Synchronous Replication

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1. Synchronous Replication will only allow new data to be written to the storage sites when the previous set of data is completely written to both the primary and the secondary (remote) storage sites.

Related Terms: Replication, Synchronous, Asynchronous Replication, Data Protection/Recovery Strategy - Category.

Note (1): The advantage of this approach is that the two sets of data are always synchronized.

Note (2): The disadvantage is that if the distance between the two storage disks is substantial, the replication process can take a long time and hence, slows down the application writing the data.

BCMBoK Competency Level
BCMBoK 4: Business Continuity Strategy CL 2D: Intermediate (DR)

(Source: Business Continuity Management Institute - BCM Institute)