Parallel Sysplex

Parallel Sysplex

(operating system)A Sysplex that uses one or more coupling facilities.

http://s390.ibm.com/products/pso/psohp.html.

Parallel Sysplex

IBM's mainframe clustering architecture. It allows multiple computers to work together as a single system. Supporting data sharing with guaranteed integrity, extensive resource sharing and sophisticated workload balancing, a Parallel Sysplex cluster uses one or more Coupling Facilities to connect machines together. See Sysplex and Coupling Facility.