chia7712 commented on code in PR #620:
URL: https://github.com/apache/kafka-site/pull/620#discussion_r1705673008


##########
38/ops.html:
##########
@@ -4105,7 +4105,10 @@ <h3>Reverting to ZooKeeper mode During the Migration</h3>
             </li>
             <li>
               Using <code>zookeeper-shell.sh</code>, run <code>rmr 
/controller</code> so that one
-              of the brokers can become the new old-style controller.
+              of the brokers can become the new old-style controller. 
Additionally, run
+              <code>get /migration</code> followed by <code>rmr 
/migration</code> to clear the
+              migration state from ZooKeeper. This will allow you to 
re-attempt the migration
+              in the future. The data read from "/migration" can be useful for 
debugging.

Review Comment:
   I file jira for it (https://issues.apache.org/jira/browse/KAFKA-17271)



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