title: How to Force Docker to release storage space after manual delete of file in volumes and containers?
body: <p>I have few issues with storage spaces. I deleted few big files such as log files (after find unix of big files).</p>
  
  <p>The problem is that delete manually some file of Docker (in /var/lib/docker/...). After deletion of Docker files, I can see that the space left does not change. Docker does not release space. </p>
  
  <p>I restart the service Docker and I the problem persit. </p>
  
  <p>How can I force Docker to release space from (devicemapper, volume, images, ...) ?</p>