What does Dgmgrl stand for?

What does Dgmgrl stand for?

Data Guard command-line interface
The Data Guard command-line interface (DGMGRL) enables you to manage a Data Guard broker configuration and its databases directly from the command line, or from batch programs or scripts.

Which is a property of the Data Guard control?

Properties have either configuration-wide scope, database-wide scope, far sync instance-wide scope, or instance-specific scope. Configuration-wide properties control the behavior of the broker on all members of the configuration.

How do I use Dgmgrl?

Oracle Data Guard broker utility – dgmgrl

  1. DGMGRL> ADD DATABASE db_name [AS CONNECT IDENTIFIER IS conn_identifier] [MAINTAINED AS {PHYSICAL|LOGICAL}];
  2. DGMGRL> CONNECT username/password[@connect_identifier]
  3. DGMGRL> CONVERT DATABASE database_name TO {SNAPSHOT STANDBY|PHYSICAL STANDBY};

How do I enable Dgmgrl?

To enable DGMGRL to restart instances during the course of broker operations, a service with a specific name must be statically registered with the local listener of each instance. The value for the GLOBAL_DBNAME attribute must be set to a concatenation of _DGMGRL. . Examine the listener.

How can I check my dataguard status?

HOW TO QUERY DATAGUARD STATUS

  1. SELECT DATABASE_ROLE, DB_UNIQUE_NAME INSTANCE, OPEN_MODE, PROTECTION_MODE, PROTECTION_LEVEL, SWITCHOVER_STATUS FROM V$DATABASE;
  2. On the standby database, query the V$ARCHIVED_LOG view to verify the archived redo log files were applied.

How do I remove DG broker configuration?

  1. Remove broker configuration from DGMGRL command line using sys user from primary database.
  2. In primary database set the db_broker_start parameter false.
  3. Check the archive log destination in primary database.
  4. In standby database set the db_broker_start parameter false.

Where is Data Guard broker log?

In order to investigate any issues around Data Guard broker, it has its own log files we can find them in same diag destination where the alert log is located with the file name drc$ORACLE_SID.

How many standby databases we can create in 12c?

2 Standby Databases. A standby database is a transactionally consistent copy of the primary database. Using a backup copy of the primary database, you can create up to thirty standby databases and incorporate them into an Oracle Data Guard configuration.

What is Data Guard broker or what is the use of Dgmgrl?

Oracle Enterprise Manager and the Data Guard command-line interface (DGMGRL) are the broker client interfaces that help you define and manage a configuration consisting of a collection of primary and standby databases. DGMGRL also includes commands to create an observer, a process that facilitates fast-start failover.

How do I enable Data Guard broker?

How to Create and Enable an Oracle Data Guard Broker…

  1. Create an Oracle Data Guard Broker configuration for the primary database.
  2. Add the standby database to the Oracle Data Guard Broker configuration.
  3. Configure the apply instance for the standby database.

How do I know if my database has data guard?

How do I use the dgmgrl command line interface?

The DGMGRL command prompt is displayed: You can supply optional parameters on the command line to indicate how you want the Data Guard command-line interface to display output such as command p rompts, ba nners, and messages. Additionally, a single command mode is available.

How are lowercase characters interpreted in dgmgrl?

Characters specified in a DGMGRL command string value are interpreted as lowercase characters, unless enclosed in double (“) or single (‘) quotation marks. For example, database and DatAbaSe are equivalent, but “database” and “DatAbaSe” are not.

How to perform switchover to stydb using dgmgrl?

Switchover using dgmgrl: DGMGRL> connect sys/oracle Password: Connected as sys. DGMGRL> switchover to STYDB Performing switchover NOW, please wait… Operation requires a connection to instance “STYDB1” on database “STYDB” Connecting to instance “STYDB1″… Connected as SYSDBA. New primary database “STYDB” is opening…

Why does dgmgrl automatically shut down and restart a given database?

Some operations on a broker configuration may require that one or more databases be shut down and restarted. In most cases, DGMGRL will automatically shut down and restart a given database for you if the following are true: The instance-name is the SID (this applies to Cloud Control as well as DGMGRL).

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