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https://issues.apache.org/jira/browse/AMBARI-20726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qin Liu updated AMBARI-20726:
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Summary: Aggregate alert does not show status properly at Maintenance Mode
change (was: Aggregate alert does not show status properly after Maintenance
Mode change)
> Aggregate alert does not show status properly at Maintenance Mode change
> ------------------------------------------------------------------------
>
> Key: AMBARI-20726
> URL: https://issues.apache.org/jira/browse/AMBARI-20726
> Project: Ambari
> Issue Type: Bug
> Components: alerts
> Affects Versions: 2.4.2
> Reporter: Qin Liu
> Assignee: Qin Liu
> Priority: Minor
> Fix For: trunk
>
> Attachments: AMBARI-20726.patch
>
>
> Aggregate alert does not show status properly after Maintenance Mode change.
> Steps to reproduce:
> install a cluster that has HBase with 1 regionserver installed
> Scenario 1
> 1. Turn On Maintenance Mode on one RegionServer or on the RegionServer host
> or on HBase service
> 2. Stop the RegionServer after that
> 3. No red alerts came as expected.
> Percent RegionServers Available - OK affected: [0], total: [1]
> 4. Now Turned Off Maintenance Mode, still kept the Region Server down.
> But Percent RegionServers Available alert still showing "OK"
> Scenario 2:
> 1) Stopped one RegionServer - Red alert seen as expected
> Percent RegionServers Available - CRIT affected: [1], total: [1]
> 2) Now Turned On Maintenance Mode - For RegionServer status, Red alert gone
> as expected
> But Percent RegionServers Available alert showing "CRIT"
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