Proxmox with SAN: proven enterprise architecture for your virtualization.
Proxmox virtualization with Fibre Channel SAN and centralized storage.
Proxmox is often associated with ZFS or Ceph — both technologies have clear strengths. Yet many IT environments already run a powerful SAN infrastructure — and there is no need to replace it.
Companies with Fibre Channel, iSCSI or central enterprise storage systems in particular can keep using this infrastructure productively. Proxmox integrates into proven architectures — without unnecessary extra effort and without prematurely abandoning past investments.
When is Proxmox with SAN the right choice?
A hyper-converged architecture with integrated storage — for example based on Ceph — is an excellent solution for many scenarios. However, it is not automatically the best choice for every company.
Proxmox with a separate SAN is particularly worthwhile when …
↳ Practical note
When migrating from existing virtualization platforms, a SAN is often already in place. An attractive option: no renewed investment in storage is required — the existing, proven storage base is simply reused.
- 01 A high-performance SAN infrastructure is already in place
- 02 Storage is to be operated and managed centrally
- 03 Virtualization storage and compute resources are to be scaled separately
- 04 Differently sized Proxmox nodes are to be used in the cluster
- 05 Existing investments in enterprise storage are to be retained
- 06 The SAN is also to provide storage for additional applications
Advantages of a Proxmox architecture with a separate SAN.
01 · Architecture
Clear separation of compute and storage
Proxmox hosts provide compute power while central storage is attached via the SAN. Server and storage resources can be scaled independently of one another — flexibility when CPU, RAM and storage requirements develop at different rates.
02 · Flexibility
Asymmetric Proxmox nodes without trouble
A key advantage over many hyper-converged concepts: the Proxmox nodes do not have to be identically sized. Hosts with different CPU or RAM configurations can be operated together more easily.
03 · Added value
Central storage for more than just virtualization
A SAN can also provide storage for further enterprise applications: backup infrastructures, SAP systems, databases, file services, archiving. This keeps the SAN a central platform in the data center.
04 · Investment protection
Keep using proven enterprise technology
Over the years, many companies have invested in highly available SAN systems, Fibre Channel fabrics, multipathing, monitoring and storage processes. With the right planning, Proxmox integrates into existing SAN architectures — cleanly and in line with your standards.
Enterprise storage in production data centers — cleanly integrated.
Proxmox with Fibre Channel SAN: what matters?
The key to successful operation is the clean attachment of the Proxmox hosts to the central SAN.
Proxmox is based on Debian Linux. For SAN connectivity it is therefore decisive which drivers and tools are provided by the vendor or the Linux community.
From our project experience we know the relevant pitfalls and which storage systems and HBA generations work reliably in practice.
— m.a.x. it Engineering
- 01 Suitable host bus adapters and driver support under Debian Linux
- 02 Correct zoning in the Fibre Channel fabric
- 03 Consistent LUN provisioning for all relevant cluster nodes
- 04 Reliable multipathing
- 05 Clean storage configuration in Proxmox
- 06 Coordinated operations and monitoring processes
SAN, Ceph or ZFS: the best architecture depends on the company.
Smaller installations, single hosts or manageable clusters with local storage. Fast snapshots & replication.
- Local pools per host
- Simple replication
- Low overhead
Strong for larger, distributed and hyper-converged environments with integrated storage. Grows by adding nodes.
- Distributed storage
- Hyper-converged
- Scale-out architecture
Excels wherever central enterprise storage systems already exist, are to be retained, or a clear separation of compute and storage is desired.
- Fibre Channel / iSCSI
- Compute & storage separated
- HA storage
- Investment protection
Which solution is optimal depends on many factors:
m.a.x. it assesses these factors together with you and recommends not the most technologically “modern” solution, but the one that makes the most sense for your company.
- Existing infrastructure
- Performance requirements
- High-availability concept
- Scaling needs
- Backup and restore strategy
- Operating model
- Investment protection
- Know-how in the IT team
Migration to Proxmox with an existing SAN infrastructure.
Engineering & Migration
The entire path to a production-ready platform.
We have already successfully migrated many customers from existing virtualization platforms to Proxmox — including with SAN-based architectures.
We consider not just the technical installation, but the entire path to a production-ready platform — from storage assessment through architecture and failover planning to handover to your IT team.
- 01
Analysis
of the existing virtualization and storage environment
- 02
Storage assessment
of the existing SAN components
- 03
Architecture design
for the Proxmox cluster and storage connectivity
- 04
HA planning
high availability and failover behavior
- 05
Installation
rollout of the Proxmox installation
- 06
Integration
into backup, monitoring and operations
- 07
VM migration
of existing virtual machines
- 08
Handover
documentation and handover to your IT team
Our goal: a Proxmox environment that not only works technically, but can be operated stably, maintainably and economically in day-to-day use.
Neutral advice. Reliable implementation. Targeted investment.
As an experienced IT system house and Proxmox partner, we take a holistic view of your infrastructure. We advise neutrally on whether ZFS, Ceph, SAN or a combination best suits your requirements.
Experience from numerous Proxmox migration projects
Hands-on knowledge of SAN, Ceph and ZFS architectures
Neutral advice instead of blanket technology recommendations
Reliable integration of existing storage infrastructures
Support with planning, implementation, migration and operations
A single point of contact for virtualization, Linux, backup, networking and security
Proxmox with SAN — answered concisely.
01 Do I necessarily need Ceph or ZFS for Proxmox?
No. Proxmox can also be operated cleanly with classic SAN storage (Fibre Channel, iSCSI). If enterprise storage is already in place, it does not need to be replaced.
02 Can our existing SAN infrastructure be reused?
As a rule, yes. The prerequisite is the clean attachment of the Proxmox hosts to the SAN — see the “What matters” section.
03 Can we combine SAN, Ceph and ZFS in the same environment?
Yes. A combination is possible when different workloads have different requirements. However, we only recommend a mixed setup when it does not disproportionately increase operational effort.
04 How long does a typical migration to Proxmox take?
It strongly depends on the size of the environment, the number of VMs and the storage layout. We give a reliable timeline only after the analysis — in an initial conversation we clarify the scope.
05 Are existing backup and monitoring solutions retained?
In most cases, yes. We integrate Proxmox into existing backup, monitoring and operating processes — replacing them only makes sense if the current solution does not support Proxmox.
↳ Related topics
Further Proxmox architectures compared.
Besides SAN, we also advise on hyper-converged and local Proxmox setups — depending on your environment and strategy.
Planning Proxmox with SAN?
Would you like to deploy Proxmox and keep using your existing SAN infrastructure? Or do you want to know whether SAN, Ceph or ZFS is the best choice for your environment? Feel free to get in touch. We analyze your starting point and develop the right Proxmox architecture with you — powerful, economical and future-proof.
- Response within
- 24h on business days
- No obligation
- Initial consultation free
- Location
- Munich & remote