Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753482AbXJaCM3 (ORCPT ); Tue, 30 Oct 2007 22:12:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751607AbXJaCMW (ORCPT ); Tue, 30 Oct 2007 22:12:22 -0400 Received: from mx1.redhat.com ([66.187.233.31]:60434 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751156AbXJaCMV (ORCPT ); Tue, 30 Oct 2007 22:12:21 -0400 Date: Wed, 31 Oct 2007 02:11:23 +0000 From: Alasdair G Kergon To: Vasily Averin Cc: Andrew Morton , dm-devel@redhat.com, linux-kernel@vger.kernel.org, devel@openvz.org, stable@kernel.org, Jens Axboe , Milan Broz , Neil Brown Subject: Re: [dm-devel] Re: dm: bounce_pfn limit added Message-ID: <20071031021123.GM10006@agk.fab.redhat.com> Mail-Followup-To: Vasily Averin , Andrew Morton , dm-devel@redhat.com, linux-kernel@vger.kernel.org, devel@openvz.org, stable@kernel.org, Jens Axboe , Milan Broz , Neil Brown References: <47257E4B.4080904@sw.ru> <20071030131138.3ba59731.akpm@linux-foundation.org> <20071030232617.GJ10006@agk.fab.redhat.com> <20071031020133.GL10006@agk.fab.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071031020133.GL10006@agk.fab.redhat.com> User-Agent: Mutt/1.4.1i Organization: Red Hat UK Ltd. Registered in England and Wales, number 03798903. Registered Office: Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 570 Lines: 15 On Wed, Oct 31, 2007 at 02:01:33AM +0000, Alasdair G Kergon wrote: > What if you swap in alternative dm targets, e.g. if it's linear, > try multipath (round-robin, one path)? And try using md instead of dm - does that also show the problem? (md takes a similar stance to dm on this I believe.) Alasdair -- agk@redhat.com - 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/