If you ran hadoop process under account 'hadoop', and set the hadoop data directory to a particular directory, you need make sure that your hadoop account can write to that directory.
On Jan 2, 2008 2:06 PM, Natarajan, Senthil <[EMAIL PROTECTED]> wrote: > I Just uncommented and changed the JAVA_HOME, that's all I did in > hadoop-env.sh. > Do I need to configure anything else. > > Here is the hadoop-env.sh > > > # Set Hadoop-specific environment variables here. > > # The only required environment variable is JAVA_HOME. All others are > # optional. When running a distributed configuration it is best to > # set JAVA_HOME in this file, so that it is correctly defined on > # remote nodes. > > # The java implementation to use. Required. > export JAVA_HOME=/usr/local/GridComputing/software/jdk1.5.0_04 > > # Extra Java CLASSPATH elements. Optional. > # export HADOOP_CLASSPATH= > > # The maximum amount of heap to use, in MB. Default is 1000. > # export HADOOP_HEAPSIZE=2000 > > # Extra Java runtime options. Empty by default. > # export HADOOP_OPTS=-server > > # Extra ssh options. Empty by default. > # export HADOOP_SSH_OPTS="-o ConnectTimeout=1 -o SendEnv=HADOOP_CONF_DIR" > > # Where log files are stored. $HADOOP_HOME/logs by default. > # export HADOOP_LOG_DIR=${HADOOP_HOME}/logs > > # File naming remote slave hosts. $HADOOP_HOME/conf/slaves by default. > # export HADOOP_SLAVES=${HADOOP_HOME}/conf/slaves > > # host:path where hadoop code should be rsync'd from. Unset by default. > # export HADOOP_MASTER=master:/home/$USER/src/hadoop > > # Seconds to sleep between slave commands. Unset by default. This > # can be useful in large clusters, where, e.g., slave rsyncs can > # otherwise arrive faster than the master can service them. > # export HADOOP_SLAVE_SLEEP=0.1 > > # The directory where pid files are stored. /tmp by default. > # export HADOOP_PID_DIR=/var/hadoop/pids > > # A string representing this instance of hadoop. $USER by default. > # export HADOOP_IDENT_STRING=$USER > > # The scheduling priority for daemon processes. See 'man nice'. > # export HADOOP_NICENESS=10 > > -----Original Message----- > From: Ted Dunning [mailto:[EMAIL PROTECTED] > Sent: Wednesday, January 02, 2008 5:02 PM > To: hadoop-user@lucene.apache.org > Subject: Re: Datanode Problem > > > Well, you have something very strange going on in your scripts. Have you > looked at hadoop-env.sh? > > > On 1/2/08 1:58 PM, "Natarajan, Senthil" <[EMAIL PROTECTED]> wrote: > > >> /bin/bash: /root/.bashrc: Permission denied > >> localhost: ssh: localhost: Name or service not known > >> /bin/bash: /root/.bashrc: Permission denied > >> localhost: ssh: localhost: Name or service not known > > -- tp