From owner-freebsd-stable@FreeBSD.ORG Wed Oct 8 18:20:26 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E88FF1065689 for ; Wed, 8 Oct 2008 18:20:26 +0000 (UTC) (envelope-from oberman@es.net) Received: from postal1.es.net (postal4.es.net [198.124.252.66]) by mx1.freebsd.org (Postfix) with ESMTP id 93F2D8FC1D for ; Wed, 8 Oct 2008 18:20:26 +0000 (UTC) (envelope-from oberman@es.net) Received: from postal1.es.net (postal3.es.net [198.128.3.207]) by postal4.es.net (Postal Node 4) with ESMTP (SSL) id OCC73925; Wed, 08 Oct 2008 11:20:25 -0700 Received: from ptavv.es.net (ptavv.es.net [198.128.4.29]) by postal3.es.net (Postal Node 3) with ESMTP (SSL) id OCC76124; Wed, 08 Oct 2008 11:20:24 -0700 Received: from ptavv.es.net (localhost [127.0.0.1]) by ptavv.es.net (Tachyon Server) with ESMTP id 890C54501D; Wed, 8 Oct 2008 11:20:24 -0700 (PDT) To: Clint Olsen In-Reply-To: Your message of "Wed, 08 Oct 2008 11:13:32 PDT." <20081008181332.GE32260@0lsen.net> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1223490024_62215P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Wed, 08 Oct 2008 11:20:24 -0700 From: "Kevin Oberman" Message-Id: <20081008182024.890C54501D@ptavv.es.net> X-Sender-IP: 198.128.3.207 X-Sender-Domain: es.net X-Recipent: ;; X-Sender: X-To_Name: Clint Olsen X-To_Domain: gmail.com X-To: Clint Olsen X-To_Email: clint.olsen@gmail.com X-To_Alias: clint.olsen Cc: freebsd-stable@freebsd.org Subject: Re: Problem with dump stalling X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Oct 2008 18:20:27 -0000 --==_Exmh_1223490024_62215P Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > Date: Wed, 8 Oct 2008 11:13:32 -0700 > From: Clint Olsen > Sender: owner-freebsd-stable@freebsd.org > > On Oct 08, Kevin Oberman wrote: > > I had a system that was showing these exact symptoms David described. It > > did this both with -L and without. I went for about 3 months without a > > successful dump. I did at least two full system re-installs to no avail. > > Then, about 3 weeks ago, when I was about to start some serious > > debugging, it started working again. Nothing was touched between the last > > failure and the first success. I'm completely baffled! > > I had a lengthy discussion with Jeremy about this where he lowered the boom > on my expectations with UFS2 and dump. I find the lack of a real > incremental backup solution with the default filesystem in FreeBSD to be an > alarming problem. But it is a fairly unusual issue. We have a LOT of systems doing nightly dumps and only this one had the problem. It lasted for just over two months and simply vanished. I just wish I had some sort of explanation, especially when snapshots (-L) are not used. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751 --==_Exmh_1223490024_62215P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) Comment: Exmh version 2.5 06/03/2002 iD8DBQFI7Pnokn3rs5h7N1ERAla7AJ9hiSJzf9qZ43n87PmQ+yigBnMOGwCeNQ3k M1zklHxkRS6fsGKyjObW+xI= =f7em -----END PGP SIGNATURE----- --==_Exmh_1223490024_62215P--