Received: with ECARTIS (v1.0.0; list xfs); Thu, 21 Aug 2008 08:58:09 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.0-r574664 (2007-09-11) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=AWL,BAYES_00,J_CHICKENPOX_14 autolearn=no version=3.3.0-r574664 Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m7LFw65h028013 for ; Thu, 21 Aug 2008 08:58:06 -0700 X-ASG-Debug-ID: 1219334367-35c101f60000-NocioJ X-Barracuda-URL: http://cuda.sgi.com:80/cgi-bin/mark.cgi Received: from ipmail01.adl6.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 38B933BBFCC for ; Thu, 21 Aug 2008 08:59:27 -0700 (PDT) Received: from ipmail01.adl6.internode.on.net (ipmail01.adl6.internode.on.net [203.16.214.146]) by cuda.sgi.com with ESMTP id Iyfd4XvKWcYAy1zq for ; Thu, 21 Aug 2008 08:59:27 -0700 (PDT) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAKMtrUh5LD0w/2dsb2JhbAC2MYFm X-IronPort-AV: E=Sophos;i="4.32,246,1217773800"; d="scan'208";a="176604568" Received: from ppp121-44-61-48.lns10.syd7.internode.on.net (HELO disturbed) ([121.44.61.48]) by ipmail01.adl6.internode.on.net with ESMTP; 22 Aug 2008 01:29:26 +0930 Received: from dave by disturbed with local (Exim 4.69) (envelope-from ) id 1KWCZJ-00050q-BZ; Fri, 22 Aug 2008 01:59:25 +1000 Date: Fri, 22 Aug 2008 01:59:25 +1000 From: Dave Chinner To: Martin Knoblauch Cc: Szabolcs Szakacsits , Andrew Morton , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com X-ASG-Orig-Subj: Re: XFS vs Elevators (was Re: [PATCH RFC] nilfs2: continuous snapshotting file system) Subject: Re: XFS vs Elevators (was Re: [PATCH RFC] nilfs2: continuous snapshotting file system) Message-ID: <20080821155925.GI5706@disturbed> Mail-Followup-To: Martin Knoblauch , Szabolcs Szakacsits , Andrew Morton , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com References: <293210.50030.qm@web32606.mail.mud.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <293210.50030.qm@web32606.mail.mud.yahoo.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-Barracuda-Connect: ipmail01.adl6.internode.on.net[203.16.214.146] X-Barracuda-Start-Time: 1219334368 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Virus-Scanned: by cuda.sgi.com at sgi.com X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using per-user scores of TAG_LEVEL=2.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.1 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.1.3308 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Virus-Scanned: ClamAV 0.91.2/8061/Wed Aug 20 17:00:17 2008 on oss.sgi.com X-Virus-Status: Clean X-archive-position: 17661 X-ecartis-version: Ecartis v1.0.0 Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com X-original-sender: david@fromorbit.com Precedence: bulk X-list: xfs On Thu, Aug 21, 2008 at 04:05:21AM -0700, Martin Knoblauch wrote: > just curious - which CCISS controller and and what kind of disk configuration are you using. Smart Array 5300, using a single 36GB 10krpm U3SCSI disk. Looks like most of the problems were caused by the firmware, and are not driver related. An upgrade to a newer (2002!) firmware appears to have fixed the worst of the problems. Cheers, Dave. -- Dave Chinner david@fromorbit.com