From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266925AbUHOVyM (ORCPT ); Sun, 15 Aug 2004 17:54:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267164AbUHOVyM (ORCPT ); Sun, 15 Aug 2004 17:54:12 -0400 Received: from the-village.bc.nu ([81.2.110.252]:14049 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S266925AbUHOVyL (ORCPT ); Sun, 15 Aug 2004 17:54:11 -0400 Subject: Re: Linux SATA RAID FAQ From: Alan Cox To: Xavier Bestel Cc: Jeff Garzik , Bernd Eckenfels , Linux Kernel Mailing List In-Reply-To: <1092603242.7421.6.camel@nomade> References: <1092315392.21994.52.camel@localhost.localdomain> <411BA7A1.403@pobox.com> <411BA940.5000300@pobox.com> <1092520163.27405.11.camel@localhost.localdomain> <1092603242.7421.6.camel@nomade> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1092603106.18410.0.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Sun, 15 Aug 2004 21:51:46 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sul, 2004-08-15 at 21:54, Xavier Bestel wrote: > Isn't sufficient to have it do ordered writes ? If you power your > machine off, you'll have things half-written anyway, the only thing > important with journaled filesystems (and raid5 arrays) is to have > writes staying between barriers. True to a point but 2Gb of data going walkies will offend even if the file system is gloriously intact