IBM xSeries 260, User Manual

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Running the Online Diagnostics in Maintenance Mode
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 and use the
shutdown -m and diag commands. Use the following steps to run the Online
diagnostics in maintenance mode:
1. Stop all programs except the AIX operating system (get help if needed).
2. Log onto the AIX operating system as root or superuser.
3. Enter the shutdown -m command.
4. When a message indicates the system is in maintenance mode, enter the diag
command.
Note: It may be necessary to set
TERM type again.
5. When
DIAGNOSTIC OPERATING INSTRUCTIONS is displayed, follow the
displayed instructions to checkout the desired resources.
6. When testing is complete; use the F3 key to return to DIAGNOSTIC
OPERATING INSTRUCTIONS. Then press the F3 key again to return to the AIX
operating system prompt.
7. Press Ctrl-D to log off from root or superuser.
Stand-alone Diagnostic Operation
Stand-alone Diagnostics provide a method to test the system when the Online
Diagnostics are not installed and a method of testing the disk drives and other
resources that cannot be tested by the Online Diagnostics.
Error Log Analysis is not done by the Stand-alone Diagnostics.
If running from CD-ROM, the CD-ROM drive and the SCSI controller that controls it
cannot be tested by the Stand-alone Diagnostics.
Chapter 5. Using the Stand-alone and Online Diagnostics
5-7