Date: Fri, 30 May 2008 21:43:11 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Stef Walter <stef@memberwebs.com> Subject: Re: RAID status issues with Intel MatrixRAID ataraid Message-ID: <200805302143.11920.jhb@freebsd.org> In-Reply-To: <20080530210347.5E1A6F1808E@mx.npubs.com> References: <20080530210347.5E1A6F1808E@mx.npubs.com>
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On Friday 30 May 2008 05:03:48 pm Stef Walter wrote: > 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 <CTRL-I> to enter Configuration Utility........... > > > > RELEVANT SNIPPET FROM DMESG: > > ar0: 476937MB <Intel MatrixRAID RAID1> status: READY > ar0: disk0 READY (master) using ad4 at ata2-master > ar0: disk1 READY (mirror) using ad6 at ata3-master Err, you have two RAID volumes, one degraded, and one ok. ar0 is apparently the one that is ok (drives 2 and 3). What is more odd is that it isn't seeing a RAID config at all for ad0 and ad2 (drives 0 and 1). -- John Baldwin
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