[ https://issues.apache.org/jira/browse/HADOOP-8208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eli Collins moved HDFS-3145 to HADOOP-8208: ------------------------------------------- Component/s: (was: ha) ha Target Version/s: 0.23.3 (was: 0.23.3) Affects Version/s: (was: 0.23.2) Key: HADOOP-8208 (was: HDFS-3145) Project: Hadoop Common (was: Hadoop HDFS) > Disallow self failover > ---------------------- > > Key: HADOOP-8208 > URL: https://issues.apache.org/jira/browse/HADOOP-8208 > Project: Hadoop Common > Issue Type: Bug > Components: ha > 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