[HDFS-5529] { Disk Fail } Can we shutdown the DN when it meet's disk failed condition

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Unassigned
• Reporter: Brahma Reddy Battula
• Created: 19/Nov/13 13:46
• Updated: 18/Feb/14 12:04
• Resolved: 18/Feb/14 12:04

Description

Scenario :
========

had configured the two dir's for the datanode
One dir is not having the permissions,Hence is throwing following exception and getting NPE while sending the heartbeat..

2013-11-19 17:35:26,599 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for block pool Block pool BP-994471486-10.18.40.21-1384754500555 (storage id DS-1184111760-10.18.40.38-50010-1384862726499) service to HOST-10-18-91-26/10.18.40.21:8020
org.apache.hadoop.util.DiskChecker$DiskErrorException: Too many failed volumes - current valid volumes: 1, volumes configured: 2, volumes failed: 1, volume failures tolerated: 0
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.<init>(FsDatasetImpl.java:202)
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetFactory.newInstance(FsDatasetFactory.java:34)
        at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetFactory.newInstance(FsDatasetFactory.java:30)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:966)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:928)
        at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:285)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:222)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:664)
        at java.lang.Thread.run(Thread.java:662)
2013-11-19 17:35:26,602 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Ending block pool service for: Block pool BP-994471486-10.18.40.21-1384754500555 (storage id DS-1184111760-10.18.40.38-50010-1384862726499) service to HOST-10-18-91-26/10.18.40.21:8020
2013-11-19 17:35:26,602 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool BP-994471486-10.18.40.21-1384754500555 (storage id DS-1184111760-10.18.40.38-50010-1384862726499) service to linux-hadoop/10.18.40.14:8020 beginning handshake with NN
2013-11-19 17:35:26,648 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool Block pool BP-994471486-10.18.40.21-1384754500555 (storage id DS-1184111760-10.18.40.38-50010-1384862726499) service to linux-hadoop/10.18.40.14:8020 successfully registered with NN
2013-11-19 17:35:26,648 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: For namenode linux-hadoop/10.18.40.14:8020 using DELETEREPORT_INTERVAL of 300000 msec  BLOCKREPORT_INTERVAL of 21600000msec Initial delay: 0msec; heartBeatInterval=3000
2013-11-19 17:35:26,649 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in BPOfferService for Block pool BP-994471486-10.18.40.21-1384754500555 (storage id DS-1184111760-10.18.40.38-50010-1384862726499) service to linux-hadoop/10.18.40.14:8020
java.lang.NullPointerException
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:439)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:525)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:676)
        at java.lang.Thread.run(Thread.java:662)

Issue Links

• is duplicated by: HDFS-2882 DN continues to start up, even if block pool fails to initialize