Antonenko Alexander created AMBARI-8588:
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Summary: Ambari should not support NN HA in HDP 1.3.x
Key: AMBARI-8588
URL: https://issues.apache.org/jira/browse/AMBARI-8588
Project: Ambari
Issue Type: Bug
Components: ambari-web
Affects Versions: 1.6.1
Reporter: Antonenko Alexander
Assignee: Antonenko Alexander
Priority: Blocker
Fix For: 2.0.0
PROBLEM: On HDP 1.3 installed by Ambari 1.6.1 after upgrade to Ambari 1.7,
Ambari presenting option to enable HA for the NameNode. But HDP 1.3 is not
supporting NN HA.
If customer, mislead by Ambari will try in enable HA, will get the following:
Ambari instructing:
Login to the NameNode host hdp2-2-1.lfedotov.com.
Put the NameNode in Safe Mode (read-only mode):
sudo su -l hdfs -c 'hdfs dfsadmin -safemode enter'
When customer logged in to namenode machine and try to execute demanded command
he got the following:
[root@HDP2-2-1 ~]# sudo su -l hdfs -c 'hdfs dfsadmin -safemode enter'
-bash: hdfs: command not found
[root@HDP2-2-1 ~]#
Because "hdfs" command is not exists in HDP 1.3.
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