Creating cluster with different MAKE server

   HI All, Am new to this form, and need you help in creating a new cluster from 2 servers which are of different make & have different configurations

Server 1

Acer altos g540

Which is having dual Socket CPU

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Server 2

Dell poweredge T320

Which is having single socket CPU

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What would be best practice in creating a HA enabled cluster. which EVC option should i need to chose while creating cluster.

Thanks

Sharath Shashidhar