Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756374AbYCMTe3 (ORCPT ); Thu, 13 Mar 2008 15:34:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752514AbYCMTeW (ORCPT ); Thu, 13 Mar 2008 15:34:22 -0400 Received: from phunq.net ([64.81.85.152]:52005 "EHLO moonbase.phunq.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752203AbYCMTeV (ORCPT ); Thu, 13 Mar 2008 15:34:21 -0400 From: Daniel Phillips To: tvrtko.ursulin@sophos.com Subject: Re: [ANNOUNCE] Ramback: faster than a speeding bullet Date: Thu, 13 Mar 2008 11:34:18 -0800 User-Agent: KMail/1.9.5 Cc: linux-kernel@vger.kernel.org References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803131234.19303.phillips@phunq.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 677 Lines: 15 On Thursday 13 March 2008 10:16, tvrtko.ursulin@sophos.com wrote: > can it support the "fast" block device from the pair to be smaller in > capacity but overall virtual device to still be as big as the backing > store? It can't. Since that problem is a strict superset of the one-to-one problem that ramback solves, I thought it would make sense to work out the bugs in ramback first before tackling the harder problem. Daniel -- 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/