The HDF5 Subfiling Virtual File Driver (VFD) is an MPI-based File Driver that was introduced in the HDF5 1.14.0 release. A user guide for the Subfiling Virtual File Driver was created in conjunction with the ExaIO team....
We are happy to announce the release of HDF5 1.14.0, which can now be obtained from the HDF5 Download page. More information about this release can be found on the HDF5 1.14.0 release page. For scheduled future releases, please refer to the release schedule....
While developing HDF5 1.13.3, a bug was discovered in OpenMPI's default I/O layer, affecting OpenMPI versions 4.1.0-4.1.4. It will be fixed in future releases. This bug can cause incorrect results from MPI I/O requests, unless one of the following parameters is passed to mpirun...