From owner-freebsd-fs@FreeBSD.ORG  Wed Apr 18 14:18:15 2007
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
X-Original-To: fs@freebsd.org
Delivered-To: freebsd-fs@FreeBSD.ORG
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id DDAD516A403
	for <fs@freebsd.org>; Wed, 18 Apr 2007 14:18:15 +0000 (UTC)
	(envelope-from des@des.no)
Received: from tim.des.no (tim.des.no [194.63.250.121])
	by mx1.freebsd.org (Postfix) with ESMTP id 9EA7A13C484
	for <fs@freebsd.org>; Wed, 18 Apr 2007 14:18:15 +0000 (UTC)
	(envelope-from des@des.no)
Received: from tim.des.no (localhost [127.0.0.1])
	by spam.des.no (Postfix) with ESMTP id E3C7A207E;
	Wed, 18 Apr 2007 16:18:11 +0200 (CEST)
X-Spam-Tests: AWL
X-Spam-Learn: disabled
X-Spam-Score: 0.0/3.0
X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on tim.des.no
Received: from dwp.des.no (des.no [80.203.243.180])
	by smtp.des.no (Postfix) with ESMTP id D130F2049;
	Wed, 18 Apr 2007 16:18:11 +0200 (CEST)
Received: by dwp.des.no (Postfix, from userid 1001)
	id B589B5462; Wed, 18 Apr 2007 16:18:11 +0200 (CEST)
From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=)
To: =?iso-8859-1?Q?St=E5le?= Kristoffersen <staalebk@ifi.uio.no>
References: <20070418104155.GA31727@eschew.pusen.org>
Date: Wed, 18 Apr 2007 16:18:11 +0200
In-Reply-To: <20070418104155.GA31727@eschew.pusen.org> (=?iso-8859-1?Q?St?=
	=?iso-8859-1?Q?=E5le?= Kristoffersen's
	message of "Wed, 18 Apr 2007 12:41:55 +0200")
Message-ID: <86hcrdlqak.fsf@dwp.des.no>
User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.3 (berkeley-unix)
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable
Cc: fs@freebsd.org
Subject: Re: ZFS + replacing failing hard-drive.
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 18 Apr 2007 14:18:15 -0000

St=E5le Kristoffersen <staalebk@ifi.uio.no> writes:
> I have been testing ZFS on my fileserver. The data I had in the zpool is
> not that important so I do not have redundancy. Unfortunately I got a bad
> hard-drive:
> Apr 13 22:02:44 fs root: ZFS: vdev I/O failure, zpool=3Dstash path=3D/dev=
/ad14s1d offset=3D336216064000 size=3D131072 error=3D5
> Apr 13 22:02:56 fs kernel: ad14: TIMEOUT - WRITE_DMA retrying (1 retry le=
ft) LBA=3D3013311

I don't think you do.  This appears to be a bug in the ata driver
which ZFS is particularly good at triggering.

BTW, the message you show is harmless: see where it says "retrying"?
No need to worry until it says "FAILURE - WRITE_DMA timed out".

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no