PowerFlex native asynchronous replication supports different topologies. The options you have with PowerFlex replication topologies depend on the version of PowerFlex clusters that are going to participate in replication. PowerFlex version 4.x supports up to four peers when all clusters are version 4.x. Mixed-version topologies are restricted to one peer, two systems, when one of the PowerFlex clusters is earlier than version 4.x.

Replication topology options are as follows:

• One-directional: One source system replicating to one destination
• Bi-directional: Two systems in which each is a destination
• One to many: One system replicating to multiple systems
• Many to one: Many systems replicating to one system

Figure 5.   Asynchronous replication topologies