High Performance FICON for z Systems
High Performance FICON® for z Systems® (zHPF) is an enhancement to the IBM® FICON architecture to offload I/O management processing from the z Systems channel subsystem to the DS8000 10th generation Host Adapter and controller.
zHPF is an optional feature of z Systems server
and of the DS8000 10th generation. Recent enhancements to zHPF include Extended Distance Facility
zHPF List Pre-fetch support for IBM
DB2® and utility operations, and zHPF support for sequential
access methods. All of DB2 I/O is now zHPF-capable.