If the trace data set is an SVC dump, the trace subname must also be specified. This subname is the aggregation of the address space's jobname with its ASID (address space identifier), in printable hexadecimal.
CTRACE QUERY DSN('dump.data.set')
CTRACE COMP(CELL_SHORT_NAME) SUB((subname)) FULL DSN('dump.data.set')where CELL_SHORT_NAME is the value specified through the ISPF customization dialog to identify the location of server configuration files. The name must be 8 or fewer characters and all uppercase.