Junwang Zhao created HDFS-14925:
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Summary: rename operation should check nest snapshot
Key: HDFS-14925
URL: https://issues.apache.org/jira/browse/HDFS-14925
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Reporter: Junwang Zhao
When we do rename operation, If the src directory or any of its descendant
is snapshottable and the dst directory or any of its ancestors is
snapshottable,
we consider this as nested snapshot, which should be denied.
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