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Chapter 10. TS7700 Management Interface operations: Part 2
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Chapter 10. TS7700 Management Interface operations: Part 2
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IBM TS7700 Release 5.1 Guide
Front cover
Notices
Trademarks
Preface
Summary of contents
Authors
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Summary of changes
May 2021, Second Edition R5.1
September 2020, First Edition R5.0 (minor update)
March 2020, First Edition R5.0
April 2019, Third Edition R4.2
August 2018, Second Edition R4.1 through R4.1.2 update
May 2018, Second Edition R4.1 through R4.1.2 update
April 2017, First Edition minor update
Part 1 Architecture and planning
Chapter 1. Introducing the IBM TS7700
1.1 Overview
1.2 New capabilities
1.3 Storage virtualization concepts
1.4 Benefits of tape virtualization
Chapter 2. Architecture, components, and functional characteristics
2.1 TS7700 architecture
2.1.1 Monolithic design of an exiting IBM Virtual Tape Server
2.1.2 Modular design of the TS7700
2.1.3 Previous Peer-to-Peer Virtual Tape Server design
2.1.4 Principles of grid design
2.1.5 TS7700 Models
2.1.6 Introduction of the TS7700T
2.1.7 Introduction of the TS7700C
2.1.8 Management of the TS7700
2.2 Stand-alone cluster: Components, functions, and features
2.2.1 Views from the Host: Library IDs
2.2.2 Tape Volume Cache
2.2.3 Virtual volumes and logical volumes
2.2.4 Logical volumes and compression
2.2.5 Mounting a scratch virtual volume
2.2.6 Mounting a specific virtual volume
2.2.7 Logical WORM support and characteristics
2.2.8 Virtual drives
2.2.9 Selective Device Access Control
2.2.10 Physical drives
2.2.11 Stacked volumes behind the TS7700T
2.2.12 Selective Dual Copy function for TS7700T
2.3 General TVC management in a stand-alone cluster
2.3.1 Basic Rules for TVC Management
2.3.2 Scratched virtual volumes and the Delete Expire function
2.3.3 Resident-only TVC cache management
2.3.4 Premigration of CPx TVC content
2.3.5 Removing or Migrating CPx content
2.3.6 Recalling volumes into CPx
2.3.7 TVC handling in outage situations
2.3.8 Copy Consistency Point: Copy policy modes in a stand-alone cluster
2.3.9 TVC selection in a stand-alone cluster
2.3.10 TVC encryption
2.3.11 TS7700T Physical volume pools
2.3.12 Logical and stacked volume management
2.3.13 Secure Data Erase function
2.3.14 Copy Export function
2.3.15 Cloud export function
2.3.16 Encryption of physical tapes
2.3.17 User Management: Roles and profiles
2.3.18 Security identification by using Lightweight Directory Access Protocol
2.3.19 Grid Resiliency functions
2.3.20 Service preparation mode
2.3.21 Service mode
2.3.22 Control Unit Initiated Reconfiguration
2.4 Multi-cluster grid configurations: Components, functions, and features
2.4.1 Rules in a multi-cluster grid
2.4.2 Required grid hardware
2.4.3 Data integrity by volume ownership
2.4.4 I/O Tape Volume Cache selection
2.4.5 Copy consistency points
2.4.6 Cluster family concept
2.4.7 Override settings concept
2.4.8 Host view of a multi-cluster grid and Library IDs
2.4.9 Tape Volume Cache
2.4.10 Virtual volumes and logical volumes
2.4.11 Mounting a scratch volume through specific clusters
2.4.12 Mounting a specific virtual volume
2.4.13 Logical WORM support and characteristics
2.4.14 Virtual drives
2.4.15 Allocation assistance
2.4.16 Selective Device Access Control
2.4.17 Physical drives
2.4.18 Stacked volumes
2.4.19 Selective Dual Copy function
