Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 7A979B5DC35 for ; Thu, 26 May 2011 00:18:28 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 31391-05-4 for ; Thu, 26 May 2011 03:18:20 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from www.postnewspapers.com.au (www.postnewspapers.com.au [173.230.139.50]) by mail.postgresql.org (Postfix) with ESMTP id C4D98B5DCFA for ; Thu, 26 May 2011 00:17:59 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by www.postnewspapers.com.au (Postfix) with ESMTP id 234C1823; Wed, 25 May 2011 23:17:59 -0400 (EDT) X-Virus-Scanned: amavisd-new at postnewspapers.com.au.com Received: from www.postnewspapers.com.au ([127.0.0.1]) by localhost (www.postnewspapers.com.au [127.0.0.1]) (amavisd-new, port 10024) with LMTP id JyFNArwfeG0n; Wed, 25 May 2011 23:17:58 -0400 (EDT) Received: from mail.postnewspapers.com.au (ppp171-128.static.internode.on.net [150.101.171.128]) by www.postnewspapers.com.au (Postfix) with ESMTP id 406302D; Wed, 25 May 2011 23:17:58 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.postnewspapers.com.au (Postfix) with ESMTP id 118BDAE36C; Thu, 26 May 2011 11:17:57 +0800 (WST) X-Virus-Scanned: Debian amavisd-new at postnewspapers.com.au Received: from mail.postnewspapers.com.au ([127.0.0.1]) by localhost (mail.postnewspapers.com.au [127.0.0.1]) (amavisd-new, port 10024) with LMTP id OEqofBj9V-lu; Thu, 26 May 2011 11:17:52 +0800 (WST) Received: from [10.1.1.5] (203-206-49-57.dyn.iinet.net.au [203.206.49.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "Craig Ringer", Issuer "POST Certificate Authority" (verified OK)) by mail.postnewspapers.com.au (Postfix) with ESMTPSA id 3A20AAE2B9; Thu, 26 May 2011 11:17:52 +0800 (WST) Message-ID: <4DDDC65E.1040606@postnewspapers.com.au> Date: Thu, 26 May 2011 11:17:50 +0800 From: Craig Ringer User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Thunderbird/3.1.10 MIME-Version: 1.0 To: Scott Marlowe CC: John Rouillard , pgsql-performance@postgresql.org Subject: Re: "error with invalid page header" while vacuuming pgbench data References: <20110523221603.GA31823@renesys.com> <4DDA9780020000250003DB62@gw.wicourts.gov> <20110525171239.GC31823@renesys.com> <4DDD1E1F020000250003DCDA@gw.wicourts.gov> <20110525220716.GF31823@renesys.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201105/358 X-Sequence-Number: 43867 On 05/26/2011 06:18 AM, Scott Marlowe wrote: > On Wed, May 25, 2011 at 4:07 PM, John Rouillard wrote: >> Well I am also managing to panic the kernel on some runs as well. So >> my guess is this is not only a postgres bug (if it's a postgres issue >> at all). >> >> As gregg mentioned in another followup ext4 under centos 5.x may be an >> issue. I'll drop back to ext3 and see if I can replicate the >> corruption or crashes one I rule out some potential hardware issues. > > Also do the standard memtest86+ run to ensure your memory isn't bad. > Also do a simple dd if=/dev/sda of=/dev/null to make sure the drive > has no errors. If possible, also/instead use smartctl from smartmontools to ask the drive to do an internal self-test and surface scan. This doesn't help you with RAID volumes, but is often much more informative with plain physical drives. -- Craig Ringer