Home > Workload Solutions > SAP > Guides > SAP HANA TDI Guides > Business Continuity and Disaster Recovery with Dell PowerMax Storage for SAP HANA TDI Deployments > Introduction
This use case illustrates moving or failing back the SAP HANA persistent devices to the source site using SRDF/S or SRDF/A.
Important: In this use case, the data at the remote site is restored to the source PowerMax system. Ensure that you know which data is needed.