To perform incremental backups in Proxmox, you must use Proxmox Backup Server (PBS)
Unlike traditional backup software that requires periodic full backups (e.g., weekly full + daily incremental), PBS uses principles. You never need a second full backup. The chunks are stored once. If a chunk hasn't changed since last year, it is never re-uploaded. proxmox incremental backup
Let's move from theory to practice. You will need two servers (or VMs): To perform incremental backups in Proxmox, you must