Describe the issue:
Customer could not deploy ODF on IBM Z due to the customer being unaware that they needed to create a full partition of the disk.

Describe the task you were trying to accomplish:
Deploy ODF on IBM Z

Suggestions for improvement:
Document how to enable, format, and partition the device (this information is specific for DASD devices).

Document URL:
https://access.redhat.com/documentation/en-us/red_hat_openshift_data_foundation/4.10/html/deploying_openshift_data_foundation_using_ibm_z_infrastructure/index

Chapter/Section Number and Title:
Deploying OpenShift Data Foundation using IBM Z infrastructure

Product Version:
4.10

Environment Details:
IBM Z

Any other versions of this document that also needs this update:
4.11

Additional information:
Enable, format, and partition instructions can be taken from the following document: "Red Hat OpenShift Data Foundation on IBM Z and IBM LinuxONE - Reference Architecture"

https://www.ibm.com/docs/en/linux-on-systems?topic=architecture-storage

Section 4.1.2 Steps specific for DASD devices (page 33 in PDF)
Steps 1, 2, 3 (enable, format, and partition the device)