Object Storage method seems very interesting regarding big file size management between different server infrastructures and clients.
http://s3git.org/ and https://www.minio.io/
http://www.searchstorage.de/sonderbeitrag/Minio-Objekt-Storage-unterstuetzt-Container-und-automatische-Klassifikation
Could be interesting also in combination with Rasbperry Pi, FreeNAS and so on
https://github.com/minio/cookbook/blob/master/docs/running-minio-in-freenas.md
https://doc.freenas.org/11/services.html
https://github.com/christianbaun/ossperf/wiki/Minio-on-a-Raspberry-Pi-3-with-Raspbian-%28Debian-Jessie-8.0%29
https://www.thepolyglotdeveloper.com/2017/02/using-raspberry-pi-distributed-object-storage-minio/
https://blog.alexellis.io/meet-minio/
https://blog.minio.io/minio-server-gauge-with-raspberry-pi-e43d7b3c932d
https://medium.com/statuscode/integrating-openfaas-and-graphql-experimental-1870bd22f2a
https://github.com/minio/awesome-minio