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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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Jean-Marc Spaggiari 2013-02-20, 15:40
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Re: In Compatible clusterIDs
Hi Jean Marc,

Yes, this is the cluster I am trying  to create and then will scale up.

As per your suggestion I deleted the folder /Users/nagarjunak/Documents/
hadoop-install/hadoop-2.0.3-alpha/tmp_20 an formatted the cluster.
Now I get the following error.
2013-02-20 21:17:25,668 FATAL
org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for
block pool Block pool BP-811644675-124.123.215.187-1361375214801 (storage
id DS-1515823288-124.123.215.187-50010-1361375245435) service to nagarjuna/
124.123.215.187:9000
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException):
Datanode denied communication with namenode: DatanodeRegistration(0.0.0.0,
storageID=DS-1515823288-124.123.215.187-50010-1361375245435,
infoPort=50075, ipcPort=50020,
storageInfo=lv=-40;cid=CID-723b02a7-3441-41b5-8045-2a45a9cf96b0;nsid=1805451571;c=0)
        at
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.registerDatanode(DatanodeManager.java:629)
        at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.registerDatanode(FSNamesystem.java:3459)
        at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.registerDatanode(NameNodeRpcServer.java:881)
        at
org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.registerDatanode(DatanodeProtocolServerSideTranslatorPB.java:90)
        at
org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:18295)
        at org.apache.hadoop.ipc.Protob
On Wed, Feb 20, 2013 at 9:10 PM, Jean-Marc Spaggiari <
[EMAIL PROTECTED]> wrote:

> 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
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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