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From "Nate Cole (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-11013) HDFS Upgrade Pack For HDP-2.2 to HDP-2.3
Date Fri, 08 May 2015 01:38:59 GMT
Nate Cole created AMBARI-11013:
----------------------------------

             Summary: 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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