[GitHub] [hadoop] smengcl edited a comment on pull request #2472: HDFS-15689. allow/disallowSnapshot on EZ roots shouldn't fail due to trash provisioning/emptiness check

[GitBox <gi...@apache.org>]

smengcl edited a comment on pull request #2472:
URL: https://github.com/apache/hadoop/pull/2472#issuecomment-733275478


   > Thanks @smengcl . I think, we will run into the same problem while creating an encryption zone on a snapshottable dir and may need a similar fix there. Can you plz check?
   
   The reverse won't be a problem because encryption zone can only be created on empty directories.
   
   Once snapshot is enabled (`dfs.namenode.snapshot.trashroot.enabled=true`), `.Trash` will prevent encryption zone to be enabled on that directory unless the admin manually removes it and then do it again.


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