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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5529) { Disk Fail } Can we shutdown the DN when it meet's disk failed condition
Date Tue, 19 Nov 2013 13:47:22 GMT
Brahma Reddy Battula created HDFS-5529:
------------------------------------------

             Summary: { Disk Fail } Can we shutdown the DN when it meet's disk failed condition
                 Key: HDFS-5529
                 URL: https://issues.apache.org/jira/browse/HDFS-5529
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Brahma Reddy Battula


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..


{noformat}
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)
{noformat}



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