Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932135AbWCaNda (ORCPT ); Fri, 31 Mar 2006 08:33:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932136AbWCaNda (ORCPT ); Fri, 31 Mar 2006 08:33:30 -0500 Received: from ns2.suse.de ([195.135.220.15]:18572 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S932135AbWCaNd3 (ORCPT ); Fri, 31 Mar 2006 08:33:29 -0500 To: cmm@us.ibm.com Cc: Andrew Morton , Takashi Sato , Laurent Vivier , linux-kernel@vger.kernel.org, ext2-devel , linux-fsdevel@vger.kernel.org Subject: Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB References: <20060325223358sho@rifu.tnes.nec.co.jp> <1143485147.3970.23.camel@dyn9047017067.beaverton.ibm.com> <20060327131049.2c6a5413.akpm@osdl.org> <20060327225847.GC3756@localhost.localdomain> <1143530126.11560.6.camel@openx2.frec.bull.fr> <1143568905.3935.13.camel@dyn9047017067.beaverton.ibm.com> <1143623605.5046.11.camel@openx2.frec.bull.fr> <1143682730.4045.145.camel@dyn9047017067.beaverton.ibm.com> <20060330174008.GW5030@schatzie.adilger.int> <1143746202.3896.32.camel@dyn9047017067.beaverton.ibm.com> From: Andi Kleen Date: 31 Mar 2006 15:33:24 +0200 In-Reply-To: <1143746202.3896.32.camel@dyn9047017067.beaverton.ibm.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 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: 1010 Lines: 19 Mingming Cao writes: > On Thu, 2006-03-30 at 10:40 -0700, Andreas Dilger wrote: > > On Mar 29, 2006 17:38 -0800, Mingming Cao wrote: > > > Have verified these two patches on a 64 bit machine with 10TB ext3 > > > filesystem, fsx runs fine for a few hours. Also testes on 32 bit machine > > > with <8TB ext3. > > > > Have you done tests _near_ 8TB with a 32-bit machine, even without these > > patches? > No I haven't. The >8TB right now is attached to a 64 bit machine, but we > should able to move it to a 32 bit machine. If you use XFS or JFS as backing fs you can use a holey loop device to simulate it. When I tried this last time JFS worked better for me. XFS doesn't seem to like that many extents as will be created by mkfs.ext2. -Andi - 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/