Contents

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Prerequisites
• Documentation Accessibility

What's New?

1 Planning for HSC/VTCS Configuration

• How VSM Measures Sizes and Capacities
• Determining HSC/VTCS Configuration Values
  • Control Data Sets
  • Control Data Set Placement
  • Control Data Set Sharing
    • Sharing Requirements
    • Sharing Recommendations
    • Additional Recommendations When HSC Runs on an MVS Guest Under VM
    • Additional Recommendations When the CDS is Shared Between MVS and VM
  • Limiting CDS Access Privileges
  • Serializing CDSs
    • Set Utility Serialization
    • GRS Serialization
    • Multiple HSC TapePlex Considerations
      • Example
    • HSC CDS Performance and Sharing Tips
    • Unicenter CA-MIM/MII Considerations
    • GRS Considerations
    • When HSC RESERVEs Must Remain as RESERVEs (All Environments)
    • When You May Want to Leave HSC RESERVEs as RESERVEs
    • When HSC RESERVEs Must be Converted to Global Enqueues
    • How to Leave HSC RESERVEs as RESERVEs in a GRS Environment
    • How to Leave HSC RESERVEs as RESERVEs in an MIM/MII Environment
    • How to Convert HSC RESERVEs to Global Enqueues in a GRS Environment
    • How to Convert HSC RESERVEs to Global Enqueues in an MIM/MII Environment
  • CDS DASD Space Requirements
    • Calculating DASD Space Requirements for POOLPARM/VOLPARM
    • Calculating DASD Space Requirements for VTCS
    • Calculating DASD Space Requirements for VAULTVOL
    • Calculating DASD Space Requirements for CDKLOCK
  • CDS VTCS Level Requirements
    • Specifying Valid CDS Levels for VTCS 7.2
  • Using CDS Logging to Help Recover the CDS
  • Planning for LSMs
    • Placement of ACS Network Connections on Your Network
    • LSM Unit Address Requirements
    • LSM Pass-Thru Port (PTP) Relationships
    • Host-to-Host Communication Options
    • Calculating Cartridge Capacity - SL8500 and SL3000
    • Planning for the SL8500
  • Planning for Library-Attached Transports
    • Planning for Library-attached Transports as RTDs
  • Planning for Library Volumes
  • Guidelines for MVCs
    • VTCS Considerations to Correctly Specify MVC Media
      • Examples
    • Using the STORclas MEDIA Parameter for MVC Media Preferencing
  • Planning for VTSSs
  • Planning for VTDs
  • Planning for VTVs
  • Data Chaining a VTD Read Forward or Write Command

2 Planning VTCS Operating Policies

• Making CDS Logging Required
  • Usage Notes
  • Running IMPORT/EXPORT When Logging Required is Enabled
• Locked Resource Policy
• VTSS Policies
  • AMT Settings
    • Usage Notes
  • Deleting Scratched VTVs
    • Usage Notes
  • VTV Page Size
    • Usage Notes
  • Maximum VTV Size
    • Usage Notes
  • Maximum RTDs per VTSS
    • Usage Notes
    • RTD/CLINK Addresses - Maximum 32 RTDs
• General VTV Policies
  • Maximum VTVs per MVC
    • Usage Notes
  • Hosts Disabled from Migration, Consolidation, and Export by VTV or Management Class
    • Usage Notes
  • Recall VTVs with Read Data Checks
    • Usage Notes
  • Early Time to First Byte (ETTFB)
    • Usage Notes
  • VTV VOLSAFE Policy
    • Usage Notes
• VTV Migration Policies
  • Streamed/Stacked Migrates
    • Usage Notes
  • Minimum Residency Time before Automatic Migration Candidacy
    • Usage Notes
  • Maximum Residency Interval before Deletion
    • Usage Notes
  • Immediate Migration Delay Interval
    • Usage Notes
  • Maximum and Minimum Concurrent Migration Tasks
    • Usage Notes
  • Prioritizing Automatic and Immediate Migration Workloads
    • Usage Notes
  • Controlling Migration Workloads
    • Usage Notes
  • Conditionally Change Migration Preferencing/Depreferencing
    • Usage Notes
  • Dependent Immediate Migration
    • Usage Notes
  • Putting It All Together: VTV Migration Control Example for an Enterprise
    • Enabling the Remote and Local ACS Migrations
    • Migration Policies for a Vault Solution
    • Enabling the "Other Data" Migrations
• VTV Replication Policies
  • VTCS Replication - Always or Changed VTV Only
    • Usage Notes
  • VTCS Replication - Synchronous or Asynchronous
    • Usage Notes
• MVC Policies
  • Standard Reclaim Threshold - Determines MVC Eligibility for Reclamation (Requires Recall/Remigration)
    • Usage Notes
  • Dynamic Reclaim Threshold - No MVC Mount or VTV Recall/Remigration Occurs
    • What is Dynamic Reclaim?
    • Usage Notes
  • Dynamic Reclaim - Specifying VTV Data Movement
    • Usage Notes
  • VLE Reclaim Threshold - Determines VMVC Eligibility for Reclamation
    • Usage Notes
  • Free MVCs Threshold - Starts Automatic Space Reclamation
    • Usage Notes
  • Eligible/Total MVCs Threshold - Starts Automatic Space Reclamation
    • Usage Notes
  • Maximum MVCs Processed Per Reclaim
    • Usage Notes
  • Maximum MVCs Concurrently Processed for Reclamation and Drain
  • Hosts Disabled from Reclamation
    • Usage Notes
  • MVC Retain Interval
    • Usage Notes
  • MVC Mount Timeout Interval
  • Non-Library Resident MVC Policies
  • MVC Initialization on First Mount

