How to add new hard disk drive to existing pool Nas4free / XigmaNas / FreeNas / TrueNas

  1. Backup all your important data first.
  2. Import the hard disk first
  3. format the hard disk
  4. add the new hard disk as virtual device
  5. go to tools, Add a virtual device to a pool
  6. check your exiting pool, plenty space now!

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