Date: Thu, 13 Jul 2006 13:26:04 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: =?ISO-8859-1?Q?Johan_Str=F6m?= <johan@stromnet.org> Cc: freebsd-stable@freebsd.org Subject: ATA problems again ... (was: Re: GEOM problems again...) Message-ID: <20060713132357.Y61840@fledge.watson.org> In-Reply-To: <36895211-2796-4213-B336-6279AB3AC3CB@stromnet.org> References: <DAFCD4DC-D2D4-4574-ACBF-367D642D9729@stromnet.org> <8D08DDB6-6AC1-45B6-B2CE-08782F54968A@stromnet.org> <884C01BC-3E97-46EC-AA8B-E70C3931F3A4@stromnet.org> <36895211-2796-4213-B336-6279AB3AC3CB@stromnet.org>
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On Thu, 13 Jul 2006, Johan Ström wrote: > And now again... raid gone degraded only 2 days after reboot! > > Jul 12 22:22:50 elfi kernel: ad4: FAILURE - device detached > Jul 12 22:22:50 elfi kernel: subdisk4: detached > Jul 12 22:22:50 elfi kernel: ad4: detached > Jul 12 22:22:50 elfi kernel: GEOM_MIRROR: Device gm0s1: provider ad4s1 > disconnected. > Jul 12 22:22:50 elfi kernel: > g_vfs_done():mirror/gm0s1f[READ(offset=120776474624, length=32768)]error = 6 > > $ uname -a > FreeBSD elfi.stromnet.org 6.1-RELEASE FreeBSD 6.1-RELEASE #3: Tue May 9 > 20:40:23 CEST 2006 johan@elfi.stromnet.org:/usr/obj/usr/src/sys/GENERIC i386 > > Still no luck with atacontrol... > > Is there any way to debug this further ?? I've tested the disk, the SATA > cables are new... I've had similar problems with other motherboard... I dont > think this is related to hw problems, but rather a softwareproblem that > needs to be solved, this is not something one can call stable ;) > > So, any pointers how to enable more debugging or anything that could give > some clues? I don't have a whole lot to add to this thread, but have changed the subject to make sure that the right people are reading this. This is likely either a hardware problem (motherboard/cable/drive) or driver problem. GEOM and the mirror driver seems to be behaving as desired (it detaches a drive reported by the driver as being bad). Could you post the dmesg -v output for the probing of the ata controller and driver? Robert N M Watson Computer Laboratory University of Cambridge
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