Preface
This IBM® Redbooks® publication covers IBM TS7700 R4.2. The IBM TS7700 is part of a family of IBM Enterprise tape products. This book is intended for system architects and storage administrators who want to integrate their storage systems for optimal operation.
Building on over 20 years of virtual tape experience, the TS7760 now supports the ability to store virtual tape volumes in an object store. The TS7700 supported off loading to physical tape for over two decades. Off loading to physical tape behind a TS7700 is utilized by hundreds of organizations around the world.
By using the same hierarchical storage techniques, the TS7700 can also off load to object storage. Because object storage is cloud-based and accessible from different regions, the TS7760 Cloud Storage Tier support essentially allows the cloud to be an extension of the grid. As of this writing, the TS7760C supports the ability to off load to IBM Cloud™ Object Storage and Amazon S3.
TS7700 provides tape virtualization for the IBM z environment. Tape virtualization can help satisfy the following requirements in a data processing environment:
•Improved reliability and resiliency
•Reduction in the time that is needed for the backup and restore process
•Reduction of services downtime that is caused by physical tape drive and library outages
•Reduction in cost, time, and complexity by moving primary workloads to virtual tape
•More efficient procedures for managing daily backup and restore processing
•Infrastructure simplification through reduction of the number of physical tape libraries, drives, and media
TS7700 R4.2 delivers the following capabilities:
•TS7760C supports the ability to off load to IBM Cloud Object Storage and Amazon S3
•8-way Grid Cloud that consists of any generation of TS7700
•Synchronous and asynchronous replication
•Tight integration with IBM Z® and DFSMS policy management
•Optional Transparent Cloud Tiering
•Optional integration with physical tape
•Cumulative 16 Gb IBM FICON® throughput up to 4.8 GBps * 8
•IBM Z hosts view up to 496 * 8 equivalent devices
•Grid access to all data independent of where it exists
The TS7760T writes data by policy to physical tape through attachment to high-capacity, high-performance IBM TS1150, and IBM TS1140 tape drives that are installed in an IBM TS4500 or TS3500 tape library.
The TS7760 models are based on high-performance and redundant IBM POWER8® technology. They provide improved performance for most IBM Z tape workloads when compared to the previous generations of IBM TS7700.
Summary of contents
This book contains valuable information about the IBM TS7700 for anyone who is interested in this product. The following summary helps you understand the structure of this book, and to decide which of the chapters are of the most interest.
In addition to the material in this book, other IBM publications are available to help you better understand the IBM TS7700.
If you have limited knowledge of the IBM TS7700, see the documentation for TS7700:
A series of technical documents and white papers that describe many aspects of the IBM TS7700 are available. Although the basics of the product are described in this book, more detailed descriptions are provided in these documents. For that reason, most of these detailed record descriptions are not in this book, although you are directed to the appropriate technical document. For these more technical documents, go to the IBM Techdocs Technical Sales Library website and search for TS7700:
Familiarize yourself with the contents of Chapter 1, “Introducing the IBM TS7700” on page 3, Chapter 2, “Architecture, components, and functional characteristics” on page 15, and Chapter 3, “IBM TS7700 usage considerations” on page 111. These chapters provide a functional description of all of the major features of the product, and they are a prerequisite for understanding the other chapters.
If you are planning for the IBM TS7700, see Chapter 4, “Preinstallation planning and sizing” on page 135 for hardware information. Information about planning for Software begins in 4.3, “Planning for software implementation” on page 171. Chapter 6, “IBM TS7700 implementation” on page 227 describes the implementation and installation tasks to set up an IBM TS7700.
If you have an IBM TS7700 or even an IBM 3494 Virtual Tape Server (VTS) installed, see Chapter 7, “Hardware configurations and upgrade considerations” on page 245. Chapter 8, “Migration” on page 303 describes migrating to a TS7700 environment.
Chapter 9, “Configuring and operating the IBM TS7700” on page 343 provides information about the operational aspects of the IBM TS7700. This information includes the layout of the MI windows to help with daily operational tasks. Chapter 9 “Host console operations” provides information about commands and procedures that are initiated from the host operating system.
If you have a special interest in the performance and monitoring tasks as part of your operational responsibilities, see Chapter 11, “Performance and monitoring” on page 623. Although this chapter gives a good overview, more information is available in the technical documents on the Techdocs website.
For availability and disaster recovery specialists, and those individuals who are involved in the planning and operation that is related to availability and disaster recovery, see Chapter 12, “Copy Export” on page 747.
In addition, the following appendixes conclude this book:
•For more information about feature codes and requests for price quotation (RPQ), see Appendix A, “Feature codes and RPQ” on page 817, which lists all of the available features for the IBM TS7700.
•For more information about implementation with various IBM systems, such as IBM z/VM®, IBM z/VSE®, the IBM TPF Operations Server, and IBM z/Transaction Processing Facility (IBM z/TPF), see Appendix B, “IBM TS7700 implementation for IBM z/VM, IBM z/VSE, and IBM z/TPF environments” on page 825. This appendix gives a short overview and scheme for the IBM TS7700 implementation.
