If 300G drive modules were in use when EPAP was installed, EPAP must be re-installed to take advantage of the additional storage capacity available on 480G drive modules.
Procedure - Increase Data Capacity with 480G Drive Modules
Backup the data and configurations of the existing setup.
Follow the steps in 3.2 Pre Full Upgrade Steps and 3.3 Data Backup before Full Upgrade in Full Upgrade Guide.
If you have not already replaced both 300G drive modules with 480G drive modules, remove the 300G drive modules from the E5-APP-B card.