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Colorado Software Architects, Inc. introduces vSERV™ and vSERV NAS Module™ Aggregated File System, the first two products to simplify and enhance the manageability of networked storage with true file-system aggregation. vSERV NAS Module is file-system aggregation for storage systems comprised of network attached storage (NAS), and vSERV is for systems made up of servers, or a combination of servers and NAS.
Aggregation is a software solution that melds all resources from multiple devices into combined capacities that are viewed and accessed with a single, common directory. Using an aggregated storage system is the same as using one large storage device — one directory, one combined capacity, one common share point.
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vSERV and vSERV NAS Module present an aggregated, or unified, view of multiple servers or NAS devices. Unlike Microsoft's Distributed File System (DFS), that requires any given level of a directory to exist on a single, physical server, vSERV and vSERV NAS Module allow directories to span multiple devices enabling storage to scale seamlessly. The applications extend the capabilities of the native file system such that placement of data can be managed at the time of file creation to ensure that the user does not encounter out-of-space errors.
Both applications present users an aggregated view of directories and files on an assigned set of storage resources that is separated from the physical setup of devices comprising the system. This virtual view of a multi-device file system allows administrators to make physical changes to the system that are completely invisible to users. This added level of abstraction also reduces or eliminates common administrative tasks allowing more efficient use of storage resources and the administrator's time.
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Storage systems aggregated with vSERV and vSERV NAS Module can be easily protected with simple data-backup plans.
File-system aggregation, as done by vSERV and vSERV NAS Module, merges the directory views of multiple storage devices into a single share point that is used as if the aggregated storage resides on one large device. Although the directory view has been unified, data can be written to any device within the aggregated group according to the user's attachment location or availability of space. Therefore, files that are presented through the file system as residing in the same directory can actually be scattered across any or all of the storage devices comprising the system.
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One of the areas of computing that has changed very little in the last 10 years is that of file-system technology and data management. File systems have evolved to support longer file names and security, but little else. As great strides have been made in storage capacities, the Internet, and computing speed, but little has been done with the basic element of all computers — whether on a PC, network, mass storage, or across the Internet.
The Persistent File System (PFS) is a software technology that combines several file-system components to simplify access to mass-storage devices. PFS consolidates all file and folder information into a single file-system view.
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