We utilize the included Backup/Recovery stuff in VSC 6.2.1 with no SnapCenter integration. We are not using VASA but are using SRA 4.0 for SRM under the same vCenter.
Thanks for the links. I have also found https://community.netapp.com/t5/VMware-Solutions-Discussions/Upgrade-VSC-from-VSC-6-2-to-VSC-7-0-Retain-backup-policy/m-p/137294/highlight/true#M9163 which seems like it might be worth following?
Does this import tool work to go straight to SnapCenter 4.0?