Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759274AbZAGPCQ (ORCPT ); Wed, 7 Jan 2009 10:02:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754803AbZAGPB5 (ORCPT ); Wed, 7 Jan 2009 10:01:57 -0500 Received: from static-71-162-243-5.phlapa.fios.verizon.net ([71.162.243.5]:34674 "EHLO grelber.thyrsus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753065AbZAGPB4 (ORCPT ); Wed, 7 Jan 2009 10:01:56 -0500 From: Rob Landley Organization: Boundaries Unlimited To: Alan Cox Subject: Re: document ext3 requirements Date: Wed, 7 Jan 2009 05:59:02 -0600 User-Agent: KMail/1.10.1 (Linux/2.6.27-9-generic; KDE/4.1.2; x86_64; ; ) Cc: Theodore Tso , "Alexander E. Patrakov" , Pavel Machek , kernel list , Andrew Morton , mtk.manpages@gmail.com, rdunlap@xenotime.net, linux-doc@vger.kernel.org References: <20090103123813.GA1512@ucw.cz> <20090104183834.GB17558@mit.edu> <20090105114329.7973057b@lxorguk.ukuu.org.uk> In-Reply-To: <20090105114329.7973057b@lxorguk.ukuu.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200901070559.03359.rob@landley.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 736 Lines: 17 On Monday 05 January 2009 05:43:29 Alan Cox wrote: > > Huh? I've never heard an assertion that disabling the write cache (I > > assume you mean using write-through caching as opposed to write-back > > caching), shortens the lifespan of disk drives. Aggressive battery > > Thats what I was told by a disk vendor - simply because the drive makes a > lot more mechanical movements and writes. It certainly sounds like less write cacheing would shorten the lifespan of flash devices... Rob -- 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/