Preface
This IBM® Redbooks® publication highlights IBM TS7700 Release 4.0. 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.
The IBM TS7700 offers a modular, scalable, and high-performance architecture for mainframe tape virtualization for the IBM z Systems® environment. It is a fully integrated, tiered storage hierarchy of disk and tape. This storage hierarchy is managed by robust storage management microcode with extensive self-management capability. It includes the following advanced functions:
•Policy management to control physical volume pooling
•Cache management
•Redundant copies, including across a grid network
•Copy mode control
The IBM TS7700 offers enhanced statistical reporting. It also includes a standards-based Management Interface (MI) for IBM TS7700 management. IBM TS7700 R4.0 continues the next generation of IBM TS7700 for z Systems tape:
•The IBM TS7760 is an all new hardware refresh and features Encryption Capable, high-capacity cache that uses 4 TB serial-attached Small Computer System Interface (SAS) HDDs in arrays that use dynamic disk pool configuration. This setup can scale to large capacities with the highest level of data protection.
•Release 4.0 introduces the option to attach to a TS4500 tape library, and to the previous TS3500 tape library, which contains back-end physical tape drives and policies to manage up to eight of the disk repositories in a tape-attached TS7760T. This TS7760T (Tape Attached) configuration mimics the behavior of a TS7740, with additional features that go beyond what a TS7740 can provide.
The TS7760T writes data by policy to physical tape through attachment to high-capacity, high-performance IBM TS1150 and IBM TS1140 tape drives 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 z Systems 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 additional 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 103. 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 125 for hardware information. Information on planning for Software begins in Chapter 4.3, “Planning for software implementation” on page 160. Chapter 6, “IBM TS7700 implementation” on page 213 describes the implementation and installation tasks to set up an IBM TS7700.
If you already have an IBM TS7700 or even an IBM 3494 Virtual Tape Server (VTS) installed, see Chapter 7, “Hardware configurations and upgrade considerations” on page 227. Chapter 8, “Migration” on page 283 describes migrating to a TS7700 environment.
Chapter 9, “Operation” on page 319 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 on 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 635. 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 757.
Information that is related to disaster recovery can be found in Chapter 5, “Disaster recovery” on page 189 and Chapter 13., “Disaster Recovery Testing” on page 787.
In addition, the following appendixes conclude this book:
•For information about feature codes and requests for price quotation (RPQ), see Appendix A, “Feature codes and RPQ” on page 823, which lists all of the features available for the IBM TS7700.
•For 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 831. This appendix gives a short overview and scheme for the IBM TS7700 implementation.
•For information about job entry subsystem 3 (JES3), an operating system component, see Appendix C, “JES3 examples and information” on page 847. This appendix provides additional information to assist you if you are running an IBM z/OS® system with JES3.
•For 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 867.
•For information about job control language, see Appendix E, “Sample job control language” on page 871, which gives you examples of jobs that are needed for installation and operational tasks.
•For information about categories, see Appendix F, “Library Manager volume categories” on page 895, which gives you a full list of all category codes that are used in both the IBM TS7700 and the IBM 3494 VTS.
•For information about parameters, see Appendix G, “IBM TS7700 parameter examples” on page 905, which provides parameter examples in different grid configurations.
•For information about the input/output definition file (IODF) and the input/output configuration program (IOCP), see Appendix H, “Extra IODF examples” on page 925.
•For information about a partitioning case study, see Appendix I, “Case study for logical partitioning of a two-cluster grid” on page 937, 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 for the IBM International Technical Support Organization (ITSO) at Tucson, Arizona, in the US. He has 34 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 in project management from George Washington University. His areas of expertise include client relationship management, quality assurance, development management, and support management for IBM Tivoli® Storage Software.
Katja Denefleh works in the Advanced Technical Skill group in Germany. She is responsible for providing second-level support for high-end tape products for Europe, the Middle East, and Africa (EMEA). Katja has worked more than 15 years as an IBM System z® systems programmer, and more than 10 years as a Mainframe Architect for outsourcing clients. Her areas of expertise cover all System z hardware, IBM Parallel Sysplex®, and operations aspects of large mainframe installations. Before joining IBM in 2003, she worked for companies using IBM systems and storage in Germany.
 
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).
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 an IBM Senior Accredited IT Specialist at the ESCC Tape Solution Center in Mainz, Germany. He has 17 years of experience in tape storage systems and tape solutions as a product field engineer. In his current job role as OEM Product Application Engineer (PAE), he is responsible for all EMEA OEM storage clients in terms of technical solutions and sales opportunities.
 
Chen Zhu 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.
Thanks to the following people for their contributions to this project:
Norbert Schlumberger
IBM SO Delivery, Server Systems Operations
Felipe Barajas, Erika Dawson, Lawrence M. (Larry) Fuss, Charles House, Katsuyoshi Katori, Khanh Ly, Takeshi Nohta, Sam Smith, Joe Swingler
IBM Systems
Tom Koudstaal
E-Storage B.V.
Thanks to the authors of the previous edition, which was published in May 2016:
Larry Coyne, Katja Denefleh, Joe Hew, Sosuke Matsui, Aderson Pacini, Michael Scott, Chen Zhu
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