From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754074AbYLVIvA (ORCPT ); Mon, 22 Dec 2008 03:51:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753191AbYLVIuw (ORCPT ); Mon, 22 Dec 2008 03:50:52 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:48870 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752933AbYLVIuv (ORCPT ); Mon, 22 Dec 2008 03:50:51 -0500 Date: Mon, 22 Dec 2008 03:50:47 -0500 From: Christoph Hellwig To: Pavel Machek Cc: Justin Piszcz , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, Alan Piszcz Subject: Re: Intel X25-E running Linux using XFS Message-ID: <20081222085047.GA24795@infradead.org> References: <20081212185803.GE11974@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081212185803.GE11974@elf.ucw.cz> User-Agent: Mutt/1.5.18 (2008-05-17) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 12, 2008 at 07:58:03PM +0100, Pavel Machek wrote: > Actually I'd like to know... how does it behave during powerfails > while it is being written to? I've done various powerfail tests with and X25-M and as expect it behaves perfectly fine as long as you either disable the write cache or use barriers. The default ext3 setup without barriers corrupts the filesystem left, right and center, but that's the same as other recent disk drives with large caches. 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 (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id mBM8orFT024828 for ; Mon, 22 Dec 2008 02:50:58 -0600 Received: from bombadil.infradead.org (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 95CBF3DD4A for ; Mon, 22 Dec 2008 00:50:52 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) by cuda.sgi.com with ESMTP id 9wQHcZthnuQjlH2R for ; Mon, 22 Dec 2008 00:50:52 -0800 (PST) Date: Mon, 22 Dec 2008 03:50:47 -0500 From: Christoph Hellwig Subject: Re: Intel X25-E running Linux using XFS Message-ID: <20081222085047.GA24795@infradead.org> References: <20081212185803.GE11974@elf.ucw.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20081212185803.GE11974@elf.ucw.cz> 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: Pavel Machek Cc: Alan Piszcz , xfs@oss.sgi.com, linux-kernel@vger.kernel.org On Fri, Dec 12, 2008 at 07:58:03PM +0100, Pavel Machek wrote: > Actually I'd like to know... how does it behave during powerfails > while it is being written to? I've done various powerfail tests with and X25-M and as expect it behaves perfectly fine as long as you either disable the write cache or use barriers. The default ext3 setup without barriers corrupts the filesystem left, right and center, but that's the same as other recent disk drives with large caches. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs