title: Cassandra: Nodetool showing "?" in Owns
body: <p>I wonder why nodetools don't know the percentage of the ring handeld by my node...</p>
  
  <p>I created this keyspace with </p>
  
  <blockquote>
    <p>CREATE KEYSPACE mykeyspace WITH replication = {'class': 'SimpleStrategy',
    'replication_factor': '3'}  AND durable_writes = true;</p>
  </blockquote>
  
  <p><img src="https://i.stack.imgur.com/TNakH.png" alt="when nodetool status"></p>
  
  <p>Someone has a clue?</p>