From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Software RAID Problem Date: Wed, 29 Jul 2009 11:09:24 +0900 Message-ID: <4A6FAF54.1060902@kernel.org> References: <1248798289.4a6f26510c218@myaccount.bayarea.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:53535 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752977AbZG2CHY (ORCPT ); Tue, 28 Jul 2009 22:07:24 -0400 In-Reply-To: <1248798289.4a6f26510c218@myaccount.bayarea.net> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: rbroman@bayarea.net Cc: linux-ide@vger.kernel.org Hello, When you reply further, can you please do the followings? 1. Don't drop cc list. 2. Use an email client which properly specifies References: and In-Reply-To:. rbroman@bayarea.net wrote: >> Can you attach full output of 'dmesg' after raid degradation? > > For context, there are four RAID devices on this system. md0 is > /boot, md1 is / and md2 and md3 are the problem devices. /proc/mdstat > is below followed by the output of dmesg. > > /proc/mdstat > > Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] > [raid10] > md_d3 : inactive sdd2[2](S) > 366289920 blocks > > md_d2 : inactive sdd1[2](S) > 366281856 blocks > > md1 : active raid0 sdb6[1] sda6[0] > 781256704 blocks 64k chunks > > md0 : active raid1 sda1[0] sdb1[1] > 48829440 blocks [2/2] [UU] > > unused devices: > > dmesg ..... > The dmesg doesn't contain ATA error messages and the actual degradation. Can you please trigger that and then attach dmesg? Thanks. -- tejun