Here is a diagram to summarize what kind of configuration is recommended for having a Production Oracle Database environment with an adequate DR configuration.
The DR solution, which is a 2 tiered one (a Local DR and Remote DR) shown in below figure is completely dependent on the use of Oracle Dataguard.
I recommend Maximum Availability mode for Local DR/Standby and Maximum Performance Mode for the Remote DR. (as already shown in the figure below -- in the text box)
The figure is self explanatory but if you have any questions, I can happily answer.
Some of my blog post regarding the same subject:
The DR solution, which is a 2 tiered one (a Local DR and Remote DR) shown in below figure is completely dependent on the use of Oracle Dataguard.
I recommend Maximum Availability mode for Local DR/Standby and Maximum Performance Mode for the Remote DR. (as already shown in the figure below -- in the text box)
The figure is self explanatory but if you have any questions, I can happily answer.
You can find more info about the Oracle DR and Standby configuration in this blog...
Some of my blog post regarding the same subject:
http://ermanarslan.blogspot.com.tr/2016/03/rdbms-high-level-overview-of-dataguard.html -- a good overview
http://ermanarslan.blogspot.com.tr/2016/03/rdbms-dataguard-physical-standby.html -- an interesting conf , 6 cascaded standby databases.
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