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Hadoop >> mail # user >> problems under same hosts and different ip addresses

Henry JunYoung KIM 2013-02-20, 02:23
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Re: problems under same hosts and different ip addresses
check dfs.include in your namenode. Entries in there should resolve to new addresses.

On Feb 19, 2013, at 18:23, Henry JunYoung KIM <[EMAIL PROTECTED]> wrote:

> hi, hadoopers.
> Recently, we've moved our clusters to another idc center.
> We keep the same host-names, but, they have now different ip addresses.
> Without any configuration changes, we got the following error after starting cluster.
> <-- old ip
> <-- new ip
> 2013-02-20 10:26:10,536 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for block pool Block pool BP-846907911- (storage id DS-2127506481- service to search-ddm-test2.daum.net/
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException): Datanode denied communication with namenode: DatanodeRegistration(, storageID=DS-2127506481-, infoPort=50075, ipcPort=50020, storageInfo=lv=-40;cid=CID-c497f9b4-77e1-4b04-acfe-31aceea9b0b1;nsid=582785493;c=0)
>    at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.registerDatanode(DatanodeManager.java:566)
>    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.registerDatanode(FSNamesystem.java:3358)
>    at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.registerDatanode(NameNodeRpcServer.java:854)
>    at org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.registerDatanode(DatanodeProtocolServerSideTranslatorPB.java:91)
> any suggestions to resolve this problem?
> thanks for your concerns.