title: failing to deploy hadoop cluster on google cloud
body: <p>I am trying to deploy some cluster using <code>google cloud</code>. So, as the doc suggests, I run this : </p>
  
  <pre><code>./bdutil --bucket mybucket -n $number -P myproject --zone us-central1-a deploy
  </code></pre>
  
  <p>When I take <code>$number</code> to be 0 or 1, it deploys correctly (respectively 1 master or 1 master + 1 worker). But when I try to run the same command with <code>$number</code> set to 5, then I keep on having this kind of message : </p>
  
  <pre><code>*-m' not yet sshable (1); sleeping 10.
  *-w-0' not yet sshable (1); sleeping 10.
  *-w-1' not yet sshable (1); sleeping 10.
  *-w-2' not yet sshable (1); sleeping 10....
  </code></pre>
  
  <p>where star stands for the prefix of the instance. </p>
  
  <p>How can I deal with that ? </p>