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) -- This message was sent by Atlassian JIRA (v6.1.5#6160)