Explanation: REMOVECOMPACTNAMES(name1,name2,...) is an optional parameter specifying the compaction-control qualifier of all data sets to be removed from the SOURCENAMES or OBJECTNAMES table. For name1,name2,..., specify the compaction-control qualifiers of those data sets you no longer want to have compacted by the source or object compaction table.
SMS relationship: Parameter differs in meaning when applied to SMS-managed or non-SMS-managed DASD volumes or data sets.
SETSYS default: None.
DFSMShsm default: If you do not specify this parameter on any SETSYS command, there is no DFSMShsm default.