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# View device groups

A device group is a user-defined group that consists of devices that belong to a locally attached storage system. Control operations can be performed on the group as a whole, or on the individual device pairs in the group. By default, a device can belong to more than one device group.

## Steps

1. Select the storage system.
2. Select Data Protection > Device Groups.
3. Click the Device Groups tab to open the Device Group list view.
   Use the Device Group list view to view and manage device groups.

   The following properties display, depending on the operating environment:

   - Name—User-defined device group name
   - Group Type—Device configuration of the devices in the group - possible values are: Regular, R1, R2, R21, or Any
   - Standards—Number of standard devices in the device group
   - BCVs—Number of BCV devices in the device group
   - VDEVs—Number of virtual devices in the device group
   - Targets—Number of target devices in the device group
   - Gatekeepers—Number of gatekeeper devices in the device group (does not apply to storage systems running HYPERMAX OS 5977).
   - Group Valid—Indicates whether the device group is valid.

   The following controls are available, depending on the operating environment:

   - —View device group details
   - Create— Create device groups
   - Rename— Add volumes to device groups
   - —Delete operations
   - Add Volumes— Add volumes to device groups
   - Replication QOS— QOS for replication