Home > Storage > PowerMax and VMAX > Data Protection > Dell PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices > Smart DR removal
To remove a Smart environment, users must use the symmdr environment –remove SYMCLI command. The final result will be a Concurrent (CRDF) or Cascaded (CRDF) topology which has one mirror that is a Metro session and one mirror that is either a SRDF/A session or adaptive copy disk mode. The user can choose to keep a specific DR leg that originates from the MetroR1 side or the MetroR2 side.
The resulting state of a successful remove operation will be as follows: