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This option allows you to do the following tasks:
v Change the IPL attributes
v Set the IPL attributes and restart the system
v Set the IPL attributes and power off the system
Note: At the next IPL, a file rebuild might be necessary. For more information on a
file rebuild, see the system operation information.
Performance data collector: Select this option from the Start a Service Tool
display.
This option allows you to gather detailed information about system performance.
Use the Performance data collector option only if directed by your next level of
support.
To create the trace, you must specify the following:
v The collector mode
v The jobs or tasks from which to collect the data
v The events to collect
After you select the Start option, the collector data is placed in temporary storage.
When the collector is stopped, you can copy the data to tape by selecting the Get
data option on the Work with Performance Data Collections display. To delete the
data from storage, select the Delete option on the Work with Performance Data
Collections display. The data is automatically erased at the next IPL.
Work with communications trace: The Work with communications trace option is
available only under System Service Tools (SST). Select this option from the Start a
Service Tool display.
This option allows you to start or stop a communications line trace on a
configuration object.
Once you run the trace, the data can be formatted. You can view the formatted
data by printing it.
You should use communications trace for the following situations:
v To isolate errors that you cannot isolate using the communications verification
procedure
v To collect more data when the problem analysis procedures do not provide
enough information on the problem
v If you suspect a communications protocol violation problem or some other line
problem
v If you suspect line noise
v When the error messages indicate that there is an SNA BIND problem
Running and interpreting the communications trace requires detailed knowledge of
communications protocols. Whenever possible, start the communications trace
before varying on the lines. Doing this gives you the most accurate sample of your
line status.
Note: Online help from the Work with Communications Trace display allows you
to view a list of protocols.
32 Service Functions V5R2