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Posted to dev@ambari.apache.org by "Jaimin D Jetly (JIRA)" <ji...@apache.org> on 2013/10/21 04:31:42 UTC
[jira] [Commented] (AMBARI-3555) Reassign Master (namenode HA):
HDFS service check fails when standby namenode is stopped before wizard
[ https://issues.apache.org/jira/browse/AMBARI-3555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800316#comment-13800316 ]
Jaimin D Jetly commented on AMBARI-3555:
----------------------------------------
The patch adds one more manual command in the manual step of the wizard: _"sudo su -l hdfs -c 'hdfs zkfc -formatZK' "_
This also removes stop namenode command from step-4 which was introduced as a requirement in AMBARI-3526.
> Reassign Master (namenode HA): HDFS service check fails when standby namenode is stopped before wizard
> ------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-3555
> URL: https://issues.apache.org/jira/browse/AMBARI-3555
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.4.2
> Reporter: Jaimin D Jetly
> Assignee: Jaimin D Jetly
> Fix For: 1.4.2
>
> Attachments: AMBARI-3555.patch
>
>
> HDFS service check fails due to stale information preserved in zookeeper. We need to clear automatic failover information in zookeeper by adding a manual command. Also if this is done then we don't need to make sure that the namenode that is moved is in standby state by stopping namenode initially.
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