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From Oded Rosen <o...@legolas-media.com>
Subject Adding hard-disks to an existing HDFS cluster
Date Sun, 28 Feb 2010 21:45:22 GMT
We have an existing HDFS cluster with several datanodes, and we want to add
each of the datanodes another hard-disk, as an addition to the existing
ones.
Is there a way of doing this without formatting the cluster? Our aim is to
save all the data where it is, add and configure the new disks, perform a
balance - with no format whatsoever.
Is it possible? if so, how?

Any kind of help will be welcomed.
Thanks,

-- 
Oded

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