From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: qla2xxx BUG: workqueue leaked lock or atomic Date: Tue, 13 Mar 2007 03:01:34 -0400 Message-ID: <20070313070134.GK5266@schatzie.adilger.int> References: <20070226182617.GC9968@andrew-vasquezs-computer.local> <20070227101100.GA22572@skl-net.de> <20070227185134.GJ20397@andrew-vasquezs-computer.local> <20070228151829.GI22572@skl-net.de> <20070228153722.GJ22572@skl-net.de> <20070306203952.471218df.akpm@linux-foundation.org> <20070307170955.GA4252@skl-net.de> <20070307114525.08265c33.akpm@linux-foundation.org> <1173297911.3769.3.camel@dyn9047017103.beaverton.ibm.com> <45F57034.2020402@bull.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: cmm@us.ibm.com, Andrew Morton , Andre Noll , Theodore Tso , "linux-ext4@vger.kernel.org" To: Valerie Clement Return-path: Received: from mail.clusterfs.com ([206.168.112.78]:57017 "EHLO mail.clusterfs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753160AbXCMHBg (ORCPT ); Tue, 13 Mar 2007 03:01:36 -0400 Content-Disposition: inline In-Reply-To: <45F57034.2020402@bull.net> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Mar 12, 2007 16:22 +0100, Valerie Clement wrote: > Mingming Cao wrote: > >IBM has done some testing (dbench, fsstress, fsx, tiobench, iozone etc) > >on 10TB ext3, I think RedHat and BULL have done similar test on >8TB > >ext3 too. > > Is there not a problem of backward-compatibility with old kernels? > Doesn't we need to handle a new INCOMPAT flag in e2fsprogs and kernel > before allowing ext3 filesystems greater than 8T? No, it really depends on the kernel. There were some bugs that caused problems with > 8TB because of signed 32-bit int problems, so it isn't really recommended to use > 8TB unless you know this is fixed in your kernel (and any older kernel you might have to downgrade to). Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.