•For more information about job entry subsystem 3 (JES3), an operating system component, see Appendix C, “JES3 examples and information” on page 841. This appendix provides more information to assist you if you are running an IBM z/OS® system with JES3.
•For more information about the layout of a new command that can be helpful with the IBM TS7700 configuration in z/OS, see Appendix D, “DEVSERV QLIB command” on page 861.
•For more information about job control language, see Appendix E, “Sample job control language” on page 865, which gives you examples of jobs that are needed for installation and operational tasks.
•For more information about categories, see Appendix F, “Library Manager volume categories” on page 889, which gives you a full list of all category codes that are used in both the IBM TS7700 and the IBM 3494 VTS.
•For more information about parameters, see Appendix G, “IBM TS7700 parameter examples” on page 899, which provides parameter examples in different grid configurations.
•For more information about the input/output definition file (IODF) and the input/output configuration program (IOCP), see Appendix H, “Extra IODF examples” on page 919.
•For more information about a partitioning case study, see Appendix I, “Case study for logical partitioning of a two-cluster grid” on page 931, which provides a scenario about a partitioned IBM TS7700 hardware configuration.
Authors
This book was produced by a team working at IBM Tucson, Arizona.
Larry Coyne is a Project Leader at the IBM International Technical Support Organization, Tucson, Arizona, center. He has over 35 years of IBM experience, with 23 years in IBM storage software management. He holds degrees in Software Engineering from the University of Texas at El Paso and Project Management from George Washington University. His areas of expertise include client relationship management, quality assurance, development management, and support management for IBM storage management software.
Derek Erdmann is a DFSMS Software Technical Support Engineer, specializing in the OAM product area, where he has been the Team Lead for 4 years. He graduated from Northern Illinois University in 2009 with a Master’s degree in Computer Science with an emphasis in Enterprise Computing. He has spent the last 7 years with IBM working with customers and developers to enhanced the quality of the DFSMS product set.
Joe Hew works in the Tucson, Arizona product field engineering group, supporting the IBM TS7700. With many years in the information technology (IT) field, Joe has worked in system-level test on various products, such as storage controllers, tape libraries, adapters, Serial Storage Architecture (SSA), and storage area networks (SANs). Joe is a Microsoft Certified Professional and a Certified Level 2 Fibre Channel Practitioner (awarded by the Storage Networking Industry Association).
Sosuke Matsui is a software development engineer in Tokyo, Japan. He joined IBM Japan in 2009, and worked on the development and testing of asynchronous replication of IBM Scale Out Network Attached Storage for 5 years. Currently, he is responsible for the development and testing of TS7700 hierarchical storage management (HSM) component. He is a member of the Association for Computing and Machinery (ACM) and Information Processing Society of Japan (IPSJ).
Alberto Barajas Ortiz graduated from the Technological Institute of Superior Studies of Monterrey (MEXICO) in 2016 with a Master’s degree in Administration of Information Technology, and he is a PMI-certified Project Management Professional. He has worked for IBM since 2001. During the last 13 years, he has been collaborating with the TS7700 Development effort in the Product Test area (mainly focused in Functional Verification aspects), where he has served as a Team Lead for the last 8 years.
 
Aderson Pacini works in the Tape Support Group in the IBM Brazil Hardware Resolution Center. He is responsible for providing second-level support for tape products in Brazil. Aderson has extensive experience servicing a broad range of IBM products. He has installed, implemented, and supported all of the IBM Tape Virtualization Servers, from the IBM VTS B16 to the IBM TS7700 Virtualization Engine. Aderson joined IBM in 1976 as a Service Representative, and his entire career has been in IBM Services.
Michael Scott is a Senior Data Facility Storage Management Subsystem (DFSMS) Technical Support Engineer in the IBM Systems, Client Enablement, and Systems Assurance team. He has 16 years of experience in DFSMS technical support. He holds a Masters in Business Administration and a Bachelor of Sciences in Mathematics. Michael has six patents that are issued in the computer sciences field, and is a DFSMS Technical Advocate. Currently, he is the team lead for the DFSMS technical support education program.
 
Chen Zhu is a Consulting System Service Representative at the IBM Global Technology Services® (GTS) in Shanghai, China. He joined IBM in 1998 to support and maintain IBM Z products for clients throughout China. Chen has been working in the Technical Support Group (TSG) providing second-level support to IBM Z clients since 2005. His areas of expertise include IBM Z hardware, IBM Parallel Sysplex®, IBM Tape Library, and IBM FICON connectivity.
Thanks to the following people for their contributions to this project:
Norbert Schlumberger
IBM SO Delivery, Server Systems Operations
Felipe Barajas, Michelle Batchelor, Ralph Beeston, Erika Dawson, Lawrence M. (Larry) Fuss, Charles House, Katsuyoshi Katori, Khanh Ly, Kohichi Masuda, Takeshi Nohta, Kerri Shotwell, Sam Smith, and Joe Swingler
IBM Systems
Enete Gomes Dos Santos Filho, Karim Walji
IBM Technology Support Services
Tom Koudstaal
E-Storage B.V.
Thanks to the authors of the previous edition, which was published in January 2017:
Larry Coyne, Katja Denefleh, Derek Erdmann, Joe Hew, Aderson Pacini, Michael Scott, and Chen Zhu
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