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Hadoop vs Gluster for cluster replicaiton

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http://serverfault.com – Does the current version of Hadoop support any kind of built in cluster to cluster replication? or is it all an manual process? Does Hadoop support any kind of master-slave replication like Gluster's Geo-Replication? Background: I am currently evaluating different storage solutions for multiple datacenters. I have two datacenters and I want to run separate clusters in each. I want to be able to do Master-Slave replication between the two datacenters. For example: My production environment is in NYC and I have a DR facility in Las Angeles. I have two clusters, one in NYC and one in (HowTos)