Description of problem (please be detailed as possible and provide log
snippests):

In the current documentation it's stated:

"Select Add Capacity from the options menu:
From this dialog, you can set the requested additional capacity and the storage class. The size should always be set in multiples of 2 Ti."

In 4.3 it will no longer be possible.
Add capacity will show the value used in the installation and will allow to add capacity only in this increment.


Version of all relevant components (if applicable):


Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
The user will be frustrated if the implementation doesn't offer the options promised in the documentation


Is there any workaround available to the best of your knowledge?
no


Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?

2


Additional info:

Current documentation on cluster expansion:
https://access.redhat.com/documentation/en-us/red_hat_openshift_container_storage/4.2/html/managing_openshift_container_storage/managing-storage-nodes_rhocs#adding-capacity-to-your-openshift-container-storage-nodes_rhocs

Latest version of requirements:
https://docs.google.com/document/d/1HBwzR57Qvqhu8lFqoEYgMAhSK-cj2y1clHcfEC9CUO0/edit#