[Pw_forum] wfcdir and oldwfc

[Cyrille Barreteau]

Dear Javier

I had the same problem on our cluster since by default the home 
directory was the NSF server (master node).
You should be able to write on each node. In our case the /local/ 
directory is mounted on each node
therefore choosing the outdir as /local/javier.... should
solve your problem.

best regards

  cyrille

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Javier Fuhr wrote:

> Dear PWscf users,
>
> I am relaxing a rather large system with pw.x in parallel mode in a 
> cluster. I set wfcdir pointing to directories in the local hard drives 
> of the machines. However, the big *.oldwfc* and *.old2wfc* files, 
> necessary for the wfc extrapolation (I set wfc_extrapolation = 
> 'second_order'), are written in outdir which is pointing to a 
> directory in the NFS server. Therefore, the extrapolation takes a lot 
> of time. Is there a way to write these files in the local 
> directories?, or is it advised not to use wfc_extrapolation?
>
> Thanks,
> Javier
>
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