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MapReduce >> mail # user >> In Compatible clusterIDs


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nagarjuna kanamarlapudi 2013-02-20, 15:36
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Re: In Compatible clusterIDs
Hi Nagarjuna,

Is it a test cluster? Do you have another cluster running close-by?
Also, is it your first try?

It seems there is some previous data in the dfs directory which is not
in sync with the last installation.

Maybe you can remove the content of
/Users/nagarjunak/Documents/hadoop-install/hadoop-2.0.3-alpha/tmp_20
if it's not usefull for you, reformat your node and restart it?

JM

2013/2/20, nagarjuna kanamarlapudi <[EMAIL PROTECTED]>:
> Hi,
>
> I am trying to setup single node cluster of hadop 2.0.*
>
> When trying to start datanode I got the following error. Could anyone help
> me out
>
> Block pool BP-1894309265-124.123.215.187-1361374377471 (storage id
> DS-1175433225-124.123.215.187-50010-1361374235895) service to nagarjuna/
> 124.123.215.187:9000
> java.io.IOException: Incompatible clusterIDs in
> /Users/nagarjunak/Documents/hadoop-install/hadoop-2.0.3-alpha/tmp_20/dfs/data:
> namenode clusterID = CID-800b7eb1-7a83-4649-86b7-617913e82ad8; datanode
> clusterID = CID-1740b490-8413-451c-926f-2f0676b217ec
>         at
> org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:391)
>         at
> org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:191)
>         at
> org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:219)
>         at
> org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:850)
>         at
> org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:821)
>         at
> org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:280)
>         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:680)
> 2013-02-20 21:03:39,856 WARN
> org.apache.hadoop.hdfs.server.datanode.DataNode: Ending block pool service
> for: Block pool BP-1894309265-124.123.215.187-1361374377471 (storage id
> DS-1175433225-124.123.215.187-50010-1361374235895) service to nagarjuna/
> 124.123.215.187:9000
> 2013-02-20 21:03:39,958 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: Removed Block pool
> BP-1894309265-124.123.215.187-1361374377471 (storage id
> DS-1175433225-124.123.215.187-50010-1361374235895)
> 2013-02-20 21:03:41,959 WARN
> org.apache.hadoop.hdfs.server.datanode.DataNode: Exiting Datanode
> 2013-02-20 21:03:41,961 INFO org.apache.hadoop.util.ExitUtil: Exiting with
> status 0
> 2013-02-20 21:03:41,963 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down DataNode at nagarjuna/124.123.215.187
> ************************************************************/
>
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nagarjuna kanamarlapudi 2013-02-20, 15:52
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Vijay Thakorlal 2013-02-20, 19:49
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB