Which protocol is best for NAS shares to Proxmox: NFS or SMB?

The choice between NFS and SMB for NAS shares to Proxmox depends on several factors including performance requirements, security needs, and compatibility. NFS is generally preferred for Linux-based environments due to its native support and performance. SMB, on the other hand, is more commonly used in Windows environments. For Proxmox, which is based on Linux, NFS might be a more straightforward choice, but SMB can also be used if necessary. Consider factors like file locking, permissions, and network configuration when making your decision.