Resetting The Terminal; Running Online Diagnostics; Online Diagnostics Modes Of Operation; Service Mode - IBM pSeries 690 User Manual
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Also See for pSeries 690:
- Service manual (1134 pages) ,
- Installation manual (230 pages) ,
- User manual (212 pages)
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Resetting the Terminal
If you enter a terminal type that is valid (according to the DEFINE TERMINAL option menu) but is not the
correct type for the Hardware Management Console for pSeries (HMC) virtual terminal window being used,
you may be unable to read the screen, use the function keys, or use the Enter key. Bypass these
difficulties by pressing Ctrl-C to reset the terminal. The screen display that results from this reset depends
on the mode in which the system is being run:
v Online Normal or Maintenance Mode - The command prompt displays.
v Standalone Mode or Online Service Mode - The terminal type is reset to dumb, the Diagnostic Operating
Instruction panel displays, and you are required to go through the DEFINE TERMINAL process again.
Running Online Diagnostics
Consider the following when you run the online diagnostics from a server or a disk:
v The diagnostics cannot be loaded and run from a disk until the AIX operating system has been installed
and configured.
v The diagnostics cannot be loaded on a system (client) from a server if that system is not set up to boot
from a server over a network. When the system is set up to boot from a server, the diagnostics are run
in the same manner as they are from disk.
v On full system partitions, if the diagnostics are loaded from disk or a server, you must shut down the
AIX operating system before turning off the system unit to prevent possible damage to disk data. Do
this in either of the following ways:
– If the diagnostics were loaded in standalone mode, press the F3 key until DIAGNOSTIC OPERATING
INSTRUCTIONS displays. Then press the F3 key once again to shut down the AIX operating system.
– If the diagnostics were loaded in maintenance or concurrent mode, type the shutdown -F command.
v Under some conditions, the system might stop, with instructions displayed on attached displays and
terminals. Follow the instructions to select a console display.
Online Diagnostics Modes of Operation
Note: When running online diagnostics on a partition in a partitioned system, diagnostics can be run only
on resources that are allocated to that partition.
The online diagnostics can be run in the following modes:
v Service Mode
v Concurrent Mode
v Maintenance Mode
Service Mode
Service mode provides the most complete checkout of the system resources. This mode also requires that
no other programs be running on the partition or system on a full system partition. All partition or system
on a full system partition resources, except the SCSI adapter and the disk drives used for paging, can be
tested. However, note that the memory and processor are only tested during POST, and the results of the
POST tests are reported by diagnostics.
Error-log analysis is done in service mode when you select the Problem Determination option on the
DIAGNOSTIC MODE SELECTION menu.
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Eserver pSeries 690 User's Guide
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