DAS (Direct Attached Storage)

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The full form of DAS is “Direct Attached Storage.DAS refers to a storage device that is directly connected to a computer.

These include HDDs, SSDs, and optical drives. By the way, DAS refers to internal storage devices, but it mostly describes external devices, such as an external hard drive.

The term “DAS” has been created to differentiate between network-attached storage (NAS) and direct-attached storage. Before the availability of NAS and storage area networks (SANs), direct-attached storage was the only option.

At the same time, DAS is still the most common type of storage, which is often used in personal computing, network, and server administrators. Whereas most of the time, we have to choose between DAS and NAS according to a storage solution.

The primary benefit of DAS and NAS is the simplicity of their setup. You can easily connect a device with the computer, while it will also appear as an additional storage device if all the drivers needed are available.

Here you do not have to configure network settings nor set up permissions for each computer.

The main drawback of DAS is that it can be accessed only by the computer to which it is attached. At the same time, if you want other systems to access any connected DAS devices, you have to configure the computer in the form of a file server.

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