| HADOOP-6017 | NameNode and SecondaryNameNode fail to restart because of abnormal filenames. | Blocker | . | Raghu Angadi | Tsz Wo Nicholas Sze | 
    
      
| HADOOP-5644 | Namnode is stuck in safe mode | Major | . | Suresh Srinivas | Suresh Srinivas | 
    
      
| HADOOP-5557 | Two minor problems in TestOverReplicatedBlocks | Minor | test | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | 
    
      
| HADOOP-5465 | Blocks remain under-replicated | Blocker | . | Hairong Kuang | Hairong Kuang | 
    
      
| HADOOP-5412 | TestInjectionForSimulatedStorage occasionally fails on timeout | Major | . | Hairong Kuang | Hairong Kuang | 
    
      
| HADOOP-5311 | Write pipeline recovery fails | Blocker | . | Hairong Kuang | dhruba borthakur | 
    
      
| HADOOP-5192 | Block reciever should not remove a finalized block when block replication fails | Blocker | . | Hairong Kuang | Hairong Kuang | 
    
      
| HADOOP-5134 | FSNamesystem#commitBlockSynchronization adds under-construction block locations to blocksMap | Blocker | . | Hairong Kuang | dhruba borthakur |