NexentaStor use Open Source, uses Sun ZFS as its file system for data and block device management features. Both commercial and community versions are available and supported by us as per requirement. The features of ZFS include data integrity verification against data corruption modes (like bit rot), support for high storage capacities, integration of the concepts of filesystem and volume management, snapshots and copy-on-write clones, continuous integrity checking and automatic repair, RAID-Z . With NexentaStor, organizations can save up to 75% over proprietary solutions and enjoy enterprise class functionality and both commercial and open source community support.