Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755858AbZDNOKs (ORCPT ); Tue, 14 Apr 2009 10:10:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753914AbZDNOKj (ORCPT ); Tue, 14 Apr 2009 10:10:39 -0400 Received: from one.firstfloor.org ([213.235.205.2]:48500 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753791AbZDNOKj (ORCPT ); Tue, 14 Apr 2009 10:10:39 -0400 To: anton@mips.complang.tuwien.ac.at Cc: linux-kernel@vger.kernel.org Subject: Re: Out-of-order writing by disk drives From: Andi Kleen References: Date: Tue, 14 Apr 2009 16:10:34 +0200 In-Reply-To: (Anton Ertl's message of "Tue, 7 Apr 2009 22:04:29 +0200 (CEST)") Message-ID: <87r5zv72cl.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 16 "Anton Ertl" writes: > > /dev/md2 /home ext3 defaults,barrier=1 1 2 Just make sure /dev/md2 is a RAID1, MD RAID0/5/10 don't support barriers. See also my general treatise of multiple device barriers earlier today. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/