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Haohui Mai commented on HDFS-6034: ---------------------------------- It might be a testing error. I fail to reproduce it. I've verified the patch works in a HA cluster. +1. > DN registration should use DataNodeLayoutVersion instead of > NameNodeLayoutVersion > --------------------------------------------------------------------------------- > > Key: HDFS-6034 > URL: https://issues.apache.org/jira/browse/HDFS-6034 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode, ha, hdfs-client, namenode > Affects Versions: HDFS-5535 (Rolling upgrades) > Reporter: Haohui Mai > Assignee: Tsz Wo (Nicholas), SZE > Attachments: h6034_20140228.patch > > > Currently the registrationID is in the form of > {{BlockPoolID-NNLayoutVersion}}. When the NN bumps the layout version during > rolling upgrade, the DNs will fail to register with the new NN and exit, > regardless whether the new software version is used. -- This message was sent by Atlassian JIRA (v6.1.5#6160)