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https://issues.apache.org/jira/browse/HDFS-7874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J.Andreina updated HDFS-7874:
-----------------------------
Status: Patch Available (was: Open)
> 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
> Attachments: HDFS-7874.1.patch
>
>
> 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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