How to combine many servers into a single disk space, but each server could distribute files?

Question

Data storage

Hello,
There are 50 servers with two 1 Gbit uplinks on local and external networks. Each server has 2x 2 TB SSD drives. Are there technologies that can combine them into one disk space, and at the same time, each server could be a file distribution server?
In theory: If we take into account the redundancy of storage 1 + 1, then we have a distributed array of 50x 2 TB = 90 TB with a total throughput of 50x 1 Gbit = 50 Gbit.
Update: Storage is more or less clear Gluster, Ceph. It remains unclear whether it is possible to make each server a distribution server as well. How is it implemented? I would like to get a distributed distribution, but apparently, these are all fantasies.

Answer 1

Perhaps Glusterfs or other network file systems with replication are suitable for the task

Answer 2

What is the problem on each server to mount a shared volume and distribute it with the protocol you need?