Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261364AbUKWViU (ORCPT ); Tue, 23 Nov 2004 16:38:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261354AbUKWRoF (ORCPT ); Tue, 23 Nov 2004 12:44:05 -0500 Received: from unthought.net ([212.97.129.88]:27343 "EHLO unthought.net") by vger.kernel.org with ESMTP id S261380AbUKWRCY (ORCPT ); Tue, 23 Nov 2004 12:02:24 -0500 Date: Tue, 23 Nov 2004 18:02:23 +0100 From: Jakob Oestergaard To: Phil Dier Cc: linux-kernel@vger.kernel.org, Scott Holdren , ziggy , Jack Massari Subject: Re: oops with dual xeon 2.8ghz 4gb ram +smp, software raid, lvm, and xfs Message-ID: <20041123170222.GS4469@unthought.net> Mail-Followup-To: Jakob Oestergaard , Phil Dier , linux-kernel@vger.kernel.org, Scott Holdren , ziggy , Jack Massari References: <20041122130622.27edf3e6.phil@dier.us> <20041122161725.21adb932.akpm@osdl.org> <20041123093744.25c09245.phil@dier.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041123093744.25c09245.phil@dier.us> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1853 Lines: 43 On Tue, Nov 23, 2004 at 09:37:44AM -0600, Phil Dier wrote: ... > I'm building this system with stability and flexibility foremost in > mind. Am I foolish in using all of these technologies with a new-ish > version of 2.6? Is there a particular version that would be better > suited for my application? Any other suggestions you (or anyone else > on the list) could give regarding stability would be greatly appreciated. If you'll be exporting via. NFS, it seems that there are still problems with XFS+NFS. With SMP, what I see is that sometimes a directory might decide that it's a file - but I can't delete it, becuase it isn't 'empty' (it's still somehow a directory). Waiting a day or two, the system will change its mind back to letting the directory be a directory. Sometimes modes will be fscked up as well - a regular file can change owner, or it can change modes from '-rw-rw---' to '?---------'. Weird stuff, no way to reproduce it reliably. With UP, I know someone who's seeing stale handles reported by the NFS server. The only known workaround is to stat the directories in question on the *server* side - a little bash with 'while true; sleep 5; ls -l /directory; do' will do the trick. All of what I describe here are production environments - so it sucks to have that kind of problems. Some of it can be reproduced (the stale handle errors), and some of it can't. I guess the good news would be, that I don't know of any problems with XFS+LVM+MD if you do not export the FS via. NFS :) That is, if you run 2.6.9. Any earlier kernel will b0rk your XFS under load. -- / jakob - 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/