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From "Nate Cole (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMBARI-11013) HDFS Upgrade Pack For HDP-2.2 to HDP-2.3
Date Fri, 08 May 2015 14:48:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-11013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nate Cole resolved AMBARI-11013.
--------------------------------
    Resolution: Fixed

> HDFS Upgrade Pack For HDP-2.2 to HDP-2.3
> ----------------------------------------
>
>                 Key: AMBARI-11013
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11013
>             Project: Ambari
>          Issue Type: Task
>            Reporter: Nate Cole
>            Assignee: Nate Cole
>             Fix For: 2.1.0
>
>
> - HDFS Pre-Upgrade Check Change No Longer Requires HA
> Note: For users who are upgrading from champlain-m10 and onwards to dal, and have “truncate”
feature enabled in HDFS, rolling upgrade is NOT supported. Check following flag in hdfs-site.xml
to see if “truncate” is enabled: “dfs.allow.truncate” = “true”
> - NameNode Configuration Change For Ranger
> Note: If Ranger is enabled, then there is a configuration change needed in the NameNode
configurations to ensure that Ranger authorization will function with HDP 2.3.
> Edit {{hdfs-site.xml}} with the following change:
> If Ranger is enabled, configure  “dfs.namenode.inode.attributes.provider.class” with
the ranger’s plugin class name “org.apache.ranger.authorization.hadoop.RangerHdfsAuthorizer”
> If ranger is disabled, this configuration must not be there.
> Configure Ranger KMS in hdfs-site.xml 
> The key is “dfs.encryption.key.provider.uri”



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