This alert is typically associated with another alert that would indicate why the front end ports needed rebalancing. The appropriate troubleshooting steps would be to troubleshoot the other alert(s). This message is for informational purposes only.
Verify the array has been turned on at least 5 minutes, with no fault LED lit on the either the front of the chassis or either controller. Verify the Diagnostic LEDs on each controller indicate both controllers are fully booted.