zFBA for large file transfer

The zFBA parameter has functionality that provides enhanced performance of large file transfers between z/OS and AIX; CPU utilization on the z/OS node is greatly reduced and the data throughput is increased by utilizing parallel data paths to the device both from z/OS as well as the AIX system.

The parameter is as follows:
# zFBA parameter
zFBA:\
 :on=y:
Note: When zFBA is set to on, CRC checking is disabled for sessions using the DS8K device for data transfers. If Secure+ is configured between two nodes, the transfers will use the standard TCP/IP protocol and ignore the zFBA option.