From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Seagate ST3808110AS and Sil3114 RAID1 trouble. Date: Mon, 11 Dec 2006 18:21:11 +0900 Message-ID: <457D2307.7060301@gmail.com> References: <457D1F0F.20204@tin.it> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: Received: from nz-out-0506.google.com ([64.233.162.230]:6730 "EHLO nz-out-0102.google.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1760362AbWLKJVR (ORCPT ); Mon, 11 Dec 2006 04:21:17 -0500 Received: by nz-out-0102.google.com with SMTP id s1so753724nze for ; Mon, 11 Dec 2006 01:21:17 -0800 (PST) In-Reply-To: <457D1F0F.20204@tin.it> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mauro Ziliani Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org Mauro Ziliani wrote: > Dec 11 00:47:27 mercurio kernel: ata1.00: exception Emask 0x0 SAct 0x0 > SErr 0x280000 action 0x0 > Dec 11 00:47:27 mercurio kernel: ata1.00: (BMDMA stat 0x60) > Dec 11 00:47:27 mercurio kernel: ata1.00: tag 0 cmd 0x25 Emask 0x1 stat > 0x51 err 0x4 (device error) > Dec 11 00:47:27 mercurio kernel: ata1: EH complete What's the kernel version? Your drive is reporting errors on reads and writes. > Why this happens? Possibly dying device. > I control the disk with PowerMax 4.23 and the disk works fine. > All test are ok. I dunno what PowerMax tests for. Can you please the result of 'smartctl -d ata -a /dev/sdX'? > Is it better to make the RAID1 throught Sill3114 BIOS or throught > software md? Doesn't really matter. All are software raid anyway. If you wanna use BIOS raid, you gotta setup dm raid which goes along with it. -- tejun