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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
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