Introduction
As businesses move away from expensive proprietary virtualization platforms, open-source private cloud solutions are becoming the new standard. At OpsNexus, we’ve deployed and managed large-scale production environments where Proxmox VE combined with Ceph storage delivers enterprise-grade performance, resilience, and cost efficiency.
This article explains why this stack works so well—and when it’s the right choice.
What Is Proxmox VE?
Proxmox VE is an open-source virtualization platform that combines:
- KVM for virtual machines
- LXC for lightweight containers
- Built-in clustering and high availability
Unlike traditional hypervisors, Proxmox provides advanced features out of the box without expensive licensing.
Why Ceph for Storage?
Ceph is a distributed storage system designed for:
- High availability (no single point of failure)
- Horizontal scalability
- Self-healing data replication
When integrated with Proxmox, Ceph allows VMs to run seamlessly across nodes—even during hardware failures.
Key Benefits of Proxmox + Ceph
- True High Availability: VM migration without downtime
- Scalability: Add nodes and disks without redesign
- Cost Control: No per-core or per-host licensing
- Flexibility: Works on on-prem, colocation, and hybrid cloud
When This Stack Makes Sense
- Private cloud deployments
- MSP platforms
- SaaS workloads
- GPU or high-IO workloads
- Multi-datacenter architectures
How OpsNexus Helps
At OpsNexus, we design, deploy, and maintain production-grade Proxmox + Ceph clusters—including network isolation, backup strategies, monitoring, and disaster recovery planning.
Thinking about migrating or building from scratch?
We can help you architect it the right way from day one.