Oracle Dataguard: Standby Database Failover Handbook. Bipul Kumar

Oracle Dataguard: Standby Database Failover Handbook


Oracle.Dataguard.Standby.Database.Failover.Handbook.pdf
ISBN: 9780974599380 | 230 pages | 6 Mb


Download Oracle Dataguard: Standby Database Failover Handbook



Oracle Dataguard: Standby Database Failover Handbook Bipul Kumar
Publisher: Rampant Techpress



The broker automates switchover and failover to a specified standby database in the broker configuration. A snapshot standby database is a fully updatable standby database that is After a switchover or failover between the primary database and one of the physical or logical standby databases in a configuration, the snapshot standby database can receive redo data from the new primary database after the role transition. The steps above are well-documented in the Oracle Dataguard Concepts and Administration manual. Apr 8, 2010 - Data Guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production Oracle databases to survive disasters and data corruptions. Fast-Start Failover: DISABLED Configuration Status: DISABLED DGMGRL> help. Testing failover to the standby database to insure all parts are working. "TESTDB" of database "TESTDB_STANDBY" Still there is manual step to do but this time database was shut down automatically, and Observer was unable to connect to start up database. Jan 22, 2013 - dg - Primary database. SQL> shutdown immediate; ORA-01507: database not mounted ORACLE instance shut down. I don't want to describe whole solution here but want to focus on Observer . Jun 7, 2013 - FastStart Failover is a good solution for automatic promoting standby database to be primary and allow application to keep running in case of primary database failure. Benefits of Data Guard Broker The broker's interfaces improve usability and centralize management and monitoring of the Data Guard configuration. Oct 7, 2010 - Snapshot Standby Database Oracle 11g introduces a new Feature in Dataguard – the Snapshot Standby Database which can be in read-write mode. Jun 25, 2009 - SQL> ALTER DATABASE CONVERT TO PHYSICAL STANDBY; Database altered.





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