From owner-freebsd-stable@FreeBSD.ORG  Tue Jul 19 18:22:44 2005
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
X-Original-To: freebsd-stable@freebsd.org
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 257D916A41F
	for <freebsd-stable@freebsd.org>; Tue, 19 Jul 2005 18:22:44 +0000 (GMT)
	(envelope-from jsimola@gmail.com)
Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.202])
	by mx1.FreeBSD.org (Postfix) with ESMTP id ABD6643D45
	for <freebsd-stable@freebsd.org>; Tue, 19 Jul 2005 18:22:43 +0000 (GMT)
	(envelope-from jsimola@gmail.com)
Received: by wproxy.gmail.com with SMTP id i14so1280023wra
	for <freebsd-stable@freebsd.org>; Tue, 19 Jul 2005 11:22:42 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=SdoWJiq5LG8jqGsULyUBePXxfRwcWU1vOgEU2fn9mUaXnGatNsmRvY1Q8/n61uiYhGGbub37M60s7Vx0ecjaY8sgohSqSXl4jQKNdg76aBMl/jwlIAONNA2P0Nmz3vRTwe6Y07HOBJ8K9RcsHbQzCNFoKtOXQTiNIkBZMlrdSZg=
Received: by 10.54.2.57 with SMTP id 57mr841861wrb;
	Tue, 19 Jul 2005 11:22:01 -0700 (PDT)
Received: by 10.54.39.65 with HTTP; Tue, 19 Jul 2005 11:22:01 -0700 (PDT)
Message-ID: <8eea04080507191122225bd9ac@mail.gmail.com>
Date: Tue, 19 Jul 2005 11:22:01 -0700
From: Jon Simola <jsimola@gmail.com>
To: Tony Byrne <freebsd@byrnehq.com>
In-Reply-To: <1591154927.20050719132119@byrnehq.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
References: <151574576.20050719103740@byrnehq.com>
	<1591154927.20050719132119@byrnehq.com>
Cc: freebsd-stable@freebsd.org
Subject: Re: ATA Woes.
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: jon@abccomm.com
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 19 Jul 2005 18:22:44 -0000

On 7/19/05, Tony Byrne <freebsd@byrnehq.com> wrote:

> Jul 19 13:01:48 roo kernel: ad0: FAILURE - READ_DMA status=3D51<READY,DSC=
,ERROR> error=3D40<UNCORRECTABLE> LBA=3D288810495
> Jul 19 13:01:59 roo kernel: ad0: FAILURE - READ_DMA status=3D51<READY,DSC=
,ERROR> error=3D1<ILLEGAL_LENGTH> LBA=3D288810495
> Jul 19 13:02:05 roo kernel: ad0: FAILURE - READ_DMA status=3D51<READY,DSC=
,ERROR> error=3D40<UNCORRECTABLE> LBA=3D288810495
> Jul 19 13:02:16 roo kernel: ad0: FAILURE - READ_DMA status=3D51<READY,DSC=
,ERROR> error=3D40<UNCORRECTABLE> LBA=3D288810495
> Jul 19 13:04:36 roo last message repeated 4 times

> I'm totally confused. I don't know enough about SMART to know whether
> I'm looking at real failing drives or some bug exposed by the
> interaction between drive firmware, hd controller and FreeBSD.

What I've recently learned the hard way is that desktop drives have no
place in a server. I've now failed 4 of 10 SATA drives (Maxtor and WD)
in 1U rackmounts, and am moving on to trying the WD Raptor SATA drives
(which claim to be low-end server).

--=20
Jon Simola
Systems Administrator
ABC Communications