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From li ping <li.j...@gmail.com>
Subject Re: ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Datanode state: LV = -19 CTime = 1294051643891 is newer than the namespace state: LV = -19 CTime = 0
Date Sun, 09 Jan 2011 00:02:51 GMT
Are you sure you have formated the NN successfully.
If you really do not need the data, you can remove the directory, and then
reformat it.

On Sun, Jan 9, 2011 at 5:09 AM, Shuja Rehman <shujamughal@gmail.com> wrote:

> hi
>
> i have format the name node and now when i restart the cluster, i am
> getting
> the strange error. kindly let me know how to fix it.
> thnx
>
> /************************************************************
> STARTUP_MSG: Starting DataNode
> STARTUP_MSG:   host = hadoop.zoniversal.com/10.0.3.85
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.20.2+737
> STARTUP_MSG:   build =  -r 98c55c28258aa6f42250569bd7fa431ac657bdbd;
> compiled by 'root' on Mon Oct 11 13:14:05 EDT 2010
> ************************************************************/
> 2011-01-08 12:55:58,586 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 0 time(s).
> 2011-01-08 12:55:59,598 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 1 time(s).
> 2011-01-08 12:56:00,608 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 2 time(s).
> 2011-01-08 12:56:01,618 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 3 time(s).
> 2011-01-08 12:56:03,540 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
> Datanode state: LV = -19 CTime = 1294051643891 is newer than the namespace
> state: LV = -19 CTime = 0
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:249)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:148)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:356)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:272)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1492)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1432)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1450)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1575)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1585)
>
> 2011-01-08 12:56:03,541 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down DataNode at hadoop.zoniversal.com/10.0.3.85
> ************************************************************/
> 2011-01-08 13:04:17,579 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting DataNode
> STARTUP_MSG:   host = hadoop.zoniversal.com/10.0.3.85
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.20.2+737
> STARTUP_MSG:   build =  -r 98c55c28258aa6f42250569bd7fa431ac657bdbd;
> compiled by 'root' on Mon Oct 11 13:14:05 EDT 2010
> ************************************************************/
> 2011-01-08 13:04:19,028 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 0 time(s).
> 2011-01-08 13:04:20,038 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 1 time(s).
> 2011-01-08 13:04:21,049 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 2 time(s).
> 2011-01-08 13:04:22,060 INFO org.apache.hadoop.ipc.Client: Retrying connect
> to server: /10.0.3.85:8020. Already tried 3 time(s).
> 2011-01-08 13:04:24,601 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
> Incompatible namespaceIDs in /var/lib/hadoop-0.20/cache/hdfs/dfs/data:
> namenode namespaceID = 125812142; datanode namespaceID = 1083940884
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:233)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:148)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:356)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:272)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1492)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1432)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1450)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1575)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1585)
>
> 2011-01-08 13:04:24,602 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down DataNode at hadoop.zoniversal.com/10.0.3.85
>
>
> --
> Regards
> Shuja-ur-Rehman Baig
> <http://pk.linkedin.com/in/shujamughal>
>



-- 
-----李平

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