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Need help for hadoop
Hi  Everyone
I have met two issues when changing the configuration for hadoop

1.When I execute the start-all.sh, it shows some errors but it won't affect
the cluster

[image: 内嵌图片 1]

Does anyone know what happened?missing some jars ?

2.When I need to change the setting of data.dfs.dir in hdfs-site.xml to add
aonther volume (mounted on /sda)of my disk
I fonud I can't start dfs, when I checking the datanode, there is no
datanode running

Could anyone know how to make the change works after I change the
hdfs-site.xml on datanode,the details would be better

>From Good To Great
shashwat shriparv 2013-04-23, 15:12
Geelong Yao 2013-04-23, 15:44