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$
