Hi,
I assume you have seen the page-24 of this Guide. Could you let us know which part seems confusing? We are also on 4.1.1 (similar setup) and we will be migrating as well, but documents seems to cover most info.
SnapCenter Plug-in for VMware vSphere 4.3: [Page:24, steps 1 to 4, for the 4th step see the other guide mentioned below]
https://library.netapp.com/ecm/ecm_download_file/ECMLP2863451
Migrating to the Linux-based SnapCenter Plug-in for VMware vSphere:[Page:80 onwards for step 4]
https://library.netapp.com/ecm/ecm_download_file/ECMLP2863452
Thanks!