For NT-8040R and NT-8040RP are 8 bay models.
When using 3TB disk for all 8 bays and only create one volume in RAID Management.
Then RAID status show:
The maximum volume size to create RAID on Titan NVR is 16TB. Please make sure every volume you are going to create is under 16TB.
2. Please refer to the below link for Titan User Manual on page 35, 36 for more information about RAID & File Setting.http://www.nuuo.com/backend/CKEdit/upload/files/Titan%20NVR_Server%20User%20Manual_v1_5_0.pdf
3. If the issue still persists please contact us at eHelpdesk.