Add volumes to host groups as logical units (LUs) as follows: From the Dashboard, click Storage Systems. Select a storage system from the list. Click the Host Groups/ISCSI Targets tile. The Host Groups window opens. Select a host group from the list. Click the Edit icon () and select Add LUs to Host Groups to open the wizard. Select one or more volumes to add to a host group. Click Next to move to Attach Settings. Click LUN Setting to edit the LUN setting for a volume. Click Submit.