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A Comparison between NAS and SAN Storage Systems

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For any business unit, IT infrastructure carries a lot of importance. It not only deals with software components but with the hardware components too. Hardware components are basically the electronic devices that are meant to perform some specific business applications. One of the most important hardware component parts is the storage device within a business environment. The function of the storage device is basically managing the data, storing it and creating backups for them. Data are the most important parts or assets of a business unit and thus they should be preserved precisely. Gone are those days, when people need to do a lot of paperwork. The modern era is opting for the electronic data, which are more convenient to access and to be sorted out. For management of the electronic data, seamless hardware support is necessary.

When it comes to data storage devices, two major kinds of devices come into the discussion. One is SAN and the other one is NAS. While NAS stands for Network Attached Storage, SAN is the acronym of System Area Networks.  Both of them have unique features to offer to the users and according to the needs or wants of the business, one among them is selected. However, there are some conflicts in the minds of buyers in order to choose one among them for their business application. To get rid of that conflicts, in this article we will discuss various aspect of the both storage devices.

The NAS technology involves a storage device which is attached to a network, which means this kind of servers or storage system can be accessed by several machines within the system.  On the other hand, SAN utilizes a fiber channel instead of Ethernet as its underlying transport medium. Now have a look on the following features of the both to understand the differences between the two:

NAS System Storage

  • A machine which is connected to LAN and can use CIFS or NFS protocols for file sharing is considered as NAS.
  • Numerous members within the system can access the storage server as it is directly connected to the LAN.
  • Compatible with LINUX and Windows operating systems.
  • Capacity of NAS device = few terabytes

SAN Devices

  • SCSI or Fiber Channel can connect to SAN only
  • The storage device can connect to servers through fiber channels
  • In case of SAN, file sharing is OS dependant
  • Capacity of a SAN is higher than the storage capacity of the NAS

So, consider these differences and then opt for the suitable storage systems. IBM is a reputed maker of different kinds of data storage system, and one of such is IBM Storwize V3700, which is a robust data storage device.

Get more information on: IBM Storwize V3700 & System X3750 M4

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