VintageBigBlue.org

 

Message - channel_selection_algorithm


Nov 28, 2018

 


When an I/O device has more than one path to the processor complex the Channel Selection Algorithm is used to decide which one to use. MVS 3.8j uses the Input/Output Supervisor (IOS) to decide. It may be in the order the channels were defined, the reverse order of that, the last channel sucsessfully used, or a rotation in the order the channels were defined.

















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