From owner-freebsd-hackers@FreeBSD.ORG  Fri Jan 11 19:29:29 2013
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id BEC6E827
 for <hackers@freebsd.org>; Fri, 11 Jan 2013 19:29:29 +0000 (UTC)
 (envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl
 [188.252.31.196]) by mx1.freebsd.org (Postfix) with ESMTP id 29532CC0
 for <hackers@freebsd.org>; Fri, 11 Jan 2013 19:29:28 +0000 (UTC)
Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1])
 by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id r0BJTPd0001329
 for <hackers@freebsd.org>; Fri, 11 Jan 2013 20:29:25 +0100 (CET)
 (envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from localhost (wojtek@localhost)
 by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id r0BAgYPZ009951;
 Fri, 11 Jan 2013 11:42:49 +0100 (CET)
 (envelope-from wojtek@wojtek.tensor.gdynia.pl)
Date: Fri, 11 Jan 2013 11:42:34 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Warren Block <wblock@wonkity.com>
Subject: Re: SATA disk disappears
In-Reply-To: <alpine.BSF.2.00.1301102051520.23420@wonkity.com>
Message-ID: <alpine.BSF.2.00.1301111142250.9937@wojtek.tensor.gdynia.pl>
References: <alpine.BSF.2.00.1301110121060.6708@wojtek.tensor.gdynia.pl>
 <alpine.BSF.2.00.1301102051520.23420@wonkity.com>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7
 (wojtek.tensor.gdynia.pl [127.0.0.1]); Fri, 11 Jan 2013 20:29:25 +0100 (CET)
Cc: hackers@freebsd.org
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 11 Jan 2013 19:29:29 -0000

>> GEOM_MIRROR: Component ada2 (device home1) broken, skipping.
>> GEOM_MIRROR: Cannot add disk ada2 to home1 (error=22).
>> 
>> 
>> started gmirror rebuild and it now works at full speed.
>> 
>> GEOM_MIRROR: Device home1: rebuilding provider ada2.
>> 
>> 
>> What kind of hardware failure may it be? smartctl -a /dev/ada2 shows disk 
>> is fine.
>
> I had a new WD drive recently that had a write error.  Reallocated sector 
> count did not go up, but it quickly failed the SMART self-test, short or 
> long.  See smartctl(8) about the -t parameters.
>
this is WD "green" 3TB