[jira] [Created] (HDFS-2918) HA: dfsadmin should failover like other clients

["Eli Collins (Created) (JIRA)" <ji...@apache.org>]

HA: dfsadmin should failover like other clients
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                 Key: HDFS-2918
                 URL: https://issues.apache.org/jira/browse/HDFS-2918
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ha
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Eli Collins


dfsadmin currently always uses the first namenode rather than failing over. It should failover like other clients, unless fs specifies a specific namenode.

{noformat}
hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs haadmin -failover nn1 nn2
Failover from nn1 to nn2 successful
# nn2 is 8022
hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -fs localhost:8022 -safemode enter
Safe mode is ON
hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -safemode get 
Safe mode is OFF
hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -fs localhost:8022 -safemode get
Safe mode is ON
{noformat}


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