by Lyle Smith

NexentaStor Version 4.0 Announced

Nexenta has announced the latest release of NexentaStor, version 4.0, the award-winning SDS solution and a vital part of the Software Defined Data Center. NexentaStor is a feature-rich NAS/SAN software platform with enterprise class capabilities focusing on issues that arise due to ever-growing datasets and provides customers with the flexibility to choose their storage operating system independently of the hardware that it runs on. Additionally, Nexenta’s SDS solution also aids organizations in implementing high-performance, cost-effective data storage solutions with features such as: inline deduplication, unlimited snapshots, cloning and full HA support. 

Adding incremental functionality, NexentaStor’s licensed features enhances NexentaStor’s standard capabilities and these optional features can also be installed without having to restart or upgrade the entire system. Some of the licensed features include namespace cluster, high availability clusters, OST for Symantec NetBackup and Nexenta Target FC. Its functionality also includes full integration with hypervisors, even in mixed vendor environments.

Features include:

  • Highly Scalable File System: ZFS-based technology provides the most scalable and flexible 128-bit file system
  • End-to-End Data Integrity: Because the self-healing file system of ZFS, users need not worry about silent data corruption
  • Unlimited Storage Capacity: Designed for large-scale unplanned growth with unlimited snapshots and copy-on-write clones
  • Unlimited File Size: While most legacy solutions limit the size of the file system, there are no such limitations with ZFS
  • Unified Appliance: Support for NAS (NFS, CIFS, WebDAV, FTP) and SAN (iSCSI, FC) means flexibility
  • Data Deduplication and Native Compression: Inline data deduplication and compression reduces the use of primary storage
  • Hybrid Storage Pools: Exploit I/O cache to accelerate read and write performance
  • Heterogeneous Block and File Replication: Asynchronous replication for easy disaster recovery
  • Block-level Mirroring: Setup remote backups and disaster recovery at off-site locations
  • Simplified Disk Management: Manage disks and JBODs using either command line or NexentaStor Management Viewer (NMV)
  • Total Product Safety: Proactive, automated alert mechanisms send alerts when configuration deviates from the user defined policy
  • VMintegration: Support all the major hypervisors

Enhancements of NextStor 4.0 include:

  • 50% reduction in HA failover times
  • Embedded intelligence in the Fault Management Architecture (FMA) which detects and resolves issues around failing hardware to reduce performance impacts
  • Improved problem isolation that provides better reliability and visibility
  • Reduced latencies to end users with the addition of Server Message Block (SMB) 2.1 support
  • Simplified administration with the new wizard-driven storage pool with configuration and deployment tools
  • Dramatic improvement in performance with support for 512GB memory
  • Significant replication improvements with a highly improved AutoSync service
  • Numerous additional SNMP MIBs and Traps for increased observability and monitoring
  • Code base migration to Illumos open-source operating system, for improvements in security, management and monitoring
  • Improves stability and supportability
  • Seamless upgrade from all existing NexentaStor versions


NexentaStor 4.0 will be available in Q2, 2014.

NexentaStor Product Page

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