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[netCDF #AEX-457343]: nc_open_par() hangs

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  • Subject: [netCDF #AEX-457343]: nc_open_par() hangs
  • Date: Mon, 14 Aug 2023 11:43:15 -0600
Hello,

Can you provide the code you are using that is hanging?

Thanks!

-Ward

> Hello,
> 
> I am using parallel NetCDF functions (NetCDF compiled with HDF5 parallel
> enabled), and my code hangs in the part where nc_open_par() is called.
> It does not give any error messages.  My code worked in the past, I
> don't quite remember what version of NetCDF I have used in the past, but
> it never hanged when the nc_open_par() was called.
> 
> I am using the following setup.
> 
> HDF5 1.14.1-2
> OpenMPI 4.1.5
> NetCDF 4.9.2
> 
> And this is the netcdf info from nc-config --all
> 
> This netCDF 4.9.2 has been built with the following features:
> 
> --cc            -> mpicc
> --cflags        -> -I/usr/include
> --libs          -> -L/usr/lib -lnetcdf
> --static        -> -lhdf5_hl -lhdf5 -lm -lz -lsz -lbz2 -lzstd -lxml2
> -lcurl
> --has-dap          -> yes
> --has-dap2         -> yes
> --has-dap4         -> yes
> --has-nc2          -> yes
> --has-nc4          -> yes
> --has-hdf5         -> yes
> --has-hdf4         -> no
> --has-logging      -> no
> --has-pnetcdf      -> no
> --has-szlib        -> yes
> --has-cdf5         -> yes
> --has-parallel4    -> yes
> --has-parallel     -> yes
> --has-nczarr       -> yes
> --has-zstd         -> yes
> --has-benchmarks   -> no
> --has-multifilters -> yes
> --has-stdfilters   -> deflate bz2 zstd
> --has-quantize     -> yes
> 
> --prefix           -> /usr
> --includedir       -> /usr/include
> --libdir           -> /usr/lib
> --plugindir        ->
> --version          -> netCDF 4.9.2
> 
> Could you please help?
> 
> Thank you,
> 
> - Joong
> 
> 


Ticket Details
===================
Ticket ID: AEX-457343
Department: Support netCDF
Priority: High
Status: Closed
===================
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