Explanation: JOURNAL(thresh) is an optional subparameter of the MONITOR parameter that specifies when DFSMShsm issues warning messages about the amount of space used in the journal data set.
For thresh, substitute a decimal number from 0 to 100 that specifies a percentage value. When the occupied space in the journal data set exceeds this percentage value, DFSMShsm warns the system operator that the data set is getting full.
SMS relationship: Parameter has the same 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 subparameter on any SETSYS command, the DFSMShsm default is 80%.
When defined as a large format data set, the DFSMShsm journal can exceed 65,535 tracks per volume. For information about defining the DFSMShsm journal, see z/OS DFSMShsm Implementation and Customization Guide.