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In the manager node we have specified two host names: carbondb.mysql-wso2.com for the MySQL server and and esb.cloud-test.wso2.com for the cluster. We will now map them to the actual IPs. Note that if you created the database on the same server as the manager node, you will have already added the first line, and if you created it on the same server as the ELB, you will have already added the second line.
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In the worker nodes, we have used three hosts names: carbondb.mysql-wso2.com for the MySQL server, elb.wso2.com for the ELB, and mgrmgt.esb.wso2.com for the ESB manager node. We will now map them to the actual IPs.
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