RDF System Management Manual for H-Series RVUs (RDF 1.8)

The Effects of Undoing Network Transactions..............................................................................281
Takeover and the RETAINCOUNT Value.....................................................................................283
Network Configurations and Shared Access NonStop SQL/MP DDL Operations............................283
Network Validation and Considerations............................................................................................283
RDF Reinitialization in a Network Environment...............................................................................284
Network Master Subsystem Initialization.....................................................................................284
Non-Network Master Subsystem Initialization............................................................................284
RDF Networks and ABORT or STOP RDF Operations......................................................................284
RDF Networks and Stop-Update-to-Time Operations.......................................................................285
Sample Configurations.......................................................................................................................285
Sample Network Master Configuration........................................................................................285
Sample Non-Network Master Configuration................................................................................286
RDFCOM STATUS Display.................................................................................................................287
15 Process-Lockstep Operation....................................................................................289
Starting a Lockstep Operation............................................................................................................289
The DoLockstep Procedure.................................................................................................................290
Including the DoLockstep in COBOL85 Applications..................................................................290
Invoking DoLockStep by Way of TAL...........................................................................................290
DoLockStep Execution...................................................................................................................290
The Lockstep Transaction....................................................................................................................291
RDF Lockstep File...............................................................................................................................291
Multiple Concurrent Lockstep Operations.........................................................................................292
Lockstep and Auxiliary Audit Trails..................................................................................................292
The Lockstep Gateway Process...........................................................................................................292
NAME............................................................................................................................................292
PROGRAM....................................................................................................................................292
STARTUPMSG...............................................................................................................................293
AUTORESTART.............................................................................................................................293
Disabling Lockstep..............................................................................................................................293
Reenabling Lockstep...........................................................................................................................293
Lockstep Performance Ramifications..................................................................................................293
Lockstep and Auxiliary Audit Trails..................................................................................................294
Lockstep and Network Transactions...................................................................................................294
16 NonStop SQL/MX and RDF...................................................................................295
Including and Excluding SQL/MX Objects.........................................................................................295
Summary of ANSI Object Types.........................................................................................................295
Obtaining ANSI Object Names From Updater Event Messages........................................................296
Creating NonStop SQL/MX Primary and Backup Databases From Scratch......................................296
Creating a NonStop SQL/MX Backup Database From an Existing Primary Database......................299
Online Database Synchronization With NonStop SQL/MX Objects..................................................301
Creating the Fuzzy Copy on the Primary System.........................................................................301
Creating the Fuzzy Copy on the Backup System..........................................................................303
Offline Synchronization for a Single Partition....................................................................................303
Directly From the Primary to the Backup......................................................................................303
Indirectly From the Primary to the Backup By Way of a Temporary File.....................................304
Backup Partition Does Not Already Exist.....................................................................................304
Online Synchronization for a Single Partition....................................................................................304
Correcting Incorrect NonStop SQL/MX Name Mapping...................................................................305
Primary and Backup ANSI Catalog Are the Same........................................................................305
Primary and Backup ANSI Schema Names Are Not the Same.....................................................305
Schema Subvolume Names Are Not the Same..............................................................................305
16 Table of Contents