Hi dpx,
I think you've done it right. This seems to be a known issue resolved in A.09.07_110 patches available for download.
RMC integration is not working with latest 3PAR array
https://softwaresupport.hpe.com/group/softwaresupport/search-result/-/facetsearch/document/KM02354305
Please use the Accept Solution button next to my post and assign a KUDO (thumbs up icon) if this works for you.
Regards,
Sebastian Koehler