[HDFS-14644] That replication of block failed leads to decommission is blocked when the number of replicas of block is greater than the number of datanode

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.1.1, 2.9.2, 3.0.3, 2.8.5, 2.7.7
• Component/s: namenode
• Assignee: Lisheng Sun
• Reporter: Lisheng Sun
• Created: 11/Jul/19 01:48
• Updated: 02/Oct/19 17:14

Description

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