X-Spam-Checker-Version: SpamAssassin 3.4.0-r929098 (2010-03-30) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.4.0-r929098 Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o4JHVYN3144386 for ; Wed, 19 May 2010 12:31:34 -0500 X-ASG-Debug-ID: 1274290431-7f5a01130000-NocioJ X-Barracuda-URL: http://cuda.sgi.com:80/cgi-bin/mark.cgi Received: from petole.demisel.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C23951B5D669 for ; Wed, 19 May 2010 10:33:52 -0700 (PDT) Received: from petole.demisel.net (petole.demisel.net [88.174.118.95]) by cuda.sgi.com with ESMTP id yQYrCV8m0al4yZHc for ; Wed, 19 May 2010 10:33:52 -0700 (PDT) Received: by petole.demisel.net (Postfix, from userid 1000) id 1FA076D859; Wed, 19 May 2010 19:33:49 +0200 (CEST) To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: noatime,nodiratime? Subject: Re: noatime,nodiratime? References: <4BF3F212.5030600@hardwarefreak.com> From: Nicolas KOWALSKI Date: Wed, 19 May 2010 19:33:49 +0200 In-Reply-To: <4BF3F212.5030600@hardwarefreak.com> Message-ID: <87mxvveqyq.fsf@petole.demisel.net> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Barracuda-Connect: petole.demisel.net[88.174.118.95] X-Barracuda-Start-Time: 1274290432 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 3.2.2.30266 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on oss.sgi.com X-Virus-Status: Clean Stan Hoeppner writes: > Need a little education here. I have a general understanding of what the > inode access timestamps "are" but I have no idea what, if any, applications > make use of these access times. I see posts all over Google land saying to > use "noatime,nodiratime,logbufs=8" for XFS mount options to increase > performance. BTW, about the mount options for XFS, is there a way to check for the default values (things like logbsize, logbufs, something else)? I used to have noatime,logbufs=8,logbsize=256k on my fileserver, not sure if these are still necessary. Thanks, -- Nicolas