Issue a Start Journal Physical File (STRJRNPF) command so that entries are included in the new journals as the performance data is captured, for example:
STRJRNPF FILE(QPFRDATA/QAPMDISK) JRN(MYLIB/MYPERFJRN)
Issue a Start Journal Physical File (STRJRNPF) command so that entries are included in the new journals as the performance data is captured, for example:
STRJRNPF FILE(QPFRDATA/QAPMDISK) JRN(MYLIB/MYPERFJRN)