What is the difference between HDFS and NAS? › Category: Hadoop › What is the difference between HDFS and NAS? 0 Vote Up Vote Down Editor">Editor Staff asked 2 years ago What is the difference between HDFS and NAS? 1 Answers 0 Vote Up Vote Down Editor">Editor Staff answered 2 years ago HDFS data blocks are distributed across local drives of all machines in a cluster whereas, NAS data is stored on dedicated hardware.