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| [https://virtio-fs.gitlab.io/ VirtioFS] is a filesystem that allows mounting host path inside a VM with minimal performance overhead.
| | #REDIRECT [[Libvirt#File_sharing_via_virtiofs_mount]] |
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| == Host Setup ==
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| In order to use VirtioFS NixOS needs virtiofsd package:
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| virtualisation.libvirtd.qemu.vhostUserPackages = [ pkgs.virtiofsd ];
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| == VM Setup ==
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| VirtioFS directories can be mounted directly in NixOS via the standard fileSystems option.
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| Assuming you setup a VirtioFS called VMShare in your VM manager, like [[libvirt]], you can mount it by adding the following inside your VM.
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| fileSystems."/mnt/VMShare" = {
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| device = "VMShare";
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| fsType = "virtiofs";
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| options = [
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| "nofail"
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| "x-systemd.automount"
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| ];
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| };
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