title: Kafka - consumers / producers works with all Zookeper instances down
body: <p>I've configured a cluster of Kafka brokers and a cluster of Zk instances using kafka_2.11-1.1.0 distribution archive.</p>
  
  <p>For Kafka brokers I've configured config/server.properties</p>
  
  <pre><code>broker.id=1,2,3
  zookeeper.connect=box1:2181,box2:2181,box3:2181
  </code></pre>
  
  <p>For Zk instances I've configured config/zookeeper.properties:</p>
  
  <pre><code>server.1=box1:2888:3888
  server.2=box3:2888:3888
  server.3=box3:2888:3888
  </code></pre>
  
  <p>I've created a basic producer and a basic consumer and I don't know why I am able to write messages / read messages even if I shut down all the Zookeeper 
  instances and have all the Kafka brokers up and running.
  Even booting up new consumers, producers works without any issue.</p>
  
  <p>I thought having a quorum of Zk instances is a vital point for a Kafka cluster.</p>
  
  <p>For both consumer and producer, I've used following configuration:</p>
  
  <pre><code>bootrapServers=box1:9092,box2:9092,box3:9092
  </code></pre>
  
  <p>Thanks</p>