Cascaded Standby Mechanism
edited Sep 30, 2013 1:08PM in High Availability Data Guard, Sharding and Global Data Services (MOSC) 4 commentsAnswered
How does it works for Cascaded Standby Setup:
Option 1:
Primary - 2 Node RAC
Cascading Standby - 1 Node RAC
Cascaded Standby - 2 Node RAC
Primary -- Real Time Apply -- >> Cascading Standby -- Arch Apply -- >> Cascaded Standby
Option 2:
Primary - 2 Node RAC
Cascading Standby - 1 Node RAC
Cascaded Standby - 1 Node RAC
Primary -- Real Time Apply -- >> Cascading Standby -- Arch Apply -- >> Cascaded Standby
Option 3:
Primary - 2 Node RAC
Cascading Standby - 2 Node RAC
Cascaded Standby - 2 Node RAC
Primary -- Real Time Apply -- >> Cascading Standby -- Arch Apply -- >> Cascaded Standby
Or is it possible to have all those options for configuration in 11.2.0.3 database version? Is there any special consideration specific to Exadata System if both Cascading and Cascaded Standby are in same Exadata box?
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