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Mukul Kumar Singh commented on HDFS-11830: ------------------------------------------ +1, Looks good to me. > Ozone: Datanode needs to re-register to SCM if SCM is restarted > --------------------------------------------------------------- > > Key: HDFS-11830 > URL: https://issues.apache.org/jira/browse/HDFS-11830 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: ozone > Reporter: Weiwei Yang > Assignee: Weiwei Yang > Priority: Critical > Attachments: HDFS-11830-HDFS-7240.001.patch, > HDFS-11830-HDFS-7240.002.patch, HDFS-11830-HDFS-7240.003.patch, > HDFS-11830-HDFS-7240.004.patch > > > Problem description: > # Start NN, DN, SCM > # Restart SCM and will see following warnings in SCM log > 17/05/02 00:47:08 WARN node.SCMNodeManager: SCM receive heartbeat from > unregistered datanode > Datanode could not re-establish communication with SCM afterwards. Propose to > fix this by adding a new command in HB handling telling datanode to > re-register with SCM. Datanode once received this command transits to > REGISTER state again to proceed. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org