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

SQL> Alter system set log_archive_dest_state_n=defer; Check last log sequence Select max(sequence#) from v$log_history. As this is in READ If this is your only standby database, if you have to failover to it, the failover is going to take longer - because the standby has to be flashed back, and caught up, before the transition can complete, be aware that worst case scenario. In Oracle 11g dataguard, using active standby database feature you can open a standby database in read/write mode which is not possible in earlier versions. Feb 1, 2010 - Steps for dataguard failover test with database flashback. Dec 12, 2011 - MANUAL FAILOVER ON PHYSICAL STANDBY DATABASE This note describes how to perform manual failover operations in physical standby databases with out DG Broker. SQL> shutdown immediate; ORA-01507: database not mounted ORACLE instance shut down. Dec 28, 2009 - Fast-Start Failover. Dec 9, 2013 - 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. Jun 25, 2009 - SQL> ALTER DATABASE CONVERT TO PHYSICAL STANDBY; Database altered. Jan 30, 2001 - It is a COMBO of streams + data guard (lgwr shipping redo -> another machine, thats data guard, then streams converting that into logical change records -> sql apply) streams by itself would be very different. Sep 5, 2012 - Introduced in Oracle 11gR1, a snapshot standby database is a physical standby that is temporarily disconnected from Data Guard configuration and able to be used as a fully updatable stand-alone database. Jul 31, 2008 - Next, you will find details on Data Guard Broker, Oracle Enterprise Manager Grid Control, active standby databases, Data Guard failover, backup and recovery considerations, troubleshooting, and more. Jul 12, 2013 - Oracle Data Guard also can be used for load balancing: the standby can be opened for queries, testing, reporting. Database administrator can choose either manual or automatic failover of production to a standby database. Message: Hi, Oracle 9i vs oracle 10g standby database features You can also achieve standby in standard edition by using manual archivelog shipping. Also EE standby database switchover & failover is possible but in SE standby database only failover is possible. On Primary Defer the log shipping to standby. The reason for the multiple copies of the configuration file is if the primary has a problem then each standby database has a copy, when a failover occurs the standby that becomes the primary will then become the master of those configuration files. Activate -- fail over -- to the standby, the tuning you did for the redo logs won't be over there, they will not be sufficient perhaps to handle your load, so maybe you want to keep them the same" You can always add more logs to the standby if/when you failover.