[ https://issues.apache.org/jira/browse/HDFS-2918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eli Collins reassigned HDFS-2918: --------------------------------- Assignee: (was: Eli Collins) > HA: Update HA docs to cover dfsadmin > ------------------------------------ > > Key: HDFS-2918 > URL: https://issues.apache.org/jira/browse/HDFS-2918 > Project: Hadoop HDFS > Issue Type: Improvement > Components: ha > Affects Versions: 0.24.0 > 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} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira