Major Difficulties (cont’d)
Parallel I/O (6 PY)
Fyod – parallel independent files
Partial success (6 PM)
Striping fyod
Abandoned for lack of robustness (2 PY)
ENFS (3.5 PY)
Have MPI-IO for ENFS, working on HDF-5
119 MB/s from 8 I/O nodes to SGI O2K with XFS
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