From owner-freebsd-hardware@FreeBSD.ORG  Tue Nov 28 15:15:08 2006
Return-Path: <owner-freebsd-hardware@FreeBSD.ORG>
X-Original-To: hardware@freebsd.org
Delivered-To: freebsd-hardware@FreeBSD.ORG
Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 404D216A416;
	Tue, 28 Nov 2006 15:15:08 +0000 (UTC)
	(envelope-from gayn.winters@bristolsystems.com)
Received: from fed1rmmtao11.cox.net (fed1rmmtao11.cox.net [68.230.241.28])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 7EDA143CA1;
	Tue, 28 Nov 2006 15:15:03 +0000 (GMT)
	(envelope-from gayn.winters@bristolsystems.com)
Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao11.cox.net
	(InterMail vM.6.01.06.03 201-2131-130-104-20060516) with ESMTP
	id <20061128151505.VMRM296.fed1rmmtao11.cox.net@fed1rmimpo01.cox.net>; 
	Tue, 28 Nov 2006 10:15:05 -0500
Received: from workdog ([68.5.182.86]) by fed1rmimpo01.cox.net with bizsmtp
	id sFEN1V00q1sF2dw0000000; Tue, 28 Nov 2006 10:14:33 -0500
From: "Gayn Winters" <gayn.winters@bristolsystems.com>
To: "'Palle Girgensohn'" <girgen@FreeBSD.org>,
	<hardware@freebsd.org>
Date: Tue, 28 Nov 2006 07:16:47 -0800
Organization: Bristol Systems Inc.
Message-ID: <04c001c71300$3bdebf90$6501a8c0@workdog>
MIME-Version: 1.0
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook, Build 10.0.4024
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962
Importance: Normal
In-Reply-To: <06AF1451EFC4E6F019A6C8C8@rambutan.pingpong.net>
Cc: 
Subject: RE: no file system after replacing bad RAID drive
X-BeenThere: freebsd-hardware@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: gayn.winters@bristolsystems.com
List-Id: General discussion of FreeBSD hardware <freebsd-hardware.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hardware>, 
	<mailto:freebsd-hardware-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hardware>
List-Post: <mailto:freebsd-hardware@freebsd.org>
List-Help: <mailto:freebsd-hardware-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hardware>, 
	<mailto:freebsd-hardware-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 28 Nov 2006 15:15:08 -0000

> -----Original Message-----
> From: owner-freebsd-hardware@freebsd.org 
> [mailto:owner-freebsd-hardware@freebsd.org] On Behalf Of 
> Palle Girgensohn
> Sent: Tuesday, November 28, 2006 2:12 AM
> To: hardware@freebsd.org
> Subject: no file system after replacing bad RAID drive
> 
> 
> Hi!
> 
> We just got Dell to replace a bad drive in a RAID5 cluster. 
> After reboot, 
> megarc says their all online, but FreeBSD cannot find a file 
> system on the 
> logical drive. It worked before replacing (in degraded mode).
> 
> It is a Dell 2850 with a Perc4/I (really a LSILogic MegaRAID) 
> controller 
> running FreeBSD 6.0
> 
> Any ideas how to get the file system back? bsdlabel finds no 
> label, and 
> since the OS does not find the label during startup, there 
> are no devices. 
> I tried some megarc and camcontrol commands, but nothing 
> seems to help.
> 
> Any ideas appreciated. Thanks,
> Palle

I have not been able to get my PERC4 to rebuild while online.  Have you
tried stopping the boot (control M as I recall) to get into the PERC4
firmware and rebuilding the RAID from there?  My rebuild (3x150GB RAID5)
takes about 14 hours - totally offline.

-gayn

Bristol Systems Inc.
714/532-6776
www.bristolsystems.com