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From: Neil Brown <neilb@cse.unsw.edu.au>
To: David Fries <dfries@umr.edu>
Date: Sun, 25 Feb 2001 16:43:46 +1100 (EST)
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Message-ID: <15000.39826.947692.141119@notabene.cse.unsw.edu.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Stale NFS handles on 2.4.2
In-Reply-To: message from David Fries on Saturday February 24
In-Reply-To: <20010214002750.B11906@unthought.net>
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On Saturday February 24, dfries@umr.edu wrote:
> I have my home directory mounted on one computer from another.  I
> rebooted the server and now the client is saying Stale NFS file handle
> anytime something goes to read my home directory.  It has been this  
> way for about a day.  Shouldn't any caches expire by now?

It isn't that a cache needs to expire.  It sounds like it is a cache
that needs to be filled.

The kernel keeps a cache of ip addresses that are allowed access to
particular filesystems.  This is visible through /proc/fs/nfs/exports.
It is filled at reboot by "exportfs -a" or "exportfs -r" which gets
information from /etc/exports and /var/lib/nfs/rmtab.

So check that /etc/exports contains the right info.
Check that /var/lib/nfs/rmtab lists the filesystems and clients that
you expect to have access, and then run "exportfs -av"

NeilBrown


> 
> Both server and client are running 2.4.2.
> 
> I'ved tried `mount /home -o remount`, and reading lots of other
> directories to flush out that entry if it was in cache without any
> results.
> 
> I was hopping to avoid unmounting, as I would have to shut about
> everything down to do that.
> 
> -- 
> 		+---------------------------------+
> 		|      David Fries                |
> 		|      dfries@umr.edu             |
> 		+---------------------------------+
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