Using The Standalone Cd-Rom And Online Current Diagnostics; Standalone And Online Diagnostics Operating Considerations; Running Online Diagnostics - IBM JS20 - BladeCenter - 8842 Maintenance And Troubleshooting Manual

Using the standalone CD-ROM and online current diagnostics

The diagnostics consist of standalone diagnostics and online diagnostics.
v The standalone diagnostics must be booted before they are run. If booted, they
v Online diagnostics are resident with AIX on the disk or server. They can be
Notes:
v If this system unit is attached to another system, be sure you isolate this system unit
v The AIX operating system must be installed in order to run online diagnostics. If the AIX

Standalone and online diagnostics operating considerations

Before you use the diagnostics, consider the following information:
v Run online diagnostics in concurrent mode whenever possible, unless otherwise
v When running online diagnostics, device support for some devices may not have
v When running standalone diagnostics, device support for some devices may be

Running online diagnostics

Consider the following information 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
v When the system is running in a full machine partition, then, if the diagnostics
Flag Description
-c Commits the temporary flash image when booted from the temporary image.
This overwrites the permanent image with the temporary image.
-r Rejects the temporary image when booted from the permanent image. This
overwrites the temporary image with the permanent image.
have no access to the AIX error log or the AIX configuration data.
booted and run concurrently (called concurrent mode) with other applications.
They have access to the AIX error log and the AIX configuration data.
before stopping the operating system or running diagnostic programs.
operating system is not installed, use the standalone diagnostic procedures.
directed. The online diagnostics perform additional functions as compared to
standalone diagnostics. The AIX error log functions are only available when
diagnostics are run from the disk (concurrent diagnostic) drive.
been installed. If this is the case, that device does not appear in the resource list.
contained on supplemental diagnostic media. If this is the case, the device does
not appear in the resource list when running diagnostics unless the supplemental
media has been processed.
system has been installed and configured.
were loaded from disk or a server, you must shut down the AIX operating system
before powering off the system unit to prevent possible damage to disk data. This
is done in one of two ways:
– If the diagnostic programs were loaded in Standalone mode, press the F3 key
until Diagnostic Operating Instructions displays; then follow the displayed
instructions to shut down the AIX operating system.
– If the diagnostic programs were loaded in maintenance or concurrent mode,
enter the shutdown -F command.
Chapter 8. General AIX and xSeries standalone diagnostic information
67