Increase Flexibility. Eliminate Lock-In. Reduce Storage Costs by 50%

NexentaStor is our flagship Open Source-driven Software-Defined Storage platform, enabling thousands of customers all around the world to evolve their storage infrastructure, increase flexibility and agility, simplify management and dramatically reduce costs, without compromising on availability, reliability or functionality.

NexentaStor delivers unified file (NFS and SMB) and block (FC and iSCSI) storage services, runs on industry standard hardware, scales from tens of terabytes to petabyte configurations, and includes all data management functionality by default. NexentaStor is Open Source-driven Software-Defined Storage with SMARTS: Security, Manageability, Availability, Reliability, (lower) TCO, and Scalability.


  • Dramatically lower storage costs for Cloud and Enterprise workloads
  • Eliminate lock-in with 100% software deployed on industry standard hardware
  • Simple swap-in replacement of legacy block and file storage appliances
  • Partner certified Reference Architectures for ease of deployment and support
  • One software stack for all-disk, hybrid and all-flash storage configurations
  • Proven Open Source-driven Software-Defined Storage with more than 1 Exabyte deployed to date

  • Unified File (NFS and SMB) and Block (FC and iSCSI) services
  • Built on ZFS for Enterprise-grade data integrity, scale and performance
  • Scales from 10’s of Terabytes to Petabytes
  • Unlimited file system sizes
  • Inline data reduction for additional storage cost savings
  • Unlimited space optimized snapshots and clones
  • Periodic asynchronous long distance replication

Multi-Site Continuous Availability with Nexenta MetroHA

Nexenta MetroHA brings the cost benefits of Software-Defined Storage to the most critical business applications. Building on the proven ATTO Fibre Bridge from ATTO Technology, we stretch a NexentaStor High-Availablity cluster between two sites in the same building, campus or metropolitan area. Nexenta MetroHA delivers zero data loss and continuous operations in the event of site failures. The solution synchronously mirrors data between sites and ensures that in the event of a total site disruption, data services are restored at the remote site within a matter of seconds. Nexenta MetroHA gives data center managers the ability to protect business critical applications and eliminate the risk of data loss.