From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Mon, 28 May 2007 16:06:19 -0700 (PDT) Received: from larry.melbourne.sgi.com (larry.melbourne.sgi.com [134.14.52.130]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with SMTP id l4SN6DWt000883 for ; Mon, 28 May 2007 16:06:15 -0700 Date: Tue, 29 May 2007 09:06:08 +1000 From: David Chinner Subject: Re: raid5: I lost a XFS file system due to a minor IDE cable problem Message-ID: <20070528230608.GH85884050@sgi.com> References: <200705241318.30711.dap@mail.index.hu> <200705280350.18384.dap@mail.index.hu> <20070528021718.GZ85884050@sgi.com> <200705281317.32384.dap@mail.index.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200705281317.32384.dap@mail.index.hu> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Pallai Roland Cc: David Chinner , Linux-Raid , xfs@oss.sgi.com On Mon, May 28, 2007 at 01:17:31PM +0200, Pallai Roland wrote: > On Monday 28 May 2007 04:17:18 David Chinner wrote: > > Hmmmm. A quick look at the linux code makes me thikn that background > > writeback on linux has never been able to cause a shutdown in this case. > > However, the same error on Irix will definitely cause a shutdown, > > though.... > I hope Linux will follow Irix, that's a consistent standpoint. I raised a bug for this yesterday when writing that reply. It won't get forgotten now.... > David, have you a plan to implement your "reporting raid5 block layer" > idea? No one else has caring about this silent data loss on temporary > (cable, power) failed raid5 arrays as I see, I really hope you do at least! Yeah, I'd love to get something like this happening, but given it's about half way down my list of "stuff to do when I have some spare time" I'd say it will be about 2015 before I get to it..... Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group