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{
disko.devices = {
disk = {
main = {
type = "disk";
device = "/dev/nvme0n1";
content = {
type = "gpt";
partitions.ESP = {
priority = 1;
name = "ESP";
start = "1M";
end = "512M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
partitions.root = {
size = "100%";
content = {
type = "btrfs";
extraArgs = [ "-f" ];
subvolumes = {
"/root" = {
mountpoint = "/";
mountOptions = [
"subvol=root"
"compress=zstd"
"noatime"
];
};
"/home" = {
mountpoint = "/home";
mountOptions = [
"subvol=home"
"compress=zstd"
"noatime"
];
};
"/nix" = {
mountpoint = "/nix";
mountOptions = [
"subvol=nix"
"compress=zstd"
"noatime"
];
};
"/nix/persist" = {
mountpoint = "/nix/persist";
mountOptions = [
"subvol=persist"
"compress=zstd"
"noatime"
];
};
};
};
};
};
};
draupner0 = {
type = "disk";
device = "/dev/disk/by-id/ata-ST8000VN004-3CP101_WWZ9VLCZ";
content = {
type = "zfs";
pool = "draupner";
};
};
};
zpool.draupner = {
type = "zpool";
rootFsOptions = {
# I _think_ that this makes some zfs thingie not mount the pool, but systemd still mounts
# it. Before this, mounting failed with "mountpoint or dataset busy", possibly because both
# zfs and systemd tried to mount it.
canmount = "off";
compression = "lz4";
atime = "off";
acltype = "posixacl";
};
options.ashift = "12";
datasets.draupner = {
type = "zfs_fs";
mountpoint = "/media/draupner";
};
};
};
fileSystems."/nix/persist".neededForBoot = true;
}
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