IBM z/OS V2R2: Storage Management and Utilities

IBM z/OS V2R2: Storage Management and Utilities

Released December 2015
Publisher(s): IBM Redbooks
ISBN: 9780738441283

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Book description

This IBM® Redbooks® publication helps you to become familiar with the technical changes that were introduced into the Storage Management and Utilities areas with IBM z/OS V2R2.

This book is one of a series of IBM Redbooks that take a modular approach to providing information about the updates that are included with z/OS V2R2. This approach has the following goals:

- Provide modular content
- Group the technical changes into a topic
- Provide a more streamlined way of finding relevant information that is based on the topic

We hope you find this approach useful and we welcome your feedback.

Table of contents

  1. Front cover
  2. Notices
    1. Trademarks
  3. IBM Redbooks promotions
  4. Preface
    1. Authors
    2. Now you can become a published author, too!
    3. Comments welcome
    4. Stay connected to IBM Redbooks
  5. Chapter 1. DFSMSdfp
    1. 1.1 DFSMSdfp overview
    2. 1.2 DFSMSdfp enhancements
    3. 1.3 SMS space constraint relief enhancements
      1. 1.3.1 Space constraint relief for guaranteed space allocations
      2. 1.3.2 Space constraint relief for secondary allocation
      3. 1.3.3 New IGD17296I message
    4. 1.4 User-defined ACS read-only variable
    5. 1.5 SMS RAS enhancements
      1. 1.5.1 New information console message
      2. 1.5.2 Enhance SELECT/DESELECT command
      3. 1.5.3 Including data set name and storage name in ACS messages
      4. 1.5.4 Display Storage Groups in IGD17800I Message
      5. 1.5.5 Externalizing message IGD17364I to hardcopy log
      6. 1.5.6 Storage Group Space alert messages
    6. 1.6 SMF VTOC audit log
      1. 1.6.1 Changes in z/OS V2R2
    7. 1.7 Open/Close/End of Volume
      1. 1.7.1 Tape performance and recovery
      2. 1.7.2 Converting tape installation exits
      3. 1.7.3 DEVSUPxx enhancements
      4. 1.7.4 Adding JOBID and SYSPLEXID SMF 14 and 15 enhancements
      5. 1.7.5 Including above the line CSECTs in OCE in-core module table
      6. 1.7.6 Eliminating A13-18 while ensuring correct mount
  6. Chapter 2. DFSMShsm
    1. 2.1 DFSMShsm overview
      1. 2.1.1 Space management
      2. 2.1.2 Availability management
      3. 2.1.3 DFSMShsm enhancements
    2. 2.2 Classic Migration, Storage Tiers, and Data Migration
      1. 2.2.1 Classic Migration
      2. 2.2.2 Storage tiers
      3. 2.2.3 Data migration
    3. 2.3 ARCMDEXT support for transition
    4. 2.4 Fast Replication Patch non-DFSMShsm backup utility
    5. 2.5 Fast replication messaging in a consolidated log
    6. 2.6 DFSMShsm common dump queue
      1. 2.6.1 Sample implementation
      2. 2.6.2 Disconnecting from a Common Dump Queue
      3. 2.6.3 Changing the MS
      4. 2.6.4 Shutdown considerations
      5. 2.6.5 MS loss of connectivity considerations
      6. 2.6.6 Holding, releasing, and canceling Dump considerations
      7. 2.6.7 Altering Dump priority
      8. 2.6.8 Commands
    7. 2.7 Dump class definitions MINSTACK and MAXSTACK
    8. 2.8 Multiple copy pools onto the same tape
    9. 2.9 New UPDTCDS command
  7. Chapter 3. DFSMSrmm
    1. 3.1 DFMSMSrmm overview
    2. 3.2 WHILECATALOG attribute and EXPDT retention method
    3. 3.3 RAS DFSMSrmm enhancements
      1. 3.3.1 UXTABLE RETPD change
      2. 3.3.2 SEARCHVOLUME and SEARCHDATASET
      3. 3.3.3 CHANGEVOLUME and CHANGEDATASET
      4. 3.3.4 Use of expiration time
  8. Chapter 4. DFSORT
    1. 4.1 DFSORT overview
    2. 4.2 Functional enhancements
      1. 4.2.1 AGE function
      2. 4.2.2 WEEKNUM function
    3. 4.3 Use of zHPF
    4. 4.4 Message ICE099A update
    5. 4.5 Joinkey indicators in SMF data
  9. Chapter 5. Virtual Storage Access Method
    1. 5.1 VSAM overview
    2. 5.2 VSAM performance enhancements
      1. 5.2.1 Faster search for Access Method Block List
      2. 5.2.2 Chained I/O for spanned records
    3. 5.3 VSAM RAS enhancement
      1. 5.3.1 Support for DB2 greater than 2 M opened clusters
      2. 5.3.2 Message on all auto dumps
      3. 5.3.3 Improved recovery for EOV with non-SMS clusters
      4. 5.3.4 Dynamic Buffer Addition function
    4. 5.4 VSAM RLS enhancements
      1. 5.4.1 Index Record Locking
  10. Chapter 6. Catalogs and IDCAMS
    1. 6.1 Overview
    2. 6.2 Catalog RAS enhancements
      1. 6.2.1 Catalog modify command security enhancement
      2. 6.2.2 Catalog health check
      3. 6.2.3 LISTCAT statistics for catalogs
      4. 6.2.4 Restoring a catalog to Any Volume
      5. 6.2.5 Connecting multi-line Write To Operator (WTO)
      6. 6.2.6 New catalog search interface fields
    3. 6.3 IDCAMS enhancements
      1. 6.3.1 DIAGNOSE
      2. 6.3.2 PARM(TEST) command
      3. 6.3.3 REPRO MERGECAT command
      4. 6.3.4 TSO LISTCAT command
      5. 6.3.5 PRINT and REPRO commands
      6. 6.3.6 VERIFY RECOVER command
    4. 6.4 Generation Data Group enhancements
      1. 6.4.1 GDG extended
      2. 6.4.2 GDG SCRATCH Parmlib value
      3. 6.4.3 GDG PURGE keyword
  11. Related publications
    1. IBM Redbooks
    2. Other publications
    3. Help from IBM
  12. Back cover

Product information

  • Title: IBM z/OS V2R2: Storage Management and Utilities
  • Author(s):
  • Release date: December 2015
  • Publisher(s): IBM Redbooks
  • ISBN: 9780738441283