HDD SETUP FOR 2018 EDITING PC

Building a new PC for wedding Videography and some photography work.  Currently work on a laptop.  What do you think of the following HDD setup for a 2018 build

M.2 - 256GB:                    OS,  Programs, Pagefile, Skratch

HDD – 2TB:                      Projects Files, Everyday Files, Exported Video

RAID0 – 4TB:                   Current Media, proxies, preview files, render files

External RAID1 - 2TB:     Backup of all current media, Any media pending edit

Online Storage – 1TB:     Backup of 2TB HDD.  (Project, Everyday, Exported), Backup of any media pending Edit

Archive Drives:                All finished projects, finished media

Thanks in advance.