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Proxmox VE and Proxmox Backup Server: An In-Depth Overview of Open-Source Virtualization and Data Protection

  • December 12, 2024
  • 15 min read
StarWind Virtual SAN Product Manager. Dmytro is an expert in virtualization and storage systems, specializing in their design, deployment, and optimization.
StarWind Virtual SAN Product Manager. Dmytro is an expert in virtualization and storage systems, specializing in their design, deployment, and optimization.

In a world where businesses are constantly chasing efficiency and trying to cut costs, open-source platforms like Proxmox VE are stealing the spotlight. Why? Because Proxmox delivers a robust, all-in-one solution for virtualization without breaking the bank. With a mix of virtual machines, containers, and built-in backup capabilities, it’s like the Swiss Army knife of IT infrastructure.

In this post, we’ll dive into what makes Proxmox such a game-changer. From virtualization to high availability, backup, and disaster recovery, we’ll explore why this platform is a go-to for managing modern IT environments securely and at scale.

What is Proxmox VE?

Proxmox Virtual Environment (VE) is an open-source platform for managing server virtualization, suited for businesses of any size. It combines two virtualization technologies: KVM (Kernel-based Virtual Machine) for complete virtualization and LXC (Linux Containers) for lightweight, containerized applications. This dual approach enables seamless management of both virtual machines and containers within a unified interface.

  • KVM: Proxmox utilizes KVM for robust, hardware-level virtualization. With KVM, users can create VMs with dedicated resources such as CPU, memory, and storage. KVM is ideal for running full OS instances with complete isolation and resource allocation, making it suitable for environments where security and performance are priorities.
  • LXC: Proxmox leverages LXC containers. Unlike VMs, LXC containers share the Linux kernel with the host, allowing faster startup and lower resource consumption. LXC is perfect for Linux-based applications that need sandboxing without the overhead of a full virtual machine.

In addition to virtualization, Proxmox VE includes built-in high availability, disaster recovery, and flexible storage options, all accessible through a user-friendly web interface.

Key Benefits:

  • Cost-Effective: Open-source and community-supported, Proxmox VE is budget-friendly with optional paid support.
  • Comprehensive Virtualization: Combines KVM for VMs and LXC for containers to meet diverse workload requirements.
  • Flexible Storage Options: Integrates with ZFS, Ceph, and other storage solutions for customizable, scalable configurations.
  • Web-Based Management: Simplifies VM, container, storage, and network management through a web interface.
  • Backup and Recovery: Features built-in high-availability and disaster recovery tools to safeguard data.
  • High Scalability: Supports seamless resource expansion as businesses grow.

Key Features:

  • Server Virtualization: Supports both KVM for full virtualization and LXC for lightweight, container-based virtualization.
  • High Availability Clustering: Provides robust tools for creating HA clusters to ensure service continuity and minimize downtime.
  • Live Migration: Allows seamless migration of VMs and containers between hosts with zero downtime.
  • Integrated Backup Tools: Features built-in, flexible backup solutions for regular VM and container backups, with Proxmox Backup Server integration.
  • Software-Defined Storage: Has out-of-the-box support for Ceph, ZFS, iSCSI, NFS, GlusterFS, and LVM, providing multiple options for scalable, shared storage.
  • REST API: Facilitates automation and integration with other IT tools.

Proxmox Use Cases

Proxmox VE is highly adaptable, serving a wide range of applications and industries. Each scenario can leverage unique Proxmox features for specific benefits.

Educational Institutions

Proxmox’s comprehensive feature set make it a good fit for organizations with limited budgets, like schools and non-profits. Its open-source nature and low total cost of ownership (TCO) provide a powerful yet affordable solution for managing virtualized environments, labs, and teaching resources.

Small and Medium Businesses (SMBs)

Proxmox offers SMBs a reliable, enterprise-grade virtualization platform without the licensing costs of proprietary solutions. It enables businesses to minimize expenses while benefiting from a full-featured suite, including backup, HA clustering, and resource management, making it perfect for companies focused on cost efficiency and high performance.

DevOps and Containerization

With strong support for LXC containers and KVM, Proxmox is a strong choice for DevOps teams that prioritize containerized applications and CI/CD workflows. Its flexible environment supports both virtual machines and containers, allowing for fast deployment, testing, and scaling of applications, ideal for agile development pipelines.

Proxmox Pricing

Here’s the great thing about Proxmox VE: it’s completely open source. You get the full package — no locked features, no “lite” versions, and definitely no hidden paywalls. That means you can set it up and start using it for free right away.

But, if you want access to the ultra-stable Enterprise repository or need some backup from the Proxmox support team, you’ve got a few subscription options to choose from. Let’s break them down:

Community – €110/year

  • Access to the Enterprise repository and full feature set.
  • Community support, ideal for small setups or labs.

Basic – €340/year

  • Access to the Enterprise repository and full feature set.
  • Support via Customer Portal with three support tickets per year.
  • Response time of one business day, suitable for growing businesses needing occasional assistance.

