Gluster

Gluster is a scalable, distributed file system that aggregates disk storage resources from multiple servers into a single global namespace.

Advantages

• Scales to several petabytes
• Handles thousands of clients
• POSIX compatible
• Uses commodity hardware
• Can use any ondisk filesystem that supports extended attributes
• Accessible using industry standard protocols like NFS and SMB
• Provides replication, quotas, geo-replication, snapshots and bitrot detection
• Allows optimization for different workloads
• Open Source

Unfortunately, there is currently no Helm chart for Gluster. You'll need to use the gluster-kubernetes repository to install it.