•  Preface
  • Purpose
  • Audience
  • Organization
  • Using this manual
  • Typographical conventions
  • Examples of syntax descriptions
  • OpenEdge messages
•  Introducing OpenEdge Replication
  •  What is data replication
    • How OpenEdge Replication works
    • Key features of OpenEdge Replication
  •  OpenEdge Replication terminology
    • Primary and secondary databases
    •  Source and target databases
      • The source database
      • The target database
      • Other source and target database characteristics
      • Target quiet points
      • Schema lock
    • OpenEdge Replication property files
    • OpenEdge Replication server
    •  OpenEdge Replication agent
      • Designating a critical agent
      • Enhanced Read-Only mode
    • OpenEdge Replication Model
    • Failover
    • Failback
    • Transition
  •  Source and target architecture requirements
    • Guidelines for working with source and target databases
  •  Using synchronous or asynchronous replication
    • Synchronous configuration and replication
    • Asynchronous configuration and replication
  •  OpenEdge Replication activity during normal processing
    • Normal source database activity
    • Normal target database activity
  •  What happens if there is a database failure
    • Choosing a hot standby database
    •  Synchronization between server and agent
      • If the server detects a communication failure with the agent
      • If the agent detects a communication failure with the server
  • OpenEdge Replication utilities and commands
•  OpenEdge Replication and after-imaging
  • Understanding OpenEdge Replication after-image requirements
  •  Calculating current database after-image volume
    • Using after-image VST information
    • Using the RFUTIL command
    • Using the PROMON command
    • Using before-image VST information
  •  The role of after-image extents in the Replication process
    •  After-image extent types
      • After-image extent types
      • After-image extent states
    •  After-image extent sizing on a source database
      • Calculating fixed after-image extent size
      • After-image extent sizing based on hourly data
      • After-image extent sizing based on weekly data
      • Using variable extents
    • After-image interdependency between source and target databases
  •  Determining OpenEdge Replication network bandwidth
    • Estimating network bandwidth
    • Anticipating additional network overhead
    • Additional references
  • Ensuring success when using after-imaging
  • OpenEdge Replication and after-imaging: a summary
•  Planning for OpenEdge Replication
  •  Preliminary planning tasks
    • Step 1: Reviewing after-image information
    • Step 2: Creating a database backup plan
    • Step 3: Evaluating your production database
    •  Step 4: Determining if you will be replicating an encryption-enabled database
      • The replication process for databases also enabled for encryption
  •  Understanding the importance of after-imaging in OpenEdge Replication planning
    • Determining acceptable latency
    • Determining acceptable target database downtime
    • Determining appropriate failover behavior
    • Understanding limitations and restrictions
•  Setting Up OpenEdge Replication
  •  Overview
    •  Getting started
      • Choosing an online or an offline backup of the source database
      • Choosing the OpenEdge Replication agent startup mode
  •  Setting up the OpenEdge Replication databases
    •  Setting up the source database with an offline backup
      • Step 1: Back up the source database
      • Step 2: Create a structure file
      • Step 3: Enable database after-imaging
      • Step 4: Enable the source database for OpenEdge Replication
      • Step 5: Perform an incremental backup of the source database
      • Step 6: Where to go next
    •  Setting up the source database with an online backup
      • Step 1: Create a structure file
      • Step 2: Enable the database for after-imaging
      • Step 3: Enable the source database for OpenEdge Replication
      • Step 4: Perform an online backup
      • Step 5: Configure the OpenEdge Replication server for deferred agent startup
      • Step 6: Where to go next
    • Setting up the OpenEdge Replication target database
    • Enabling before-image encryption for a Replication-enabled target database
  •  Configuring the OpenEdge Replication property files
    •  Sample OpenEdge Replication property files
      • Sample OpenEdge Replication source property file
      • Sample OpenEdge Replication target properties file
      • Sample OpenEdge Replication combined properties file
    • Server properties
    • Control agent properties
    • Agent properties
    •  Configuring the source database property file
      • Agent rules in the source replication properties file
    • Configuring the target database property file
  •  Choosing the OpenEdge Replication agent startup mode
