H3C Backup & Restore
To get your VMs on H3C UIS/CAS backed up, you'll have to install a lightweight backup plugin on each of your H3C hosts, and connect the H3C virtual paltform to Vinchin Backup & Recovery, then you'll be able to perform VM backup and restore.
Please refer to the below articles for step-by-step instructions of how to get H3C VMs protected.