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golimar
Asked: 2019-12-13 00:33:19 +0800 CST

Reclaim free space after deleting NFS file

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I deleted a 137G file in a NFS mount (from a Linux host), and it dissapeared from the directory but the free space reported by df is still the same

  • the NFS server is a NAS device with almost no logging information, but at least it shows the free space, which is the same as reported by df
  • the file is not open - it's unused for a long time, it doesn't show in lsof (I also have rebooted the NAS device)
  • the difference between the used space from df -h and du -hs . on the full disk is exactly 137G
  • the NFS share is mounted with soft,user options

What could be causing this?

nfs

1 Answers

  1. Deleting the files doesn't actually delete the file. Restart or kill that process to release the file.

    lsof +L1

    use above command to find that which process is using a deleted file.

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