Information:

Environment

AppMon: all versions

Symptoms

zDC initializes, but doesn't use the log file other than deleting it

Solution

The log dataset is required if you are using the logging facility (which is typically requested by Compuware support).

When this option is turned on (LOG_INITIAL(OPEN)), then the need for its associated parms are required. These parms include the log dataset name (LOG_DSNAME).

If however you are not using the logging facility, the log dataset will not be created and no further changes are needed.