title: Starting MySql Cluster ndb_mgm
body: <p>I am trying to start maysql cluster ndb_mgm,</p>
  
  <p>but its giving me the following error,
  <a href="https://i.stack.imgur.com/vFTDG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/vFTDG.png" alt="enter image description here"></a> </p>
  
  <p>my my.ini file is like this,</p>
  
  <pre><code>[mysql_cluster]
  # Options for management node process
  config-file=C:/mysql/bin/config.ini
  </code></pre>
  
  <p>what is meant by unknown variable </p>