What's the ownership and permissions on /usr/hadoop/tmp/dfs/data? If I
recall correctly, I believe it should be hdfs:hadoop, where the owner has
full permissions and the group can read and execute. Does /var/log for the
datanode show any errors?
On Tue, Apr 23, 2013 at 7:17 PM, Geelong Yao <[EMAIL PROTECTED]> wrote:
> Sorry to interrupt you.But nobody answer my question in Hadoop maillist.
> I have met a issue after I change the content of hdfs-site.xml to add
> another dfs.data.dir in my cluster. /usr/hadoop/tmp/dfs/data is the default
> value, /sda is the new one
> The permission of /sda has been changed.
> [image: 内嵌图片 1]
> First I stop the cluster with stop-all.sh and replace the old
> hdfs-site.xml with new ones,then I restart the cluster with
> start-all.sh,but I found that datanode did not start
> From Good To Great