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disk setup - partitions on the same device?

Question asked by jsumali on Sep 17, 2012
Latest reply on Sep 17, 2012 by jason

According to, it states as part of the requirements:

"Storage — At least three unmounted physical drives or partitions per node for use by MapR storage. In a production environment, each node is likely to have at least 12 physical disks."

When setting up a cluster where one server has one physical disk, is there any benefit from using this configuration:

(raw device)



Will MapR duplicate blocks across different partitions but the same device, or is it smart enough to  reliably distribute the data across to other servers?