Ravi Hemnani created HADOOP-10180:
-------------------------------------
Summary: Getting some error while increasing the hadoop cluster
size.
Key: HADOOP-10180
URL: https://issues.apache.org/jira/browse/HADOOP-10180
Project: Hadoop Common
Issue Type: Task
Reporter: Ravi Hemnani
Priority: Trivial
We have a 5-node hadoop cluster and we are trying to increase the size of the
cluster. We have added 2 new disks to each of the 5-boxes and we followed all
the steps of putting the disk to the hadoop cluster. Everything works fine
except when we restart a datanode, there are errors multiple times in the log
file. Following is the error which appears in the log files,
2013-12-23 14:32:19,406 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
DatanodeRegistration(172.16.200.128:50010,
storageID=DS-1937554000-172.16.200.128-50010-1376068931321, infoPort=50075,
ipcPort=50020):DataXceiver
org.apache.hadoop.hdfs.server.datanode.BlockAlreadyExistsException: Block
blk_-8997395530627676954_276834 is valid, and cannot be written to.
at
org.apache.hadoop.hdfs.server.datanode.FSDataset.writeToBlock(FSDataset.java:1428)
at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:114)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:302)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:112)
at java.lang.Thread.run(Thread.java:724)
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