From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265877AbUBPREq (ORCPT ); Mon, 16 Feb 2004 12:04:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265878AbUBPREp (ORCPT ); Mon, 16 Feb 2004 12:04:45 -0500 Received: from stat1.steeleye.com ([65.114.3.130]:36239 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S265877AbUBPREm (ORCPT ); Mon, 16 Feb 2004 12:04:42 -0500 Subject: Re: dm core patches From: James Bottomley To: Jens Axboe Cc: Linux Kernel In-Reply-To: <20040216165756.GB18938@suse.de> References: <1076690681.2158.54.camel@mulgrave> <20040216165756.GB18938@suse.de> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-9) Date: 16 Feb 2004 12:04:36 -0500 Message-Id: <1076951077.2419.67.camel@mulgrave> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2004-02-16 at 11:57, Jens Axboe wrote: > Nope, this looks pretty spot-on to me. I have to agree with Lars and > rather keep it simple and straight forward, than introduce shady > informational bits. OK, I pretty much agree, that's why I labelled the informational piece as "possibly". About the only use I can see for it is predictive failure, which was all the rage a while ago, but seems to have quieted down somewhat. I agree certainly that predictive failure is far more useful to RAID than multi-path. James