IBM System z Connectivity Handbook

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CHPID assignment and the CHPID Mapping Tool

In previous generations of servers, the channel path identifier (CHPID) assignments were fixed and could not be changed. IBM System z servers allow you to assign the CHPID number for any feature on the server that has a CHPID number that is associated with it. The latest level of the CHPID Mapping Tool is available for System z mapping. The CHPID assignment functions are described in this appendix.

Description

A CHPID statement is used in an Input/Output Configuration Data Set (IOCDS) to define each channel ...

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