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Hudson commented on HDFS-3071: ------------------------------ Integrated in Hadoop-Common-0.23-Commit #718 (See [https://builds.apache.org/job/Hadoop-Common-0.23-Commit/718/]) HDFS-3071. haadmin failover command does not provide enough detail when target NN is not ready to be active. Contributed by Todd Lipcon. (Revision 1304204) Result = SUCCESS todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1304204 Files : * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/FailoverController.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAAdmin.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAServiceProtocol.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAServiceStatus.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HealthMonitor.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/protocolPB/HAServiceProtocolClientSideTranslatorPB.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/protocolPB/HAServiceProtocolServerSideTranslatorPB.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/proto/HAServiceProtocol.proto * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestFailoverController.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestHAAdmin.java * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestHealthMonitor.java * /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java * /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java * /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSHAAdmin.java * /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSHAAdminMiniCluster.java > haadmin failover command does not provide enough detail for when target NN is > not ready to be active > ---------------------------------------------------------------------------------------------------- > > Key: HDFS-3071 > URL: https://issues.apache.org/jira/browse/HDFS-3071 > Project: Hadoop HDFS > Issue Type: Improvement > Components: ha > Affects Versions: 0.24.0 > Reporter: Philip Zeyliger > Assignee: Todd Lipcon > Fix For: 0.24.0, 0.23.2 > > Attachments: hdfs-3071.txt, hdfs-3071.txt, hdfs-3071.txt, > hdfs-3071.txt, hdfs-3071.txt, hdfs-3071.txt > > > When running the failover command, you can get an error message like the > following: > {quote} > $ hdfs --config $(pwd) haadmin -failover namenode2 namenode1 > Failover failed: xxx.yyy/1.2.3.4:8020 is not ready to become active > {quote} > Unfortunately, the error message doesn't describe why that node isn't ready > to be active. In my case, the target namenode's logs don't indicate anything > either. It turned out that the issue was "Safe mode is ON.Resources are low > on NN. Safe mode must be turned off manually.", but ideally the user would be > told that at the time of the failover. -- 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