From owner-freebsd-geom@FreeBSD.ORG  Wed Nov 24 13:28:59 2004
Return-Path: <owner-freebsd-geom@FreeBSD.ORG>
Delivered-To: freebsd-geom@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id D9EB516A4CE
	for <freebsd-geom@FreeBSD.org>; Wed, 24 Nov 2004 13:28:59 +0000 (GMT)
Received: from imap.univie.ac.at (mail.univie.ac.at [131.130.1.27])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 3ED7D43D41
	for <freebsd-geom@FreeBSD.org>; Wed, 24 Nov 2004 13:28:59 +0000 (GMT)
	(envelope-from le@FreeBSD.org)
Received: from pcle2.cc.univie.ac.at (pcle2.cc.univie.ac.at [131.130.2.177])
	by imap.univie.ac.at (8.12.10/8.12.10) with ESMTP id iAODSnAB089234;
	Wed, 24 Nov 2004 14:28:51 +0100
Date: Wed, 24 Nov 2004 14:28:49 +0100 (CET)
From: Lukas Ertl <le@FreeBSD.org>
To: Jan-Oliver Neumann <neumannj@arcor.de>
In-Reply-To: <41A48993.6050203@arcor.de>
Message-ID: <20041124142643.I96527@pcle2.cc.univie.ac.at>
References: <41A48993.6050203@arcor.de>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-DCC-ZID-Univie-Metrics: mx7.univie.ac.at 4248; Body=2 Fuz1=2 Fuz2=2
cc: freebsd-geom@FreeBSD.org
Subject: Re: gvinum: raid5 rebuild hangs on md disk
X-BeenThere: freebsd-geom@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: GEOM-specific discussions and implementations
	<freebsd-geom.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-geom>,
	<mailto:freebsd-geom-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-geom>
List-Post: <mailto:freebsd-geom@freebsd.org>
List-Help: <mailto:freebsd-geom-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-geom>,
	<mailto:freebsd-geom-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 24 Nov 2004 13:29:00 -0000

On Wed, 24 Nov 2004, Jan-Oliver Neumann wrote:

> The raid5 plex is running fine with this setup and after killing one of 
> the mds using "mdconfig -d -u 0", the raid5 plex is running correctly in 
> degraded mode. When I reattach the md, the "lost" subdisk shows up again 
> as "stale", but when restarting the plex, the rebuild process stalls at 
> 0%, the plex continues to operate in "degraded" mode. Rest of the system 
> is not affected, I am running 5-STABLE as of Nov 24th.

Hmmm, it seems the threads blocks somewhere.  I need to investigate this 
further.  I guess it should be able to rebuild fine after a reboot, but 
this is an md device it's not really useful. :-)

Thanks for the report.

cheers,
le

-- 
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
le@FreeBSD.org                     http://people.freebsd.org/~le/