What is Data Guard in Oracle 11g?

What is Data Guard in Oracle 11g?

Oracle Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. Data Guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production Oracle databases to survive disasters and data corruptions.

How Create Data Guard in Oracle?

  1. Use Oracle Data Guard Broker with Oracle Data Guard.
  2. Use Recovery Manager to Create Standby Databases.
  3. Use Flashback Database for Reinstatement After Failover.
  4. Use FORCE LOGGING Mode.
  5. Use a Simple, Robust Archiving Strategy and Configuration.
  6. Use Standby Redo Logs and Configure Size Appropriately.

What is FAL_SERVER and Fal_client in Data Guard?

FAL_SERVER used to fetch archive log server for a standby database. Value in FAL_SERVER parameter act as Oracle Net Service name which point to standby database. FAL_CLIENT Parameter. FAL_CLIENT specifies the FAL(fetch archive log) client name that is used by the FAL service.

What is FAL_SERVER and FAL_CLIENT in Data Guard?

What is Data Guard background process?

The Data Guard monitor process (DMON) is an Oracle background process that runs for every database instance that is managed by the broker. When you start the Data Guard broker, a DMON process is created.

What is the Active Data Guard option (Oracle Database 11g)?

• The Active Data Guard option(Oracle Database 11g) enables a physical standby database to be used for read-only applications while simultaneously receiving updates from the primary database. Queries executed on an active standby database return up- to-date results.

What is a Data Guard configuration?

A Data Guard configuration consists of one production database and one or more standby databases. The databases in a Data Guard configuration are connected by Oracle Net and may be dispersed geographically. There are no restrictions on where the databases are located, provided they can communicate with each other.

How do I use the Oracle Data Guard broker to automate failovers?

You can also use the Oracle Data Guard broker to simplify role transitions and automate failovers using Oracle Enterprise Manager or the DGMGRL command-line interface, as described in Section 1.3. The Data Guard broker is a distributed management framework that automates the creation, maintenance, and monitoring of Data Guard configurations.

Are there any books about Oracle Database 11g?

If you are familiar with earlier Oracle releases and are moving to Oracle Database 11 g, these books describe the new features, and explain how to upgrade your database. Build applications around Oracle databases using the languages and platforms of your choice. Each page in the library lists the essential books in a specific topic area first.

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