From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 29 Aug 2001 18:48:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 29 Aug 2001 18:48:00 -0400 Received: from vasquez.zip.com.au ([203.12.97.41]:57362 "EHLO vasquez.zip.com.au") by vger.kernel.org with ESMTP id ; Wed, 29 Aug 2001 18:47:55 -0400 Message-ID: <3B8D712C.1441BC5A@zip.com.au> Date: Wed, 29 Aug 2001 15:48:12 -0700 From: Andrew Morton X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.4.9 i686) X-Accept-Language: en MIME-Version: 1.0 To: David Rees CC: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, ext3-users@redhat.com Subject: Re: kupdated, bdflush and kjournald stuck in D state on RAID1 device (deadlock?) In-Reply-To: <20010829131720.A20537@greenhydrant.com> <3B8D54F3.46DC2ABB@zip.com.au>, <3B8D54F3.46DC2ABB@zip.com.au>; <20010829141451.A20968@greenhydrant.com> <3B8D60CF.A1400171@zip.com.au>, <3B8D60CF.A1400171@zip.com.au>; <20010829144016.C20968@greenhydrant.com> <3B8D6BF9.BFFC4505@zip.com.au>, <3B8D6BF9.BFFC4505@zip.com.au>; from akpm@zip.com.au on Wed, Aug 29, 2001 at 03:26:01PM -0700 <20010829153818.B21590@greenhydrant.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org David Rees wrote: > > ... > > The machine was and is still working mostly ok. Since I typed "umount /opt", > the opt directory doesn't show any contents any more, but before that things > appear OK. I can still use fdisk to look at the partition layout of the > drives in /opt raid1 array. /proc/mdstat is normal. > > There are no other software raid devices on the machine (/ is also ext3 on a > separate drive/controller). There are no suspicious messages printed from > dmesg, either. > Are you able to access all the underlying devices on the array? For example, if /dev/md0 consists of /dev/hda1 and /dev/hdb2, can you run 'cp /dev/hda1 /dev/null' and 'cp /dev/hdb1 /dev/null'? If so, then I'm all out of ideas. Your raid1 buffers have disappeared into thin air :( -