gtpi1m3dSystem Installation Support Reference

Dynamic LU

The dynamic logical unit (LU) user exit, CDLY, allows you to specify the values that are used to create resource definitions for new LU resources that log on to the TPF system.

You can also use this user exit to specify which LU resources, if any, can log on to the TPF system.

This user exit is called only if an LU resource tries to log on to the TPF system and a resource definition does not already exist for that LU resource. Therefore, the dynamic LU user exit can be called when:

Input

R1
Address of the parameter list, which contains the following:

Programming Considerations

Return Values

R0 contains the return code:

0
Success

2
LU resource not authorized to log on to the TPF system.