3 Preparing for Configuration

• Defining A Security System User ID for HSC and VTCS
• Configuring MVS Device Numbers and Esoterics
  • Assigning MVS Device Numbers to VTDs and Library Drives
  • Assigning MVS Device Numbers to RTDs
• Setting the MVS Missing Interrupt Handler (MIH) Value

4 Configuring HSC

• Creating the HSC CDS
  • Coding the LIBGEN Macros
  • Running the SLICREAT Utility To Format the New CDS
  • Running the SLUADMIN CDSCREAT Utility to Create the CDS (Tapeless VSM Only)
  • Defining and Creating CDS Log Files
• Running Multiple HSC Tapeplexes on One LPAR (MULT Mode)
• Defining Volumes to ELS
  • Why Should You Use POOLPARM/VOLPARM?
  • Some Things to Consider with POOLPARM/VOLPARM
  • Defining Library Volumes
  • Defining Cleaning Cartridges
  • Defining MVCs
  • Defining VTVs
  • Validating and Applying the Volume Definitions
• Adding Definitions for ACF/VTAM Communications
• Defining the SYS1.PARMLIB Member SMFPRMxx
• Creating the HSC PARMLIB Member
  • EXECPARM Statement
    • Syntax
    • Parameters
• Defining Command Authority
• Updating HSM
• Creating and Cataloging the HSC Startup Procedure
  • Running Multiple HSC Tapeplexes on One LPAR (MULT Mode)
  • EXEC Statement
    • Syntax
    • Parameters
  • Sample HSC Startup Procedure
    • DD Statements for the HSC Startup Procedure
      • Specifying TCPIP Options
• Performance Considerations
  • Define Dispatching Priority for ELS Software
  • Reduce Pass­Thrus
  • Unavoidable Pass­Thrus
  • Unnecessary Pass­Thrus
  • Scheduled Pass­Thrus
  • Methods to Reduce Pass­Thru Activity
  • Reduce Operator Intervention
  • Reduce Scheduling Contention

5 Reconfiguring a TapePlex

• When Do You Need to Reconfigure Your TapePlex?
• The MERGEcds Utility
  • Basic MERGEcds Procedure
    • Create a New, Empty CDS
    • Prepare to Run MERGEcds
    • Run the MERGEcds Utility
    • Ensure the Merge was Successful
  • Consolidating Two Data Centers
  • Combining Two Separate ACSs into One ACS
  • Combining Two Separate Streamline Libraries
    • Configurations for ACSs Numbered Right to Left
    • Configurations for ACSs Numbered Left to Right
      • SLSMERGE Statements - ACSs Numbered Right to Left
      • SLSMERGE Statements - ACSs Numbered Left to Right
  • Removing PTPs and Splitting an ACS Using MERGEcds
  • Renaming a VTSS
  • Removing Vaulted Volume Information
• Reconfiguring a Tapeplex Without MERGEcds
  • Using Dynamic Reconfiguration
    • Adding LSMs
    • Dynamically Reconfiguring Streamline Library Transports
    • Adding Transports
    • Removing Transports
    • Replacing Transports
    • Changing Transport Unit Addresses
    • Adding SL8500 or SL3000 ACSs
    • Deleting an SL8500 or SL3000 ACS
    • Adding and Removing SL8500 or SL3000 Expansion Modules
    • Changing SL8500 CAP Types - HSC Down
    • Changing SL8500 CAP Types - HSC Up
  • Using Audit Instead of MERGEcds for Streamline Libraries
• Adding a New VTSS
• HSC SET VAULTVOL and SET VAULT Utilities
• HSC SET CDKLOCK Utility
• Partitioning Streamline Libraries
  • Partitioning Requirements and Prerequisites
  • Restrictions
  • CAP Considerations
  • LibraryStation Considerations
  • Definitions
    • Host Group
    • SL8500 Enhanced Partition
    • SL3000 Partition
  • Partitioning Procedures
    • Starting from Scratch – LIBGEN, SLICREAT
    • Converting a Non-partitioned Library to a Partitioned Library
    • Converting a Partitioned Library to a Non-partitioned Library
    • Adding a Library to the HSC Complex
    • Removing a Library from the HSC Complex
    • Adding a Partition to the Library
    • Removing a Partition from the Library
    • Moving a Partition from One Host Group to another Host Group
    • Adding Resources to a Library
    • Removing Resources from a Library
    • Changing the CAP State for Bulk CAP - HSC Down
    • Changing the CAP State for Bulk CAP - HSC Up
    • Varying the ACS Online After a Configuration Change

