Home > Storage > PowerFlex > White Papers > Replication using Container Storage Module with Dell PowerFlex > Prerequisites
Before enabling replication on PowerFlex storage clusters, ensure that the PowerFlex clusters at Site-A and Site-B are configured and ready as per the above logical diagram, protection domain, storage pools are created, and the SDR component installed on both the PowerFlex systems. Journaling capacity is set on source and destination PowerFlex systems. The OpenShift cluster that has PowerFlex SDC installed is operational and running smoothly.