Tsz Wo (Nicholas), SZE created HDFS-6004: --------------------------------------------
Summary: Change DFSAdmin for rolling upgrade commands Key: HDFS-6004 URL: https://issues.apache.org/jira/browse/HDFS-6004 Project: Hadoop HDFS Issue Type: Sub-task Components: hdfs-client Reporter: Tsz Wo (Nicholas), SZE Assignee: Tsz Wo (Nicholas), SZE When rolling upgrade is initiated, a image is created for rollback. We propose the following changes for the DFSAdmin for rolling upgrade commands: - change "dfsadmin -rollingUpgrade start" to "dfsadmin -rollingUpgrade prepare"; - add information for the rollback image to "dfsadmin -rollingUpgrade query". -- This message was sent by Atlassian JIRA (v6.1.5#6160)