6 Configuring VTCS

• Building a Simple CONFIG Deck
  • To Build a Simple CONFIG Deck:
• Updating the Tape Management System for VSM
• Defining MVC Pool Volser Authority
• Storing VTCS Locks in a Coupling Facility (Optional)
  • When to Implement VTCS Locks
  • Requirements
  • Sizing the Coupling Facility Structure
  • Defining the Coupling Facility Structure to MVS
  • Reverting to Storing VTCS Lock Data in the CDS
  • Managing Failures/Unavailability of the VTCS lock structure
  • Managing Notification of Resource Contention
• Configuring VTCS for 512 VTD Support
  • Enabling 512 VTD Support
  • Updating or Disabling 512 VTD Support

7 Starting and Stopping HSC

• Starting HSC
  • HSC Startup Scenarios
    • IPLing the System
    • Preinitializing HSC as an MVS Subsystem
    • Starting HSC with PARM=’INIT'
    • Initializing HSC Under the Master Subsystem
    • Starting HSC As a Subsystem
    • Specifying the HSC Service Level at Startup
    • Starting the HSC Behavior Change
  • Configuration Mismatches
• Stopping HSC

A HSC LIBGEN Macros

• SLIACS
  • Syntax
  • Parameters
• SLIALIST
  • Syntax
  • Parameters
• SLIDLIST
  • Syntax
  • Parameters
• SLIDRIVS
  • Syntax
  • Parameters
• SLIENDGN
  • Syntax
  • Parameters
• SLILIBRY
  • Syntax
  • Parameters
• SLILSM
  • Syntax
  • Parameters
• SLIRCVRY
  • Syntax
  • Parameters
• SLISTATN
  • Syntax
  • Parameters

B LIBGEN Macro Samples

• One Host, Two ACSs, One 9310 LSM, One SL8500 Library Configuration
• Four Host, Two ACSs, Two SL8500 Libraries Configuration
• Three Host, Three ACSs, Two SL8500 Libraries, One SL3000 Library Configuration
• Three Host, Two ACSs, Two SL3000 Libraries Configuration
• One Host, One ACS, One 9310 LSM, Dual LMU Configuration
• Two Host, One ACS, Two 9310 LSM Configuration

C Special Cases: Advanced Uses of CONFIG

• CONFIG Example: All Hosts Access VTDs in One VTSS, Only Selected Hosts Access VTDs in Second VTSS
• CONFIG Example: Update Configuration to Add RTDs
• CONFIG Example: Update Configuration to Add MVCs and VTVs and Change AMTs
• CONFIG Example: Denying Host Access to a Physically Removed VTSS
• CONFIG Examples: Using the Maximum 32 RTDs Feature
  • Implementing Support for Maximum of 32 RTDs

D Configuring SL8500 Library Communications

• TCP/IP Communications - Important Considerations
  • SL8500 TCP/IP Connections
  • Shared Networks
• Dual IP Connections
  • Two SL8500 Network Connections - Two Mainframe IP Addresses
  • Sample Configuration - Two Dedicated Routes
    • Setup Statements and Displays
      • HSC LMUPDEF PARMLIB Member
      • TCP/IP Profile Data Set
      • TCP/IP Console Displays
      • HSC Display Showing SL8500 Connection
  • Two SL8500 Network Connections - One Mainframe IP Address
  • Sample Configuration - One Host IP, Two SL8500 Network Connections
    • Setup Statements and Displays
      • HSC LMUPDEF PARMLIB Member
      • TCP/IP Profile Data Set
      • TCP/IP Console Displays
      • HSC Display Showing SL8500 Connection
• Multiple SL8500 Library Connections
  • Connecting to Multiple SL8500 Libraries in an ACS
  • Sample Configuration - Four SL8500 Network Connections, Four Mainframe IP Addresses
• Powering Down the SL8500 - HSC Requirements
• Multiple TCP/IP Redundant Electronics
  • Sample Configuration #1 - One SL8500 Network Single Redundant Pair Connections, Four Mainframe IP Addresses
  • Sample Configuration #2 - One SL8500 Network Dual Redundant Pair Connections, Four Mainframe IP Addresses
  • Sample Configuration #3 - One SL8500 Network Dual Redundant Pair and 2 Dual TCP/IP Connections, Four Mainframe IP Addresses
• Troubleshooting Library Connectivity Problems
  • Basic Tracing
  • Packet Tracing

