From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 oBO5DCpm066373 for ; Thu, 23 Dec 2010 23:13:13 -0600 Received: from greer.hardwarefreak.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 7D2B61A32E30 for ; Thu, 23 Dec 2010 21:15:10 -0800 (PST) Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id zoO9lZQiVgBTpYSs for ; Thu, 23 Dec 2010 21:15:10 -0800 (PST) Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id 86D8A6C14F for ; Thu, 23 Dec 2010 23:15:10 -0600 (CST) Message-ID: <4D142C5E.2020004@hardwarefreak.com> Date: Thu, 23 Dec 2010 23:15:10 -0600 From: Stan Hoeppner MIME-Version: 1.0 Subject: Re: xfssyncd and disk spin down References: <20101223165532.GA23813@peter.simplex.ro> <4D13A30A.3090600@hardwarefreak.com> <20101223211650.GA19694@peter.simplex.ro> <4D13EF3B.2050401@hardwarefreak.com> In-Reply-To: <4D13EF3B.2050401@hardwarefreak.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Stan Hoeppner put forth on 12/23/2010 6:54 PM: > http://www.mjmwired.net/kernel/Documentation/filesystems/xfs.txt > > fs.xfs.xfssyncd_centisecs (Min: 100 Default: 3000 Max: 720000) > The interval at which the xfssyncd thread flushes metadata > out to disk. This thread will flush log activity out, and > do some processing on unlinked inodes. > > Maybe related or also worth mentioning: > > fs.xfs.age_buffer_centisecs (Min: 100 Default: 1500 Max: 720000) > The age at which xfsbufd flushes dirty metadata buffers to disk. These can be found in /proc/sys/fs/xfs and you'd simply ~$ echo 720000 > /proc/sys/fs/xfs/xfssyncd_centisecs to get the maximum 12 minute interval. -- Stan _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs