PROMON provides the ability to view and change the current settings for truncating and archiving log files. To access the Database Log file management from the PROMON main menu, select R&D (Advanced options) > 4 (Administrative Functions) > 15 (Database Log file management). The following menu appears:

                OpenEdge Release 12 Monitor (R&D)
                Database log file management

        Current .lg file maintenance settings:

         1. Omit .lg file messages (-omitLgMsgs):             Not Enabled
         2. Limit .lg file payload (-limitLgPayload):         Not Enabled
         3. Archive directory (-lgArchiveDir):                Not Enabled
         4. Archive before truncation (-lgArchiveEnable):     Not Enabled
         5. Truncation frequency (-lgTruncateFrequency):      Not Enabled
         6. Maximum size before truncation (-lgTruncateSize): Not Enabled
         7. Time of day for truncation (-lgTruncateTime):     00:00


Enter a number, P, T, or X (? for help):

For each option, select the number to toggle the setting, or input a new value.

You can also determine the last time the log file was truncated (since startup). From the PROMON main menu, select 7 (Database Status).