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Data Guard Broker, 11g Release 2 (11.2)

Data Guard Broker - Contents

ContentsDocumentation Accessibility Related Documents Conventions What's New in Oracle Data Guard Broker? New … Features in Oracle Data Guard Broker 11.2.0.4 New Features in Oracle Data Guard Broker 11.2.0.3 New … Features in Oracle Data Guard Broker 11.2 New Features in Oracle Data Guard Broker 11.1 1 Oracle

Database Reference, 11g Release 2 (11.2)

Descriptions of Wait Events

Data Guard Broker: single instanceThe Data Guard Broker (DMON) process waits for the other instances in this cluster to complete … shutdown before continuing with the broker operation. Wait Time: Depends on the number of instances, but

Data Guard Broker, 11g Release 2 (11.2)

Managing Broker Configurations

3 Managing Broker ConfigurationsThis chapter discusses the following topics: Configuration Support Setting Up the Broker … Configuration Files Starting the Data Guard Broker Management Cycle of a Broker Configuration Enable and Disable Operations Configuration Status

Data Guard Concepts and Administration, 11g Release 2 (11.2)

Introduction to Oracle Data Guard

1.3 Data Guard BrokerThe Data Guard broker is a distributed management framework that automates the creation … Guard broker determines if a failover is necessary and initiates the failover to the specified … with centralized monitoring, testing, and performance tools See Also: Oracle Data Guard Broker for more information

Data Guard Broker, 11g Release 2 (11.2)

Glossary

brokerA distributed management framework that automates and simplifies most of the complex operations required to create, control, and monitor a Data Guard configuration.

Data Guard Broker, 11g Release 2 (11.2)

Oracle Data Guard Broker Concepts

1.4 Data Guard Broker ComponentsFigure 1-1 Relationship of Objects Managed by the Data Guard Broker Description of ''Figure 1-1 … Relationship of Objects Managed by the Data Guard Broker'' See also: Chapter 3, Chapter 4, and Chapter … 5 for more information about managing configuration and database objects 1.4 Data Guard Broker … Components The Oracle Data Guard

Data Guard Broker, 11g Release 2 (11.2)

Oracle Data Guard Broker Concepts

1.1.2 Oracle Data Guard BrokerThe Oracle Data Guard broker is a distributed management framework that automates and centralizes … some of the operations the broker automates and simplifies: Creating Data Guard configurations that … protection mode for the broker configuration. Invoking switchover or failover with a single command to … the Broker

Data Guard Broker, 11g Release 2 (11.2)

Data Guard Broker Upgrading and Downgrading

Step 5   Start the broker.After the upgrade, start the release 11.2 Data Guard Broker. For example: Issue the following SQL … *Plus statements to start the broker: SQL> ALTER SYSTEM SET DG_BROKER_START=TRUE; Issue the following … configuration: DGMGRL> ENABLE CONFIGURATION The first time the release 11.2 broker starts, it will detect the … existence of

Data Guard Broker, 11g Release 2 (11.2)

Data Guard Broker Properties

8 Data Guard Broker Propertiescontrol the behavior of entire broker configurations, individual databases, redo transport services … control the behavior of the broker on all databases in the configuration. The values of such properties

Data Guard Broker, 11g Release 2 (11.2)

Oracle Data Guard Broker Concepts

1.1.1 Data Guard Configurations and Broker Configurationsdatabase, along with two standby databases on another system. The Data Guard broker logically groups … these primary and standby databases into a broker configuration that allows the broker to manage and … monitor them together as an integrated unit. You can manage a broker configuration using either the

Data Guard Broker, 11g Release 2 (11.2)

Switchover and Failover Operations

5.3.3 How the Broker Performs a Switchover5.3.3 Ho w the Broker Performs a Switchover Once you start the switchover, the broker: Verifies … -ON state. The broker allows the switchover to proceed as long as there are no errors for the … broker shuts down all but one instance on the current primary database. No instances will be shut … between the p rimary

Data Guard Broker, 11g Release 2 (11.2)

Managing Broker Configurations

3.2 Setting Up the Broker Configuration FilesFigure 3-1 Oracle Data Guard Broker Configuration Description of ''Figure 3-1 Oracle Data Guard … Broker Configuration'' 3.2 Setting Up the Broker Configuration Files Two copies of the configuration … the configuration. When the broker is started for the first time, the configuration files are … parameters can

Data Guard Broker, 11g Release 2 (11.2)

Managing Broker Configurations

3.2.1 Renaming the Broker Configuration Filesbroker configuration using the DGMGRL DISABLE command. See Section 3.5. Stop the Data Guard broker DMON … ; SQL> ALTER SYSTEM SET DG_BROKER_CONFIG_FILE2=filespec2; Note: If the broker is managing an Oracle RAC … their new location. Restart the Data Guard broker DMON process, as follows: SQL> ALTER SYSTEM SET

Data Guard Broker, 11g Release 2 (11.2)

Managing Broker Configurations

3.4 Management Cycle of a Broker ConfigurationThe broker helps you to create a new configuration or manage an existing configuration. Figure 3-5 shows the life cycle of a broker configuration.

Data Guard Broker, 11g Release 2 (11.2)

Oracle Data Guard Broker Concepts

1.3 Data Guard Broker Management ModelThe broker simplifies the management of a Data Guard environment by performing operations on the … following logical objects: Configuration of databases A single database The broker supports one or … standby database. A supported broker configuration consists of: A configuration object, which is a named … systems. Da tabase objects,

Data Guard Broker, 11g Release 2 (11.2)

Scenarios Using the DGMGRL Command-Line Interface

Step 3   Create the broker configuration.Step 3    Create the broker configuration. To create the broker configuration, you first define the

Data Guard Broker, 11g Release 2 (11.2)

Managing Broker Configurations

3.3 Starting the Data Guard BrokerFigure 3-2 Broker Configuration Setup in a CFS Area Description of ''Figure 3-2 Brokerbroker configuration files on Oracle ASM devices. In this scenario, the parameters and values would be … ; ALTER SYSTEM SET DG_BROKER_CONFIG_FILE2 = '+DG/DIRECTORY/DR2.DAT' SCOPE=BOTH; Figure 3-3 Broker … Configuration Setup

Data Guard Broker, 11g Release 2 (11.2)

Oracle Data Guard Broker Concepts

1.2 Benefits of Data Guard Broker1.2 B enefits of Data Guard Broker The broker's interfaces improve usability and centralize … and Personal Edition of the Oracle database, the broker is also integrated with the Oracle database … and Oracle Enterprise Manager. These broker attributes result in the following benefits: Disaster … configuration, the broker

Data Guard Broker, 11g Release 2 (11.2)

What's New in Oracle Data Guard Broker?

What's New in Oracle Data Guard Broker?This preface describes the new features added to Oracle Data Guard broker in Oracle Database 11 g

Data Guard Broker, 11g Release 2 (11.2)

Scenarios Using the DGMGRL Command-Line Interface

Step 2   Remove the broker configuration.broker: DGMGRL> REMOVE CONFIGURATION; Note: You cannot remove the configuration if fast-start … DGMGRL> SHOW CONFIGURATION; Error: ORA-16532: Data Guard broker configuration does not exist Configuration details cannot be determined by DGMGRL