Data set deletion

For those primary volumes with the DELETEBYAGE space management technique, DFSMShsm scratches low-activity cataloged and uncataloged data sets based on the inactive age of the data sets. You specify the inactive age when you specify the space management technique. DFSMShsm scratches only data sets whose expiration dates have been reached or data sets without expiration dates. For data set deletion, DFSMShsm ignores any thresholds you specify and scratches all eligible data sets.

As DFSMShsm examines each data set for deletion, it passes control to the data set deletion installation exit (ARCADEXT).