Re: Review Request 55009: HDFS Service check fails if previous active NN is down

[Weiwei Yang]

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https://reviews.apache.org/r/55009/
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(Updated 十二月 23, 2016, 7:13 a.m.)


Review request for Ambari and Di Li.


Bugs: AMBARI-19289
    https://issues.apache.org/jira/browse/AMBARI-19289


Repository: ambari


Description
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On a HA cluster, I manually stop the active NN, standby takes over and becomes 
to be active, HDFS is healthy. However hdfs service check fails.


Diffs
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ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/service_check.py
 737ae04 
  ambari-server/src/test/python/stacks/2.0.6/HDFS/test_service_check.py bbc1b3a 

Diff: https://reviews.apache.org/r/55009/diff/


Testing (updated)
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HA cluster

1. Both NN started
2. Shutdown active
3. Shutdown standby
4. Both NN started and manually put NN in safemode

Non-HA cluster

1. NN started
2. NN started and manually put NN in safemode
3. NN stopped


Thanks,

Weiwei Yang