Checkpointing concatenated data sets
For concatenated BSAM or QSAM data sets, CHKPT must be coded on each DD statement in the concatenation, if checkpointing is desired for each data set in the concatenation.
For concatenated BSAM or QSAM data sets, CHKPT must be coded on each DD statement in the concatenation, if checkpointing is desired for each data set in the concatenation.