 Message-ID: From: Don Bowman To: 'Doug White' , Don Bowman Date: Sun, 30 May 2004 16:19:38 -0400 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2657.72) Content-Type: text/plain; charset="iso-8859-1" cc: "'current@freebsd.org'" Subject: RE: hang with raid, postgresql X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 May 2004 20:19:45 -0000 From: Doug White [mailto:dwhite@gumbysoft.com] > On Sun, 30 May 2004, Don Bowman wrote: > > > > > I have a system with 2x 2.8GHz XEON (P4), intel e7501 chipset, > > 4GB of ram, aac [adaptec 2200s] raid with 4 scsi > > disks. I have also tried asr (adaptec 2015). > > I have tried two different motherboards. > > The only application the machine runs is postgresql, > > with about ~30 databases, about ~250GB of data. > > > > I'm finding the machine locks up solid once a day > > or so (sometimes more, sometimes less, no pattern > > of time of day). I know its not a hardware issue, it > > is reliable with FreeBSD 4.7. I've run through memory > > test, disk test, etc. > > > > There appears to be a correlation between > > disk activity (postgresql vacuum) and the lockup, > > but i can't be sure. > > Temperature? > > What motherboard is it exactly? lmmon shows the mobo temperature @ 28C. It is in an AC-controlled environment (~20C ambient). The system has 6 blower fans, ducted over the CPU's, with the copper heat sinks designed for the 3.2GHz XEON. It has 3 power supplies, each with separate AC inlet, fed from a UPS with filtered power. It should have ~150% airflow redundancy, and ~200% power redundancy. This is a supermicro X5DPE motherboard. http://www.supermicro.com/products/chassis/3U/933/SC933S2-R760.cfm shows the system. It was tested for ~1week with FreebSD 4.7 at temperature in an environmental chamber, including cycling into memtest86 every 2 hours. I've been battling this hang for ~6weeks, this is a swap-out of all the hardware (new system). --don