I finally got all the pieces, and started working on a zVM v5.2 system with CSE. My problem is that, when I try to turn on CSE in the SYSTEM CONFIG, I get then get several of the following messages in the IPL:
HCPLNM2880E MAINT 0190 is not linked, CSE LINK I/O ERROR, Code 02
The description of the error implies that XLINK FORMAT needs to be run on the device, but how do you do that initially, without the system running? I seem to be caught in a "chicken and egg" type loop….
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