Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757333AbXFOQYE (ORCPT ); Fri, 15 Jun 2007 12:24:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755212AbXFOQXx (ORCPT ); Fri, 15 Jun 2007 12:23:53 -0400 Received: from sovereign.computergmbh.de ([85.214.69.204]:8521 "EHLO sovereign.computergmbh.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753992AbXFOQXw (ORCPT ); Fri, 15 Jun 2007 12:23:52 -0400 Date: Fri, 15 Jun 2007 18:23:50 +0200 (CEST) From: Jan Engelhardt To: Avi Kivity cc: Neil Brown , david@lang.hm, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: limits on raid In-Reply-To: <467273AB.9010202@argo.co.il> Message-ID: References: <18034.479.256870.600360@notabene.brown> <18034.3676.477575.490448@notabene.brown> <467273AB.9010202@argo.co.il> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 653 Lines: 20 On Jun 15 2007 14:10, Avi Kivity wrote: > >Some things are not achievable with block-level raid. For example, with >redundancy integrated into the filesystem, you can have three copies for >metadata, two copies for small files, and parity blocks for large files, >effectively using different raid levels for different types of data on >the same filesystem. Sounds like you want RAIF, not RAID. Jan -- - 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/