Can I take backups of my Baremetal Server?

Yes. You can take backups of your server by using Backup menu.

Please refer to following links for details of Backup menu.

Service Descriptions : https://ecl.ntt.com/en/documents/service-descriptions/backup/backup.html

Tutorials: https://ecl.ntt.com/en/documents/tutorials/rsts/Backup/index.html