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From lohit <lohit.vijayar...@gmail.com>
Subject Re: Adding new disks to an Hadoop Cluster
Date Tue, 10 May 2011 06:22:08 GMT
Yes, you have to bounce datanode so that it can start using the disk. Also
note that you have to tell datanode to use this disk via dfs.data.dir config
parameter in hdfs-site.xml. Same with tasktracker, if you want tasktracker
to use this disk for its temp output, you have to tell it via
mapred-site.xml

2011/5/9 Pete Haidinyak <javamann@cox.net>

> Hi all,
>   When you add a disk to a Hadoop data node do you have to bounce the node
> (restart mapreduce and dfs) before Hadoop can use the new disk?
>
> Thanks
>
> -Pete
>
>


-- 
Have a Nice Day!
Lohit

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