Re: How to bring standby namenode to active mode in case of active host node down?

Seems fencing mechanism is still required with apache hadoop 2.6 branch to avoid split brain case. We are already using 3 journal code node quorum in production. We are not able to bring it standby to active in case of active namenode host down. What should be the better way to bring stnadby namen

Hadoop-Hdfs-trunk-Java8 - Build # 313 - Still Failing

See https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/313/ ### ## LAST 60 LINES OF THE CONSOLE ### [...truncated 7054 lines...] main: [mkdir] Created dir: /home

Build failed in Jenkins: Hadoop-Hdfs-trunk-Java8 #313

See Changes: [vinodkv] YARN-2945. Fixing the CHANGES.txt to have the right JIRA number. -- [...truncated 6861 lines...] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.99

Hadoop-Hdfs-trunk - Build # 2252 - Still Failing

See https://builds.apache.org/job/Hadoop-Hdfs-trunk/2252/ ### ## LAST 60 LINES OF THE CONSOLE ### [...truncated 8268 lines...] [INFO] [INFO] --- maven-source-plugin:2.3