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> Hi, There, > > Recently, we have a problem with parallel enabled NetCDF4. > > In the attached tar file, we tried to write a simple NC4 file, > test_par_netcdf4.nc, it runs OK, but ncdump generated: > (This program can now only run on 1, 2, or 4 processors.) > > netcdf test_par_necdf4 { Howdy Wei! You must set flags nf90_mpiio or nf90_mpiposix (or their C or F77 equivalents) when using parallel I/O. I have changed the codebase to give an invalid input error if parallel access is attempted without using one of these flags. Thanks, Ed Ticket Details =================== Ticket ID: KBI-801297 Department: Support netCDF Priority: Normal Status: Closed