High Availability Data Guard, Sharding and Global Data Services (MOSC)

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On Oracle Data Guard Scenarios

edited Jun 27, 2017 3:57AM in High Availability Data Guard, Sharding and Global Data Services (MOSC) 1 commentAnswered

Dear HA Data Guard community,

As an Oracle partner we are discussing best practises with one customer on the following Oracle Data Guard implementation scenarios:

SCENARIO 1

HOST A (Oracle Database 12c 12.1.0.2.0) including 2 database instances: A1, A2.

HOST B (Oracle Database 12c 12.1.0.2.0) including 2 database instances: B1, B2.

HOST A as Primary database for instances: A1, A2 & HOST B as Physical Standby for instances: A1, A2; while at the same time HOST B as Primary database for instances: B1, B2 & HOST A as Physical Standby for instances: B1, B2.

SCENARIO 2

HOST A (Oracle Database 12c 12.1.0.2.0) including 2 database instances: A1, A2.

HOST B (Oracle Database 12c 12.1.0.2.0) including 2 database instances: B1, B2.

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