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From "Oleksandr Diachenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-2955) Change Host Role Command ordering for cluster in HA mode
Date Thu, 29 Aug 2013 15:23:51 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-2955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Oleksandr Diachenko updated AMBARI-2955:
----------------------------------------

    Attachment: AMBARI-2955.patch
    
> Change Host Role Command ordering for cluster in HA mode
> --------------------------------------------------------
>
>                 Key: AMBARI-2955
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2955
>             Project: Ambari
>          Issue Type: Task
>          Components: controller
>    Affects Versions: 1.4.1
>            Reporter: Oleksandr Diachenko
>            Assignee: Oleksandr Diachenko
>             Fix For: 1.4.1
>
>         Attachments: AMBARI-2955.patch
>
>
> 1. *JN needs to be up before NN in HA mode* 
> Otherwise following exception is raised,
> 2013-07-31 17:22:24,632 WARN  namenode.FSEditLog (JournalSet.java:selectInputStreams(254))
- Unable to determine input streams from QJM to [192.168.56.101:8485]. Skipping.
> java.io.IOException: Timed out waiting 20000ms for a quorum of nodes to respond.
> 2. *Zookeeper should be up before NN in HA mode*
> 3. *ZKFC should start after NN*

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