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Oracle Data Guard 11gR2 Administration Beginner's Guide by Nassyam Basha, Emre Baransel

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Oracle Data Guard fast-start failover

In Data Guard configurations, in case of any disasters in primary database systems or any corruptions or errors in the database that are not recoverable quickly, a failover can be performed manually on the standby database to convert it to a primary database and use it for production services. Another option is to automate the failover using the fast-start failover feature. A fast-start failover can be configured or managed either by DGMGRL or grid control.

If a fast-start failover is not configured and the production database is completely unavailable, and if you want to perform a failover on the standby database in such a case, you first have to understand the status of the standby database, whether all the ...

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