DAS vs NAS vs SAN – Netapp Certified Storage Associate

DAS vs NAS vs SAN

In this lesson you will learn DAS vs NAS vs SAN

  • What is DAS – Direct Attached Storage
  • what is NAS – Network Attached Storage
  • what is SAN – Storage Area Network
  • Disk types

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Deep Explanation about DAS vs NAS vs SAN vs unified Storage

Below is the Video for explanation

https://youtu.be/tDnw6vbMT88

Direct-attached storage (DAS) is digital storage directly attached to the computer accessing it, as opposed to storage accessed over a computer network. Examples of DAS include hard drives, optical disc drives, and storage on external drives.

DAS vs NAS vs SAN DAS vs NAS vs SAN DAS vs NAS vs SAN DAS vs NAS vs SAN
Direct-Attach Storage connectivity example

In Above Screen it shows that Storage device is directly attached to Server it means in real

Example: If you attach a External USB drive to your Server/Desktop it is best example for DAS.

Same as above example, we can attach SCSI and SAS Storage Devices such as HDD and RAID Controllers.

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Ankam Ravi Kumar

Working as Linux / Storage Administrator L3. Interested in sharing the knowledge.

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