title: recover deleted data from hdfs
body: <p>We have a Hadoop cluster v1.2.1. We deleted one of hdfs folders by mistake, but immediately, we shut down the cluster. Is there any way to get back our data?
  Even if we can get back a part of our data, it would be better than none! As the data size was so much, most probably a little data has been removed.</p>
  
  <p>thanks for your help.</p>