From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heinz Diehl Subject: Re: [PATCH] DM-CRYPT: Scale to multiple CPUs v3 on 2.6.37-rc* ? Date: Sun, 7 Nov 2010 21:36:37 +0100 Message-ID: <20101107203637.GA12615@fritha.org> References: <4CD6B7FA.3050005@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Matt Cc: Milan Broz , Andi Kleen , Linux Kernel , dm-devel@redhat.com, htd@fancy-poultry.org List-Id: dm-devel.ids On 07.11.2010, Matt wrote: > noatime,nodiratime,barrier=1 One of my systems runs a squid webcache and has a lot of disk load, and I've never seen data loss or corruption, all the way up from 2.6.34 to the latest -git. (Btw: "noatime" superseeds "nodiratime", you can therefore drop it when "noatime" is set.) > I read about barrier-problems and data getting to the partition when > using dm-crypt and several layers so I don't know if that could be > related I would rather guess that you have filesystem / harddisk problems, but I must admit I've never mounted one of my filesystems with barriers enabled (I use XFS exclusively).