title: Mongodb: No *.system.namespaces
body: <p>I'm trying to repair a database through the console.</p>
  
  <p>It's a replicaset with 3 members, I'm trying in a secondary and I always get the same error. When I list the available collections inside the db it doesn't show any *.namespace collection:</p>
  
  <pre><code>root@web:~#  mongo xxx.210.xxx.12:27017/admin -uXXXX -pXXXXXXX
  MongoDB shell version: 2.4.5
  connecting to: xxx.210.xxx.12:27017/admin
  xxxxxSet:SECONDARY&gt; use facebook
  switched to db facebook
  xxxxxSet:SECONDARY&gt; db.repairDatabase();
  {
          "ok" : 0,
          "errmsg" : "clone failed for facebook with error: namespace query failed     facebook.system.namespaces"
  }
  xxxxxSet:SECONDARY&gt; show collections
  xxxnts
  xxes
  xxxes_beta
  system.indexes
  system.users
  told
  </code></pre>