Overland Storage®, Inc. has released RAINcloud OS 4.1, its newest enterprise software for the company’s market-proven SnapScale series of geographically-distributed, clustered scale-out data storage solutions that are optimized for cloud and distributed enterprise environments. The software-defined storage services in RAINcloud OS 4.1 deliver new customer benefits including server message block (SMB) 2.0; NFS version 4 provides performance enhancements and better security for UNIX users; Windows-only Tree improves permission handling and authentication enabling Windows and UNIX/Mac users to share files in mixed environments; and lightweight directory access protocol (LDAP), which allows administrators to set permissions and specify access to directories through name lookup to and from a unique user identifier (UID).