Ravi Prakash created HDFS-3321: ---------------------------------- Summary: 1 datanode more than dfs.namenode.safemode.min.datanodes is required to come out of safemode. Key: HDFS-3321 URL: https://issues.apache.org/jira/browse/HDFS-3321 Project: Hadoop HDFS Issue Type: Bug Affects Versions: 0.23.1 Reporter: Ravi Prakash
Courtesy Andreina, {quote} When "dfs.namenode.safemode.min.datanodes" is configured to n So namenode will be in safemode until n DN are registered with the namenode . But in UI it displays that n+1 datanodes are additionally needed. And "safe mode will be turned off automatically " message is also displayed . ========== "dfs.namenode.safemode.min.datanodes" =2 Started the NN The UI report displays that "Safe mode is on.The number of live datanodes 0 needs additional 3 live inimum number 2. Safe mode will turned off automatically". {quote} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira