title: Docker: failed to start daemon: error while opening volume store metadata database: timeout
body: <p>When I try to run Docker:</p>
  
  <pre><code>sudo dockerd
  </code></pre>
  
  <p>I get this exception:</p>
  
  <blockquote>
    <p>failed to start daemon: error while opening volume store metadata
    database: timeout</p>
  </blockquote>
  
  <p>What I've tried but didn't help:</p>
  
  <pre><code>ps axf | grep docker | grep -v grep | awk '{print "kill -9 " $1}' | sudo sh 
  </code></pre>