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2023 Tuning Letters

Home Publications Cheryl Watson’s Tuning Letter Tables of Contents 2023 Tuning Letters

2023 No. 2 (112 pages)

Management Summary

  • Recovery at Scale
  • Real World z16 Capacity Experiences
  • IBM z/OS 3.1 Preview
  • IBM Mainframe Apprenticeship Customer Experience
  • User Experiences and Tips
  • News You Can Use

Recovery at Scale – Part 1

  • Failure Scenarios
  • Loss of Volume(s)
  • Accidental Deletion of Thousands of Data Sets
  • Deleted/Corrupted System Data Sets
  • Outsourced?
  • Testing
  • References
  • Summary

Real World Experiences with z16 Upgrades

  • Introduction
  • Comparison Methodology
  • Analysis of Delivered Capacity
  • Other Observations from the Metrics
  • Other z16 Upgrade Observations
  • References
  • Summary

What’s New in z/OS – 3.1 Preview Part 2

  • DFSMSdfp
    • Improved Support for ICF Catalog Recovery
    • New System Service to Access Cloud Data from z/OS
  • DFSMShsm Enhancements
  • SMS Enhancements
  • DFSMSrmm Enhancements
  • RMF Enhancements
  • z/OS Authorized Code Scanner and Code Monitor
  • z/OSMF Plugin for z Authorized Code Scanner
  • z/OS Workload Interaction Correlator
  • z/OS Change Tracker
  • z/OSMF
    • z/OS Management Services Catalog
  • USS
  • RACF
  • Communication Server
  • References
  • Summary

User Experiences and Tips

  • Using Sysplex Distributor to Help Test Changes
  • MODIFY CATALOG Command Alternative
  • ISPF Tip – ISRDDN
  • Helpful WebSphere on z/OS Hints and Tips
  • zIIPs Hints, Tips, and Latest News

Experiences With IBM’s zSystems Apprenticeship Program

  • Background
  • Post-selection
  • Current Status

News

  • Security Alerts and Fixes
  • IBM Moves Announcements to IBM Docs Website
    • Integration of Redbooks with IBM Docs Website
  • IBM Z Hardware Alerts
  • Red Alerts
  • Preparing for z16
  • Product ‘Compliance’ SMF Records
  • Recent APARs
  • Random Helpful Websites
    • Finding ‘Old’ Manuals
    • CICS and CICS-Related APAR Information
    • Omegamon and AIOps and Related Stuff
    • z/VM Service Information
  • News from IBM Techdocs
  • Conferences

Acknowledgments

Cheryl’s List Blog Posts

  • Blog Entries

 

2023 No. 1 (119 pages)

Management Summary

  • IBM z/OS 3.1 Preview
  • User Experiences and Tips
  • New Business Class z16 CPCs
  • Broadening Your SMF Horizons
  • Getting Up to Date on Erase-on-Scratch
  • News You Can Use

What’s New in z/OS – 3.1 Preview

  • High Level Introduction
  • z/OS Base
  • JES2
  • SDSF
  • References
  • Summary

User Experiences and Tips

  • CPENABLE Experiences
  • Syncsort and IBM zSort Accelerator
  • DFSORT Sort Accelerator Fix Available
  • Considerations for Licensing Linux-Based Products on z/OS
  • z/OSMF Guild
  • IBM ‘Ideas’ for Your Consideration

Introduction to z16 A02 and AGZ

  • Overview
  • New Functions
  • Rack Mount Model (AGZ) Considerations
  • z16 Business Class Relative Capacities
  • Hardware Differences Compared to z15 T02
  • z16 Business Class Model Upgrade Considerations
  • Statements of Direction
  • Prerequisites
  • References
  • Summary

Benefits of Analysis Across SMF Data Types

  • Introduction
  • Example 1: WLM and CICS
  • Example 2: Address Space and Db2 Accounting
  • Example 3: CICS and Db2
  • Example 4: MQ and CICS
  • References
  • Summary

Latest on Erase-on-Scratch and SSDs and the UNMAP Function

  • Considerations for Erase-on-Scratch
  • Prerequisites
  • References
  • Summary

News

  • IBM Z Hardware Alerts
  • Red Alerts
  • Preparing for z16
  • Recent APARs
  • News from IBM Techdocs
  • Conferences

Acknowledgments

Cheryl’s List Blog Posts

Blog Entries


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