Either take care of getting all redo to the standby (do you have standby redo log files implemented) or do an 'alter database activate standby database' Best regards, Carel-Jan Engel === If you think education is expensive, try ignorance. (Derek Bok) === On Mon, 2006-10-09 at 14:54 -0500, Roger Xu wrote: > Hi, > > I am testing failover but getting ORA-1666 error. > Am I missing something here? > > Thanks, > > Roger > > > > SQL> alter database recover managed standby database finish; > > Database altered. > > SQL> alter database commit to switchover to primary; > alter database commit to switchover to primary > * > ERROR at line 1: > ORA-16139: media recovery required > > > SQL> shutdown immediate; > ORA-01109: database not open > > > Database dismounted. > ORACLE instance shut down. > SQL> startup > ORACLE instance started. > > Total System Global Area 420480856 bytes > Fixed Size 730968 bytes > Variable Size 117440512 bytes > Database Buffers 301989888 bytes > Redo Buffers 319488 bytes > ORA-01666: controlfile is for a standby database > > > SQL> > > This e-mail is intended solely for the person or entity to which it is > addressed and may contain confidential and/or privileged information. > Any review, dissemination, copying, printing or other use o > ____________________________________________________________________ > This email has been scanned for all viruses by the MessageLabs Email > Security System.