1Process command line options 2Open the file outtmp.h5 3Going to process dataset: /GROUP/DSET_BT2... 4Open the dataset 5Retrieve the dataset's layout 6Dataset is a chunked dataset 7Retrieve the dataset's chunk indexing type 8Dataset's chunk indexing type is already version 1 B-tree: no further action 9Close the dataset 10Close the dataset creation property list 11Processing the file's superblock... 12Close the file 13