Not able to format an external USB harddrive on RHEL 6.9

A USB harddrive with 1TB size was attached to the RHEL 6.9 server, however, the drive is recognised by the OS, but it cannot be formatted for some reason even after a number of reboot.

Please kindly advise how we can format this attached USB harddisk, attached please find the relevant screenshots for your investigation. Thank you for your attention on this matter.