I have google photos and pay 10$ / Month.

I also have a zfs based fileserver setup were i do snapshots before i backup from my desktop were i manage my pictures.

I backup my zfs based filesystem online for off-side.

My images (a lot of pictures, dslr quality, raw) is around 2tb.

You don't just replicate what a company like Google does for you for 10$ and without knowing stuff about...