From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750907AbZGSEBt (ORCPT ); Sun, 19 Jul 2009 00:01:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750736AbZGSEBq (ORCPT ); Sun, 19 Jul 2009 00:01:46 -0400 Received: from koti.tapanitarvainen.fi ([217.112.255.16]:58056 "EHLO musti.tarvainen.info" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750715AbZGSEBp (ORCPT ); Sun, 19 Jul 2009 00:01:45 -0400 X-Greylist: delayed 986 seconds by postgrey-1.27 at vger.kernel.org; Sun, 19 Jul 2009 00:01:44 EDT Date: Sun, 19 Jul 2009 06:44:36 +0300 From: Tapani Tarvainen To: device-mapper development , linux-fsdevel@vger.kernel.org, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: How to handle >16TB devices on 32 bit hosts ?? Message-ID: <20090719034436.GA27328@musti.tarvainen.info> References: <19041.4714.686158.130252@notabene.brown> <20090718043155.GI4231@webber.adilger.int> <871voewm6y.fsf@basil.nowhere.org> <20090718065213.GK4231@webber.adilger.int> <20090718074811.GA2682@basil.fritz.box> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090718074811.GA2682@basil.fritz.box> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 18, 2009 at 09:48:11AM +0200, Andi Kleen (andi@firstfloor.org) wrote: > On Sat, Jul 18, 2009 at 02:52:13AM -0400, Andreas Dilger wrote: > > If you aren't running a 32-bit system with this config, you shouldn't > > really care. For those systems that need to run in this mode they > > would rather have it work a few percent slower instead of not at all. > > Well, it doesn't work at all anyways due to the fsck problem. I can imagine several scenarios where 16TB+ raid would be useful without any filesystems bigger than 2TB. Or does LVM have problems with 16TB+ devices in 32bit-systems, too? -- Tapani Tarvainen