Standard – €510/year

  • Full access to the Enterprise repository and feature set.
  • 10 support tickets annually and a response time of four hours within business hours.
  • Remote support (SSH) and offline subscription key activation make it the popular choice for enterprises.

Premium – €1020/year

  • Full Enterprise repository access and feature set.
  • Unlimited support tickets and a two-hour response time within business hours.
  • Remote support, SSH access, and offline subscription activation make it a comprehensive plan for mission-critical environments.

What is Proxmox Backup Server?

Enhancing Proxmox VE, Proxmox Backup Server (PBS) is an open-source backup solution tailored for efficient, deduplicated, and encrypted backups of virtual machines and containers. Seamlessly integrated with Proxmox VE, it simplifies and optimizes backup and recovery workflows.

Key Benefits:

  • Efficient Data Storage: Minimizes storage requirements and reduces network load through advanced deduplication, saving space and bandwidth by storing only unique data segments.
  • Security: Provides encryption options to protect data even on remote or untrusted storage.
  • Reliability: Maintains data integrity with built-in checks and fast recovery capabilities, allowing organizations to restore critical systems with minimal downtime.
  • Ease of Use: Features an intuitive, web-based interface that simplifies setup, monitoring, and maintenance, making backup management accessible even for teams with limited resources.

Key Features:

  • Flexible Architecture: Supports various backup storage options, including local disks, network storage, and cloud integrations.
  • Quick Restore: Allows fast and reliable recovery, enabling rapid restoration of virtual machines and containers to minimize downtime and support business continuity.
  • Deduplication: Optimizes storage efficiency by identifying and removing duplicate data across backups.
  • Incremental Backups: Saves time and storage by only backing up changed data.

Proxmox Backup Server Use Cases

Proxmox Backup Server offers flexible data protection capabilities tailored to various industries. Here are some key applications:

Data-Centric SMBs and Enterprises

Organizations that need a robust and cost-effective backup solution can rely on Proxmox Backup Server for secure, deduplicated backups of critical virtual machines and containers, ensuring data integrity without stretching their budget.

Managed Service Providers (MSPs)

MSPs that manage multiple client environments benefit from Proxmox Backup Server’s multi-tenant support and efficient storage management through deduplication. It allows MSPs to deliver reliable, incremental backups and quick recovery options across client infrastructures.

Development and Testing Environments

For DevOps teams and developers, Proxmox Backup Server provides fast, frequent snapshots of development VMs or containers. This capability enables easy rollback to a stable state, which is ideal for testing applications or environments without worrying about losing data.

Highly Regulated Industries

Industries that require stringent data protection standards, such as healthcare, finance, and government, can leverage Proxmox Backup Server’s encryption features to meet compliance needs. The platform’s built-in encryption ensures data is protected even when stored on remote or untrusted systems.

Educational Institutions and Research Labs

Universities and research facilities with limited IT budgets but substantial data can use Proxmox Backup Server to safeguard important project files, student records, and research data, all with minimal overhead costs.

Proxmox Backup Server Pricing

Proxmox Backup Server provides various subscription options to meet the needs of organizations at different stages, whether they’re looking for basic support or premium assistance for mission-critical environments.

Community – Starting at €520/year

  • Provides access to the Enterprise repository and full feature set with community support, ideal for small teams or home labs.

Basic – Starting at €1040/year

  • Includes up to five support tickets annually with a one-business-day response time, suitable for businesses requiring occasional assistance.

Standard – Starting at €2080/year

  • Enhanced support with 15 tickets annually and a four-hour response time within business hours, plus remote support and offline key activation.

Premium – Starting at €4160/year

  • Unlimited support tickets with a two-hour response time within business hours, plus advanced support features like SSH remote assistance and offline key activation.

Conclusion

Proxmox VE and Proxmox Backup Server stand out as flexible, open-source solutions that cater to the full spectrum of IT environments, from small businesses to large-scale enterprises. Combining virtualization, high availability, and seamless backup capabilities, Proxmox offers a feature-rich platform that bypasses the high costs and vendor lock-in of proprietary alternatives. Whether you’re building out a home lab, supporting resource-constrained non-profits, or managing intricate enterprise infrastructure, Proxmox provides a scalable, cost-efficient foundation for modern IT demands, empowering organizations to maintain control and efficiency at every level.

Found Dmytro’s article helpful? Looking for a reliable, high-performance, and cost-effective shared storage solution for your production cluster?
Dmytro Malynka
Dmytro Malynka StarWind Virtual SAN Product Manager
We’ve got you covered! StarWind Virtual SAN (VSAN) is specifically designed to provide highly-available shared storage for Hyper-V, vSphere, and KVM clusters. With StarWind VSAN, simplicity is key: utilize the local disks of your hypervisor hosts and create shared HA storage for your VMs. Interested in learning more? Book a short StarWind VSAN demo now and see it in action!