[Beowulf] upgrade from NFS3 to NFS4

Tim Cutts tjrc at sanger.ac.uk
Mon Sep 22 14:02:30 EDT 2008


On 22 Sep 2008, at 5:38 pm, Henning Fehrmann wrote:

> Hi everybody,
>
> we have to think about moving from NFS3 to NFS4 in our Linux  
> operated cluster with 1342 nodes.
> The current kernel is the 2.6.25-9. We are using a Debian Etch
> installation.
> I know there have been problems with NFS4 in a Linux kernel which I  
> can not
> recall right now. Do you know any objections - telling why it is  
> probably a bad
> idea to use NFS4 in our environment?

I can think of one, which may or may not affect you - the BSD-flavour  
automounter, am-utils, does not support NFSv4 properly, and there are  
no plans (that I know of) to change it so it does.

Tim


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