[HDFS-11726] [SPS] : StoragePolicySatisfier should not select same storage type as source and destination in same datanode.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HDFS-10285
• Fix Version/s: HDFS-10285, 3.2.0
• Component/s: namenode
• Assignee: Surendra Singh Lilhore
• Reporter: Surendra Singh Lilhore
• Created: 30/Apr/17 11:43
• Updated: 13/Aug/18 05:39
• Resolved: 09/Jun/17 08:46

Description

2017-04-30 16:12:28,569 [BlockMoverTask-0] INFO  datanode.StoragePolicySatisfyWorker (Worker.java:moveBlock(248)) - Start moving block:blk_1073741826_1002 from src:127.0.0.1:41699 to destin:127.0.0.1:41699 to satisfy storageType, sourceStoragetype:ARCHIVE and destinStoragetype:ARCHIVE

2017-04-30 16:12:28,571 [DataXceiver for client /127.0.0.1:36428 [Replacing block BP-1409501412-127.0.1.1-1493548923222:blk_1073741826_1002 from 6c7aa66e-a778-43d5-89f6-053d5f6b35bc]] INFO  datanode.DataNode (DataXceiver.java:replaceBlock(1202)) - opReplaceBlock BP-1409501412-127.0.1.1-1493548923222:blk_1073741826_1002 received exception org.apache.hadoop.hdfs.server.datanode.ReplicaAlreadyExistsException: Replica FinalizedReplica, blk_1073741826_1002, FINALIZED
  getNumBytes()     = 1024
  getBytesOnDisk()  = 1024
  getVisibleLength()= 1024
  getVolume()       = /home/sachin/software/hadoop/HDFS-10285/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/data/data7
  getBlockURI()     = file:/home/sachin/software/hadoop/HDFS-10285/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/data/data7/current/BP-1409501412-127.0.1.1-1493548923222/current/finalized/subdir0/subdir0/blk_1073741826 already exists on storage ARCHIVE