Sorry, not quite understand term 6.
but from the requirement given, you need
LUN Architecture
Database and Log Configuration / Server
Database Copy Max Mailboxes / DB DB Size DB Size + Overhead Log Size + Overhead
DB-x 333 836 GB 1003 GB 315 GB
RAID Storage Architecture / PDC Server Database+Log
Disk Capacity / Type 2000 GB / 7.2K RPM SAS 3.5"
Optimal RAID Configuration RAID-1/0