Assign a network device or CIDR for HDFS to run on

[zyluo]

Currently we are using this dirty patch to make HDFS run on our 10Gb network. https://github.com/Intel-bigdata/hdfs/commit/43bbae2fd463434104a25c75eea3a9ddd347d47c

Our servers have a 1Gb management network and a 10Gb data network. Since our master nodes don't have data network access, all slave nodes are registered to the master using their management network IP. Therefore, without our patch, HDFS will run on the management network.

We are trying to make our patch get integrated to the JAVA code for better integration with the system. Is there anyone having the same problem as ours? Thoughts?