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From "Alejandro Fernandez" <afernan...@hortonworks.com>
Subject Review Request 28594: Datanode fails to start during Install Wizard because Namenode is not up
Date Tue, 02 Dec 2014 02:44:29 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/28594/
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Review request for Ambari, Jaimin Jetly, Nate Cole, Srimanth Gunturi, and Sid Wagle.


Bugs: AMBARI-8501
    https://issues.apache.org/jira/browse/AMBARI-8501


Repository: ambari


Description
-------

The Install Wizard starts the Datanode before starting the other HDFS components. This means
that "hdfs dfsadmin -report -live" should only be called from the Restart of a Rolling Upgrade,
instead of a normal Restart.
Rolling Upgrades will need a mechanism to perform pre-restart and post-restart hooks depending
on the parameters passed to the Restart action.


Diffs
-----

  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/HDFS/package/scripts/utils.py
f923b3f 
  ambari-server/src/test/python/stacks/2.0.6/HDFS/test_datanode.py b4a86d7 
  ambari-server/src/test/python/stacks/2.0.6/HDFS/test_journalnode.py 0ba9889 
  ambari-server/src/test/python/stacks/2.0.6/HDFS/test_namenode.py d3d5297 
  ambari-server/src/test/python/stacks/2.0.6/HDFS/test_snamenode.py de13db3 
  ambari-server/src/test/python/stacks/2.0.6/HDFS/test_zkfc.py dcebfab 

Diff: https://reviews.apache.org/r/28594/diff/


Testing
-------

Verified the fix while installing a new cluster.

----------------------------------------------------------------------
Total run:674
Total errors:0
Total failures:0
OK


Thanks,

Alejandro Fernandez


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