From owner-freebsd-hackers@FreeBSD.ORG Fri May 30 21:21:39 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C4B241065676 for ; Fri, 30 May 2008 21:21:39 +0000 (UTC) (envelope-from stef@memberwebs.com) Received: from mx.npubs.com (mail.npubs.com [209.66.100.224]) by mx1.freebsd.org (Postfix) with ESMTP id CC7598FC22 for ; Fri, 30 May 2008 21:21:39 +0000 (UTC) (envelope-from stef@memberwebs.com) Received: from mx.npubs.com (avhost [209.66.100.194]) by mx.npubs.com (Postfix) with ESMTP id 0297FF180A0 for ; Fri, 30 May 2008 21:03:48 +0000 (UTC) Received: from northstar-srv2 (unknown [172.27.2.11]) by mx.npubs.com (Postfix) with ESMTP id 5E1A6F1808E for ; Fri, 30 May 2008 21:03:47 +0000 (UTC) From: Stef Walter User-Agent: Thunderbird 2.0.0.14 (X11/20080505) MIME-Version: 1.0 To: freebsd-hackers@freebsd.org X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Message-Id: <20080530210347.5E1A6F1808E@mx.npubs.com> X-Virus-Scanned: ClamAV using ClamSMTP Date: Fri, 30 May 2008 21:03:48 +0000 (UTC) X-Mailman-Approved-At: Fri, 30 May 2008 21:37:47 +0000 Subject: RAID status issues with Intel MatrixRAID ataraid X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 May 2008 21:21:39 -0000 This isn't a bug report, just a heads up to anyone using the same setup. This occurred in production, and I don't currently have a non-production hardware on which to investigate this bug and/or create a patch. In certain conditions, even though the Firmware RAID BIOS, says that a RAID is degraded, the FreeBSD driver thinks it's business as usual. In my case this resulted in file system corruption. Relevant output below. FreeBSD version: 6.3-RELEASE-p2 Cheers, Stef Walter BIOS OUTPUT: Copyright(C) 2003-06 Intel Corporation. All Rights Reserved. RAID Volumes: ID Name Level Strip Size Status Bootable 0 RAID Set 1 RAID1(Mirror) N/A 465.8GB Degraded Yes 1 RAID1(Mirror) N/A 465.8GB Normal Yes Physical Disks: Port Drive Model Serial # Size Type/Status(Vol ID) 0 WDC WD5000ABYS-0 WD-WCAPW5637184 465.8GB Member Disk(0) 1 ST3500320NS 5QM09E6F 465.8GB Error Occurred(0) 2 WDC WD5000ABYS-0 WD-WCAPW5548822 465.8GB Member Disk(1) 3 ST3500320NS 5QM0991D 465.8GB Member Disk(1) Press to enter Configuration Utility........... RELEVANT SNIPPET FROM DMESG: ar0: 476937MB status: READY ar0: disk0 READY (master) using ad4 at ata2-master ar0: disk1 READY (mirror) using ad6 at ata3-master