1. Proposed title of this feature request

• Allow IPI installation define extra disks for etcd in control plane servers

2. Who is the customer behind the request?

3. What is the nature and description of the request?

• In OpenShift 3.11 the recommendation for control plane was to use SSD disk for etcd data
• There's no way to get this done in IPI and doing it in UPI makes lose some features like auto-scaling, even in cloud environments

4. Why does the customer need this? (List the business requirements here)

• The customer is trying to deploy OpenShift 4 in OCS and would like to add an extra disk to control plane nodes using IPI installation

7. Is there already an existing RFE upstream or in Red Hat Bugzilla?

• No

8. Does the customer have any specific timeline dependencies and which release would they like to target (i.e. RHEL5, RHEL6)?

• No

9. Is the sales team involved in this request and do they have any additional input?

• No

10. List any affected packages or components.

• Installer

11. Would the customer be able to assist in testing this functionality if implemented?

• Yes