Artem Ervits created AMBARI-20921:
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Summary: while enabling HA Namenode on an HBase cluster, HBase
must be stopped but not in maintenance mode
Key: AMBARI-20921
URL: https://issues.apache.org/jira/browse/AMBARI-20921
Project: Ambari
Issue Type: Improvement
Components: ambari-server
Affects Versions: 2.5.0
Reporter: Artem Ervits
Priority: Minor
Enabling HA Namenode requires HBase to be down, if you bring it down and place
in maintenance mode, Ambari won't complete the enable HA wizard due to some
components in maintenance mode message. In this situation, HBase will start
sending alerts as it's down but not in maintenance mode. I suggest some logic
to exclude HBase maintenance mode from HA Namenode wizard.
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