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Re: raid1 (u)mount error

To: thomas <tom@xxxxxxxx>
Subject: Re: raid1 (u)mount error
From: Chris Wedgwood <cw@xxxxxxxx>
Date: Tue, 10 Sep 2002 11:22:41 -0700
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <527280437.20020910155814@xxxxxxxx>
References: <527280437.20020910155814@xxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.4i
On Tue, Sep 10, 2002 at 03:58:14PM +0200, thomas wrote:

>     i've got a RAID1 running that seems to not umount itself properly. so
>     when i try to mount the system after a reboot i see:

>     now i don't have /dev/md0 in fstab just to be sure that it
>     doesn't try to mount itself before the raid array is
>     started. but it doesn't matter.  whatever i try the only thing
>     that helps is xfs_repair -L /dev/md0, after that it mounts
>     without any problems.

Is this / on raid1?

If so, I also see this...  I put some stack dump stuff in to verify
that /dev/md0 get opened *twice* as / is mounted, once I assume for
the auto-raid stuff (or something?) and then again to mount /

The raid1 code won't switch to RO in there is more than one reference
and thus it's never able to be mounted cleanly.

Sorry this doesn't provide a solution, I was tracking this down under
time pressure and had to fix the problem using another means.



  --cw


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