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From "Ashok Varma Penmetsa (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4363) data node startup problem
Date Tue, 07 Oct 2008 13:19:44 GMT
data node startup problem
-------------------------

                 Key: HADOOP-4363
                 URL: https://issues.apache.org/jira/browse/HADOOP-4363
             Project: Hadoop Core
          Issue Type: Test
    Affects Versions: 0.18.0
         Environment: Processor: Intel Pentium D 2.8 GHz, OS: Fedora 8, GuestOS Fedora 8,
RAM: 2 GB (total), RAM for GuestOS: 512 MB
Hadoop version : 0.18.0
            Reporter: Ashok Varma Penmetsa


Hi,
I have set up a cluster using dom0( a.k.a Host OS ) and one domU ( a.k.a Guest OS ) both are
running on Fedora -8 32-bit .
Para Virtualization used: XEN Version 3.1.0-13

HostOS host name is hadoop10 configured as name-node/job tracker and it will acts as data-node/task
tracker as well in order to spread the data storage and GuestOS name is hadoop11 it is configured
as data-node/task tracker

i'm facing new problem...trying to start HDFS daemons but i'm getting following errors:
1) Permission denied error in line number [3] below
2) hadoop11: no datanode to stop at line number [8]

but i can able to SSH to 
---------------------------------------------------------------------

[hadoop@hadoop10 hadoop-0.18.0]$ bin/start-dfs.sh
[1] starting namenode, logging to /home/hadoop/hadoop-0.18.0/bin/../logs/hadoop-hadoop-namenode-hadoop10.out
[2] hadoop11: starting datanode, logging to /home/hadoop/hadoop-0.18.0/bin/../logs/hadoop-hadoop-datanode-hadoop11.out
[3] hadoop11: /home/hadoop/hadoop-0.18.0/bin/hadoop-daemon.sh: line 118: /tmp/hadoop-hadoop-datanode.pid:
Permission denied
[4] hadoop10: starting datanode, logging to /home/hadoop/hadoop-0.18.0/bin/../logs/hadoop-hadoop-datanode-hadoop10.out
[5] hadoop10: starting secondarynamenode, logging to /home/hadoop/hadoop-0.18.0/bin/../logs/hadoop-hadoop-secondarynamenode-hadoop10.out
[6] [hadoop@hadoop10 hadoop-0.18.0]$ bin/stop-dfs.sh
[7] stopping namenode
[8] hadoop11: no datanode to stop
[9] hadoop10: stopping datanode
[10] hadoop10: stopping secondarynamenode
[11] [hadoop@hadoop10 hadoop-0.18.0]$ ssh hadoop11    ----------- |
[12] Last login: Tue Oct  7 18:07:20 2008 from hadoop10    -----------|---------> I can
able to SSH to slave ( hadoop11 ) from master ( hadoop10)
[13] [hadoop@hadoop11 ~]$                              --------------------------------|

------------------------------------------------------------------------------------------------

Whats going wrong over here??  


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