From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Mon, 18 Feb 2008 14:50:42 -0800 (PST) Received: from larry.melbourne.sgi.com (larry.melbourne.sgi.com [134.14.52.130]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with SMTP id m1IMoVEt032636 for ; Mon, 18 Feb 2008 14:50:34 -0800 Date: Tue, 19 Feb 2008 09:50:43 +1100 From: David Chinner Subject: Re: Data safety horror stories? Message-ID: <20080218225043.GQ155407@sgi.com> References: <1202748389.28320.1236240801@webmail.messagingengine.com> <20080211171209.GA7567@teal.hq.k1024.org> <1202764989.11126.1236296081@webmail.messagingengine.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1202764989.11126.1236296081@webmail.messagingengine.com> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: "Felix E. Klee" Cc: Iustin Pop , xfs-oss On Mon, Feb 11, 2008 at 10:23:09PM +0100, Felix E. Klee wrote: > Hi Justin, > > thanks for the info! > > On Mon, 11 Feb 2008 18:12:09 +0100, "Iustin Pop" said: > > No, XFS will not lose any data that the application has committed to > > the disk. > > OK, but just to make sure: The following FAQ entry refers only to > *newly* created files - right? > > http://oss.sgi.com/projects/xfs/faq.html#nulls No - it can affect an file where the write is extending the file. The NULLs problem should be very rare now - we've fixed the common causes of this problem.... > > Improperly written applications and/or improperly configured systems > > might have issues with recently written files losing data. > > Again, just to make sure that I understood you correctly: Could you name > an example? I suggest watching the video of this talk from the 2007 linux.conf.au: http://lca2007.linux.org.au/talk/278.html It's all about how applications do stupid stuff that can lose data. Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group