From GlusterDocumentation

Gluster Project

Gluster (GNU Cluster) project addresses two key verticals - GlusterFS for clustered storage and GlusterHPC for clustered computing.

GlusterFS

GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. GlusterFS is based on a stackable user space design without compromising performance. Click here to read more...