This document provides an overview and introduction to IBM Data Server Manager (DSM). It summarizes new features of DSM 2.1 for DB2 for z/OS, including enhancements to query tuning, configuration management, and utilities solution pack integration. The document highlights key customer requests that DSM addresses, such as simplified user experience, improved performance tuning, and centralized database administration across the enterprise. Screenshots and descriptions of DSM capabilities like database exploration, SQL development and scheduling, advisor-based query tuning, and client/server monitoring are also provided.