Dataguard Concepts
Introduction to Oracle Data Guard Oracle Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. Data Guard provides a comprehensive set of services that...
View ArticleDataguard Performance Modes
Data Guard Broker The Data Guard broker is a distributed management framework that automates the creation, maintenance, and monitoring of Data Guard configurations. You can use either the Oracle...
View ArticleFast Start Failover In oracle 10gr2 Dataguard
Manual Failover to a Physical Standby Database Use the following commands to perform a manual failover of a physical standby database: 1. For manual failovers in a Real Application Clusters...
View ArticleHow to restore the lost archivelogs before it is shipped to the Standby
Today ,the day following the weekend we realised all the archivelogs are deleted before being shipped to the standby We usually keep only 2 days archivelogs so that to avoid asm diskgroup from getting...
View ArticleHow to Setup Dataguard using RMAN’s duplicate command?
Hi all, Recently we implemented MAA architecture which consists of RAC production database along with Near and Far DR which are also RAC. Setting up a Dataguard can be time consuming because the...
View ArticleHow to resolve ora-1119 in logical standby environment?
Hi all, As we all know Logical standby is absed on sql apply concept and use log mining to get the sql statement from archive logs . Generally for an standby environment it is required that both the...
View ArticleHow to check progress of Oracle Dataguard?
Hi All, Generally when Oracle dataguard is configured it is necessary to check progress of your database so as to make sure that archive logs are getting shipped to physical standby. In order to check...
View ArticleHow to Troubleshoot Logical standby database?
Hi, 1. Verify that the primary database is setup to remotely archive by checking the parameter log_archive_dest_2=’SERVICE=tnsname alias lgwr’; 2. Verify that remote archiving to the logical standby is...
View ArticleWhat are prerequisites for creating a logical standby database?
Hi , Prior to creating the Logical Standby please ensure the following: 1) Determine if the primary database contains datatypes or tables that are not supported by a logical standby database. SQL>...
View ArticleScript To Diagnose PRIMARY SITE AND PHYSICAL STANDBY SITE in ORACLE DATAGUARD...
—————-Script to Collect Data Guard Primary Site Diagnostic Information.txt———- set echo off set feedback off column timecol new_value timestamp column spool_extension new_value suffix select...
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