title: Adding MySQL Cluster Sql Nodes Online
body: <p>I use mysql ndbcluster on 4 data nodes and 4 sql nodes and recently I need to add 4 more sql nodes with no downtime.
  In Mysql Manual, I found a guide to add data node online but I cant fot found any for sql node.</p>
  
  <p><a href="http://dev.mysql.com/doc/mysql-cluster-excerpt/5.1/en/mysql-cluster-online-add-node.html" rel="nofollow">http://dev.mysql.com/doc/mysql-cluster-excerpt/5.1/en/mysql-cluster-online-add-node.html</a></p>
  
  <p>Do you have any guide for that?</p>
  
  <p>thanks.</p>