Backup Systems for Physical & Virtual Servers

Protecting company data is fundamental for any organization: data is the lifeblood of the business, and losing it can have serious operational and financial consequences. That's why you need a reliable backup system, capable of keeping operations running even after a hardware failure, human error or ransomware attack.

In this article we compare three solutions actually used in production environments — Acronis Cyber Protect Cloud, Veeam Backup & Replication and Proxmox Backup Server — and look at how to set up a correct backup rotation across physical devices.

Acronis Cyber Protect Cloud

Acronis offers a cloud backup solution designed to be manageable even without a structured in-house IT department. Backing up workstations, physical servers and virtual machines is configurable in a few steps, with automatic scheduling and access to data from any internet-connected device.

Acronis's main features include:

• Automatic backup: scheduling is handled by the platform, so there's no need to manually run backups of physical or virtual systems.
• Access from any device: the cloud console is reachable from any connected workstation, useful for managing multiple sites.
• Centralized management: all managed clients' backups are visible and manageable from a single interface.
• Built-in anti-ransomware protection: Acronis includes a behavioural detection engine (Acronis Active Protection) alongside pure backup.

Veeam Backup & Replication

Veeam is the reference standard for backing up enterprise-grade virtualized environments (VMware, Hyper-V) and for scenarios that demand very fast recovery times. It offers scheduled replication of virtual machines, not just backup copies: if the primary server fails, an already-ready replica can be started within minutes.

Veeam's main features include:

• Virtual machine replication: alongside backup, it keeps a "warm" copy of each VM ready to boot in a disaster-recovery scenario.
• Centralized multi-hypervisor management: a single console for VMware and Hyper-V environments, even across multiple sites.
• Native integration with the virtualization stack: it plugs directly into VMware/Hyper-V APIs for image-level backup, with no agent required on every single VM.

Proxmox Backup Server

Proxmox Backup Server is the native solution for anyone running Proxmox VE as their virtualization platform: it integrates directly with the hypervisor, requires no additional licensing, and is a common choice for teams looking for an open-source alternative to Veeam on Proxmox infrastructure.

Proxmox Backup Server's main features include:

• Block-level incremental backup: after the first full backup, subsequent runs transfer only the changed blocks, cutting both time and storage used.
• Built-in deduplication and compression: for the same amount of protected data, it uses less storage than repeated full backups.
• Centralized web-based management: scheduling, verification and restore of backups from a single interface, consistent with the Proxmox VE console.

Backup rotation on physical devices

Rotation of backups across physical devices is the process that keeps data available even if one or more media fail or are lost. Some best practices, in line with the 3-2-1 rule (3 copies of your data, on 2 different media, with 1 copy stored off-site):

• Tape as long-term archival media: high capacity, low cost per GB, and good durability over time if stored properly.
• External drives or NAS for faster day-to-day rotation, suited to frequent restores of individual files or folders.
• Multiple copies on different media, with at least one copy kept off-site (or in the cloud) to survive scenarios such as fire, flooding or theft at the main location.