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Hadoop QA commented on AMBARI-20376: ------------------------------------ {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12856993/AMBARI-20376.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in ambari-web. Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/10940//testReport/ Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/10940//console This message is automatically generated. > While Moving Namenode via Move Master wizard, datanodes reported as down > ------------------------------------------------------------------------ > > Key: AMBARI-20376 > URL: https://issues.apache.org/jira/browse/AMBARI-20376 > Project: Ambari > Issue Type: Bug > Components: ambari-web > Affects Versions: 2.5.0 > Reporter: Antonenko Alexander > Assignee: Antonenko Alexander > Priority: Critical > Fix For: 2.5.0 > > Attachments: AMBARI-20376.patch > > > While Moving Namenode via Move Master wizard, datanodes reported as down > while starting ATS. > Seeing this in a couple of splits today. ATS fails to start showing there are > no live datanodes > {code} > { > "RemoteException": { > "exception": "RetriableException", > "javaClassName": "org.apache.hadoop.ipc.RetriableException", > "message": "org.apache.hadoop.hdfs.server.namenode.SafeModeException: > Cannot set permission for /ats/done. Name node is in safe mode.\nThe reported > blocks 934 has reached the threshold 0.9900 of total blocks 934. The number > of live datanodes 3 has reached the minimum number 0. In safe mode extension. > Safe mode will be turned off automatically in 21 seconds." > } > } > {code} > The step before ATS start, starts datanode explicitly. On retry ATS will > possibly come up. But no retries were needed before -- This message was sent by Atlassian JIRA (v6.3.15#6346)