Datanode not starting

[Tim St Clair]

You may need to format 1st: 
http://timothysc.github.io/blog/2013/09/14/hadoop-mapreduce/


----- Original Message -----
> From: "M. Edward (Ed) Borasky" <znmeb at znmeb.net>
> To: bigdata at lists.fedoraproject.org
> Sent: Wednesday, December 18, 2013 7:01:46 PM
> Subject: Datanode not starting
> 
> I've got a Fedora 20 system - just fresh installed and updated. I
> built a script following the instructions on the wiki:
> 
> https://fedoraproject.org/wiki/Changes/Hadoop#How_To_Test
> 
> The datanode is not starting:
> 
> $ sudo systemctl start hadoop-namenode hadoop-datanode
> hadoop-nodemanager hadoop-resourcemanager
> Job for hadoop-datanode.service failed. See 'systemctl status
> hadoop-datanode.service' and 'journalctl -xn' for details.
> $ systemctl status -l hadoop-datanode.service
> hadoop-datanode.service - The Hadoop datanode daemon
>    Loaded: loaded (/usr/lib/systemd/system/hadoop-datanode.service; enabled)
>    Active: failed (Result: exit-code) since Wed 2013-12-18 16:34:51
> PST; 9min ago
>   Process: 1358 ExecStop=/usr/sbin/hadoop-daemon.sh stop datanode
> (code=exited, status=0/SUCCESS)
>   Process: 4240 ExecStart=/usr/sbin/hadoop-daemon.sh start datanode
> (code=exited, status=1/FAILURE)
>  Main PID: 1205 (code=exited, status=1/FAILURE)
> 
> Dec 18 16:34:47 DreamCatcher hadoop-daemon.sh[4240]: starting
> datanode, logging to
> /var/log/hadoop-hdfs/hadoop-hdfs-datanode-DreamCatcher.out
> Dec 18 16:34:51 DreamCatcher systemd[1]: hadoop-datanode.service:
> control process exited, code=exited status=1
> Dec 18 16:34:51 DreamCatcher systemd[1]: Failed to start The Hadoop
> datanode daemon.
> Dec 18 16:34:51 DreamCatcher systemd[1]: Unit hadoop-datanode.service
> entered failed state.
> 
> 
> 
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-- 
Cheers,
Tim