Book description
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.
Table of contents
- Front cover
- Notices
- Preface
-
Chapter 1. DFSMS V2.1 release summary
- 1.1 DFSMS catalog enhancements
- 1.2 VSAM and VSAM RLS enhancements
- 1.3 PDSE enhancements
- 1.4 SMS enhancements
- 1.5 DFSMSdfp enhancements
- 1.6 DFSMSdss enhancements
- 1.7 DFSMShsm enhancements
- 1.8 DFSMSrmm enhancements
- 1.9 Advanced Copy Services enhancements
- 1.10 DADSM/CVAF enhancements
- 1.11 Object Access Method enhancements
-
Chapter 2. Catalog enhancements
- 2.1 Record Level Sharing support for catalog
- 2.2 Preparing to migrate to an RLS enabled ICF Catalog
- 2.3 Catalog maintenance considerations in RLS environment
- 2.4 Catalog contention detection enhancements
- 2.5 Catalog alias enhancements
- 2.6 Catalog parmlib member enhancements
- 2.7 Catalog DFSMS GDG enhancements
- 2.8 Catalog RNLs Health Check
- 2.9 MODIFY CATALOG,LIST enhancement
-
2.10 Improved catalog recovery features
- 2.10.1 F CATALOG,RECOVER,LOCK(ucat name)
- 2.10.2 F CATALOG,RECOVER,UNLOCK(ucat name)
- 2.10.3 F CATALOG,RECOVER,SUSPEND(ucat name)
- 2.10.4 F CATALOG,RECOVER,RESUME(ucat name)
- 2.10.5 Catalog define and delete parameters
- 2.10.6 Catalog forward recovery using new features
- 2.10.7 Catalog recovery using BCSRECOVER
- 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
- 11.1 Exploiting Storage Tiers in space management
- 11.2 Extend number of tape volumes for migrated or backed up data sets
- 11.3 Migration subtasking throughput enhancements
- 11.4 GDG support for PDSE
- 11.5 DFSMShsm Fast Replication enhancements
-
11.6 Reliability, availability, serviceability, and usability improvements
- 11.6.1 DFSMShsm no longer captures UCBs into below the 16-M line
- 11.6.2 Automatic recycle retry for a tape takeaway
- 11.6.3 Automatic recycle retry for a duplex error
- 11.6.4 QUERY ACTIVE(TCBADDRESS) command improvements
- 11.6.5 Enhance ARC0936I with catalog return and reason code
- 11.6.6 Update ARCHRCAL macro to use different TCB
- 11.6.7 SMSVSAM server termination handling
-
Chapter 12. DFSMSrmm enhancements
- 12.1 DFSMSrmm overview
- 12.2 SMS management class expiration attributes for tape
-
12.3 RETENTIONMETHOD(EXPDT) enhancements
- 12.3.1 Using LASTREF option
- 12.3.2 Using RETAINBY option
- 12.3.3 Using EDGUX100 exit to specifying the retention method to be used
- 12.3.4 Show new retention method settings
- 12.3.5 ADDDATASET and CHANGEDATASET subcommand enhancements
- 12.3.6 ADDVOLUME and CHANGEVOLUME subcommand enhancements
- 12.3.7 New REXX exec variables
- 12.3.8 Using RMM TSO subcommands with system REXX
-
12.4 Testing MCATTR and RETENTIONMETHOD settings
- 12.4.1 MCATTR(VRSELXDI) and RETENTIONMETHOD(VRSEL)
- 12.4.2 MCATTR(ALL) and RETENTIONMETHOD(VRSEL)
- 12.4.3 MCATTR(NONE) and RETENTIONMETHOD(VRSEL)
- 12.4.4 MCATTR(VRSELXDI) and RETENTIONMETHOD(EXPDT)
- 12.4.5 MCATTR(ALL) and RETENTIONMETHOD(EXPDT)
- 12.4.6 MCATTR(NONE) and RETENTIONMETHOD(EXPDT)
- 12.4.7 MCATTR(ALL) with RETENTIONMETHOD(EXPDT) and SMSACS(YES)
- 12.5 DFSMSrmm conversion support
- 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
- Related publications
- Back cover
-
IBM System x Reference Architecture for Hadoop: IBM InfoSphere BigInsights Reference Architecture
- Introduction
- Business problem and business value
- Reference architecture use
- Requirements
- InfoSphere BigInsights predefined configuration
- InfoSphere BigInsights HBase predefined configuration
- Deployment considerations
- Customizing the predefined configurations
- Predefined configuration bill of materials
- References
- The team who wrote this paper
- Now you can become a published author, too!
- Stay connected to IBM Redbooks
- Notices
Product information
- Title: IBM z/OS V2.1 DFSMS Technical Update
- Author(s):
- Release date: September 2014
- Publisher(s): IBM Redbooks
- ISBN: None
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