Stephen Chu created HDFS-6760:
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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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