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What is DFS and who it's different form traditional file system?

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posted Nov 8, 2016 by Abhishek Maheshwari

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Distrubted File System is like a normal file system with different nodes where each node has the local file system to store the data. This multiple local file system will coordinate with some protocal to give the data to external clients.

The clients call this multiple machines with some protocal to get the data. Most of times communication protocal is tcp/ip. For accessing any information on Distirubute file system, you need client software.

Listing out the differences between Normal File System and Distrubted File System.

Normal File System:-

  1. Data is maintained in Single system. if machine is down, we can not able to get the data and failover chances are more.
    2.The time taken to read the data in this less as there are only read call to hardisk and the local processing time

Distributed File System:-

1.Data is replicated in different nodes. clients able to read the data, if any node is failed.Failover is less.
2.The time taken to read the data in this is more as we have network remote call and local data read to disc and coordiating the data from multiple systems

answer Nov 30, 2016 by Chetana Lobo