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Note: There are two copies of some Licensed Internal Code on the load-source
disk unit. It is the IPL type (A or B) that selects the Licensed Internal
Code level with which your system will run.
v Rebuild Licensed Internal Code
This option allows you to rebuild the Licensed Internal Code. On RISC systems,
this means combining free space for all nucleus and service Load IDs.
v Display Licensed Internal Code
This option allows you to display the following:
– Replaceable unit information (code or object modules)
– Fix information
– Product information
The Fix information option allows you to display the status of the Licensed
Internal Code fix (if it is permanently or temporarily applied). For more
information on displaying fixes, see “Displaying Licensed Internal Code fixes”
on page 224.
v Work with free space
This option displays the space available for storing new modules on the system
and allows you to combine the space that is used.
v Remove fixes
To remove Licensed Internal Code fixes, if the PTF is a delayed PTF, the system
must be running on the copy without the changes (type A IPL). Removing these
changes causes the system to load the primary copy over the changes in the
changed copy of Licensed Internal Code.
Immediate LIC PTFs can be removed while running a type B IPL.
v Make fixes permanent
To make Licensed Internal Code fixes permanent, the system must be running
on the copy with the changes. When these changes are made permanent, they
are loaded into the primary copy of the Licensed Internal Code.
v Display status (F6)
Press the F6 function key on the Work with Licensed Internal Code display to
view the history log.
For more information on PTFs, see “Displaying Licensed Internal Code fixes” on
page 224 and the system operation information.
Work with disk units
This option allows you to do the following from the partition from which DST was
entered:
v Work with disk configuration.
– Create and update the disk configuration.
– Display the logical structure (disk unit and auxiliary storage pool (ASP)
information).
v Work with disk unit recovery.
Note: A graphical interface is available for you to use. See Manage disk unit
configuration located in the Systems management, Disk management, Disk
pools, Configure and manage disk pools topic in the Information Center
(http://ibm.com/eserver/iseries/infocenter ).
Chapter 1. Dedicated Service Tools (DST) 13