Contents

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Prerequisites
• Documentation Accessibility
• About This Book

What's New?

1 The Toolkit(s)

• The HSC Toolkit
• The VTCS Toolkit

2 Managing the CDS

• Backing Up the CDS
  • Frequency of Backup
  • Using PITCOPY to back up the CDS
  • Using the BACKup Utility to Back Up the CDS
• Managing CDS Logging
  • Periodically Offloading Log Files
  • Expanding or Reallocating Log Files
• Manually Switching to Another CDS Copy
• Expanding the CDS
• Rotating the CDSs
• Renaming a CDS
  • Renaming a CDS Using the CDS Disable and Enable Commands
• Relocating a CDS
  • Relocating an Uncataloged CDS Copy
• Swapping a CDS
• Restoring the CDS
  • Restoring the CDS from a Backup Copy

3 Managing a TapePlex

• Managing Library Hardware
  • Managing ACSs
  • Managing SL8500 Redundant Electronics
    • Dual Library Controller Configuration
    • SL8500 Redundant Electronics Environment
    • SL8500 LC Operation
      • Displaying ACS Status
      • Redundant LC Operational Overview
      • LC Switch Overview
      • Consequences of an LC Switch
      • Automatic LC Switch
      • Operator Initiated LC Switch
      • CAP Manual Recovery
      • A switch occurs when an Enter function is active
      • A switch occurs when an Eject function is active
      • A switch occurs when CAPs are set to automatic mode
  • Managing CAPs
  • Defining Manual RTDs
• Protecting Tape Data
  • Protecting Native Tape Data
  • Protecting VTV Data
  • Protecting MVC Data
• Managing Library Volumes
  • Using a Volume Report
    • Errant and Selected Volumes
    • Unmatched VOLPARM and External Label Status
    • Volumes not included in VOLPARM
    • Managing Scratch Subpools
    • Using a VOLRPT to Track Cleaning Cartridge Usage
  • Optimizing Mount Performance
  • Using Volume Access Security
    • RACF Attributes
    • Write Once/Read Many (WORM) Support
  • Managing Scratch Volumes
    • Adding Scratch Volumes
      • Defining Nearline Volumes
    • Populating a New LSM
      • Adding Volumes to An Existing LSM
      • Entering Cartridges
  • Ejecting Volumes
    • Ejecting Scratch Volumes
• Managing Cleaning Cartridges
  • Cleaning Cartridge Selection
  • Ejecting Cleaning Cartridges
    • Manually Ejecting Used Cleaning Cartridges
• Solving Problems
  • Recovering Errant Cartridges
  • Entering Duplicate And Unreadable VOLSERS
    • Entering Duplicate Volumes
    • Entering Cartridges With Missing or Unreadable External Labels
  • Clearing Recovery Status On A CAP
  • Freeing An Allocated CAP
  • Restoring Host­To­Host Communications Services
  • Resolving Possible Lost Mount Requests
  • Resolving Lost Mount Responses (ORH)
    • Overdue Response Handler
    • Operator Response Required For Mount, Dismount, Move, and Swap
  • Using Software Diagnostics

4 Using the VTCS Dashboard

• Checking Virtual Tape Status (Daily)
  • To check Virtual Tape status:
• Checking Nearline Tape Status (Daily)
  • To check Nearline Tape status:
• Looking at the Big Picture (Weekly)
  • Using the VTV Report
• Using the MVC Report
• In Summary

5 Working the VTCS Must Do (Sometime) Chores List

• Doing Demand Space Reclamations, Migrations, and Recalls
  • Doing Demand MVC Space Reclamations
  • Doing Demand VTV Migrations
  • Doing Demand VTV Recalls
• Working with RTDs
  • Changing RTD Device Types
• Working with MVCs
  • Adding MVCs
  • Defining VTVs
  • Validating and Applying the Volume Definitions
  • Removing MVCs from the Pool
    • Permanently Removing MVCs
    • Temporarily Removing MVCs
  • Draining MVCs
  • Changing MVC Attributes with MVCMAINT
  • Verifying MVCs or VMVCs
    • Performing MV for a Single VMVC
    • Performing MV by MVC Pool
    • Performing MV by MVC Volser
    • Performing MV by Storage Class
• Working with VTSSs
  • Quiescing a VTSS for Service
  • Removing a VTSS
• Working with VTVs
  • Deleting Scratch VTVs
    • DELTSCR JCL Example
  • Changing VTV Attributes with VTVMAINT
    • Changing VTV Management Class and Unlinking VTVs from MVCs
    • Logically Dismounting VTVs in an Offline VTSS
    • Managing VTVs Replicated Through Cross-TapePlex Replication (CTR)
  • Changing VTV Storage Class with RECONcil
    • Running a RECONcil Job
  • Using FOR_LOSTMVC to Recover VTVs
    • FOR_LOSTMVC Recovery Procedure

6 Leading Edge Solutions with Management and Storage Classes

• What are Management and Storage Classes?
• Creating and Using VTCS Management and Storage Classes: The Basics
  • To create and use VSM Management and Storage Classes:
  • Maintaining Management and Storage Classes
• Leading Edge Techniques You Can Do with Management and Storage Classes
  • Grouping Multiple Workloads on Shared MVCs
  • Segregating Individual Workloads on Separate Sets of MVCs
  • Archiving Data
    • Archive Usage Notes
  • Reconciling VTV Media and Location
    • RECONcil Example
    • RECONcil Usage Notes
• Named MVC Pools or Not?
  • Creating and Using Named MVC Pools

7 Finding and Fixing VTCS Problems

• Fixing Common Problems
  • Poor VTV Mount Performance
  • Poor Migration Performance
  • Migration Failures
    • Messages Enhancements
    • Display STORCLas
    • Enhanced MVC Pool Validation
    • Enhanced Storage Class Validation
  • RTD/MVC Failures
    • Is it a Bad MVC?
    • Recovering an MVC with a Data Check
• Using the RTV Utility
  • What the RTV Utility Can Recover
    • Security Considerations
  • JCL Examples
    • Listing the VTVs on an MVC
    • Converting a Single VTV by Specifying Its Volser
    • Converting a Single VTV by Specifying Its Volser and Block ID

A LCM Control Statements

Index