June 2013
Beginner
404 pages
9h 40m
English
Content preview from Oracle Data Guard 11gR2 Administration : Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Time for action – failover with a logical standby using broker
Follow these steps to perform failover to a logical standby database using the Data Guard broker:
- Check both the primary and logical standby databases' status. If the primary database is completely unavailable, you can check the configuration status from the logical standby database as shown in the following code:
DGMGRL> show configuration; Configuration - PACKT Protection Mode: MaxPerformance Databases: turkey_un - Primary database INDIA_UN - Logical standby database Fast-Start Failover: DISABLED Configuration Status: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor ORA-16625: cannot reach database "turkey_UN" DGM-17017: unable to determine ...
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