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From "Robert Ketcherside (JIRA)" <>
Subject [jira] [Created] (AMBARI-13424) preUpgradeCheck setting ineffective for NNHA in Ambari 2.1.2
Date Wed, 14 Oct 2015 19:55:05 GMT
Robert Ketcherside created AMBARI-13424:

             Summary: preUpgradeCheck setting ineffective for NNHA in Ambari 2.1.2
                 Key: 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
Single CentOS VM running Ambari Server and Ambari Agent 2.1.2, and HDP.
The cluster has no NameNode HA enabled.
            Reporter: Robert Ketcherside

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).

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":"","status":"FAIL"}}}]

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