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From "Stephen Chu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6760) Deletion of directories with snapshots will not output reason for trash move failure
Date Mon, 28 Jul 2014 05:53:38 GMT
Stephen Chu created HDFS-6760:
---------------------------------

             Summary: Deletion of directories with snapshots will not output reason for trash
move failure
                 Key: HDFS-6760
                 URL: https://issues.apache.org/jira/browse/HDFS-6760
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 2.4.0
            Reporter: Stephen Chu
            Assignee: Stephen Chu
            Priority: Minor


When using trash-enabled FsShell to delete a directory that has snapshots, we se an error
message saying "Failed to move to trash" but no  explanation.

{code}
[hdfs@schu-enc2 ~]$ hdfs dfs -rm -r snap
2014-07-28 05:45:29,527 INFO  [main] fs.TrashPolicyDefault (TrashPolicyDefault.java:initialize(92))
- Namenode trash configuration: Deletion interval = 1440 minutes, Emptier interval = 0 minutes.
rm: Failed to move to trash: hdfs://schu-enc2.vpc.com:8020/user/hdfs/snap. Consider using
-skipTrash option
{code}

If we use -skipTrash, then we'll get the explanation: "rm: The directory /user/hdfs/snap cannot
be deleted since /user/hdfs/snap is snapshottable and already has snapshots"

It'd be an improvement to make it clear that dirs with snapshots cannot be deleted when we're
using the trash.



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