Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754722AbYCPXn6 (ORCPT ); Sun, 16 Mar 2008 19:43:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752778AbYCPXnv (ORCPT ); Sun, 16 Mar 2008 19:43:51 -0400 Received: from phunq.net ([64.81.85.152]:55769 "EHLO moonbase.phunq.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752609AbYCPXnu (ORCPT ); Sun, 16 Mar 2008 19:43:50 -0400 From: Daniel Phillips To: Krzysztof Halasa Subject: Re: [ANNOUNCE] Ramback: faster than a speeding bullet Date: Sun, 16 Mar 2008 15:43:36 -0800 User-Agent: KMail/1.9.5 Cc: David Newall , Willy Tarreau , Alan Cox , linux-kernel@vger.kernel.org References: <200803092346.17556.phillips@phunq.net> <200803161538.06282.phillips@phunq.net> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803161643.37310.phillips@phunq.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1157 Lines: 27 On Sunday 16 March 2008 16:08, Krzysztof Halasa wrote: > Daniel Phillips writes: > >> It could, in a bit different location maybe, but it isn't a substitute > >> for ordered writes. > > > > How so? > > Not sure if I understand the question correctly but obviously a pair > (mirror) of servers running "dangerous" ramback would survive a crash > of one machine and we could practically eliminate the probability of > both (all) machines crashing simultaneously. However, there are > cheaper ways to achieve similar performance and even better > reliability - including those battery-backed (RAI)Disk controllers. OK, so we are only searching for the cheapest way to achieve these kinds of speeds, for some given uptime and risk level requirements. That is a really interesting subject, but can we please leave it for a while so I can get some work done on the code itself? Thanks, 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/