Manual Failover in Data Guard

We understood roles of the database in the previous article and explored SwitchOver of database roles. Manual SwitchOver in Oracle   In this article, we will see FailOver of the Database role. When we have planned maintenance activity we can simply switch roles of Primary and Standby database. But what if Primary Database crashes and […]

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Changing Protection Modes in Oracle

We have seen Protection Modes in depth in my previous Article. To read protection modes in data guard : Protection modes in Oracle Dataguard In this article, we will see changing protection modes . First, we need to decide what protection mode we want in our environment. Which protection mode suits better.What is important for […]

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Setting Protection Modes in Dataguard

In this article, we will see parameters that we can set while setting different protection modes and its impact on primary database and standby database. Protection modes in Oracle Dataguard We have already seen Protection Modes in Data Guard Protection modes in Oracle Dataguard Now let us see Redo Transport Attributes required for setting different protection […]

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Physical Standby Data Guard Health Check

Physical Standby Data Guard Health Check : After creating any DR server, our main concern is that it should be in synchronized state So if an outage occurs at Production database, we can move to standby database as soon as possible. To know more about it Oracle Dataguard We have following steps to check Data Guard […]

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Snapshot Standby Databases: Overview & Architecture

Snapshot Standby Database : We have already seen types of standby database in Data Guard. Oracle Dataguard In this article we are going to see Snapshot Standby Database in deep. In snapshot standby type database stays in a read,write mode that is fully update-able database. Snapshot standby database is created by converting physical standby database […]

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Start transport and Application of redo in Data Guard

In a previous post, we have seen various methods to create Physical Standby Database. Create Standby Database using duplicate database for standby RMAN command In this post, we will see how archive logs are transferred and recovered from a standby database and concern processes for redo transport and recovery. There are main two processes in […]

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Create Physical Standby Database using RMAN Backup Restore

We have seen preparing Primary Database for Dataguard and creating Oracle network service on both sides. In this article, we will see Physical Standby database creation and configuration using RMAN backup and restore. Step 1: Connect to the Primary database and check if recovery area has enough space configured or not.

Step 2: Connect to […]

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Create Standby Database using duplicate database for standby RMAN command

We have seen preparing Primary Database for Dataguard and creating Oracle network service on both sides. In this article, we will see Physical Standby creation using RMAN duplicate database for standby command. Note: For this process, we need to copy password file from primary side to standby side under $ORACLE_HOME/dbs Database Detail : Connect to Primary Database […]

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