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https://issues.apache.org/jira/browse/AMBARI-13801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hurley updated AMBARI-13801:
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Attachment: AMBARI-13801.patch
> Upgrade Pre-Req Check Is Confusing When Hosts Are In Maintenance Mode
> ---------------------------------------------------------------------
>
> Key: AMBARI-13801
> URL: https://issues.apache.org/jira/browse/AMBARI-13801
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.3
> Reporter: Jonathan Hurley
> Assignee: Jonathan Hurley
> Priority: Critical
> Fix For: 2.1.3
>
> Attachments: AMBARI-13801.patch
>
>
> During Upgrade Pre-Req Check, when there are hosts in maintenance mode, a
> confusing messaging is shown where the title says “All hosts should be
> heartbeating” but the warning message says “Following hosts are in
> Maintenance Mode”. These checks should be broken into two distinct checks:
> one for heartbeating, one for hosts in maintenance mode.
> Currently, we only have 1 check for this. It will produce a {{FAIL}} if there
> are hosts not heartbeating and not in MM and will produce an {{WARNING}} if
> there are hosts in MM. We can separate these out into two distinct checks. In
> which case:
> - The hosts heartbeating check would only report a {{FAIL}} and _not_ a
> {{WARNING}}
> - The hosts in MM check would only report a {{WARNING}}, never a {{FAIL}}
> - The heartbeat check would always be performed before the MM check
> {panel:title=Heartbeating}
> Description: All hosts must be communicating with Ambari. Hosts which are not
> reachable should be placed in Maintenance Mode.
> Failure Reason: There are hosts which are not communicating with Ambari.
> Hosts: c6401.ambari.apache.org
> {panel}
> {panel:title=MM Check}
> Description: Hosts in maintenance mode will be excluded from the upgrade.
> Warning Reason: There are hosts in maintenance mode which will be excluded
> from the upgrade.
> Hosts: c6402.ambari.apache.org
> {panel}
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