[aspect-devel] A weird error with MPI postprocessing

FELIPE ORELLANA ROVIROSA f_orellana at berkeley.edu
Mon Feb 29 16:34:44 PST 2016


 Thanks Wolfgang,

   Thanks for letting me know.

   I will try my best finding out the solution on this cluster-related
problem.

cheers,
Felipe

On Mon, Feb 29, 2016 at 2:45 PM, Wolfgang Bangerth <bangerth at tamu.edu>
wrote:

> On 02/29/2016 04:17 PM, FELIPE ORELLANA ROVIROSA wrote:
>
>>
>>
>> I am running simple convection in a brick with lengths (2,1,1). I am just
>> using the 3D-convection example from the cookbook and simply modifying it
>> to
>> be a brick and not a cube. I have succeeded, slowly, at Ra10^6.
>> Nevertheless,
>> only some of the output files are readable.
>>
>>      I reached a maximum time of t=0.00450949 seconds  (with a max time
>> =1)
>>
>>
>> Now I am trying to modify that brick, with a different initial condition
>> on
>> temperature, putting instead a 3D Gaussian, at the brick's center, with
>> amplitude of 0.01 or 0.02, and radial length scale of 0.25 (dies-off well
>> inside the brick).
>>
>>      I have not been able to get readable .pvtu files, with error
>> messages like:
>>
>>             'File for piece xy cannot be read'           (with xy being a
>> cell
>> number)
>>
>>    I can only load some vtu parts of the domain..
>>
>
> That certainly makes not much sense. I haven't seen any of these problems.
> To me, this looks like either you run out of disk space (or disk quota, if
> your system administrators impose one), or indeed some instability of the
> cluster.
>
> I know this is not a satisfactory answer for you, but I would suspect that
> you would have these same problems with any other parallel code you run
> there. Nothing of these error messages seems to me to be specific to ASPECT
> :-(
>
> Best
>  W.
>
>
> --
> ------------------------------------------------------------------------
> Wolfgang Bangerth               email:            bangerth at math.tamu.edu
>                                 www: http://www.math.tamu.edu/~bangerth/
>
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