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use overlayfs by default for netboot and iso

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This commit is contained in:
Richard Marko
2020-02-05 10:35:59 +01:00
parent eacc771f72
commit 0c20feb231
3 changed files with 26 additions and 15 deletions
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nixos/modules/installer/netboot/netboot.nix
+9 -5
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@@ -50,14 +50,18 @@ with lib;
};
fileSystems."/nix/store" =
{ fsType = "unionfs-fuse";
device = "unionfs";
options = [ "allow_other" "cow" "nonempty" "chroot=/mnt-root" "max_files=32768" "hide_meta_files" "dirs=/nix/.rw-store=rw:/nix/.ro-store=ro" ];
{ fsType = "overlay";
device = "overlay";
options = [
"lowerdir=/nix/.ro-store"
"upperdir=/nix/.rw-store/store"
"workdir=/nix/.rw-store/work"
];
};
boot.initrd.availableKernelModules = [ "squashfs" ];
boot.initrd.availableKernelModules = [ "squashfs" "overlay" ];
boot.initrd.kernelModules = [ "loop" ];
boot.initrd.kernelModules = [ "loop" "overlay" ];
# Closures to be copied to the Nix store, namely the init
# script and the top-level system configuration directory.