Minimum System Requirements
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By default, tripleo-quickstart requires 3 machines:

* 1 Undercloud (can be a Virtual Machine)
* 1 Overcloud Controller
* 1 Overcloud Compute

Commonly, deployments include HA (3 Overcloud Controllers) and multiple Overcloud Compute nodes.

Each Overcloud machine requires at least:

* 1 quad core CPU
* 8 GB free memory
* 60 GB disk space

The undercloud VM or baremetal machine requires:

* 1 quad core CPU
* 16 GB free memory
* 80 GB disk space

