<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000'>Both worked for me, with the current code (4.7.0pre)<br><br>I don't get your error :(<br>What version are you using? I will try 4.6.2, but it should be fine there too :(<br><br><br>mpiexec -np 2 mbconvert -O PARALLEL=READ_PART -O PARTITION=PARALLEL_PARTITION -O PARALLEL_RESOLVE_SHARED_ENTS -O PARALLEL_GHOSTS=2.0.1 -o PARALLEL=WRITE_PART /home/iulian/tmp/2d_naca0012_mixed2.h5m 2.h5m<br>Read "/home/iulian/tmp/2d_naca0012_mixed2.h5m"<br>Wrote "2.h5m"<br><br><br>iulian@T520-iuli:~/tmp$ mpiexec -np 2 mbconvert -O PARALLEL=READ_PART -O PARTITION=PARALLEL_PARTITION -O PARALLEL_RESOLVE_SHARED_ENTS -O PARALLEL_GHOSTS=2.0.1 -o PARALLEL=WRITE_PART /home/iulian/tmp/2d_naca0012_mixed_invert.h5m 2.h5m<br>Read "/home/iulian/tmp/2d_naca0012_mixed_invert.h5m"<br>Wrote "2.h5m"<br><br>It worked on 4.6.2 too<br><br>mpiexec -np 2 /home/iulian/source/MOAB46/tools/mbconvert -O PARALLEL=READ_PART -O PARTITION=PARALLEL_PARTITION -O PARALLEL_RESOLVE_SHARED_ENTS -O PARALLEL_GHOSTS=2.0.1 -o PARALLEL=WRITE_PART /home/iulian/tmp/2d_naca0012_mixed_invert.h5m 2.h5m<br>Read "/home/iulian/tmp/2d_naca0012_mixed_invert.h5m"<br><br><br><br>OK, I got an error with more quads, on 4.6.2 maybe I mixed them up when I saved :(<br> mpiexec -np 2 /home/iulian/source/MOAB46/tools/mbconvert -O PARALLEL=READ_PART -O PARTITION=PARALLEL_PARTITION -O PARALLEL_RESOLVE_SHARED_ENTS -O PARALLEL_GHOSTS=2.0.1 -o PARALLEL=WRITE_PART /home/iulian/tmp/2d_naca0012_mixed2.h5m 2.h5m<br>Leaked HDF5 object handle in function at ../../../moab46source/src/io/ReadHDF5.cpp:1523<br>Open at entrance: 1<br>Open at exit: 2<br>Leaked HDF5 object handle in function at ../../../moab46source/src/io/ReadHDF5.cpp:827<br>Open at entrance: 1<br>Open at exit: 2<br>Failed to load "/home/iulian/tmp/2d_naca0012_mixed2.h5m".<br>Error code: MB_INDEX_OUT_OF_RANGE (1)<br>Error message: Failed in step PARALLEL READ PART<br>Cannot close file with open handles: 0 file, 1 data, 0 group, 0 type, 0 attr<br><br><br>I will look into it.<br></div></body></html>