The diag command loads the diagnostic controller and displays the Online Diagnostic menus.
Running the Online Diagnostics in Concurrent Mode
To run Online Diagnostics in concurrent mode, use the following steps:
1. Log on to the AIX operating system as suroot). or superuser (
2. Enter thediag | command. |
3. When the DIAGNOSTIC OPERATING INSTRUCTIONS display, follow the instructions to check out the desired resources.
4.When testing is complete, use the F3 key to return to the DIAGNOSTIC OPERATING INSTRUCTIONS. Press the F3 key again to return to the AIX
operating system prompt. Be sure to vary on any resource you had varied to
5. Press the
Maintenance Mode
Maintenance | mode | runs | the Online | Diagnostics | using | the | customer's | version of | the | ||||||||||
AIX operating system. This mode requires that | all activity on the AIX operating | ||||||||||||||||||
system be | stopped | so | the | Online Diagnostics | have most of | the | resources | available | |||||||||||
to check. | All | of the system resources except | the | SCSI | adapters, | memory, | process | ||||||||||||
and | the | disk | drive | used for paging can be checked. |
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Error log analysis is done in maintenance mode when you select the Problem |
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Determination | option | on the | DIAGNOSTIC | MODE SELECTION | menu. |
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Use | theshutdown | command | to stop all activity on | the | AIX |
| operating | system | and | ||||||||||
put | the | AIX | operating | system | into | maintenancediag | modecommand. Theis | then |
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used to invoke the diagnostic controller so you | can run the diagnostics. After th | ||||||||||||||||||
diagnostic |
| controller | is | loaded, | follow the | normal | diagnostic | instructions. |
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Running the | Online | Diagnostics | in Maintenance | Mode |
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To run the Online Diagnostics in maintenance mode, | you must | be logged on to the | ||||
customer's version of the AIX operating system | as root or superuser (su). Use | |||||
following | steps | to run | the Online | Diagnostics in | maintenance | mode: |
1.Stop all programs except the AIX operating system (if help is needed, see system operator).
2. Log on to the AIX operating system as root or superuser (su).
3. Enter theshutdown | command. |
Chapter 5. Using the Online and Standalone Diagnostics105