Nate Cole created AMBARI-11013:
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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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