Jonathan Hurley created AMBARI-13801:
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Summary: 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
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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