I swapped out a good drive with a new drive. I followed the directions here (https://support.wdc.com/knowledgebase/answer.aspx?ID=11007#RAID1) for a RAID 1 setup and did an automatic rebuild. It took about 15 hours and then I did a reboot The RAID Profile says the RAID Health is Healthy. Volume_1 RAID 1 is Good. I ran the System Test and the results have check boxes for Drive1, Drive2, Memory, System Temperature and Fan. I ran the quick test on the Drive and the results say: Disk1 Passed - Quick dist test completed successfully and Disk2 Passed - Quick dist test completed successfully. Yet, the Notification bell at the top still shows red and Volume Degraded. What do I need to do to resolve this?