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From "Yusaku Sako (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-2557) Ambari fails to add additional Namenode storage directories if space-delimited
Date Thu, 04 Jul 2013 04:32:21 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-2557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yusaku Sako updated AMBARI-2557:
--------------------------------

    Summary: Ambari fails to add additional Namenode storage directories if space-delimited
 (was: Ambari fails to add second Namenode storage directory )
    
> Ambari fails to add additional Namenode storage directories if space-delimited
> ------------------------------------------------------------------------------
>
>                 Key: AMBARI-2557
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2557
>             Project: Ambari
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.2.3
>            Reporter: Andrii Babiichuk
>            Assignee: Andrii Babiichuk
>             Fix For: 1.2.5
>
>         Attachments: AMBARI-2557.patch
>
>
> PROBLEM:  When using Ambari UI to add second NameNode storage directory, Ambari fails
to produce correct configuration in hdfs-site.xml   
> STEPS TO REPRODUCE:  
> 1. Stop HDFS and MapReduce on the cluster
> 2. Go to Ambari UI and navigate to Services Tab and select HDFS
> 3. Click on Configs Tab under HDFS
> 4. Add second NameNode storage directory using format below:
> /hadoop/hdfs/namenode
> /hadoop1/hdfs/namenode
> 5. Save configuration
> 6. Start HDFS
> ACTUAL BEHAVIOR:  Ambari fails to start HDFS. 
> EXPECTED BEHAVIOR:  To be able to make configuration change and to start HDFS.
> Configuration in UI was done similar as during installation process - not using comma
separated values.  However, this is not transfered correctly to hdfs-site.xml.  See below
the configuration produced by Ambari:
> </property>
>     <property>
>     <name>dfs.name.dir</name>
>     <value>/hadoop/hdfs/namenode
> /hadoop1/hdfs/namenode</value>
>   </property>
> Please note that the values are not comma separated as needed for correct configuration
to work.
> I was able to make configuration work by making following config in UI:
> /hadoop/hdfs/namenode,/hadoop1/hdfs/namenode
> This produced correct config in hdfs-site.xml.
> Please note that during installation input values entering one location per line and
produces correct configuration.  Also, there is no guidance in UI to specify how to configure
this correctly.

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