Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752172AbYKFRLg (ORCPT ); Thu, 6 Nov 2008 12:11:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750858AbYKFRL2 (ORCPT ); Thu, 6 Nov 2008 12:11:28 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:37006 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750806AbYKFRL1 (ORCPT ); Thu, 6 Nov 2008 12:11:27 -0500 Subject: Re: [patch 0/4] [RFC] Another proportional weight IO controller From: Peter Zijlstra To: Rik van Riel Cc: Vivek Goyal , linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, virtualization@lists.linux-foundation.org, jens.axboe@oracle.com, Hirokazu Takahashi , Ryo Tsuruta , Andrea Righi , Satoshi UCHIDA , fernando@oss.ntt.co.jp, balbir@linux.vnet.ibm.com, Andrew Morton , menage@google.com, ngupta@google.com, Jeff Moyer In-Reply-To: <491321ED.5010103@redhat.com> References: <20081106153022.215696930@redhat.com> <1225986593.7803.4688.camel@twins> <20081106160154.GA7461@redhat.com> <1225988173.7803.4723.camel@twins> <20081106163957.GB7461@redhat.com> <1225990327.7803.4776.camel@twins> <491321ED.5010103@redhat.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 06 Nov 2008 18:11:27 +0100 Message-Id: <1225991487.7803.4801.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 739 Lines: 19 On Thu, 2008-11-06 at 11:57 -0500, Rik van Riel wrote: > Peter Zijlstra wrote: > > > The only real issue I can see is with linear volumes, but those are > > stupid anyway - non of the gains but all the risks. > > Linear volumes may well be the most common ones. > > People start out with the filesystems at a certain size, > increasing onto a second (new) disk later, when more space > is required. Are they aware of how risky linear volumes are? I would discourage anyone from using them. -- 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/