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{{short description|Shared disk file system}}
'''StorNext File System''' ('''SNFS'''), colloquially referred to as StorNext enables multiple Windows, Linux and Apple workstations to access shared block storage over a [[Fibre Channel]] network. With the StorNext file system installed, these computers can read and write to the same storage volume at the same time enabling what is known as a "file-locking SAN."
==History==
The original name of StorNext was '''CentraVision File System''' ('''CVFS'''). It was created by MountainGate Imaging Systems Corporation to provide fast data transfer between [[Windows]] and [[Silicon Graphics|SGI]]'s [[IRIX]] computers.<ref>[http://www.trademarkia.com/centravision-75301121.html trademarkia.com, CentraVision]</ref> [[Advanced Digital Information Corporation]] acquired MountainGate in September 1999, added additional client types, and changed the name to StorNext File System.<ref>
==Infrastructure==
StorNext has both software and hardware elements. On the front end, the filesystem is managed by usually two [[Metadata controller]]s, a primary and a failover or a metadata appliance. These MDC's act as the traffic director for the block-level filesystem with no data-overhead typically associated with [[Network-attached storage|NAS]] configured network shares.
Fibre Channel
Client systems are not required to run the same operating system to access a shared filesystem containing StorNext data. As of January 2008, the operating systems with available client software are [[Microsoft Windows]], [[
Client systems can be attached either directly to the SAN or via an IP gateway, called a DLC (Distributed LAN Controller).
Quantum offers customers two choices for hardware infrastructure for StorNext: customized configurations, using the StorNext software on independently selected hardware; or, the use of the StorNext Appliances and Production Systems, a set of pre-configured solutions from Quantum which are said to be optimized for particular use cases (such as 4K editing). The latter solutions can include embedded technical support.<ref>{{cite web |url=http://www.stornext.com/ |title=Home |website=stornext.com}}</ref>
== Media
A common application are television and feature film post-production as many multiple editors can access the same set of video data non-destructively.<ref>{{Cite web|url=http://www.stornext.com/deployments/digital-intermediate-workflow-example/|title=Create. Innovate. Protect. On Quantum}}</ref><ref>{{Cite web|url=http://www.stornext.com/deployments/stornext-5-and-adobe-anywhere/|title=Create. Innovate. Protect. On Quantum}}</ref>
StorNext has also been leveraged for high end motion and geoscience imagery in both commercial and public sector use cases,<ref>http://www.quantum.com: "Proven Mission Information Workflows for Intelligence and Defense"</ref> and for high density forensic data, such as in cybersecurity.<ref>{{Cite web|url=http://www.quantum.com/cybersecurity/|title=Quantum Cybersecurity Solutions}}</ref>
<!-- ==Xsan and Stornext== Will expand this section later. -->▼
While colloquially, the StorNext File System is known as 'StorNext', the entire StorNext product is actually the combination of two technologies: the StorNext File System, and the optional StorNext Storage Manager. The StorNext Storage Manager is a policy based data management system that can copy, migrate and/or archive data from the StorNext File System into a variety of storage devices in multiple locations.
▲Will expand this section later. -->
▲==Archive Integration==
▲While colloquially, the StorNext File System is known as 'StorNext', the entire StorNext product is actually the combination of two technologies: the StorNext File System, and the optional StorNext Storage Manager. The StorNext Storage Manager is a policy based data management system that can copy, migrate and/or archive data from the StorNext File System into a variety of storage devices in multiple locations. Data can be tiered into disk, a Quantum Lattus object store, a robotic tape library, or even exported into an offline vault. Regardless of where the data resides, it is all maintained in a single namespace. Customers typically use this capability for three use cases. Some media customers use Storage Manager's policy tiering capability to enable the extension of primary disk storage into object storage or very high performance tape. With the introduction of Lattus-M object storage in 2013, Quantum introduced the capability to archive data durably (at greater than 11 9s) on disk, at very high throughput. Each Lattus-M disk controller can support up to 3 Gbit/s of single streaming performance for video or large files; and these controllers can be scaled horizontally to add performance as required. This has made the combination of StorNext and Lattus-M attractive for use cases such as rapid restore of video or motion imagery, or content distribution. Many customers also use Storage Manager to create granular and efficient data protection (as many versions of policy-selected files can be copied to a second data ___location or media without the need for a time and resource consuming 'file-walker', avoiding the pain of backup). Finally, administrators use Storage Manager as an HSM for migrating data between tiers (particularly to tape) for cost effective archive. Tapes created by Storage Manager can optionally be written in the LTO industry standard format (LTFS) to enable easy interchange.
==See also==
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* [[Xsan]]
* [[Metadata controller]]
* [[xfs]]
==External links==▼
*{{Official website|http://www.stornext.com}}▼
==References==
{{reflist}}
▲==External links==
[[Category:Shared disk file systems]]▼
{{Filesystem}}
▲[[Category:Shared disk file systems]]
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