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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