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From "Brian C. Huffman" <bhuff...@etinternational.com>
Subject HDFS - Consolidate 2 small volumes into 1 large volume
Date Tue, 21 Oct 2014 13:57:59 GMT

Is it possible to consolidate two small data volumes (500GB each) into a 
larger data volume (3TB)?

I'm thinking that as long as the block file names and metadata are 
unique, then I should be able to shut down the datanode and use 
something like tar or rsync to copy the contents of each small volume to 
the large volume.  Will that work?


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