Home | About | Sematext search-lucene.com search-hadoop.com
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
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hadoop >> mail # user >> Data Nodes do not start


Copy link to this message
-
Re: Data Nodes do not start
Don't use start-all.sh ,use data node daemon script to start the data node .

On Mon, Feb 7, 2011 at 11:52 PM, ahmednagy <[EMAIL PROTECTED]>wrote:

>
> Dear All,
> Please Help. I have tried to start the data nodes with ./start-all.sh on a
> 7
> node cluster however I recieve incompatible namespace when i try to put any
> file on the HDFS I tried the suggestions in the known issues for changing
> the VERSION number in the hdfs however it did not work. any ideas Please
> advise. I am attaching the error in the log file for data node
> Regards
>
>
> https://issues.apache.org/jira/browse/HDFS-107
>
>
> 2011-02-07 18:52:28,691 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting DataNode
> STARTUP_MSG:   host = n01/192.168.0.1
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.21.0
> STARTUP_MSG:   classpath >
> /home/ahmednagy/HadoopStandalone/hadoop-0.21.0/bin/../conf:/usr/lib/jvm/java-6-sun/lib/tools.jar:/home/ahmednagy/HadoopStandalone$
> STARTUP_MSG:   build > https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.21 -r
> 985326; compiled by 'tomwhite' on Tue Aug 17 01:02:28 EDT 2010
> ************************************************************/
> 2011-02-07 18:52:28,881 WARN org.apache.hadoop.hdfs.server.common.Util:
> Path
> /tmp/mylocal/ should be specified as a URI in configuration files. Please
> updat$
> 2011-02-07 18:52:29,115 INFO org.apache.hadoop.security.Groups: Group
> mapping impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
> cacheTimeout=3000$
> 2011-02-07 18:52:29,580 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
> Incompatible namespaceIDs in /tmp/mylocal: namenode name$
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:237)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:152)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:336)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:260)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:237)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1440)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1393)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1407)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1552)
>
> --
> View this message in context:
> http://old.nabble.com/Data-Nodes-do-not-start-tp30866323p30866323.html
> Sent from the Hadoop core-user mailing list archive at Nabble.com.
>
>
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