8860ch06.fm Draft Document for Review September 23, 2019 12:09 am 6.2.2 Defining the OSA-Express to IO configuration 6.2.3 Confirm your OSA-Express IO definition You need to define CHPID, CNTLUNIT, and IODEVICE for using OSA-Express. How to define  IO configuration using HCD is described in Chapter 13, “Adding network devices” on  page 287.  You can confirm your definition by using the following z/OS command:  DISPLAY M=CHP(xx) You can confirm the CHPID path status by using the command shown in Figure 6-1. Using the following command, you can confirm the channel path to a device: DISPLAY M=DEV(xxxx) Figure 6-1 OSD D M=CHP D M=CHP(E3) IEE174I 17.35.42 DISPLAY M 825 CHPID E3: TYPE=11, DESC=OSA DIRECT EXPRESS, ONLINE DEVICE STATUS FOR CHANNEL PATH E3 0 1 2 3 4 5 6 7 8 9 A B C D E F 01E3 + + + + + + + + + + + + + + + + SWITCH DEVICE NUMBER = NONE PHYSICAL CHANNEL ID = 0150 PNETID 1 = PERFNET ************************ SYMBOL EXPLANATIONS ************************ + ONLINE § PATH NOT VALIDATED - OFFLINE . DOES NOT EXIST * PHYSICALLY ONLINE $ PATH NOT OPERATIONAL  Chapter 6. Configuring network features  131