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# View SRDF/Metro Smart DR environments

SRDF/Metro Smart DR is a two-region high available (HA) disaster recovery (DR) solution. It integrates SRDF/Metro and SRDF/A enabling HA DR for a Metro session.

## Prerequisites

- The storage system must be running PowerMaxOS 5978 Q3 2020 or later.

## About this task

To view a list of smart DR environments:

## Steps

1. Select the storage system.
2. Select Data Protection > MetroDR to display the MetroDR Environments list view.
   Alternatively, select Storage > Storage Groups, click a storage group that SRDF/Metro protects, and click the number next to MetroDR Environment in the detail view of the selected storage group.

   The following properties display in the list view:

   - Environment Name—The smart DR environment name
   - Capacity (GB)—Capacity (in GB) of all devices in the smart DR environment on the storage system specified
   - Environment Status—The status of the smart DR environment
   - Metro Status—Status of Metro
   - DR Status—Status of DR
3. Select a smart DR environment to view its details.

   The following properties display in the details view:

   - Environment Name—The smart DR environment name
   - Environment State—The state of the smart DR environment
   - Exempt Volumes—Indication that there are exempt devices in the environment.
   - Capacity (GB)—Capacity (in GB) of the local devices in the smart DR environment
   - Metro R1 Array—The metro R1 array
   - Metro State—The pair states of the metro session
   - Metro Service State—The HA state of the metro session
   - Metro % Done—Percentage synchronized in metro session (when states are applicable) - this value is replaced with a dash when it reaches 100 or is 0.
   - DR State—The pair states of the DR session
   - DR Service State—The HA state of the DR session
   - Metro R2 Array—The metro R2 array
   - DR Mode—The DR mode
   - DR % Done—Percentage synchronized in DR session (when states are applicable) - this value is replaced with a dash when it reaches 100 or is 0.
   - DR Array—The DR array
   - Metro R1 Storage Groups—The corresponding storage groups on the Metro R1 array for the environment
   - Metro R2 Storage Groups—The corresponding storage groups on the Metro R2 array for the environment
   - DR Storage Groups—The corresponding storage groups on the DR array for the environment

   Click View All Details to go to the MetroDR Environment Details view.

   The following controls are available from the list view:

   - Establish— Establish a session in a SRDF/Metro Smart DR environment
   - Suspend— Suspend a session in a SRDF/Metro Smart DR environment
   - Recover— Recover a session in a SRDF/Metro Smart DR environment
   - Modify — Modify a SRDF/Metro Smart DR environment
   - Remove— Remove a session in a SRDF/Metro Smart DR environment
   - Metro > Restore Metro— Restore a session in a SRDF/Metro Smart DR environment
   - DR > Restore DR— Restore a session in a SRDF/Metro Smart DR environment
   - DR > Split— Split a DR session in a SRDF/Metro Smart DR environment
   - DR > Failover— Failover a DR session within a SRDF/Metro Smart DR environment
   - DR > Failback— Failback a DR session within a SRDF/Metro Smart DR environment
   - DR > Update R1— Update a DR session within a SRDF/Metro Smart DR environment
   - DR > Set Mode— Set mode on a DR session within an SRDF/Metro Smart DR environment

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