Agnus Dei (jackal) wrote,
Agnus Dei

Linux: How to find process not releasing disk space back to the OS

Super cool trick to see what process is holding up disk space for a file handle for a file that's already been deleted.

This is wonderful.

An example would be seeing disk utilization at 80% and you clean out all the disk space and the utilization is still at 80%.

This happens when a process is holding a file handle open for a file who's content has been removed.

Here's how you find the PID of the process holding open file handles for deleted files:

lsof | grep deleted

Tags: linux disk space

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