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https://issues.apache.org/jira/browse/HDFS-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17216131#comment-17216131
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Ayush Saxena commented on HDFS-14431:
-------------------------------------

Provided we have now HDFS-15294 and which started with an intent of supporting 
renames at HDFS-15087. 
Should we not leverage that and support rename across Namespaces? Or is there 
some reason we can't use it for rename?
Casually thinking about it, I don't feel there would be any problem.

[~elgoiri] [~LiJinglun] [~linyiqun] [~aajisaka] any thoughts on concluding 
renames?

> RBF: Rename with multiple subclusters should fail if no eligible locations
> --------------------------------------------------------------------------
>
>                 Key: HDFS-14431
>                 URL: https://issues.apache.org/jira/browse/HDFS-14431
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>            Priority: Major
>         Attachments: HDFS-14431-HDFS-13891.001.patch, 
> HDFS-14431-HDFS-13891.002.patch, HDFS-14431-HDFS-13891.003.patch, 
> HDFS-14431-HDFS-13891.004.patch, HDFS-14431-HDFS-13891.005.patch, 
> HDFS-14431-HDFS-13891.006.patch, HDFS-14431-HDFS-13891.007.patch
>
>
> Currently, the rename will fail with FileNotFoundException which is not clear 
> to the user.
> The operation should fail stating the reason is that there are no eligible 
> destinations.



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