Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262031AbUDXHiq (ORCPT ); Sat, 24 Apr 2004 03:38:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262041AbUDXHiq (ORCPT ); Sat, 24 Apr 2004 03:38:46 -0400 Received: from willy.net1.nerim.net ([62.212.114.60]:51718 "EHLO willy.net1.nerim.net") by vger.kernel.org with ESMTP id S262031AbUDXHio (ORCPT ); Sat, 24 Apr 2004 03:38:44 -0400 Date: Sat, 24 Apr 2004 09:36:22 +0200 From: Willy Tarreau To: Tom Vier Cc: linux-kernel@vger.kernel.org Subject: Re: File system compression, not at the block layer Message-ID: <20040424073622.GN596@alpha.home.local> References: <40898834.7040803@techsource.com> <20040424022458.GA16166@zero> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040424022458.GA16166@zero> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 883 Lines: 20 On Fri, Apr 23, 2004 at 10:24:58PM -0400, Tom Vier wrote: > On Fri, Apr 23, 2004 at 05:18:44PM -0400, Timothy Miller wrote: > > In a drive with multiple platters and therefore multiple heads, you > > could read/write from all heads simultaneously. Or is that how they > > already do it? > > fwih, there was once a drive that did this. the problem is track alignment. > these days, you'd need seperate motors for each head. I think they now all do it. Haven't you noticed that drives with many platters are always faster than their cousins with fewer platters ? And I don't speak about access time, but about sequential reads. Willy - 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/