---
hosts:
  - hostname: <Rosetta/Oracle-Server Hostname>
    ip_address: <IP Address>
    gateway: <Gateway IP Address>
    netmask: <Network Subnet Mask>
  - hostname: <Rosetta/Oracle-Server Hostname>
    ip_address: <IP Address>
    gateway: <Gateway IP Address>
    netmask: <Network Subnet Mask>
  - ...