Lei (Eddy) Xu created HDFS-7173:
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Summary: Only keep successfully loaded volumes in the
configuration.
Key: HDFS-7173
URL: https://issues.apache.org/jira/browse/HDFS-7173
Project: Hadoop HDFS
Issue Type: Sub-task
Components: datanode
Affects Versions: 3.0.0, 2.6.0
Reporter: Lei (Eddy) Xu
Assignee: Lei (Eddy) Xu
Hot swapping data volumes might fail. The user should be able to fix the failed
volumes and disks, then ask the {{DataNode}} to retry the previously failed
volumes.
To attempt to reload the failed volume again on the same directory, this failed
directory must not be presented in the {{Configuration}} object that {{DataNode
has}}. Therefore, it should only put successfully loaded volumes into the
{{Configuration}} object.
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