Lisheng Sun created HDFS-14644:
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Summary: That replication of block failed leads to decommission is
blocked when the number of replicas of block is greater than the number of
datanode
Key: HDFS-14644
URL: https://issues.apache.org/jira/browse/HDFS-14644
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 2.7.7, 2.8.5, 3.0.3, 2.9.2, 3.1.1
Reporter: Lisheng Sun
2019-07-10,15:37:18,028 WARN
org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy: Failed to
place enough replicas, still in need of 5 to reach 10
(unavailableStorages=[DISK, ARCHIVE], storagePolicy=BlockStoragePolicy\{HOT:7,
storageTypes=[DISK], creationFallbacks=[], replicationFallbacks=[ARCHIVE]},
newBlock=false) All required storage types are unavailable:
unavailableStorages=[DISK, ARCHIVE], storagePolicy=BlockStoragePolicy\{HOT:7,
storageTypes=[DISK], creationFallbacks=[], replicationFallbacks=[ARCHIVE]}
2019-07-10,15:37:18,028 WARN
org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy: Failed to
place enough replicas, still in need of 5 to reach 10 (unavailableStorages=[],
storagePolicy=BlockStoragePolicy\{HOT:7, storageTypes=[DISK],
creationFallbacks=[], replicationFallbacks=[ARCHIVE]}, newBlock=false) For more
information, please enable DEBUG log level on
org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy
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