Created attachment 1969455 [details]
Add capacity UI error

Description of problem (please be detailed as possible and provide log
snippests):
[Stretch cluster] UI - Add capacity failure should carry proper error message
i.e. If the odf does not have enough storage capacity in stretch mode lso cluster.. Adding capacity fails with message "An error occured"

version of all relevant components (if applicable):
OCP 4.13.0-0.nightly-2023-06-05-212836
ODF 4.13.0-207


Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
NA

Is there any workaround available to the best of your knowledge?
NA

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

Can this issue reproducible?
Yes

Can this issue reproduce from the UI?
Yes

If this is a regression, please provide more details to justify this:
NA

Steps to Reproduce:
1. Install ocp cluster 
2. Add disk in vsphere and install local storage operator
3. Install ODf and Create storage system using local storage and stretch mode enabled
4. Through openshift UI try to Add capacity
5. If the available capacity is less than required capacity. Proper error messgae is not required


Actual results:
While adding capacity if the available capacity is less than required capacity. Proper error messgae is not displayed


Expected results:
Proper error message should be displayed along with the reason for error

Additional info:
Refer attachment Add capacity UI error: Here for 4 osd we require 400GB but since only 240GB is available, adding capacity fails. But the error messgae displayed does not specify the reason of failure