2.4.20 General TVC management in multi-cluster grids
2.4.21 Expired virtual volumes and the Delete Expired function
2.4.22 TVC management for TS7700T/TS7700C CPx in a multi-cluster grid
2.4.23 TVC management for disk-only TS7700 clusters in a multi-cluster grid
2.4.24 TVC management processes in a multi-cluster grid
2.4.25 Copy Consistency Points: Copy policy modes in a multi-cluster grid
2.4.26 TVC (I/O) selection in a multi-cluster grid
2.4.27 Remote (cross) cluster mounts
2.4.28 TVC encryption
2.4.29 Logical and stacked volume management
2.4.30 Secure Data Erase
2.4.31 Copy Export
2.4.32 Encryption of physical tapes
2.4.33 Autonomic Ownership Takeover Manager
2.4.34 Selective Write Protect for DR testing
2.4.35 FlashCopy for DR testing
2.4.36 Grid resiliency functions
2.4.37 Service preparation mode
2.4.38 Service mode
2.4.39 Control Unit Initiated Reconfiguration
2.5 Grid configuration examples
2.5.1 Homogeneous versus hybrid grid configuration
2.5.2 Planning for high availability or DR in limited distances
2.5.3 DR capabilities in a remote data center
2.5.4 Configuration examples
Chapter 3. IBM TS7700 usage considerations
3.1 Introduction
3.1.1 History overview
3.1.2 Today’s businesses challenges
3.1.3 Challenges of technology progress
3.2 Gather your business requirements
3.2.1 Requirement types
3.2.2 Environment: Source of data
3.2.3 Backup data, active data, and archive data
3.2.4 IBM DB2 archive log handling
3.2.5 DFSMShsm Migration Level 2
3.2.6 Object access method: Object processing
3.2.7 Batch processing: Active data
3.2.8 Data type and cache control
3.3 Features and functions for all TS7700 models
3.3.1 Three TS7700 models: Disk, tape, and cloud
3.3.2 Stand-alone versus grid environments
3.3.3 Sharing a TS7700
3.3.4 Tape Volume Cache selection
3.3.5 Copy Consistency policy
3.3.6 Synchronous mode copy
3.3.7 Override policies
3.3.8 Cluster family
3.3.9 Logical Volume Delete Expire Processing versus previous implementations
3.3.10 Software compression (LZ4 and ZSTD)
3.3.11 Encryption
3.3.12 z/OS Allocation with multiple grids that are connected to a single host
3.3.13 z/OS Allocation assistance inside a grid
3.3.14 25 GB logical volumes
3.3.15 Grid resiliency function: “Remote†fence
3.3.16 Control Unit Initiated Reconfiguration
3.4 Features and functions available only for the TS7700T and TS7700C
3.5 Operation aspects: Monitoring and alerting
3.5.1 Message handling
3.5.2 Regularly scheduled performance monitoring
3.5.3 Optional checks
3.6 Choosing a migration method
3.6.1 Host-based migration
3.6.2 TS7700 internal data migration
3.6.3 Tape drive technology behind a TS7700
Chapter 4. Preinstallation planning and sizing
4.1 Hardware installation and infrastructure planning
4.1.1 System requirements
4.1.2 TS7700 specific limitations
4.1.3 TCP/IP configuration considerations
4.1.4 Factors that affect performance at a distance
4.1.5 Host attachments
4.1.6 Planning for LDAP for user authentication in your TS7700 subsystem
4.1.7 Cluster time coordination
4.2 Planning for a grid operation
4.2.1 Autonomic Ownership Takeover Manager considerations
4.2.2 Defining grid copy mode control
4.2.3 Defining scratch mount candidates
4.2.4 Retain Copy mode
4.2.5 Defining cluster families
4.2.6 TS7700 cache thresholds and removal policies
4.2.7 Data management settings (TS7700T CPx in a multi-cluster grid)
4.2.8 High availability considerations
4.2.9 Planning for cloud operation
4.3 Planning for software implementation
4.3.1 Host configuration definition
4.3.2 Software requirements
4.3.3 System-managed storage tape environments
4.3.4 Sharing and partitioning considerations
4.3.5 Library Manager Category Usage Considerations
4.3.6 Sharing the TS7700 by multiple hosts
4.3.7 Partitioning the TS7700 between multiple hosts
4.3.8 Logical path considerations
4.3.9 Secure Data Transfer
4.3.10 MI dual control
4.4 Planning for logical and physical volumes
4.4.1 Volume serial numbering
4.4.2 Virtual volumes
4.4.3 Logical WORM
4.4.4 Physical volumes for TS7700T
4.4.5 Data compression
4.4.6 Secure Data Erase function
4.4.7 Planning for tape encryption in a TS7700T
4.4.8 Planning for cache disk encryption in the TS7700
4.5 Tape analysis and sizing the TS7700
4.5.1 IBM tape tools
4.5.2 BatchMagic
4.5.3 Workload considerations
4.5.4 Education and training
4.5.5 Implementation services
Chapter 5. Disaster recovery
5.1 TS7700 DR principles
5.1.1 Data availability
5.1.2 Deferred Copy Queue
5.1.3 Volume ownership
5.2 Failover scenarios
5.3 Planning for DR
5.3.1 DR site connectivity IODF considerations
5.3.2 Grid configuration
5.3.3 Planning guidelines
5.4 High availability and DR configurations
5.4.1 Example grid configurations
5.4.2 Restoring the host and library environments
5.5 DR testing
5.6 A real disaster
5.7 Geographically Dispersed Parallel Sysplex for z/OS
5.7.1 Geographically Dispersed Parallel Sysplex considerations in a TS7700 grid configuration
5.7.2 Geographically Dispersed Parallel Sysplex functions for the TS7700
5.7.3 Geographically Dispersed Parallel Sysplex implementation
Part 2 Implementation and migration
Chapter 6. IBM TS7700 implementation
6.1 Setting up the TS7700
6.1.1 TS4500/TS3500 tape library definitions
6.1.2 Definitions for TS7700T
6.1.3 Defining cache partitions
6.1.4 TS7700 definitions
6.1.5 Cloud Tier Settings (TS7700C only)
6.1.6 Defining fence actions
6.2 Hardware configuration definition
6.2.1 Defining devices through HCD
6.2.2 Activating the I/O configuration
6.2.3 Setting values for the Missing Interrupt Handler
6.3 TS7700 software definitions
6.3.1 Defining the TS7700 in a z/OS SMStape environment
Chapter 8. Migration
8.1 Migration to a TS7700
8.1.1 Host-based migration
8.1.2 Tape-based migration
8.2 Migration between TS7700s
8.2.1 Frame replacement migration for TS7700T
8.2.2 Join and Copy Refresh processing
8.2.3 Migration service offering
8.2.4 Copy Export and Copy Export Recovery/Merge
8.2.5 Grid-to-Grid Migration tool
8.2.6 Cloud-based migration
8.3 Moving data for host-based migration
8.3.1 Phased method of moving data
8.3.2 Quick method of moving data
8.3.3 Products to simplify the task
8.3.4 Combining methods to move data into the TS7700
8.4 Moving data out of the TS7700
8.4.1 Host-based copy tools
8.4.2 Copy Export and Copy Export Recovery/Merge
8.4.3 Cloud Export and Recovery
8.4.4 DFSMShsm aggregate backup and recovery support
8.5 Migrating DFSMShsm-managed data
8.5.1 Volume and data set sizes
8.5.2 TS7700 implementation considerations
8.5.3 DFSMShsm task-related considerations
8.6 DFSMSrmm and other tape management systems
8.7 IBM Spectrum Protect
8.7.1 Native or virtual drives
8.7.2 IBM Tivoli Storage Manager parameter settings
8.8 DFSMSdss
8.8.1 Full volume dumps
8.8.2 Stand-Alone Services
8.9 Object access method
8.10 Database backups
8.10.1 DB2 data
8.10.2 CICS and IMS
8.10.3 Batch data
Part 3 Operations
Chapter 9. TS7700 Management Interface operations: Part 1
9.1 User interfaces
9.2 Tape library management GUI
9.3 TS7700 Management Interface
9.3.1 Connecting to the Management Interface
9.3.2 Using the TS7700 management interface
9.4 Systems icon
9.5 Monitor icon
9.6 Performance
9.7 Virtual icon
Chapter 10. TS7700 Management Interface operations: Part 2
10.1 Physical icon
10.2 Constructs icon
10.3 Access icon
10.4 Settings icon
10.5 Service icon
Chapter 11. TS7700 common operations and procedures
11.1 Call Home and Electronic Customer Care
11.1.1 Electronic Customer Care
11.1.2 Assist On-site
11.2 Common procedures
11.2.1 Tape library with the TS7700T cluster
11.2.2 TS7700 definitions
11.2.3 TS7700 multi-cluster definitions
11.3 Basic operations
11.3.1 Clock and time setting
11.3.2 Physical Tape Library paused or degraded
11.3.3 Preparing a TS7700 for service
11.3.4 Tape Library inventory
11.3.5 Inventory upload
11.4 Cluster intervention scenarios
11.4.1 Hardware conditions
11.4.2 Ownership takeover interventions
Chapter 13. Monitoring
13.1 Overview
13.2 Base information: Types of statistical records
13.2.1 Point-in-time statistics
13.2.2 Historical statistics
13.3 Web-based Monitoring method
13.3.1 TS7700 Management Interface: Performance page
13.3.2 TS7700 Management Interface: Other windows
13.3.3 TS4500 Management GUI
13.3.4 TS3500 Tape Library Specialist
13.4 Bulk Volume Information Retrieval
13.4.1 BVIR overview
13.4.2 BVIR Prerequisites
13.4.3 BVIR Request data format
13.4.4 BVIR Response data format
13.4.5 BVIR Response data
13.5 IBM Tape Tools
13.5.1 IBM Tape Tools overview
13.5.2 IBM Tape Tools installation
13.5.3 VEHSTATS tool overview
13.5.4 Running the VEHSTATS jobs
13.5.5 VEHSTATS reports
13.5.6 Performance evaluation tool for VEHSTATS reports
13.5.7 VEHGRXCL tool overview
13.5.8 VEHAUDIT tool overview
13.5.9 The Other IBM Tape Tools
13.6 Host Console Request Commands for monitoring
13.6.1 LI REQ,distlib,CACHE2
13.6.2 LI REQ,complib,STATUS,GRID
13.6.3 LI REQ,distlib,STATUS,GRIDLINK
13.6.4 LI REQ,distlib,STATUS,GRLNKACT
13.6.5 LI REQ,distlib,PDRIVE
13.6.6 LI REQ,{complib | distlib},DIAGDATA
13.7 IBM z/OS commands for monitoring
13.7.1 DISPLAY SMS command
13.7.2 LIBRARY command
13.7.3 DEVSERV command
13.8 Alerts and exception and message handling
13.8.1 Alerting of specific events
13.8.2 Handling Replication Exceptions
Chapter 14. Performance considerations
14.1 Overview
14.2 TS7700 performance characteristics
14.3 Basic performance overview
14.3.1 TS7700 components and task distribution
14.3.2 Grid considerations and replication modes
14.3.3 Workload profile from your hosts
14.3.4 Lifecycle Management of your data
14.3.5 Parameters and customization of the TS7700
14.3.6 Throughput terminology
14.3.7 Throttling in the TS7700
14.3.8 Compression methods
14.3.9 Internal SSD/HDD drives for TS7700 engine
14.4 TS7700 throughput: Host I/O increments
14.4.1 Host Throughput Feature Codes
14.4.2 Tuning for Host I/O
14.5 Considerations for Virtual Device Allocation
14.6 Cache throughput and cache bandwidth
14.6.1 Tuning Cache bandwidth: Premigration
14.6.2 Premigration and premigration throttling values
14.6.3 Performance consideration for a cache DDM’s rebuild
14.7 Grid link and replication performance
14.7.1 Mixing different grid link adapters and traffic from Cloud attach or DS8000 object store considerations
14.7.2 Bandwidth and quality of the provided network
14.7.3 Selected replication mode
14.7.4 Tuning possibilities for copies: COPYCOUNT Control
14.7.5 Tuning to avoid the throttling
14.7.6 Tuning possibilities for copies: Deferred copy throttling
14.8 Considerations for the backend TS7700T
14.8.1 Number of back-end drives
14.8.2 Tune back-end drive usage
14.8.3 Number of back-end cartridges
14.8.4 Tuning of the usage of Back-end cartridges with VEHSTATS
14.9 Cloud Tiering
14.9.1 Network bandwidth and premigration queue size
14.9.2 Logical volume size
14.9.3 Premigrate and Recall time out
14.10 DS8000 Object Store
14.10.1 Network bandwidth
14.10.2 Network latency
Chapter 15. Copy Export
15.1 Copy Export overview and considerations
15.1.1 Control of Copy Export
15.1.2 Workflow of a Copy Export process
15.1.3 General considerations for Copy Export
15.1.4 Copy Export grid considerations
15.1.5 Reclaim process for Copy Export physical volumes
15.1.6 Copy Export process messages
15.1.7 Copy Export and DFSMSrmm
15.2 Implementing and running Copy Export
15.2.1 Setting up data management definitions
15.2.2 Validating before activating the Copy Export function
15.2.3 Running the Copy Export operation
15.2.4 Canceling a Copy Export operation
15.2.5 Host completion message
15.3 Using Copy Export Recovery
15.3.1 Planning and considerations for testing Copy Export Recovery
15.3.2 Performing Copy Export Recovery
15.3.3 Restoring the host and library environments
Part 4 Appendixes
Appendix A. Feature codes and requests for price quotation
RPQ
Feature code lists
Appendix C. JES3 examples and information
JES3 support for system-managed tape
Example with two separate tape libraries
Example with three Tape Libraries
Processing changes
Appendix D. DEVSERV QLIB command
Appendix E. Sample job control language
BVIR jobs to obtain historical data
Extra BVIR reporting
VEHSTATS reports
Creating Volume Maps for logical volumes on tape or in object stores
Appendix G. IBM TS7700 parameter examples
General example setup
General example setup for tape partitions
Appendix H. Extra IODF examples
General IODF principles
Using switches to connect to the control unit
Directly connecting
Upgrading to 8-Gb channels
Adding more devices
Sharing ports
LIBPORT-IDs in the MVSCP
Appendix J. Configuring externally managed encryption
Encrypting physical tape cartridges with external key management
Disk storage encryption with external key management
Use of digital certificates on TS7700 to EKM connections
Managing ISKLM device groups for TS7700
More information about ISKLM management
Related publications
IBM Redbooks publications
Other publications
Online resources
Technical documents on the IBM Support website
Help from IBM
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Chapter 9. TS7700 Management Interface operations: Part 1
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Chapter 11. TS7700 common operations and procedures
Operations
This part describes daily operations and the monitoring tasks related to the IBM TS7700. It also provides you with planning considerations and scenarios for disaster recovery, and disaster recovery testing.
This part includes the following chapters:
•
Chapter 9, “TS7700 Management Interface operations: Part 1” on page 353
•
Chapter 10, “TS7700 Management Interface operations: Part 2” on page 443
•
Chapter 11, “TS7700 common operations and procedures” on page 545
•
Chapter 12, “zHost console operations” on page 615
•
Chapter 13, “Monitoring” on page 653
•
Chapter 14, “Performance considerations” on page 733
•
Chapter 15, “Copy Export” on page 769
•
Chapter 16, “Disaster recovery testing in a grid configuration” on page 803
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