Re: running ncl on a compute node of a cluster

Po-Lun,

You can't turn this feature on and off, unfortunately. The NCL
software has several dependencies on the X11 libraries, and I'm
guessing in your case, it's looking for X11 shared libraries and can't
find them.

The error message should hopefully tell you what kind of libraries
it's looking for, and you should be able to copy them over from
another similar machine.

--Mary

On Jan 1, 2010, at 4:27 PM, Po-Lun Ma wrote:

> Hi Folks,
>
> Happy New Year!
>
> I have a question: I have always run NCL on the management node of a
> cluster without any problem. However, it is sort of slow when I need
> to
> run several NCL scripts at the same time while other people are also
> using the management node to compile a program or do some other work.
> So, I am attempting to submit a NCL script to the compute node of a
> cluster.
>
> However, the cluster I am using does not make every compute node to
> load
> all libraries to make the compute node simpler and therefore faster.
> That causes a problem because the compute nodes do not have all the
> libraries required for running NCL, for example, the X11-related
> libraries. In fact, since I only need to run a NCL script to read in
> data, use the built-in functions to do some calculations, and
> produce a
> plot (ps file) or a ASCII file, I actually do not need to have X11
> libraries, but I do not know how to "turn off" X11 features in NCL.
>
> Can someone help me with submitting a NCL job to a compute node
> (that do
> not have X11 libraries) of a cluster?
>
> Thanks for your help.
>
> Po-Lun
>
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Received on Mon Jan 4 07:11:23 2010