Network Storage
Storing data on a network
Network storage is a method by which data is stored so it may be accessed by a number of computers on a single network. There are various types of network storage methods, among which are network attached storage (NAS) and storage area network (SAN). NAS uses a special network storage device that acts as its own separate computer but only possesses the necessary features to transfer files and store data. Additional disk drives can be added to the NAS device to increase storage. The storage device connects to the network's computers through a NAS box or head. This link is generally established through an Ethernet connection, and though the storage is evidently remote to the computer, the computer can request parts of a file. NAS is an extremely flexible network storage method, as the capacity can be easily expanded.
SAN, instead of being one storage device like in a NAS system, is itself a network of devices that connects to a server. The devices in the SAN network, which may include disk arrays, tape libraries and optical jukeboxes, are connected to the server so that they appear to be locally attached. Thus, computers on a network can access the storage. However, in some instances, the SAN is also directly connected to the network.
Some network storage technologies combine both NAS and SAN methods, as well as elements of direct attached storage (DAS). As well, NAS heads have allowed for easy transition of SAN storage to a NAS system.
Must-Have Features
- If budget is not a main factor, SAN is ideal for streamlining, centralizing and simplifying your storage.
- If the need to easily expand storage space at any time is a priority, NAS is an ideal storage method.
- For home network storage, NAS is an easy and flexible method of backing up copies of photos, music and videos.
Major Considerations
- Which system of network storage is best suited to my needs?
- How much storage space does my network require?
- Do I want a storage system I can easily add space to as required?
Top Manufacturers
- Buffalo Technology
- IBM
- Netgear
- Linksys
- Quantum
Common Accessories or Add-Ons
- N/A
Price Range
Depending on the system and the size, network storage devices can range from $30 to tens of thousands of dollars.
Summary
For large networks, backing up and storing data can seem intimidating. However, network storage methods such as NAS and SAN help simplify the process by storing data in a centralized location accessible to the entire network. With constant advancements and multiple combinations, NAS and SAN systems can effectively meet each system's needs.
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