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What are the advantages and disadvantages of NFS service? Linux cloud computing operation and maintenance learning

  NFS The service allows different clients to mount and use a shared directory , It is often used in cluster architecture environment . So in Linux Operation and maintenance work ,NFS What are the advantages and disadvantages of service ?
   What are the advantages ?
  1) Simple 、 Easy to learn and master
  2)NFS The data in the file system is visible
  3) Fast deployment , The maintenance is simple, convenient and controllable. Meeting the demand is the best
  4) reliable , High data quality 、 Durable
  5) Stable service
   What are the limitations ?
  1) There is a single point of failure , If NFS Server It's down. , All clients can't access the shared directory
  2) In the case of high concurrency of big data ,NFS efficiency 、 Performance is limited
  3) Client authentication is based on IP And the host name , Authority should be based on ID distinguish , General safety ( It's not a big problem for intranet )
  4)NFS The data is clear text ,NFS It does not verify the integrity of the game itself
  5) Multiple client machines mount one NFS Server time , Connection management maintenance trouble .NFS When there is a problem with the server , all NFS The clients are in the state of hanging up
   The above is “NFS What are the advantages and disadvantages of service ?” About .

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