surendra singh lilhore created HDFS-8147:
--------------------------------------------

             Summary: Mover : Dispatcher should not set hasFailure for 
DDatanode when receive ReplicaAlreadyExistsException
                 Key: HDFS-8147
                 URL: https://issues.apache.org/jira/browse/HDFS-8147
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: balancer & mover
    Affects Versions: 2.6.0
            Reporter: surendra singh lilhore
            Assignee: surendra singh lilhore


{code}
15/04/15 10:47:17 WARN balancer.Dispatcher: Failed to move blk_1073741852_1028 
with size=11990 from 10.19.92.74:50010:DISK to 10.19.92.73:50010:ARCHIVE 
through 10.19.92.73:50010: Got error, status message opReplaceBlock 
BP-1258709199-10.19.92.74-1428292615636:blk_1073741852_1028 received exception 
org.apache.hadoop.hdfs.server.datanode.ReplicaAlreadyExistsException: Replica 
FinalizedReplica, blk_1073741852_1028, FINALIZED
  getNumBytes()     = 11990
  getBytesOnDisk()  = 11990
  getVisibleLength()= 11990
  getVolume()       = /home/hadoop/hadoop/hadoop-3.0.0/dfs/data1/current
  getBlockFile()    = 
/home/hadoop/hadoop/hadoop-3.0.0/dfs/data1/current/BP-1258709199-10.19.92.74-1428292615636/current/finalized/subdir0/subdir0/blk_1073741852
  unlinked          =false already exists on storage ARCHIVE, block move is 
failed
{code}



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