    • Using the immediate agent startup mode
    • Using the deferred agent startup mode
  •  Starting OpenEdge Replication
    • Message logging during startup
    • Starting the source database
    • Starting the target database
    • OpenEdge Replication startup and initialization process
    • Starting OpenEdge Replication with the DBMAN utility or OpenEdge Explorer
    • Database connection considerations
  •  Accessing a running replication-enabled database
    • Accessing a target database
    • Accessing a source database
  • Enabling transparent data encryption for an OpenEdge Replication-enabled source database
  •  Stopping OpenEdge Replication
    • Shutting down the source database
    • Shutting down the target database
    • Terminating the OpenEdge Replication server when the source database is running
    • Terminating the OpenEdge Replication agent when the target database is running
    • Disabling OpenEdge Replication on the server
    • Disabling OpenEdge Replication on the agent
•  Moving From Failure to Recovery with OpenEdge Replication
  •  Overview of database failure recovery
    • Automated transition functions
  •  Possible types of failure
    • Detecting TCP/IP communications failures
    • Source failure recovery after losing connection
    • Target transition after losing connection
  • Restoring a source database
  •  Transition
    • Transition scenarios
    • Intuitive transition processing
    • JTA transactions and transition
    •  Configuring transition
      • Choosing either one or two target databases
      • Setting up automatic transition
      • Setting up manual transition
    • Planning for transition
  •  OpenEdge Replication from normal activity through failure and recovery
    • Step 1: Primary replication before a failure
    • Step 2: Primary machine failure
    •  Step 3: Entering pretransition
      • Manually applying after-image extents
    • Step 4: Transitioning the target database to a source database
    • Step 5: Failover
    • Step 6: Primary machine repair complete
    • Step 7: Initiating primary database transition
    • Step 8: Secondary replication is performed
    •  Step 9: The Replication failback process
      • Failback processing using transition failover
      • Advantages and disadvantages of using transition failover to perform failback
      • Failback processing using controlled transition
      • Advantages and disadvantages of performing failback with controlled transition
  • Recovery from transition failures
  • Transition logging
  •  Transition properties
    • Setting transition properties
  •  Sample of a startup parameter file used by transition
    • Source database startup parameter file
    • Target database startup parameter file
    • Normal database startup parameter file
  •  Transition property reference
    • Transition command actions
    • Transition properties summary
•  Reference
  • DSRUTIL utility
  • DSRUTIL applyextent qualifier
  • DSRUTIL canceldefer server qualifier
  • DSRUTIL connectagent database qualifier
  • DSRUTIL disablesitereplication qualifier
  • DSRUTIL monitor qualifier
  • DSRUTIL recovery qualifier
  • DSRUTIL relwaits qualifier
  • DSRUTIL restart server qualifier
  • DSRUTIL startagent database qualifier
  •  DSRUTIL status qualifier
    • When the detail argument is not used
  • DSRUTIL terminate qualifier
  • DSRUTIL transition qualifier
  • DSRUTIL triggertransition qualifier
  •  OpenEdge Replication DSRUTIL MONITOR
    • Startup menu
    •  Monitoring latency between the source and target databases
      • From the OpenEdge Replication server perspective
      • From the OpenEdge Replication agent perspective
    • Replication server status
    • Replication server remote agents
    • Replication remote agents status
    • Replication agent status
  •  Virtual system tables for OpenEdge Replication
    • Virtual system table field descriptions
  • Utilities and OpenEdge Replication
  • OpenEdge Replication and database management systems
•  OpenEdge Replication Quick Command Summary
  • Configuring the OpenEdge Replication property files
  • Setting up the source and target databases
  • Enabling before-image encryption for a Replication-enabled target database
  • Configuring OpenEdge Replication with deferred agent startup
  • Configuring OpenEdge Replication for one agent
  • Configuring OpenEdge Replication for two agents
  • Starting OpenEdge Replication
  • Stopping OpenEdge Replication
  • Terminating the OpenEdge Replication server and agent
  • Configuring for automatic transition
  • Configuring for manual transition
  • Using manual transition
  • Re-enabling OpenEdge Replication after transition
  • Restarting the OpenEdge Replication server after target shutdown
  • Monitoring an OpenEdge Replication database
  •  Backing up an online target database
    • To begin
    • What happens during an online backup of the target database