From: Michael Haverkamp <mhaverkamp@kcp.com>
Subject: Re: Stale NFS Filehandles and Permission Denied on 2.6.9
Date: Tue, 23 Nov 2004 08:06:00 -0600
Message-ID: <41A343C8.7090106@kcp.com>
References: <41A28FE0.9070906@affymetrix.com>
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To: Hugh Caley <Hugh_Caley@affymetrix.com>, nfs@lists.sourceforge.net
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I had similar problems.  Downgrading to kernel 2.6.7 and using 
no_subtree_check seemed to fix it for me.  I'm not sure which one fixed 
it, or if it was both.

Hugh Caley wrote:
> We recently migrated our main storage to a Nexsan Atabeast fronted by 
> two PC's running Fedora Core 2.   We are being plagued by  "Stale NFS 
> Filehandle" and "Permission Denied" errors on machines mounting the 
> shares provided by the two PC's.  Very sporadic, but annoying.
> 
> I can't seem to find any rhyme or reason for this.  Clients that have 
> seen the problem include a machine running RH 7.3 accessing a mount in 
> fstab, to a Fedora Core 1 client automounting a share.  Many times just 
> running 'ls' on the share a few times will suddenly make it accessable.  
> Other times a umount/mount is required.
> 
> The server machines are running Fedora Core 2 and kernel 
> 2.6.9-1.3_FC2smp.  The exported filesystems are ReiserFS on LVM2 
> volumes.  Qlogic QLA2300 fibre adaptors connect the heads to the Nexsan 
> Atabeast.
> 
> After reading some traffic on the Linux kernel list, I added the 
> "no_subtree_check" option to the fstab entries on the servers and 
> re-exported.  It doesn't seem to have made much of a difference.
> 
> I'm not seeing error messages in /var/log/messages on either the clients 
> nor the hosts.
> 
> Anyone else seeing this?  Any ideas?  Otherwise the performance on the 
> new systems beats the hell out of our old EMC Celerra; the users are 
> rather happy with it save for this little problem.
> 
> Hugh
> 

-- 
Michael Haverkamp


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