[ https://issues.apache.org/jira/browse/HDFS-3145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aaron T. Myers updated HDFS-3145: --------------------------------- Affects Version/s: 0.23.2 Status: Patch Available (was: Open) > Disallow self failover > ---------------------- > > Key: HDFS-3145 > URL: https://issues.apache.org/jira/browse/HDFS-3145 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha > Affects Versions: 0.23.2 > Reporter: Eli Collins > Assignee: Eli Collins > Attachments: hdfs-3145.txt > > > It is currently possible for users to make a standby NameNode failover to > itself and become active. We shouldn't allow this to happen in case operators > mistype and miss the fact that there are now two active NNs. > {noformat} > bash-4.1$ hdfs haadmin -ns ha-nn-uri -failover nn2 nn2 > Failover from nn2 to nn2 successful > {noformat} > After the failover above, nn2 will be active. -- 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