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https://issues.apache.org/jira/browse/AMBARI-13424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Fernandez updated AMBARI-13424:
-----------------------------------------
Summary: Allow disabling RU/EU PreChecks (was: preUpgradeCheck setting
ineffective for NNHA in Ambari 2.1.2)
> Allow disabling RU/EU PreChecks
> -------------------------------
>
> Key: AMBARI-13424
> URL: https://issues.apache.org/jira/browse/AMBARI-13424
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.2
> Environment: Ambari 2.1.2, upgrading HDP 2.2.8 to 2.3.0.0.
> Single CentOS VM running Ambari Server and Ambari Agent 2.1.2, and HDP.
> Only hdfs, zookeeper and ambari metrics components are installed.
> The cluster has no NameNode HA enabled.
> Reporter: Robert Ketcherside
> Assignee: Alejandro Fernandez
>
> If the user disables preUpgradeCheck from the Experimental settings page, and
> then presses the "Perform Upgrade" button, they are immediately prompted with
> a preupgradecheck error, rather than proress of upgrade of HDFS. On Ambari
> 2.1.1, upgrade commenced and proceeded until the HDFS component itself
> encountered an error during upgrade.
> This blocks rolling upgrade with Isilon. NameNode HA is not relevant. If the
> preupgradecheck is ignored with Isilon, upgrade should commence and then the
> HDFS upgrade step will complete. (eg, 2.1.0, 2.1.1.)
> Here is the text within the box that appears (remember, this is with
> preUpgradeCheck disabled).
> Error
> 500 status code received on POST method for API:
> /api/v1/clusters/Hello/upgrades
> Error message: An internal system exception occurred: Unable to perform
> upgrade. Prerequisite checks failed
> [{"type":{"name":"PreUpgradeCheck","ordinal":62},"propertiesMap":{"UpgradeChecks":{"check":"NameNode
> High Availability must be
> enabled","check_type":"SERVICE","cluster_name":"Hello","failed_detail":[],"failed_on":["HDFS"],"id":"SERVICES_NAMENODE_HA","reason":"NameNode
> High Availability is not enabled. Verify that dfs.nameservices property is
> present in
> hdfs-site.xml.","repository_version":"2.3.2.0-2950","status":"FAIL"}}}]
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