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Hadoop >> mail # user >> Data Node is not Started


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Data Node is not Started
Hi all,
my DataNode is not started .

even after deleting hadoop*.pid file from /tmp , But still Data node is not
started ,
Hadoop Version: hadoop-1.0.1.tar.gz
Java version : java version "1.6.0_26
Operating System : Ubuntu 11.10
i did below procedure
*hduser@sujit:~/Desktop/hadoop/bin$ jps*
11455 Jps
*hduser@sujit:~/Desktop/hadoop/bin$ start-all.sh*
Warning: $HADOOP_HOME is deprecated.

starting namenode, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-namenode-sujit.out
localhost: starting datanode, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-datanode-sujit.out
localhost: starting secondarynamenode, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-secondarynamenode-sujit.out
starting jobtracker, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-jobtracker-sujit.out
localhost: starting tasktracker, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-tasktracker-sujit.out

*hduser@sujit:~/Desktop/hadoop/bin$ jps*
11528 NameNode
12019 SecondaryNameNode
12355 TaskTracker
12115 JobTracker
12437 Jps
*hduser@sujit:~/Desktop/hadoop/bin$ stop-all.sh*
Warning: $HADOOP_HOME is deprecated.

stopping jobtracker
localhost: stopping tasktracker
stopping namenode
localhost: no datanode to stop
localhost: stopping secondarynamenode
*hduser@sujit:~/Desktop/hadoop/bin$ jps*
13127 Jps
*hduser@sujit:~/Desktop/hadoop/bin$ ls /tmp*
hadoop-hduser-datanode.pid
hsperfdata_hduser                        keyring-meecr7
ssh-JXYCAJsX1324
hadoop-hduser-jobtracker.pid
hsperfdata_sujit                         plugtmp
unity_support_test.0
hadoop-hduser-namenode.pid
Jetty_0_0_0_0_50030_job____yn7qmk        pulse-2L9K88eMlGn7
virtual-hduser.Q8j5nJ
hadoop-hduser-secondarynamenode.pid
Jetty_0_0_0_0_50070_hdfs____w2cu08       pulse-Ob9vyJcXyHZz
hadoop-hduser-tasktracker.pid
Jetty_0_0_0_0_50090_secondary____y6aanv  pulse-PKdhtXMmr18n

*Deleted *.pid file :)

hduser@sujit:~$ ls /tmp*
hsperfdata_hduser                        pulse-2L9K88eMlGn7
hsperfdata_sujit                         pulse-Ob9vyJcXyHZz
Jetty_0_0_0_0_50030_job____yn7qmk        pulse-PKdhtXMmr18n
Jetty_0_0_0_0_50070_hdfs____w2cu08       ssh-JXYCAJsX1324
Jetty_0_0_0_0_50090_secondary____y6aanv  unity_support_test.0
keyring-meecr7                           virtual-hduser.Q8j5nJ
plugtmp

*hduser@sujit:~/Desktop/hadoop$ bin/hadoop namenode -format*
Warning: $HADOOP_HOME is deprecated.

12/04/06 23:23:22 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = sujit.(null)/127.0.1.1
STARTUP_MSG:   args = [-format]
STARTUP_MSG:   version = 1.0.1
STARTUP_MSG:   build https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
1243785; compiled by 'hortonfo' on Tue Feb 14 08:15:38 UTC 2012
************************************************************/
Re-format filesystem in /app/hadoop/tmp/dfs/name ? (Y or N) Y
12/04/06 23:23:25 INFO util.GSet: VM type       = 32-bit
12/04/06 23:23:25 INFO util.GSet: 2% max memory = 17.77875 MB
12/04/06 23:23:25 INFO util.GSet: capacity      = 2^22 = 4194304 entries
12/04/06 23:23:25 INFO util.GSet: recommended=4194304, actual=4194304
12/04/06 23:23:25 INFO namenode.FSNamesystem: fsOwner=hduser
12/04/06 23:23:25 INFO namenode.FSNamesystem: supergroup=supergroup
12/04/06 23:23:25 INFO namenode.FSNamesystem: isPermissionEnabled=true
12/04/06 23:23:25 INFO namenode.FSNamesystem: dfs.block.invalidate.limit=100
12/04/06 23:23:25 INFO namenode.FSNamesystem: isAccessTokenEnabled=false
accessKeyUpdateInterval=0 min(s), accessTokenLifetime=0 min(s)
12/04/06 23:23:25 INFO namenode.NameNode: Caching file names occuring more
than 10 times
12/04/06 23:23:26 INFO common.Storage: Image file of size 112 saved in 0
seconds.
12/04/06 23:23:26 INFO common.Storage: Storage directory
/app/hadoop/tmp/dfs/name has been successfully formatted.
12/04/06 23:23:26 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at sujit.(null)/127.0.1.1
************************************************************/
hduser@sujit:~/Desktop/hadoop$ bin/start-all.sh
Warning: $HADOOP_HOME is deprecated.

starting namenode, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-namenode-sujit.out
localhost: starting datanode, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-datanode-sujit.out
localhost: starting secondarynamenode, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-secondarynamenode-sujit.out
starting jobtracker, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-jobtracker-sujit.out
localhost: starting tasktracker, logging to
/home/hduser/Desktop/hadoop/libexec/../logs/hadoop-hduser-tasktracker-sujit.out
*hduser@sujit:~/Desktop/hadoop$ jps*
14157 JobTracker
14492 Jps
14397 TaskTracker
14063 SecondaryNameNode
13574 NameNode
hduser@sujit:~/Desktop/hadoop$
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