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How to Read This Document xviii DataHub Implementation and Connectivity DRDA application connections. The chapter also shows how to maintain and manage network changes. It concludes with some recommendations for a successful DRDA connectivity implementation. • Chapter 4, “DataHub/2 Workstation” This chapter discusses the components of DataHub/2 and the DataHub/2 prerequisites that have to be installed on the OS/2 platform, including LAN requesters and server, OS/2 Communications Manager, OS/2 Database Manager, and DDCS/2. The chapter presents various component combinations and explains the role of each component in a particular scenario. • Chapter 5, “DataHub Tools Conversation Connectivity” This chapter addresses DataHub tools conversation connectivity with working examples. DataHub is a DRDA application and needs to be defined as such. In addition to DRDA, DataHub uses APPC for its tools conversation flows. This chapter shows how to establish APPC connectivity for those tools conversation flows. • Chapter 6, “Problem Determination” This chapter addresses the problem determination issues of DataHub and the network on which it operates. It includes a generic method of dealing with LAN and network problems as well as DRDA and DataHub connectivity problem determination. The chapter also discusses problem determination tools that are available. • Chapter 7, “Security Considerations” This chapter addresses planning for network security. It includes an overview of the security issues on the different platforms of the network. The chapter discusses password modification issues in a distributed environment and offers some recommendations for dealing with different security systems. • Appendix A, “OS/2 Communications Manager Network Definition File” This appendix provides an example of the network definition file of a DataHub/2 workstation configuration. It is critical that you familiarize yourself with DataHub before reading this book. It is also critical that you understand the different data flows DataHub uses because you will have to implement the related connectivity parameters—the most important part of the DataHub implementation. To this end, Chapter 1 presents an overview of DataHub and the data flows it uses. We also recommend that you read the Database Systems Management: IBM SystemView Information Warehouse DataHub Presentation Guide, where DataHub functions are further explained. DataHub planning is discussed in Chapter 2, which is a self-contained chapter. For planning purposes we also recommend that you read Chapter 4, which discusses more specifically the DataHub/2 environment, and Chapter 7, which deals with DataHub security planning. The installation of DataHub consists primarily of implementing the different connections the product uses. DRDA connectivity is a major prerequisite for
DataHub. We recommend that you install DRDA connectivity before you install DataHub. The implementation of DRDA connectivity is covered in Chapter 3, which is a self-contained chapter that you may find helpful when installing any DRDA environment. Chapters 4 and 5 explain the implementation tasks to be carried out after the DRDA installation has been consolidated among the participating SAA platforms. Chapter 5 more specifically deals with the implementation of DataHub tools conversation connectivity. Chapters 3, 4, and 5 are structured according to the order of the installation tasks we recommend, that is, DRDA connectivity first, the DataHub/2 environment second, and tools conversation third. Chapter 6 deals with problem determination and is a self-contained chapter. Chapter 7 deals with security and is also a self-contained chapter. Preface xix
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3.4 MVS Definitions 3.4.1 SNA Defin
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VBUILD TYPE=APPL *-----------------
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3.5.2 DRDA Definitions 52 DataHub I
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SQL/DS Database Machine (AS) A CMS
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AVS Machine Definition In Figure 35
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Communication Directory Definition
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3.6 AS/400 Definitions 3. Enter the
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Other classes of service can be cre
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3.6.3 Testing DRDA Connections 68 D
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tools conversation. It could also b
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3. Click on Configure.... The Confi
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Manager/2 folder. For the Extended
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You are then back to the Communicat
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Figure 55. CM/2: Connections List W
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Figure 58. CM/2: Change Partner LUs
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3.7.5 DRDA Definitions Figure 60. C
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Communications Manager and OS/2 Dat
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Node Directory Number of entries in
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Figure 66 on page 92 shows you all
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Database Connection Services (DCS)
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3.7.7 Testing DRDA and RDS Connecti
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3.8 Adding a New DRDA Host 3.8.1 DR
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3.9 Recommendations Our recommendat
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DataHub/2 Prerequisites: Installati
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associated with the local UPM user
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4.2 Scenario 1: Local Management of
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4.3 Scenario 2: Central Management
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4.4.1 Required Products Install the
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LAN Server Access Profile Tip Versi
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Figure 81. DH/2 Install: Feature Se
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Tuning versus Execution 128 DataHub
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NETBIOS: DataHub/2 flat files and e
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Table 14. NETBIOS Session Informati
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Figure 93. LAPS: Configure Workstat
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PROT_MAN DRIVERNAME = PROTMAN$ IBML
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configurations. Notice the differen
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4.4.7 DataHub/2 Database Connectivi
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4.6.2 Workload consideration if the
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4.7 Codepage Support 4.8 Recommenda
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5.1 Key Connectivity Parameters The
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5.2 The ITSC Network DB2 Subsystem
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Figure 110. DataHub/2: OS/2 Compone
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Recommendation A good naming conven
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In the Symbolic destination field,
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• Communications link • Partner
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1. Select the CPI Communications si
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5. Click on the OK push button when
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2. Verify that the system software
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DATAHUB.SMP.GLOBAL.CSI DATAHUB.V110
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STDB2AMQ JOB (999,POK), // ′ DATA
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Figure 131. VM Service Pool Environ
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SPM00000, SPM00001 The IDs of Servi
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Environment Configuration Overview
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3. The DataHub Support/VM CMR (CMR1
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Figure 145. DHS/VM Communication Fl
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5.6.2 Configuration Considerations
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The map file name and location are
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5.7.3 OS/2 Communications Manager D
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Figure 150. Create a Transaction Pr
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Figure 153. CM/2: Create Conversati
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5.8 Recommendations We recommend th
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6.2 DataHub/2 Workstation 204 DataH
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When you open the log file, the pro
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6.2.3 OS/2 Communications Manager T
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• Perform Trace − On the PWS pl
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A DataHub user can request tracing
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Abends All programs may abnormally
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This can be very helpful when debug
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When you receive any of these indic
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eoccurrence is needed to get more i
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6.4 VM Host Problem Determination T
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6.4.3 Diagnosing Problems Statement
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• A brief description of the prob
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* Alert File Layout * *The set of r
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Additional Message Information Page
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To grant authority to any user, you
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Before we explain what those domain
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From a security point of view, the
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7.1.3 DataHub/2 Database Privileges
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Figure 175. DB2 Security Mechanism
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Inbound Processing 1. LU Verificati
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7.4 AS/400 Security This section pr
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DataHub Support/2 also uses one or
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PARTNER_LU_ALIAS(DHNYCENT ) MODE_NA
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ase product. A relational database
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database catalog. A database table
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F foreign key. A key that is specif
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lib/obj*type lib/file(member) lib/f
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OS/400. See Operating System/400. O
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MVS A DB2 subsystem instance. VM An
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operate even when connections to ot
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U UNC. See universal naming convent
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RU Request unit RUW Remote unit of
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DataHub Support/VM (continued) conf
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Q QEMQUSER collection 192 R RDB nam
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ITSO Redbook Evaluation Internation
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IBM ® Printed in U.S.A. GG24-4031-
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