Central processor complex channel subsystem
This chapter addresses the concepts of the IBM z13s channel subsystem, including multiple channel subsystems and multiple subchannel sets. It also describes the technology, terminology, and implementation aspects of the channel subsystem.
This chapter includes the following sections:
5.1 Channel subsystem
Channel subsystem (CSS) is a group of facilities that z Systems uses to control I/O operations.
The channel subsystem directs ...
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