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From: Andrew Morton <akpm@zip.com.au>
To: David Rees <dbr@greenhydrant.com>
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?)
Date: Wed, 29 Aug 2001 15:48:12 -0700	[thread overview]
Message-ID: <3B8D712C.1441BC5A@zip.com.au> (raw)
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>

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 :(

-

  reply	other threads:[~2001-08-29 22:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-29 20:17 kupdated, bdflush and kjournald stuck in D state on RAID1 device (deadlock?) David Rees
2001-08-29 20:47 ` Andrew Morton
2001-08-29 21:14   ` David Rees
2001-08-29 21:38     ` Andrew Morton
2001-08-29 21:40       ` David Rees
2001-08-29 22:26         ` Andrew Morton
2001-08-29 22:38           ` David Rees
2001-08-29 22:48             ` Andrew Morton [this message]
2001-08-29 22:56               ` David Rees
2001-08-30  0:39                 ` Neil Brown
2001-08-30  0:55                   ` David Rees
2001-08-30  1:17                     ` Neil Brown
2001-08-30  1:24                       ` David Rees
2001-08-30  2:05                         ` Neil Brown
2001-08-30  2:50                           ` David Rees

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