Home > Storage > PowerMax and VMAX > Storage Admin > Dell EMC PowerMax and VMAX: Non-Disruptive Migration Best Practices and Operational Guide > Migrate storage groups with shared volumes
Prior to Solutions Enabler 9.1, data migration using NDM would be blocked if devices were shared across storage groups selected for migration.
With Solutions Enabler 9.1, users can migrate storage groups that have fully or partially overlapping devices. This results in multiple SGs being migrated as part of the NDM session.