[HDFS-5185] DN fails to startup if one of the data dir is full

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.6.0
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Vinayakumar B
• Reporter: Vinayakumar B
• Created: 11/Sep/13 14:38
• Updated: 01/Dec/14 03:10
• Resolved: 04/Aug/14 08:45

Description

DataNode fails to startup if one of the data dirs configured is out of space.

fails with following exception

2013-09-11 17:48:43,680 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for block pool Block pool <registering> (storage id DS-308316523-xx.xx.xx.xx-64015-1378896293604) service to /nn1:65110
java.io.IOException: Mkdirs failed to create /opt/nish/data/current/BP-123456-1234567/tmp
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.<init>(BlockPoolSlice.java:105)
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.addBlockPool(FsVolumeImpl.java:216)
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeList.addBlockPool(FsVolumeList.java:155)
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.addBlockPool(FsDatasetImpl.java:1593)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:834)
        at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:311)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:217)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:660)
        at java.lang.Thread.run(Thread.java:662)

It should continue to start-up with other data dirs available.