title: Node.js: what is ENOSPC error and how to solve?
body: <p>I have a problem with Node.js and uploading files to server. For uploading files to server I use this <a href="https://github.com/Valums-File-Uploader/file-uploader" rel="noreferrer">plugin</a>. When starting file upload to the server, Node.js process crashed and show error:</p>
  
  <blockquote>
    <p>Error: ENOSPC.</p>
  </blockquote>
  
  <p>The server code doesn't run.</p>
  
  <pre><code>$ df -h
  Filesystem      Size  Used Avail Use% Mounted on
  /dev/xvda1      7.9G  4.1G  3.5G  55% /
  udev            288M  8.0K  288M   1% /dev
  tmpfs           119M  168K  118M   1% /run
  none            5.0M     0  5.0M   0% /run/lock
  none            296M     0  296M   0% /run/shm
  /dev/xvdf       9.9G  3.0G  6.5G  32% /vol
  overflow        1.0M  1.0M     0 100% /tmp
  </code></pre>