IBM H80 Series manual Running the Online Diagnostics in Concurrent Mode, Maintenance Mode

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 Ctrl-D key sequence to log off fromsu root). or superuser (

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.

Error log analysis is done in maintenance mode when you select the Problem

Determination

option

on the

DIAGNOSTIC

MODE SELECTION

menu.

Use

theshutdown

-m

command

to stop all activity on

the

AIX

operating

system

and

put

the

AIX

operating

system

into

maintenancediag

modecommand. Theis

then

used to invoke the diagnostic controller so you

can run the diagnostics. After th

diagnostic

controller

is

loaded,

follow the

normal

diagnostic

instructions.

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 (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 -m command.

Chapter 5. Using the Online and Standalone Diagnostics105