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dotfiles/hosts/neogaia/disk.nix
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2026-07-24 16:17:09 -04:00

64 lines
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Nix

{ ... }:
# neogaia's disk layout for disko: one NVMe disk, GPT, with an EFI system
# partition and a LUKS container holding btrfs subvolumes.
# No swap partition, since swap is zram.
# disko derives `fileSystems` and `boot.initrd.luks.devices` from this.
{
disko.devices.disk.main = {
type = "disk";
device = "/dev/nvme0n1";
content = {
type = "gpt";
partitions = {
ESP = {
# Each generation stores a kernel and initrd here and the CachyOS kernel is large.
# An exhausted partition fails bootloader installs.
size = "2G";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
luks = {
size = "100%";
content = {
type = "luks";
name = "cryptroot";
settings.allowDiscards = true;
content = {
type = "btrfs";
extraArgs = [ "-f" ];
subvolumes = {
"@root" = {
mountpoint = "/";
mountOptions = [
"compress=zstd"
"noatime"
];
};
"@home" = {
mountpoint = "/home";
mountOptions = [
"compress=zstd"
"noatime"
];
};
"@nix" = {
mountpoint = "/nix";
mountOptions = [
"compress=zstd"
"noatime"
];
};
};
};
};
};
};
};
};
}