TMF Introduction (G06.24+)

Contents

HP NonStop Transaction Management Facility (TMF) Introduction—522414-001

6. TMF System Management

TMFCOM Command Interpreter 6-1

Subsystem Programmatic Interface (SPI) 6-2

TMF Process Communication 6-3

Event Management 6-4

Tasks for Managing TMF 6-5

Configuring TMF 6-5

Designating Audited Files 6-5

Specifying Compression of Selected Audit Records 6-5

Managing Audit and Online Dumps 6-6

Monitoring TMF 6-6

Managing the TMF Catalog 6-6

Index

Examples

Example 2-1. Transaction Control Using Embedded SQL 2-8

Figures

Figure 1-1. The Role of TMF in Transaction Processing 1-1

Figure 1-2. TMF Protecting a Distributed Database 1-4

Figure 1-3. Database Consistency in a Banking Transaction 1-5

Figure 1-4. Lack of Concurrency Control 1-6

Figure 1-5. Concurrency Control 1-7

Figure 1-6. Serialized Transactions 1-9

Figure 1-7. The Audit Trail and Audited Database Files 1-11

Figure 1-8. Distributed Audit Information 1-12

Figure 1-9.

The Role of TMF in Transaction Processing 1-16

Figure 2-1.

Local Transaction 2-2

Figure 2-2. A Transaction Gateway 2-4

Figure 2-3. Commit Coordinator and Subordinate Transaction Managers 2-5

Figure 2-4. Transaction Control in a Pathway Environment 2-7

Figure 2-5. Relationship Between TCP and Server Processes 2-9

Figure 2-6. Two-Phase Commit 2-11

Figure 2-7. Stages of a Transaction 2-12

Figure 3-1. Audit Trail Records 3-2

Figure 3-2. Audit Trail Rollover 3-4

Figure 3-3. Automatic Audit Trail Dump 3-7

Figure 3-4. Network Backout 3-9