[RegCNET] Fw: error mksurfdataCLM45_CN_CROP run

Graziano Giuliani ggiulian at ictp.it
Mon Sep 15 11:04:11 CEST 2014


On 09/14/2014 12:36 PM, Samy Rateb wrote:
> Hello Dr.Graziano Giuliani,
> 
> In this run, i tried to make nsg=5, so core dumped in the step ./bin/mksurfdataCLM45_CN_CROP regcm45.in, but when i made nsg=1, it ran successfully and the step mpirun -np 4 ./bin/regcmMPI CLM45_CN_CROP regcm45.in runs successfully. So i can do nest down to 10 km with CLM4.5. So I think that the problem i cannot do nsg=5 with CLM4.5
> 
[...]

The problem is in the netcdf library netCDF3 format not being able to
handle BIG files. Read current netCDF3 limits on:

https://www.unidata.ucar.edu/software/netcdf/docs/netcdf/NetCDF-Classic-Format.html

I have switched the default format on all programs to the netCDF3 64-bit
offset file format:

https://www.unidata.ucar.edu/software/netcdf/docs/netcdf/64_002dbit-Offset-Format.html

It is NOT HDF5 format, but it should allow to fit BIG data in.
If you STILL have problems, consider using the NetCDF4 HDF5 Classic
format model

https://www.unidata.ucar.edu/software/netcdf/docs/netcdf/NetCDF_002d4-Classic-Model-Format.html

using the --enable-nc4 flag.

I have a new packaged SVN snapshot under:

http://clima-dods.ictp.it/d8/transfer/WA/RegCM-4.4-SVN4648.tar.gz

G.

-- 
Graziano Giuliani - Earth System Physics Section
The Abdus Salam International Centre for Theoretical Physics
Strada Costiera 11 - I - 34151 Trieste Italy


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