IBM p 655 series User Manual

Contents

Run ExercisersThe 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 canbe 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 Logwhen logging thresholds are exceeded.The diagnostic supervisor typically sets up temporary work files in the /tmp directory to log messages anddevice statistics. These files are deleted before an exerciser session begins. In addition to individualexerciser requirements, the following requirements pertain to all exercisers:v Only supported in concurrent or service modesv Not supported from standalone diagnosticsv System performance will be degraded while running the exerciser, so it is recommended that customerapplications be shut down before it is run.v At least 1 MB of free storage in the /tmp directory is availableFrom the TASK SELECTION LIST menu select Run Exercisers. The RESOURCES SELECTION LISTmenu displays. From this menu, choose the resources you want to exercise, and then select commit tostart the Run Exerciser task. An intermediate pop-up window might display, stating system performancewill be degraded. (The pop-up window does not display if the task had previously been selected). PressEnter 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 foreach 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 ofprocessors, processor speed, memory size, and I/O configuration.After choosing the Extended Exercise option, additional menus, pop-up windows and prompts maydisplay for each resource. Read any text and carefully fill out any prompts before committing. The SystemExerciser Main Menu displays. From this menu, the exercisers can be activated through:v Option 1 - Short Exercisev Option 2 - Extended Exercisev 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 ExerciserComplete 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 LogAnalysis 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 areavailable in each menu or report.CMD DescriptionChapter 7. Introducing Tasks and Service Aids 103