How do I set up Active Data Guard?
How To Enable Active Data Guard?
- Step1: Check standby database recovery mode.
- Step2: Stop Recovery.
- Step3: Enable Active Data Guard.
- Step4: Check Database Role.
- Step5: Start Recovery.
- Step6: Check Database Role After Recovery.
- Step7: Try to login from third party clients (TOAD, SQL Developer).
What is Active Data Guard in Oracle 11g?
Oracle Active Data Guard, an option of Oracle Database 11g Enterprise Edition is a simple, high performance solution that protects your Oracle Database against planned and unplanned downtimes, by allowing you to offload resource workloads from your production database to one or more synchronized standby databases.
How do I enable Active Data Guard using Dgmgrl?
Perform the following steps:
- Invoke DGMGRL and connect as SYS. Enter for SYS.
- Invoke SQL*Plus and connect to your standby database as SYSDBA.
- Invoke DGMGRL and connect as SYS.
- Invoke SQL*Plus and connect to your standby database as SYSDBA.
- Invoke SQL*Plus and connect to your primary database as SYSDBA.
How do I make my Oracle 11g a standby database as primary?
After you complete these steps, the database is prepared to serve as the primary database for one or more standby databases.
- 1 Enable Forced Logging.
- 2 Configure Redo Transport Authentication.
- 3 Configure the Primary Database to Receive Redo Data.
- 4 Set Primary Database Initialization Parameters.
What is FAL_SERVER and FAL_CLIENT in Data Guard?
Answer: The fal_server and fal_client are init. ora parameters are used for the gap resolution. When MRP finds that an archive log is missing during media recovery, it sends the fal_client information to the server identified by fal_server and requests fal_server to resend the file again.
How do you change physical standby to active data guard?
Steps to Convert Physical Standby to Active Dataguard :
- Cancel the media recovery on Physical Standby.
- Open the Physical Standby Database.
- Start media recovery with real-time log apply.
- Check the database status.
What is the use of Standby_file_management?
STANDBY_FILE_MANAGEMENT enables or disables automatic standby file management. When automatic standby file management is enabled, operating system file additions and deletions on the primary database are replicated on the standby database.
Is Oracle Data Guard active active?
Oracle Active Data Guard standby databases can be opened read-only while replication is active, and they can be used to offload ad-hoc queries and reporting workloads from the production database.
How does Active Data Guard work?
Active Data Guard enables read-only access to a physical standby database while Redo Apply is active. Queries and reports can be offloaded from the production system to a synchronized physical standby database – all queries at the standby database return up-to-date results.
How is Oracle Active Data Guard license?
Data Guard is a feature of the Oracle Database Enterprise Edition itself and does not require separate licensing. On the other hand, Active Data Guard is a so-called Oracle Database Enterprise Edition Option and as such requires separate licensing.
How do I get rid of Dgmgrl configuration?
- Remove broker configuration from DGMGRL command line using sys user from primary database.
- In primary database set the db_broker_start parameter false.
- Check the archive log destination in primary database.
- In standby database set the db_broker_start parameter false.
What is Active Data Guard Oracle?
Oracle Active Data Guard is the most comprehensive solution available to eliminate single points of failure for mission critical Oracle Databases. It prevents data loss and downtime in the simplest and most economical manner by maintaining a synchronized physical replica of a production database at a remote location.