Leon Gao created HDFS-15807:
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Summary: RefreshVolume fails when replacing DISK/ARCHIVE vol on
same mount
Key: HDFS-15807
URL: https://issues.apache.org/jira/browse/HDFS-15807
Project: Hadoop HDFS
Issue Type: Sub-task
Components: datanode
Reporter: Leon Gao
Assignee: Leon Gao
When refreshing volumes to replace DISK/ARCHIVE on the same mount, it will fail
because we have a check to see if the same vol type already exists on the mount.
We can resolve it by removing volumes first, then add new volumes in
refreshVolume logic.
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