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Selective data distribution and failover

Selective data distribution recreates objects on the target system in a replica that preserves the object relationships and naming on the target server without interfering with active objects on the system. Objects within a replica are read-only and disabled. They cannot be failed over. However, you can use virtual databases (VDBs) within a replica as the source for provisioning new VDBs.


A replica contains a set of replicated objects. These objects are read-only and disabled while replication is ongoing. To view replicated objects:

  1. Click System.

  2. Select Replication.

  3. Under Received Replicas, select the replica. On this screen, you can browse the contents of replicas or delete individual replicas. As described in the Selective Data Distribution Overview, VDBs and environments are included within the replica.

You can also view replicated objects under namespace in the command-line interface (CLI).

Deleting a replica will sever the link with the replication source. Subsequent incremental updates will fail, requiring the source to re-establish replication.

Multiple replicas can exist on the system at the same time. Active objects can exist in the system alongside replicas without interfering with replication updates. VDBs within a replica can also be used as a source when provisioning. For more information, see Provisioning from Replicated Data Sources or VDBs.


Selective data distribution does not support the failover of replicas.

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