W dniu 21.10.2020 o 14:34, Robert Hahne pisze:
Greetings ,
Can someone direct me to a documentation for implementing ICA links on Z13 ? .
I was able to find a fantastic manual for implementing InfiniBand on system Z ,
but nothing similar to that for ICA . Are they similar in coding from an HCD
standpoint ?
Well, it is more or less similar.
The main advantage over "legacy" links is CHPID virtualization, that
means you may have several CHPIDs assigned to one physical link.
What is your problem? Do you have the fanout card installed? Is it cable
plugged?
How many sysplexes do you wan to connect?
BTW: be careful about "port" and "physical lin". In ESCON or FICON card
every socket was a chpid. 1:1 relationship.
IFB 12x (Infiniband) allowed to define several logical CHPIDs to one
physical port. And the physical port was NOT a socket. TWO sockets. The
port consist of TWO sockets. It's like ...BUS&TAG. Two cables create
one physical link.
ICA SR use very similar plugs, and 24 fibers but it is no longer 2x 12,
it 1x 24 - that means one socket and one plug per physical port.
Of course the number of ports per "card" (fanout) is different thing.
--
Radoslaw Skorupka
Lodz, Poland
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