Posted on by storagedepotuk

NAS is file-level computer data storage connected to a computer network providing data access to heterogeneous network clients. These systems add data storage to a computer network and are an interesting alternative to traditional file servers.

The idea behind NAS is simple: a device, usually without any monitor, mouse, or keyboard, is connected to two things: electrical power and your network. A set of configuration screens, typically accessed through a Web browser, helps set you up with an IP address and user accounts. Within a few minutes, you have gigabytes or terabytes of additional storage capacity.

NAS devices can take the shape of anything from a device hardly bigger than a 4 – port hub to units designed to fit into 19-inch racks and large cabinet systems.

The nice thing about NAS units is their ability to mimic “real” Windows NT/2000, UNIX or Macintosh servers. This means that your users don’t have to do anything differently when they want to access them. As far as they are concerned, the NAS unit is just another server out on the network on which to save or from which to retrieve their important files. There are three basic kinds of NAS servers. First are the simple appliances that typically hold 20 to 80GB of data. These are mainly designed for small or remote offices or workgroups. These servers have minimal setup tools to reduce potential confusion, and are geared toward being shared by fewer than twelve people. These devices generally have one or two disk drives inside them and sell for less than $1,000. Next are devices geared more towards medium-sized work groups or offices, to either replace existing network servers or to augment their storage capabilities. Finally, there are more enterprise – level units, from EMC and Auspex.

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