E Configuring SL3000 Library Communications

• TCP/IP Communications - Important Considerations
  • Shared Networks
• SL3000 Dual IP Connections
  • Two SL3000 Network Connections - Two Mainframe IP Addresses
  • Sample Configuration - Two Dedicated Routes
    • Setup Statements and Displays
      • HSC LMUPDEF PARMLIB Member
      • TCP/IP Profile Data Set
      • TCP/IP Console Displays
      • HSC Display Showing SL3000 Connection
  • Two SL3000 Network Connections - One Mainframe IP Address
  • Sample Configuration - One Host IP, Two SL3000 Network Connections
    • Setup Statements and Displays
      • HSC LMUPDEF PARMLIB Member
      • TCP/IP Profile Data Set
      • TCP/IP Console Displays
      • HSC Display Showing SL3000 Connection
• Troubleshooting Library Connectivity Problems

F VSM4 ESCON Configuration

• VSM4 with 32 Ports
  • VSM4 Configuration Examples - 32 Ports
    • VSM4 Configuration Example: 16 Host Ports, 16 RTD Ports
      • CONFIG Example for VSM4 with 16 Host Ports, 16 RTD Ports
    • VSM 4 Configuration Example: 20 Host Ports, 12 RTD Ports
      • CONFIG Example for VSM4 with 20 Host Ports, 12 RTD Ports
• VSM4 with 16 Ports
  • VSM4 Configuration Examples - 16 Ports
    • VSM4 Configuration Example: 8 Host Ports, 8 RTD Ports
      • CONFIG Example for VSM4 with 8 Host Ports, 8 RTD Ports
      • VSM 4 Configuration Example: 10 Host Ports, 6 RTD Ports
      • CONFIG Example for VSM4 with 10 Host Ports, 6 RTD Ports
• IOCP Example for Single MVS Host Connected to a VSM4 Using ESCON Directors
  • Logical Paths for VSM 4 with 32 Ports

G VSM4 FICON Front-End and Back-End Configuration

• VSM4 FICON VCF Card Options
  • FICON/ESCON Best Practices
• VSM4 FICON Front-End and Back-End Configuration Examples
  • VSM4 Configuration Example: 8 VCF Cards, FICON Directors, 16 RTDs
    • CONFIG Example for VSM4 FICON with 8 VCF Cards, FICON Directors, 16 RTDs
  • VSM4 Configuration Example: 8 VCF Cards, 4 CLINKs, FICON Directors for 8 RTDs
    • CONFIG Example for Bi-Directional Clustered VSM4 FICON Back-End
• IOCP Example for Single MVS Host Connected to a VSM4 Using FICON Directors

H VSM5 FICON Configuration

• VSM5 FICON VCF Card Options - Maximum 16 RTDs
• VSM5 FICON VCF Card Options - Maximum 32 RTDs
• FICON Port Processing
• FICON Port Operations Best Practices
• VSM5 FICON Front-End and Back-End Configuration Examples
  • Implementing Support for Maximum of 32 RTDs
  • VSM5 Configuration Example: 8 VCF Cards, FICON Directors, 32 RTDs
    • CONFIG Example for VSM5 FICON with 8 VCF Cards, FICON Directors, 32 RTDs
    • VSM5 DOP Panels for Maximum 32 RTDs
      • Channel Configuration Status Screen
      • Channel Configuration and RTD Path Validation Screen
      • Real Tape Drive Status Screen
  • IOCP Example for Single MVS Host Connected to a VSM5 Using FICON Directors

I VSM5 ESCON/FICON Configurations

• VSM5 ICE/VCF Card Options
• VSM5 Configuration Example: 8 ICE Cards, 16 Host Ports, 16 RTD Ports
  • CONFIG Example for VSM5 with 16 Host Ports, 16 RTD Ports
• IOCP Example for Single MVS Host Connected to a VSM5 Using ESCON Directors

J VSM5 New Models

K VSM 6/VSM 7 Configuration

• Reconfiguring VTCS
• Configuration Examples for Single MVS Host Connected to a VSM 6/VSM 7 Using FICON Directors
  • IOCP Example
  • Using HCD to Define a VSM 6/VSM 7
    • Define the FICON Channels
    • Define the VSM 6/VSM 7 As Sixteen 3490 Images and Connect Them to the FICON Channels
    • Define 16 VTDs for Each Control Unit

L Tapeless VSM

• How Does Tapeless VSM Work?
• Tapeless VSM Example
  • Configuring the System
  • Defining Policies
  • Using CTR in ”Tapeless” and ”With Tape” Environments
• LIBGEN Example for Tapeless ACS

M Running the oVTCS CDS Database Server

Glossary

Index