RDF/IMP and IMPX System Management Manual (RDF 1.4+)

Contents
HP NonStop RDF/IMP and IMPX System Management Manual—524388-001
viii
14. Lockstep Operation
Takeover Restartability 13-7
Takeover and File Recovery 13-8
The Effects of Undoing Network Transactions 13-9
Takeover and the RETAINCOUNT Value 13-12
Network Configurations and Shared Access SQL DDL Operations 13-12
Network Validation and Considerations 13-12
RDF Re-Initialization in a Network Environment 13-13
Network Master Subsystem Initialization 13-13
Non Network Master Subsystem Initialization 13-13
RDF Networks and ABORT or STOP RDF Operations 13-14
RDF Networks and Stop-Update-to-Timestamp Operations 13-15
Sample Configurations 13-15
Sample Network Master Configuration 13-15
Sample Non Network Master Configuration 13-17
RDFCOM STATUS Display 13-19
14. Lockstep Operation
Starting a Lockstep Operation 14-2
The DoLockstep Procedure 14-2
Including the DoLockstep in COBOL85 Applications 14-2
Invoking DoLockStep by way of TAL 14-2
DoLockStep Execution 14-3
The Lockstep Transaction 14-4
RDF Lockstep File 14-4
Multiple Concurrent Lockstep Operations 14-5
The Lockstep Gateway Process 14-5
NAME 14-6
PROGRAM 14-6
STARTUPMSG 14-6
AUTORESTART 14-6
Disabling Lockstep 14-6
Reenabling Lockstep 14-7
Lockstep Performance Ramifications 14-7
Lockstep and Auxiliary Audit Trails 14-7
Lockstep and Network Transactions 14-8
Lockstep Operation Event Messages 14-8