I am trying to start up a cluster and in the datanode log on the
NameNode server I get the error:
2013-04-29 15:50:20,988 INFO
org.apache.hadoop.hdfs.server.common.Storage: Lock on
/data/hadoop/dfs/data/in_use.lock acquired by nodename 1406@devUbuntu05
2013-04-29 15:50:20,990 FATAL
Hello Kevin,
Have you reformatted the NN(unsuccessfully)?Was your NN serving
some other cluster earlier or your DNs were part of some other
cluster?Datanodes bind themselves to namenode through namespaceID and in
your case the IDs of DNs and NN seem to be different. As a workaround you
Thank you the HDFS system seems to be up. Now I am having a problem with
getting the JobTracker and TaskTracker up. According to the logs on the
JobTracker mapred doesn't have write permission to /. I am not clear on what
the permissions should be.
Anyway, thank you.
On Apr 29, 2013, at 4:30
make it 755.
Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Tue, Apr 30, 2013 at 3:30 AM, Kevin Burton rkevinbur...@charter.netwrote:
Thank you the HDFS system seems to be up. Now I am having a problem with
getting the JobTracker and TaskTracker up. According to the
It is '/'?
On Apr 29, 2013, at 5:09 PM, Mohammad Tariq donta...@gmail.com wrote:
make it 755.
Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Tue, Apr 30, 2013 at 3:30 AM, Kevin Burton rkevinbur...@charter.net
wrote:
Thank you the HDFS system seems to be up.
