/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG: host = slave/172.16.0.58
STARTUP_MSG: args = []
************************************************************/
2007-12-20 12:38:35,507 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=DataNode, sessionId=null
2007-12-20 12:38:35,926 ERROR org.apache.hadoop.dfs.DataNode:
java.io.IOException: Incompatible namespaceIDs in
/home/hdusr/hadoop-hdusr/dfs/data: namenode namespaceID = 15620830; datanode
namespaceID = 307869798
at org.apache.hadoop.dfs.DataStorage.doTransition(DataStorage.java:294)
at
org.apache.hadoop.dfs.DataStorage.recoverTransitionRead(DataStorage.java:138)
at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:243)
at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:206)
at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:1575)
at org.apache.hadoop.dfs.DataNode.run(DataNode.java:1519)
at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java:1540)
at org.apache.hadoop.dfs.DataNode.main(DataNode.java:1711)
2007-12-20 12:38:35,928 INFO org.apache.hadoop.dfs.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at slave/172.16.0.58
************************************************************/
IN SLAVE
we get the error mentioned above in the slave node of multi-noded cluster
with 2 machines. How to resolve this issue.
Kindly help out us
-Shiva
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