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8. Page down until you find the disk unit with the special character * in its
description. This is the load-source disk unit.
9. Move the cursor to the load-source disk unit. To determine the location of the
load-source disk unit:
a. Select the Associated packaging resources option.
b. At the Packaging Resources Associated with a Logical Resource display,
select the Display detail option. Listed on the Packaging Hardware Resource
Detail display is the frame ID and card position of the FRU that contains
the load-source disk unit.
c. Select the Cancel function to return to the Packaging Resources Associated
with a Logical Resource display.
d. Select the Cancel function to return to the Logical Hardware Resources on
System Bus display.
10. Search for the I/O adapter that is above and closest to the load-source disk
unit on the display. This is the load-source IOA.
11. Move the cursor to the load-source IOA. To determine the location of the
load-source IOA:
a. Select the Associated packaging resources option.
b. At the Packaging Resources Associated with a Logical Resource display,
select the Display detail option. Listed on the Packaging Hardware Resource
Detail display is the frame ID and card position of the FRU that contains
the load-source IOA.
c. Select the Cancel function to return to the Packaging Resources Associated
with a Logical Resource display.
d. Select the Cancel function to return to the Logical Hardware Resources on
System Bus display.
History file
The history file provides a high-level audit trail of the actions that are performed
by the system. The history file information can assist the system operator, the data
processing manager, and the service representative.
The commands that are used to display the history file vary depending on your
operating system. For information on service commands, see “Commonly used
OS/400 service commands” on page 296.
Data is sent to the history file when:
v Fixes are loaded to the system
v Fixes are temporarily or permanently applied
v Fixes are temporarily or permanently removed
Notes:
1. The term fix refers to a program temporary fix (PTF) to the Licensed Internal
Code, operating system, or other licensed programs.
2. You should submit a copy of the history file with every authorized program
analysis report (APAR).
3. 99xx messages can contain SRC information.
130 Service Functions V5R2