Step 4
Determine if the operating system is accepting commands.
Is the operating system accepting commands?
NO | The system must be turned off in order to run diagnostics. |
| Verify with the system administrator and users that the system can be |
| turned off. If so, turn off the system unit and go to ªStep 7º on |
| page 159. |
YES | Go to ªStep 5º. |
Step 5
Diagnostic tests can be run on many resources while the operating system is running. However, you can obtain more extensive problem isolation by running online diagnostics in service mode.
Do you want to run the online diagnostics in service mode?
NO | Go to ªStep 6º. | |
YES | Do the following to shut down your system: | |
| 1. | At the system prompt, stop the operating system using the |
|
| appropriate command for your operating system. |
| 2. | After the operating system is stopped, turn off the system unit. |
| 3. | Go to ªStep 7º on page 159. |
Step 6
This step invokes the online diagnostics in concurrent mode.
1.Log in as root user.
2.Enter the diag command.
3.Wait until the Diagnostic Operating Instructions are displayed, or wait for three minutes.
Are the Diagnostic Operating Instructions displayed without any obvious console display problems?
NO | Do the following to shut down your system: | |
| 1. | At the system prompt, stop the operating system using the |
|
| appropriate command for your operating system. |
| 2. | After the operating system is stopped, turn off the system unit. |
| 3. | Go to ªStep 7º on page 159. |
YES | Go to ªStep 10º on page 160. | |
