On Sunday, 08/16/2020 at 09:58 GMT, "r.stricklin" <[email protected]> wrote:
> I believe (this is the part of the EMIF CTC section in the IOCP User's Guide I > think I understand pretty clearly) the CUADD and third digit of the real device > number (23x0) indicates the LPAR number of the other end. My (less clear) > understanding is that IOCP generates pseudo control units based on this, which > perform the role of the 'CP COUPLE' command. I have assumed, but am not yet > confident, that the last digits are what tie both ends together. e.g. in LPAR > 3, 2310 would connect to 2330 in LPAR 1, and 2320 to 2330 in LPAR 2. -- "A > corresponding pair of CTC devices can have different device numbers, but they > must use the same unit address." My long-suffering draft work on CTCs can be found at http://www.vm.ibm.com/devpages/altmarka/ctc.html. Maybe it can help you. The UAs must match. By default the UAs match the last two digits of the device number. Your device numbering convention may require you to change it. Alan Altmark Senior Managing z/VM and Linux Consultant IBM Systems Lab Services IBM Z Delivery Practice ibm.com/systems/services/labservices office: 607.429.3323 mobile; 607.321.7556 [email protected] IBM Endicott ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www2.marist.edu/htbin/wlvindex?LINUX-390
