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RE: [Xen-users] NFS DomU Client Performance

To: 'Tom Brown' <tbrown@xxxxxxxxxxxxx>, "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Subject: RE: [Xen-users] NFS DomU Client Performance
From: "HAWKER, Dan" <dan.hawker@xxxxxxxxxxxxxxxx>
Date: Wed, 30 Aug 2006 12:18:11 +0100
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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> Sounds to me like a daemon (statd/lockd/rgcgidd etc) 
> problem... I expect 
> you are not running quite the same configuration in the domU, 
> which isn't 
> suprising as some distributions don't have standard NFS 
> daemons and the 
> xen builds are not going to reproduce that. I expect the NFS 
> daemon on the 
> client is trying to talk to the local daemon which is 
> missing, timing out, 
> and continuing.
> 
> 90 or 105 second delays are _not_ likely to be a XEN issue... 
> although as 
> Mats has pointed out, there can be checksum issues.
> 
> Try adding  "-o nolock,ro" to the mount command... if that goes "way 
> faster", then you have a better idea of where the issue lies.
> 
> -Tom
> 

And the winner is Tom :)

That makes the mount instantaneous again. So I guess I do have a daemon
problem. After investigating, yes, it seems the client(s) I am having these
poor results on do not have a lockd process running.

So onto the crux...  How do I enable it???

Dan

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