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https://issues.apache.org/jira/browse/HDFS-11029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated HDFS-11029:
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    Summary: [SPS]:Provide retry mechanism for the blocks which were failed 
while moving its storage at DNs  (was: Provide retry mechanism for the blocks 
which were failed while moving its storage at DNs)

> [SPS]:Provide retry mechanism for the blocks which were failed while moving 
> its storage at DNs
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11029
>                 URL: https://issues.apache.org/jira/browse/HDFS-11029
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: HDFS-10285
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>
> When DN co-ordinator finds some of blocks associated to trackedID could not 
> be moved its storages, due to some errors.Here retry may work in some cases, 
> example if target node has no space. Then retry by finding another target can 
> work. 
> So, based on the movement result flag(SUCCESS/FAILURE) from DN Co-ordinator,  
> NN would retry by scanning the blocks again.



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