Each release of IBM® z/OS® DFSMS builds upon the previous version to provide enhanced storage management, data access, device support, program management, and distributed data access for the z/OS platform in a system-managed storage environment.

This IBM Redbooks® publication provides a summary of the functions and enhancements integrated into z/OS V2.1 DFSMS. It provides you with the information that you need to understand and evaluate the content of this DFSMS release, along with practical implementation hints and tips.

This book is written for storage professionals and system programmers who have experience with the components of DFSMS. It provides sufficient information so that you can start prioritizing the implementation of new functions and evaluating their applicability in your DFSMS environment.

Chapter 1. DFSMS V2.1 release summary

Chapter 2. Catalog enhancements

Chapter 3. IDCAMS enhancements

Chapter 4. Virtual Storage Access Method enhancements

Chapter 5. PDSE enhancements

Chapter 6. SMS enhancements

Chapter 7. DFSMSdfp enhancements

Chapter 8. DFSMSdss enhancements

Chapter 9. System Data Mover enhancements

Chapter 10. SMS exploiting hardware enhancements

Chapter 11. DFSMShsm enhancements

Chapter 12. DFSMSrmm enhancements

Appendix A. APARs to be reviewed for DFSMS V2.1

Appendix B. APARs to be reviewed for DFSMS V1.13 or DFSMS V1.12

Appendix C. Sample assembler code