Dell DR series Administrator's Manual page 33

5. To verify that an enclosure was added, click Dashboard→ Health.
The Health page is displayed, and each properly cabled and activated expansion shelf enclosure has a
corresponding tab that displays a green status check mark (for example, if you have installed two enclosures, two
tabs are displayed: Enclosure 1 and Enclosure 2).
NOTE: If the Enclosure tab does not display a green status check mark, this indicates that there is an issue
with the enclosure (such as it has not been properly connected or activated).
6. After adding an expansion shelf enclosure, make sure that you install an expansion shelf license.
For more information, see Installing an Expansion Shelf License.
33