Mounting an NFS shared folder from Synology NAS to Proxmox VE is one of the most common and reliable methods for implementing shared storage in virtualization environments.

This architecture is widely adopted by system administrators to store:

• 💿 Virtual machine disks

• 💾 Proxmox backups

• 📦 ISO images

• 🧱 Container data

By leveraging NFS (Network File System), administrators gain a storage solution that is simple to deploy, stable in operation, and fully compatible with Proxmox VE.

For homelabs, SMB environments, and even small production deployments, NFS remains a practical and efficient storage integration method between NAS and hypervisor.

🚀 Why Use NFS with Proxmox VE?

Proxmox VE natively supports NFS storage, allowing seamless integration with NAS systems such as Synology without additional plugins or complex storage layers.

Key advantages include:

• 🗂️ Centralized shared storage across multiple Proxmox nodes

• ⚙️ Simple configuration and straightforward management

• 📈 Stable performance for virtual machines and containers

• 🔌 Native support inside Proxmox VE web interface

• 💡 Lower complexity compared to iSCSI or distributed storage

For homelab users and small-to-medium virtualization environments, NFS is often preferred due to its balance between performance and simplicity.

🧩 Synology NAS NFS Configuration Overview

Before mounting the NFS share on Proxmox VE, the NFS service must be enabled and properly configured on Synology NAS.

Typically, administrators configure:

• ✅ NFS Service activation in DSM

• 📁 Shared folder creation

• 🔐 Host-based access control

• 🔄 Read/Write permissions for Proxmox nodes

Correct permission mapping is critical. It ensures:

• Secure access between NAS and Proxmox

• Stable mounting behavior

• Proper file ownership and UID/GID handling

Misconfigured permissions can result in access denied errors or unstable VM storage behavior.

🔗 Mounting NFS Share on Proxmox VE

Once the NFS service is correctly configured on Synology NAS, Proxmox VE can mount the shared folder as external storage.

After mounting, administrators can:

• 💿 Store virtual machine disks directly on NAS

• 💾 Centralize backup repositories

• 📦 Store ISO images

• 🔁 Share storage across multiple Proxmox nodes

• 📊 Improve storage scalability without adding local disks

One of the strongest advantages of Proxmox VE is that it manages NFS storage directly through the web interface, eliminating the need for manual mount commands in most standard deployments.

This makes daily storage management easier and more intuitive for system administrators.

🏢 Common Use Cases

Mounting Synology NFS storage to Proxmox VE is suitable for multiple scenarios:

1️⃣ VM and Container Storage

Virtual machine disks and LXC containers can reside on NAS storage, reducing dependency on local disks.

2️⃣ Backup Repository

NFS storage is commonly used as a dedicated backup destination for Proxmox scheduled backups.

3️⃣ ISO Image Library

Centralized ISO storage simplifies OS deployment across multiple nodes.

4️⃣ Homelab and Test Environments

Ideal for learning virtualization, testing clustering, and simulating enterprise storage architectures.

This configuration works well in both educational labs and real-world virtualization infrastructures.

⚠️ Best Practices and Important Notes

Although NFS is simple to deploy, following best practices ensures long-term stability and performance.

✔️ Use a dedicated storage network or VLAN
✔️ Ensure stable and low-latency network connectivity
✔️ Avoid using NFS for latency-sensitive or high-IO workloads
✔️ Regularly monitor NAS resource usage (CPU, RAM, disk I/O)
✔️ Monitor Proxmox storage performance

NFS performance is directly dependent on network stability. A poor network design may introduce latency that impacts VM performance.

For production environments, storage traffic isolation is strongly recommended.

🔎 Architecture Considerations

When designing a Proxmox + Synology NFS setup, consider:

• Network bandwidth (1GbE vs 10GbE)

• RAID configuration on Synology

• Backup retention policies

• Storage growth planning

NFS offers flexibility, but proper infrastructure planning ensures scalability and data reliability.

🎯 Conclusion

Mounting an NFS shared folder from Synology NAS to Proxmox VE is a proven and efficient shared storage solution for virtualization environments.

With proper configuration, this setup provides:

• ✅ Reliability

• ✅ Flexibility

• ✅ Centralized management

• ✅ Easy scalability

Whether you are building a homelab or managing production workloads, integrating Synology NFS storage with Proxmox VE is a practical and widely adopted approach among system administrators.

This is Part 8 (P8) in the Proxmox series, focusing on storage integration between NAS and hypervisor.