System Startup, Configuration, and Shutdown Reference Manual (32650-90892)

Chapter 6 139
Modifying Logging Configurations
Entering the LOG Configurator
Logging System Events
System logging records the use of certain resources by accounts, groups, and users. System
logging can be used for several purposes, such as billing or obtaining an overview of system
use. System logging describes system use by creating a running log of actual events,
correlating the event with a job and session. The system manager chooses which events to
enable or disable by setting an event number to ON or OFF. (Refer to the preceding
example for a list of event numbers and their definitions.)
The SLOG command enables and disables the selected system logging events. SLOG has the
following parameters:
SLOG (SL) [ON =
event#,... ]
[OFF =
event#,... ]
Enable the logging of an event by entering SLOG
event#,... :
log>SLOG 100 (Event 100 enabled)
or
log>SLOG ON=100 (Event 100 enabled)
Disable the logging of an event by entering SLOG OFF=
event# ,...:
log>SLOG OFF=100 (Event 100 disabled)
Entering SLOG without ON enables logging. Entering SLOG without an event number causes
an error:
log>SLOG
(error - no parameters are specified)''
Logging event 100 is a special case. If 100 is off, no logging (except that forced on by
MPE/iX) takes place.
NOTE Some events are permanently set to ON. Currently, events 101, 111, 146, and
150 are forced on by MPE/iX.
NOTE MPE/iX is shipped from the factory with event number 116 "Program File
Event" turned ON. Hewlett-Packard recommends that customers leave this
event turned ON, as it can be useful for detecting potentially incompatible
(and rare) runtime events.
Logging User Events
User logging provides a means for system users and subsystems to record additions and
modifications to databases and other files using application programs. The system
manager determines the maximum number of logging processes and the maximum
number of users per logging process. The ULOG command configures the user logging
process parameters. ULOG has the following parameters: