Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754779AbYCNLl5 (ORCPT ); Fri, 14 Mar 2008 07:41:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752218AbYCNLlu (ORCPT ); Fri, 14 Mar 2008 07:41:50 -0400 Received: from main.gmane.org ([80.91.229.2]:53055 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751575AbYCNLlt (ORCPT ); Fri, 14 Mar 2008 07:41:49 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Benny Amorsen Subject: Re: [ANNOUNCE] Ramback: faster than a speeding bullet Date: Fri, 14 Mar 2008 12:41:31 +0100 Message-ID: References: <200803092346.17556.phillips@phunq.net> <200803110450.19390.phillips@phunq.net> <20080311215601.GM23784@marowsky-bree.de> <200803111602.53835.phillips@phunq.net> <20080312133001.1668f40d@the-village.bc.nu> <20080314093019.GA5966@ucw.cz> <47DA5C8D.2020207@emc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: hd5b9080a.c45-01-12.sta.perspektivbredband.net User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) Cancel-Lock: sha1:vfRBYKjedfn208oD3/SdE9IQ3kE= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 629 Lines: 12 Ric Wheeler writes: > The only really safe default is to disable the write cache by default > or possibly dynamically disable the write cache when barriers are not > supported by a drive. Both have a severe performance impact and I am > not sure that for most casual users it is a good trade. So people ARE running their disks in a mode similar to Ramback. /Benny -- 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/