Description of problem:
Cluster validation failures pop up when trying to install OCS cluster, that has all minimal required resources:
"Insufficient resource to deploy OCS in Standard Mode. OCS requires a minimum of 3 hosts with one non-bootable disk on each host of size at least 25GB"

See attached example

Version-Release number of selected component (if applicable):
v1.0.23.2

How reproducible:
100%

Steps to Reproduce:
1. boot 3 master 3 worker nodes. each worker should have 120GB disk for OCP and 25GB disk for OCS

Actual results:
Cluster is insufficient

Expected results:
Cluster is Ready

Additional info: