[jira] [Updated] (AMBARI-20726) Aggregate alert does not show status properly at Maintenance Mode change

["Jonathan Hurley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-20726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Hurley updated AMBARI-20726:
-------------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> 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 at Maintenance Mode change.
> Steps to reproduce:
> Install a cluster that has HBase with one regionserver installed.
> Scenario 1:
> 1. Turn On Maintenance Mode on the RegionServer or on the RegionServer host or on the HBase service.
> 2. Stop the RegionServer after that.
> 3. No red alerts will show as expected.
>    Percent RegionServers Available - OK affected: [0], total: [1]
> 4. Now Turn Off Maintenance Mode, still keep the RegionServer down.
>    But Percent RegionServers Available alert will still show "OK" - "CRIT" is expected.
> Scenario 2:
> 1) Stop the RegionServer - Red alert will show as expected.
>    Percent RegionServers Available - CRIT affected: [1], total: [1]
> 2) Now Turn On Maintenance Mode - For RegionServer status, Red alert will be gone as expected.
>    But Percent RegionServers Available alert will still show "CRIT" - "OK" is expected.



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