Vinay created HDFS-3507:
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Summary: DFS#isInSafeNode needs to execute only on Active NameNode
Key: HDFS-3507
URL: https://issues.apache.org/jira/browse/HDFS-3507
Project: Hadoop HDFS
Issue Type: Bug
Components: ha
Affects Versions: 2.0.1-alpha, 3.0.0
Reporter: Vinay
Currently DFS#isInSafeMode is not Checking for the NN state. It can be executed
on any of the NNs.
But HBase will use this API to check for the NN safemode before starting up its
service.
If first NN configured is in standby then DFS#isInSafeMode will check standby
NNs safemode but hbase want state of Active NN.
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