From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n2CGbGqV088240 for ; Thu, 12 Mar 2009 11:37:36 -0500 Message-ID: <49B93A04.4070405@sandeen.net> Date: Thu, 12 Mar 2009 11:36:20 -0500 From: Eric Sandeen MIME-Version: 1.0 Subject: Re: LWN article: ext4 and data loss References: <200903121239.35442@zmi.at> <49B9097C.1070003@sandeen.net> (sfid-20090312_151043_496061_D19DDB11) <200903121514.12732.Martin@lichtvoll.de> <49B92423.4020708@sandeen.net> <49B9396D.7060809@sgi.com> In-Reply-To: <49B9396D.7060809@sgi.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: Greg Banks Cc: xfs@oss.sgi.com Greg Banks wrote: > Eric Sandeen wrote: >> It's simple. Want your data safe on disk? fsync. There's not a lot >> more to it than that. (and if fsync hurts perf too much, re-think how >> you are storing your data) >> >> Filesystems can hack around some heuristics to try to make unsafe apps >> safer, but in the end, it's the app's job to make sure a buffered write >> hits permanent storage when it matters. >> > > Stewart Smith has a highly entertaining presentation on this very topic. > > http://www.linux.org.au/conf/2007/talk/278.html > and http://www.flamingspork.com/talks/2007/06/eat_my_data.odp In hindsight, http://linuxmafia.com/faq/Filesystems/reiserfs.html is entertaining, too ;) -Eric _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs