Retaining single file format backup tapes

Figure 1 shows how to retain all single file format tapes created as originals by DFSMShsm backup until DFSMShsm releases the tapes.

Figure 1. Keeping single file format backup tapes

RMM ADDVRS DSNAME('bprefix.BACKTAPE.DATASET') -
    COUNT(99999) CYCLES

bprefix: Specifies the DFSMShsm-defined backup and dump data set prefix.
COUNT(99999): Specifies to retain all data sets forever or until DFSMShsm releases the volume by notifying DFSMSrmm through the EDGTVEXT installation exit.
CYCLES: Specifies that DFSMSrmm retain data sets based on cycles or copies of a data set.