To run the Online diagnostics in service mode, use the following steps:
1. Stop all programs including the AIX operating system (get help if needed).
2. Remove all tapes, diskettes, and CD-ROM discs.
3. Turn off the system unit power.
4. Turn on the system unit power.
5. After the first POST indicator appears on the system unit’s console, press F6 on
the directly-attached keyboard or 6 on the TTY keyboard to indicate that
diagnostics are to load.
Note: The term
POST indicator refers to the icons (graphic display) or device
mnemonics (ASCII terminal) that are displayed while the POST is running.
6. Enter any requested password.
7. Follow any instructions to select a console.
8. After the diagnostic controller loads, DIAGNOSTIC OPERATING INSTRUCTIONS
appear on the console display.
9. Follow the displayed instructions to test the desired resources.
10. When testing is complete; use the F3 key to return to the DIAGNOSTIC
OPERATING INSTRUCTIONS.
11. Press the F3 key (from a defined terminal) or press 99 (for an undefined terminal)
to shut down the diagnostics before turning off the system unit.
Note: Pressing the F3 key (from a defined terminal) produces a Confirm Exit
menu which offers two options: continuing with the shut down by pressing
F3; or returning to diagnostics by pressing Enter.
For undefined terminals, pressing 99 produces a full screen menu which
offers two options: continuing with the shutdown by pressing 99 and then
Enter; or returning to diagnostics by pressing Enter.
Running the Online Diagnostics in Concurrent Mode
Use Concurrent mode to run Online diagnostics on some of the system resources while
the system is running normal system activity.
Because the system is running in normal operation, the following resources cannot be
tested in concurrent mode:
v
SCSI adapters connected to paging devices
v
Disk drive used for paging
v
Any graphics-related device running X, CDE, or windowing environment
v
Memory
v
Processor.
Three levels of testing exist in concurrent mode:
v
The share-test level tests a resource while the resource is being shared by
programs running in the normal operation. This testing is mostly limited to normal
commands that test for the presence of a device or adapter.
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