Can you check the datanode logs? May its an incompatible namespace issue. On Apr 6, 2012, at 11:13 AM, Sujit Dhamale <sujitdhamal...@gmail.com> wrote:
> 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$
