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NexentaStor is an OpenSolaris or more recently Illumos distribution optimized for virtualization, storage area networks, network-attached storage, and iSCSI or Fibre Channel applications employing the ZFS file system. Like OpenSolaris, NexentaStor is a Unix-like operating system. Nexenta Systems started NexentaStor as a fork of another OpenSolaris distribution, Illumos. NexentaStor supports iSCSI, unlimited incremental backups ('snapshots'), snapshot mirroring (replication), continuous data protection, integrated search within ZFS snapshots, and an API. Nexenta distributes the operating system as a disk image. The cost of a license is calculated per Terabyte or per server.〔(The Nexenta On-line Store ). Nexenta.com (2008-11-10). Retrieved on 2011-11-01.〕 The Community Edition is available free of charge for users with less than 18 TB of used disk space who deploy the operating system in a non-production environment.〔(NexentaStor Project: Community Edition ). Nexentastor.org. Retrieved on 2011-11-01.〕 ==Features== * High Availability * * Active/Active controller with automated failover * * Dynamic disk pools and RAID-Z1, RAID-Z2, RAID-Z3 * * Periodic Asynchronous Replication * * Unlimited Snapshots and Clones * * Thin Provisioning * Reliability * * 100% data integrity by ZFS end to end 256-bit checksum * * ZFS copy on write functionality * * Self-healing mechanism * * Enterprise-grade operating system * Simplicity * * Simplified GUI- and CLI-based administration * * Extend to all data services * * Embedded analytics * * SNMP support * Scalability * * From tens of Terabytes to Petabytes * * Limited only by the available hardware * Virtualization Integration * * OpenStack Cinder * * VMware * * Microsoft Windows and Hyper-V * Plugins * * HA Cluster * * FC Target * * Performance Tools 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「NexentaStor」の詳細全文を読む スポンサード リンク
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