Home > Storage > PowerMax and VMAX > Data Protection > Dell EMC PowerMax and VMAX All Flash: TimeFinder SnapVX Local Replication > TimeFinder/ Mirror
Full establish and full restore operations between a GCM device and a non-GCM device result in the device that is the target of the data copy having its GCM attribute changed to match the GCM attribute setting of the device that is the source of the data copy.