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Run Exercisers
The Run Exercisers task provides a tool to troubleshoot intermittent system problems, to test hardware,
and to verify replacement parts. When AIX error logging is enabled, the Run Error Log Analysis task can
be used to analyze errors after the exerciser completes. Hardware errors are logged in the AIX Error Log.
Miscompares and recoverable errors are not reported. However, they may be logged in the AIX Error Log
when logging thresholds are exceeded.
The diagnostic supervisor typically sets up temporary work files in the /tmp directory to log messages and
device statistics. These files are deleted before an exerciser session begins. In addition to individual
exerciser requirements, the following requirements pertain to all exercisers:
v Only supported in concurrent or service modes
v Not supported from standalone diagnostics
v System performance will be degraded while running the exerciser, so it is recommended that customer
applications be shut down before it is run.
v At least 1 MB of free storage in the /tmp directory is available
From the TASK SELECTION LIST menu select Run Exercisers. The RESOURCES SELECTION LIST
menu displays. From this menu, choose the resources you want to exercise, and then select commit to
start the Run Exerciser task. An intermediate pop-up window might display, stating system performance
will be degraded. (The pop-up window does not display if the task had previously been selected). Press
Enter and the EXERCISER OPTIONS menu prompts for the type of test to run.
The EXERCISER OPTIONS menu displays the following options:
v Option 1 - Short Exercise. Exercises the resources within a relatively short time and exits.
v Option 2 - Extended Exercise. Allows greater flexibility and control over resources and test duration.
After choosing the Short Exercise option, additional menus, pop-up windows and prompts may display for
each resource. Read any text and carefully complete any prompts before committing. The exercisers start,
and the Device Status Screen displays. The exercisers runs 5 to 10 minutes depending on the number of
processors, processor speed, memory size, and I/O configuration.
After choosing the Extended Exercise option, additional menus, pop-up windows and prompts may
display for each resource. Read any text and carefully fill out any prompts before committing. The System
Exerciser Main Menu displays. From this menu, the exercisers can be activated through:
v Option 1 - Short Exercise
v Option 2 - Extended Exercise
v Option x (where exercises are exited)
For information about using other available options, see the help text.
When the task completes, any errors that were encountered are displayed for review. Finally, an Exerciser
Complete pop-up window displays.
To continue, press Enter. The TASK SELECTION LIST menu displays.
If miscompare errors were encountered, run diagnostics on the resource. If the problem is not reported,
contact your service support structure. If any other error were encountered, select and run the Error Log
Analysis task. If Error Log Analysis does not report a problem, contact your service support structure.
Exerciser Commands (CMD)
Use the following commands as needed in the exerciser menus and reports. Not all commands are
available in each menu or report.
CMD
Description
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Chapter 7. Introducing Tasks and Service Aids
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