Active Data Guard feature: since 11g keeping your Oracle Data Guard open in read-only mode, and still applying redo information

The active Data Guard feature is not something new. It has been on since Oracle Database version 11g, but it is the first time I am writing about it on my blog (I think so!), and I think it is always nice not to miss anything on our career path. So here we go! Before Oracle Database version 11g, it was already possible to open Oracle Data Guard in open mode. Still, there were some complications, e.g., when it was needed to recover the standby database. Thinking on that, Oracle…

Using Oracle Data Guard with Oracle Data Guard Broker? Disable your LOG_ARCHIVE_n parameters and reconfigure your Oracle Data Guard Broker settings

When configuring Oracle Data Guard Broker to be used in your Oracle Data Guard configuration, you must disable the parameter log_archive_dest_n to Null at Primary and Standby before starting your setup. Otherwise, you are going to receive the following error on your Data Guard configuration: “Error: ORA-16698: LOG_ARCHIVE_DEST_n parameter set for object to be added”. It’s effortless to modify this parameter, and an example on an Oracle RAC database it is as it is below on the Primary and Standby databases: #Primary: #Standby: The idea is the Broker control LOG_ARCHIVE_*…