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Vagrant's default synced folder is slow for file-heavy work. Compare NFS, rsync, SMB, and VirtualBox shared folders by host OS, sync direction, and performance — then configure and verify NFS.
Learn how to enable Vagrant NFS synced folders for faster host‑guest file synchronization, with a sample Vagrantfile, performance notes, and pitfalls to avoid.
Goal: Ensure that Vagrant notifies users when the automatically selected synced folder implementation cannot be used because required host‑side dependencies (e.g., NFS client, SMB services) are absent, causing a silent fallback to VirtualBox shared folders and potential performance loss. Constraints: Vagrant’s built‑in selection chooses NFS on macOS/Linux, S
Context A development team uses Vagrant with VirtualBox across macOS, Linux, and Windows hosts. The project involves a codebase with many small files where I/O latency directly affects test suite runtime. VirtualBox shared folders work everywhere without extra setup but exhibit high latency on large directory trees. NFS delivers lower latency on Unix-like ho
Goal To understand how the default synced‑folder type in Vagrant 2.x changes when switching providers and what explicit configuration is required to maintain consistent behavior. Constraints Vagrantfile must use config version 2 – mixing version 1 and 2 is unsupported. Different providers (VirtualBox, NFS, SMB, rsync) apply distinct default sync mechanisms.
Goal Ensure a stable synced folder for a Vagrant VM running on a Windows host, using NFS for performance while avoiding silent mount failures. Constraints NFS provisioner on Windows may silently fail when the Windows NFS client or firewall is misconfigured. Vagrant documentation does not specify a fallback to VirtualBox shared folders when NFS fails. Mount a