NonStop Systems Introduction for H-Series RVUs

Contents
NonStop Systems Introduction for H-Series RVUs—540083-001
iii
5. Transaction Management
5. Transaction Management
What Is a TMF Transaction? 5-1
Specifying a TMF Transaction in a Program 5-3
Local and Distributed Transactions 5-4
Audited Files and Audit Trails 5-5
Transaction Commitment 5-7
Transaction Backout 5-8
Volume Recovery 5-10
File Recovery 5-12
TMF Integration With the Application Server Environments and SQL/MX 5-14
6. The NonStop Operating System
Application Services 6-1
Programming Environment Simplifies Application Development 6-4
Network Operations 6-6
Cooperative Systems 6-8
Distribution of Control 6-8
Requesters and Servers in the Operating System 6-10
Removal of Physical Boundaries 6-11
Easy Transition to Distributed Processing 6-12
Support for Fault Tolerance 6-14
Processor Checking 6-14
Process Pairs 6-15
Support for System Expandability 6-17
Role of Expand Software 6-17
Fault-Tolerant Expand Operation 6-18
Transparent Access to Network Resources 6-19
7. Integrity NonStop NS-Series Server Architecture
Software and Hardware Views of Architecture 7-1
Fault Tolerance of Integrity NonStop Servers 7-5
Interconnected Multiple Processors 7-6
Dual Access Paths for I/O 7-8
Low-Latency Routing 7-10
Mirrored Disk Volumes 7-11
Multiple Power Sources and Online Repair 7-12
Detection and Correction of Hardware Errors 7-12
ServerNet Clustering for Availability and Performance 7-13
Cost-Effective System Expansion 7-15