Contents

List of Examples

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Documentation Accessibility
• Related Documents
• Conventions

What's New?

1 Introduction

2 Starting the SMC

• Creating the SMC START Procedure
  • SMC EXEC Statement
    • Syntax
    • Parameters
  • SMCPARMS and SMCCMDS Data Sets
    • SMCCMDS
    • SMCPARMS
  • SMCLOG Data Set
  • SYSTCPD Data Set
• Executing the SMC START Procedure
  • MVS START Command
    • Syntax
    • Parameters

3 SMC and StorageTek TapePlex Management

• SMC and the Library Control Server
• Defining TapePlexes for SMC
• Using the SMC Client/Server Feature
  • Security Administration Considerations for Communication
  • Defining Server Paths
  • SMC Monitor Functions
  • Using the SMC HTTP Server Component
    • Starting and Stopping the SMC HTTP Server
    • Displaying SMC HTTP Server Status
    • Region Size Considerations with SMC HTTP Server UUI Requests
  • XAPI Security for Client/Server Communication
• XAPI Client Interface to ACSLS Server
• SMC Configuration Scenarios
  • Scenario 1: Single TapePlex with SMC and HSC on the Same Host
  • Scenario 2: Single TapePlex using the SMC Client/Server Feature
  • Scenario 3: Two TapePlexes Accessed by a Single SMC
  • Client/Server Drive Address Mapping
    • Scenario 1
    • Scenario 2
    • Scenario 3
    • Scenario 4
    • Scenario 5
  • SMC Drive Type Information Synchronization
  • Specifying Drive Type Information Using SMC UNITAttr Commands
    • Specifying SMC UNITAttr Commands for Inaccessible Devices
    • Specifying SMC UNITAttr Commands for Nonlibrary Devices
    • Specifying SMC UNITAttr Commands for Nonlibrary Devices with the Same Address as a TapePlex-Owned Device
    • Specifying SMC UNITAttr Commands for TapePlex-Owned Devices with the Same Address as Another TapePlex-Owned Device
      • Example
    • Specifying SMC UNITAttr Commands for Devices in TapePlexes that are Initialized After the SMC
  • SMC TapePlex Selection

4 Policy

• The SMC POLicy Command
• SMC Policy and Esoteric Preferencing
• SMC Policy at IDAX
  • SMC Esoteric Substitution at IDAX
• SMC Policy and the TAPEREQ Control Statement
  • Specifying TAPEREQ and Policy by Volume Serial
  • Example
• SMC DFSMS Processing
  • Enabling or Disabling the SMC DFSMS Interface
  • Tailoring the SMC DFSMS Interface
  • Defining StorageTek DFSMS ACS Routines to Specify MGMTCLAS
  • Invoking ACS Routines
    • JES2
    • JES3
    • ACS Routine Order
  • DFSMS Automatic Class Selection (ACS) Routine Environment for SMC
  • MGMTCLAS Routine Considerations
    • Availability of Read-only Variables
    • JES2
    • JES3
    • Validating DFSMS ACS Routine Execution

5 Allocation

• Drive Exclusion
  • Drive Exclusion - Specific Volumes
    • Example
  • Drive Exclusion - Scratch Volumes
    • Example - Real Scratch Volume
    • Example - Virtual Scratch Volume
• Affinity Separation
  • Affinity Head-Of-Chain
  • User Policy Influence on Affinity Separation
• Drive Prioritization
• Deferring Mounts
• SMC Allocation Exceptions
• SMC Allocation Processing - JES2 Operating System Hooks
  • SSI55 IDAX (Interpreter/Dynamic Allocation Exit)
  • SSI24 Common Allocation
  • SSI78 Tape Allocation
• SMC Allocation Processing - JES3 Considerations
  • SMC Allocation - JES3 Not Managing Drives
  • SMC Allocation - JES3 Managing Drives
  • SSI55 IDAX (Interpreter/Dynamic Allocation Exit)
  • JES3 Converter/Interpreter (C/I)
  • SSI23 JES3 Dynamic Allocation
  • JES3 Main Device Scheduler (MDS)
  • SSI24 Common Allocation
  • Esoteric Unit Name Replacement in JES3
  • Suppressing Fetch Messages in JES3
  • Drive Prioritization in JES3
  • JES3 Initialization Parameter Considerations
  • JES3 DEVICE Initialization Statements
  • JES3 SETNAME Initialization Statements
  • JES3 HWSNAME Initialization Statements
  • Esoteric Preferencing Considerations
  • Device Preferencing Considerations
  • ZEROSCR Considerations
  • SMC Normal Operations
  • JES3 Constraints
    • Timing Between C/I and MDS
    • JES3 High Watermark Setup and LSM Pass-Thru Processing

6 Message Handling

• User Directed Message Handling
• Message Handling Policies
  • MVS Policies
  • SMC Policies
• Tape Management System Support
• SMC Swap Processing
• HSC Mount-Related Messages
• Managing HSC Mounts from the SMC Client

7 Monitor Functions and Recovery Procedures

• Communications Monitoring
• Mount Monitor
• Recovery Procedures
  • Inactive TapePlex or Inactive SMC: Preventing Allocation Errors
  • Inactive TapePlex or Inactive SMC: Re-Driving Mounts
  • JES3 Global/Local Considerations
    • Inactive JES3 on a Local Processor
    • Inactive JES3 on a Global Processor
• SMC Recovery Procedures (JES2)
  • Inactive SMC - Active TapePlex
  • Active SMC - Inactive TapePlex
  • Automating Mount Requests for Inactive TapePlexes
  • Lost MVS Mount Requests for Active TapePlexes
• SMC Recovery Procedures (JES3)
  • Inactive SMC - Active TapePlex Subsystem
  • Active SMC - Inactive TapePlex
  • Inactive JES3 on a Local Processor
  • Inactive JES3 on a Global Processor
  • Automating Mount Requests for Inactive TapePlexes
  • Lost JES3 Mount Requests for Active TapePlexes
  • Lost MVS Mount Requests for Active TapePlexes

A Intercepted Messages

• IBM Operating System Messages
• JES3 Messages
• Tape Management System Messages
  • CA­1 Messages
  • CONTROL-M/TAPE (formerly CONTROL-T) Messages
  • DFSMSrmm Messages

B SMC Interaction with Other Software

• Automated Operations
• CA-MIA Tape Sharing
• CA1-RTS Real Time Stacking
• CA-Vtape
• Fault Analyzer for z/OS
• MVS Security Packages
• Open Type J
• SAMS: DISK (DMS)

Glossary

Index