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From "J.Andreina (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7874) Even-though rollback image is created, after restarting namenode with "rollingUpgrade started" option , createdRollbackImages is set to false.
Date Tue, 03 Mar 2015 10:14:05 GMT
J.Andreina created HDFS-7874:
--------------------------------

             Summary: Even-though rollback image is created, after restarting namenode with
 "rollingUpgrade started" option , createdRollbackImages is set to false.
                 Key: HDFS-7874
                 URL: https://issues.apache.org/jira/browse/HDFS-7874
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: J.Andreina
            Assignee: J.Andreina


Step 1: Prepare rolling upgrade using "hdfs dfsadmin -rollingUpgrade prepare" . Rollback image
will be created and UI displays as follows
{noformat}
Rolling upgrade started at 3/3/2015, 11:47:03 AM. 
Rollback image has been created. Proceed to upgrade daemons.
{noformat}
Step 2: Shutdown SNN and NN
Step 3: Start NN with the "hdfs namenode -rollingUpgrade started" option.

Issue:
======
Eventhough rollback image exist, restarting namenode with "rollingUpgrade started" option,
on UI "rollback image not created" is displayed.
{noformat}
Rolling upgrade started at 3/3/2015, 11:47:03 AM. 
Rollback image has not been created.
{noformat}



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