ORPOS Hardware using 10 stores on single Physical server

Dear Group,

We are planing to implement ORSS in our stores, where we are planing to use single physical
Server with 180 GB RAM, 2 TB HDD and using virtulization instance of ORBO/ORPOS server for 10 Stores
on this server.

We seeking the advise from the group if any one has done this kind of implementation for any retailer in the world .

We are looking for the following information:
Hardware Requirement:
Specific hardware configuration which can be used running multiple Oracle Retail Back Office
instances on single physical server.
What is the CPU requirement
Memory requirements
Disk size

Thanks in advance.