[ https://issues.apache.org/jira/browse/HADOOP-10180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla resolved HADOOP-10180. --------------------------------------- Resolution: Invalid JIRA is for developers to track work items, and specific bug reports can be filed. For general user questions and help with using hadoop, please use user@ mailing list. > 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)