The diag command loads the diagnostic controller and displays the Onlin nostic menus.

Running the Online Diagnostics in Concurrent Mode

To run Online Diagnostics in concurrent mode, take the following steps:

1. Log on to the AIX operating system as root or superuser.

2. Enter thediag

command.

3. When the DIAGNOSTIC OPERATING INSTRUCTIONS are displayed, follow th instructions to check out the desired resources.

4. When

testing is complete; use the F3 key to return to the DI

ATING

INSTRUCTIONS. Then press the F3

key again

to return

to the

ating

system prompt. Be sure

to

vary

on any resource you had

5. Press

the Ctrl-D key sequence

to

log

off from

root or

superuser

Maintenance

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maintenance

mode runs

the

Online

Diagnostics

using

the

customer's

versi

AIX operating system. This mode

requires that all

activity

on

the

system

be

stopped so

the

Online Diagnostics have

most

of

the

reso

to check. All of the

system resources except the SCSI

adapters, m

and

the

disk

drive

used for paging can be checked.

 

 

 

 

Error

log

analysis

is

done in maintenance mode when you select the

mination

 

option

on

the

DIAGNOSTIC

MODE

SELECTION

menu.

 

 

 

 

 

 

 

The shutdown

-m

command

is

used

to

stop

all

activity

on

the

AIX

ope

and

put

the

AIX

operating

system

into

maintenance diagmodecommand.Then

the

is used to invoke the diagnostic controller so you can run

the

dia

diagnostic

controller

is

loaded,

follow

the

normal

diagnostic

instructi

Running the Online Diagnostics in Maintenance Mode

To run the Online Diagnostics in maintenance mode you must be logged customer's version of the AIX operatingroot systorsuperuserm as and use the

shutdown -mand diag commands. Use the following steps to run the Onlin nostics in maintenance mode:

1. Stop all programs except the AIX operating system (get help if

2. Log onto the AIX operating rootsystemor superuseras .

3. Enter theshutdown -m

command.

Chapter 6. Using the Online and Standalone Diagnostics6-11

Page 139
Image 139
IBM RS/6000 Running the Online Diagnostics in Concurrent Mode, Running the Online Diagnostics in Maintenance Mode, Ating