This chapter presents an overview of the Channel Subsystem.
This chapter includes the following sections:
Remember: This book is third in a series. The first two are IBM zEnterprise EC12 Technical Introduction, SG24-8050, and IBM zEnterprise EC12 Technical Guide, SG24-8049.
1.1 Channel subsystem (CSS)
The channels in the CSS allow the transfer of data between main storage and I/O devices ...